US Pat. No. 9,482,656

DIAMINE-BASED OIL MARKER COMPOSITIONS AND METHOD OF IDENTIFYING OIL PRODUCT USING THE SAME

SK Innovation Co., Ltd., ...

1. An oil marker composition comprising a diamine-based compound represented by the following Chemical Formulae (2) or (3),
and generating a color reaction by ninhydrin:

(In Chemical Formula (2),
R1 to R4 are each independently substituted or unsubstituted (C1-C12)alkyl, or hydrogen;
n is an integer of 1 to 8,
and in Chemical Formula (3),
R1 to R4 are each independently hydrogen, substituted or unsubstituted (C1-C12)alkyl, or (C6-C20)aryl;
R5 to R8 are each independently hydrogen, halogen, (C1-C12)alkyl, (C6-C20)aryl, carboxyl (C?(O)OH), amino, cyano, nitro, or
hydroxyl;

R5 to R8 are each independently bonded to each other to form an aromatic ring, a carbon atom of the aromatic ring being substituted
with any one or more hetero atoms selected from N, S, and O; and

R1 to R4 are each independently bonded to any one selected from R5 to R8 to form an aliphatic ring, the aliphatic ring being
further substituted with one or more substituents selected from halogen, (C1-C10)alkyl, carboxyl (C?(O)OH), cyano, nitro,
and hydroxyl).

US Pat. No. 9,499,753

GASIFICATION PROCESS AND SYSTEM USING DRYER INTEGRATED WITH WATER-GAS SHIFT CATALYST

SK INNOVATION CO., LTD., ...

1. A gasification method, comprising the steps of:
a) supplying a water-containing carbonaceous feedstock into a dryer integrated with a water-gas-shift reaction catalyst;
b) drying the water-containing carbonaceous feedstock in the dryer to produce a steam while performing a water-gas-shift reaction
using the steam as a reactant;

c) solid-gas-separating the dried carbonaceous feedstock and the water-gas-shift reaction product;
d) gasifying the dried carbonaceous feedstock in the presence of a gasifying agent to obtain a gasification product; and
e) recycling at least a part of the gasification product into the dryer in the step b) to provide an energy source for drying
the water-containing carbonaceous feedstock.

US Pat. No. 9,478,786

HIGH-VOLTAGE BATTERY WITH INTEGRATED CELL CONNECTOR

SK INNOVATION CO., LTD., ...

1. A high-voltage battery, comprising:
a plurality of cells, each cell having a plate shape and electrodes protruding upwards;
a plurality of support members each interposed between two adjacent cells to support the cells, each of the support members
being made of an electrical insulation material;

a plurality of lower connection members each provided on top of each of the support members, the lower connection member having
protrusions made of an electrical conduction material, the protrusions protruding upwards with respect to the cells and in
contact with the electrodes of the cells, wherein the cells and the support members having the lower connection members stack
alternately and form a cell assembly;

a housing into which the cell assembly is inserted;
an integrated connector installed on the lower connection members of the support members so as to mechanically and electrically
connect the cells to each other, wherein the integrated connector includes: a connection block made of an electrical insulation
material and having a planar shape; a plurality of upper connection members formed in the connection block and made of an
electrical conduction material, each of the upper connection members being positioned at and electrically in contact with
each corresponding lower connection member; and a signal wire made of an electrical conduction material and connected to each
of the upper connection members; and

a BMS (battery management system) electrically connected to the integrated connector through the electrical wire, the BMS
electrically controlling the cells.

US Pat. No. 9,090,522

METHOD AND APPARATUS FOR RECOVERING ETHYLENE FROM FLUIDIZED CATALYTIC CRACKING (FCC) OFF-GAS

KOREA INSTITUTE OF ENERGY...

1. A method for recovering ethylene from off-gas of a process for fluidized catalytic cracking (FCC) of a heavy oil fraction,
the method comprising the processes of:
concentrating C2+ components of the FCC off-gas using a pressure swing adsorption process to obtain a C2+ rich mixed gas;
and introducing the C2+ rich mixed gas into a displacement desorption process to recover high-concentration ethylene from
the mixed gas.

US Pat. No. 9,513,555

METHOD FOR MANUFACTURING A SUSPENDED SINGLE CARBON NANOWIRE AND PILED NANO-ELECTRODE PAIRS

SK INNOVATION CO., LTD., ...

1. A method for manufacturing a suspended single carbon nanowire comprising:
(a) depositing an insulation layer on a substrate;
(b) coating a photoresist on the insulation layer;
(c) forming photoresist post parts on an upper portion of the insulation layer by primarily exposing the photoresist through
a photomask having a post shape;

(d) forming a micro photoresist wire connecting the photoresist post parts to each other by secondarily exposing an upper
portion of the photoresist between the photoresist post parts in a shape of a micro-sized wire connecting the photoresist
post parts through a photomask having a wire shape;

(e) removing the photoresist of a remaining portion except for portions exposed in steps (c) and (d) by performing a development
process; and

(f) creating a vacuum condition, and forming the suspended single carbon nanowire by pyrolyzing the photoresist post parts
and the micro-sized wire remaining after step (e),

wherein the pyrolysis of step (f) is performed in two steps including a first step and a second step, the second step being
performed at a temperature higher than that of the first step.

US Pat. No. 9,376,354

DISPLACEMENT DESORPTION PROCESS FOR LIGHT OLEFIN SEPARATION

KOREA INSTITUTE OF ENERGY...

1. A method for separating an olefin from an olefin-containing mixed gas using at least one adsorption column and at least
two distillation columns including a distillation column that separates an olefin rich stream and a desorbent and a distillation
column that separates an olefin poor stream and a desorbent, the method comprising:
i) adsorption step: introducing the olefin-containing mixed gas into an adsorption column packed with an olefin selective
adsorbent to adsorb an olefin from the mixed gas, and discharging unadsorbed components and a desorbent retained in the adsorption
column at a desorption step to the outlet of the adsorption column and then discharging them to the distillation column that
separates an olefin poor stream and a desorbent;

ii) rinse step: introducing a high-concentration olefin, obtained from the distillation column that separates an olefin rich
stream and a desorbent, into the adsorption column, thereby removing paraffin and other gases from the adsorption, column
to increase the purity of the olefin in the adsorption column;

iii) desorption step: introducing the desorbent, which was separated from the distillation columns in the steps i) and ii),
or another desorbent, which is introduced independently of the desorbent separated in the steps i) and ii), into the adsorption
column having been subjected to the step ii), to desorb the olefin from the adsorption column so as to form an olefin/desorbent
mixture, and then sending the olefin/desorbent mixture to the distillation column that separates an olefin rich stream and
a desorbent, thereby producing a high-purity olefin; and

before or after the step i), iv) recovery step: introducing an olefin-containing gas discharged from the rinse step into the
adsorption column, thereby recovering an olefin from the olefin-containing gas.

US Pat. No. 9,048,669

CHARGE EQUALIZATION APPARATUS AND METHOD FOR SERIES-CONNECTED BATTERY STRING

SK Innovation Co., Ltd., ...

1. An intelligently controllable charge equalization apparatus for a battery string connected in series, comprising:
a battery module having a plurality of batteries connected in series;
a battery string having M battery modules connected in series, wherein M is a natural number of 2 or more;
a single voltage sensing module sensing voltage of each battery of the battery string;
a single charge equalizing module that is connected to the voltage sensing module in parallel and charges or discharges each
battery of the battery string;

a bidirectional switch block that is included in each battery module and forms a parallel current path in each battery of
the battery module;

a module switch forming a current path between the bidirectional switch block and at least one of the voltage sensing module
and the charge equalizing module; and

a microprocessor determining charge or discharge of the battery by receiving a voltage value measured in the voltage sensing
module and controlling the bidirectional switch block and the module switch,

wherein each battery of the battery string shares the voltage sensing module and the charge equalizing module by the bidirectional
switch block and the module switch; and

wherein the bidirectional switch block of the battery module that includes k batteries includes 2 k bidirectional Metal Oxide
Semiconductor Field Effect Transistor (MOSFET) switches, wherein k is a natural number of 2 or more, and on the basis of one
battery of the battery module, the bidirectional MOSFET switches are respectively connected to both ends of a cathode and
an anode of one battery to form the parallel current path.

US Pat. No. 9,550,947

HYDROCRACKING PROCESS OF HEAVY HYDROCARBON DISTILLATES USING SUPERCRITICAL SOLVENT

SK INNOVATION CO., LTD, ...

1. A method of converting a heavy hydrocarbon distillate into a low-boiling hydrocarbon, the method comprising the step of:
contacting a heavy hydrocarbon distillate with a supercritical xylene-containing solvent in the presence of a hydrogenation
catalyst to hydrogenate the heavy hydrocarbon distillate for converting the heavy hydrocarbon distillate into the low-boiling
hydrocarbon,

wherein the hydrogenation catalyst is a petroleum pitch-derived active carbon catalyst,
wherein the supercritical xylene-containing solvent comprises at least 25 wt % of m-xylene,
wherein the active carbon catalyst has a mesopore area of 100-400 m2/g and a mesopore volume of 0.15-0.4 cm3/g,

wherein the active carbon catalyst is an acid-treated active carbon catalyst, and
wherein the total acidity of the acid-treated carbon catalyst is 0.1 to 3 meq/g.

US Pat. No. 9,505,956

COMPOSITION OF THE HOT-MELT ADHESIVE IMPROVED COLD RESISTANCE

SK Innovation Co., Ltd., ...

1. A hot-melt adhesive composition comprising:
an aliphatic polycarbonate resin, a cold resistance improver, and a tackifying resin,
wherein a tensile strength at ?10° C. is 1 to 50 MPa, a tensile elongation at ?10° C. is 5 to 300%, the cold resistance improver
is selected from the group consisting of a thermoplastic polyester elastomer and a mixture of a thermoplastic polyester elastomer
and a thermoplastic polyurethane, and the cold resistance improver is contained in the composition at 5 to 100 parts by weight
based on 100 parts by weight of the aliphatic polycarbonate resin.

US Pat. No. 9,056,308

CATALYST FOR CATALYTIC CRACKING OF HYDROCARBON, WHICH IS USED IN PRODUCTION OF LIGHT OLEFIN AND PRODUCTION METHOD THEREOF

SK INNOVATION CO., LTD., ...

1. A catalyst for catalytically cracking hydrocarbons of C4 or higher having a boiling point of 30-200° C., which is characterized
in that 0.01-5.0 wt % of MnO2 and 1-15 wt % of P2O5 are supported simultaneously with each other on catalyst components,
wherein the catalyst components comprise 1-50 wt % of zeolite, 21-70 wt % of clay, and 1-40 wt % of an inorganic oxide binder,
the zeolite consisting of ZSM-5, and

wherein both the MnO2 and the P2O5 are embedded on each of the zeolite, the clay and the inorganic oxide in the catalyst components.

US Pat. No. 9,511,357

AMORPHOUS CALCIUM PHOSPHATE CATALYST FOR USE IN PRODUCTION OF 1,3-BUTADIENE AND METHYL ETHYL KETONE FROM 2,3-BUTANEDIOL, AND METHOD OF PREPARING THE SAME

SK INNOVATION CO., LTD., ...

1. A method of preparing an amorphous calcium phosphate catalyst for use in production of 1,3-butadiene and methyl ethyl ketone
from 2,3-butanediol, comprising:
(a) reacting a phosphoric acid-containing solution with ammonium hydroxide, thus preparing a phosphoric acid-alkali aqueous
solution;

(b) adding the phosphoric acid-alkali aqueous solution with a calcium precursor aqueous solution, thus preparing a calcium
phosphate slurry, wherein preparing the calcium phosphate slurry in (b) is performed at a pH of 6-10; and

(c) thermally treating the slurry, thus obtaining an amorphous calcium phosphate catalyst used for 1,3-butadiene and methyl
ethyl ketone from 2,3-butanediol.

US Pat. No. 9,484,600

ELECTROLYTE FOR SODIUM SECONDARY BATTERY AND SODIUM SECONDARY BATTERY EMPLOYING THE SAME

SK Innovation Co., Ltd., ...

1. An electrolyte for a sodium secondary battery comprising a molten sodium salt, and 0.1 to 30 wt % of an electrolyte additive
containing a salt represented by following Chemical Formula 1 and another salt represented by following Chemical Formula 2:
NaA  [Chemical Formula 1]
MX3  [Chemical Formula 2]
wherein
Na is a sodium cation;
A is an anion of a non-halogen element or a compound containing the non-halogen element;
M is a cation of one metal selected from the group consisting of Group 3 or Group 13 metals; and
X is an anion of one element selected from the group consisting of Group 17 halogen elements.

US Pat. No. 9,096,739

CELLULOSE ACETATE FILM

SK Innovation Co., Ltd., ...

1. A cellulose acetate film, comprising at least one retardation inhibitor selected from compounds represented by Formula
1:

(wherein, in Formula 1, R1, R2 and R3 are each independently selected from: hydrogen; (C1-C10)alkyl; (C6-C20)aryl; (C3-C20)cycloalkyl; (C2-C7)alkenyl; (C6-C20)ar(C1-C20)alkyl;
5- to 7-membered heterocycloalkyl containing at least one element selected from N, O and S; and (C4-C20)heteroaryl containing
at least one element selected from N, O and S;

wherein alkyl, aryl, cycloalkyl, alkenyl, aralkyl, heterocycloalkyl and heteroaryl described above may be further substituted
with at least one selected from: (C1-C7)alkyl; halogen; nitro; cyano; hydroxyl; amino; (C6-C20)aryl; (C2-C7)alkenyl; (C3-C20)cycloalkyl;
5- to 7-membered heterocycloalkyl containing at least one element selected from N, O and S; or (C4-C20)heteroaryl containing
at least one element selected from N, O and S; and

wherein R2 and R3 may be linked together by (C2-C10)alkylene substituted or unsubstituted with (C1-C7)alkyl and/or (C6-C12)aryl, to form an
alicyclic ring).

US Pat. No. 9,095,844

CATALYST FOR AQUEOUS PHASE REFORMING OF BIOMASS-DERIVED POLYOLS AND PREPARATION METHOD THEREOF

SK Innovation Co., Ltd., ...

1. A method of producing hydrogen by carrying out aqueous-phase reforming of a feedstock comprising biomass-derived polyols
in the presence of a bimetallic catalyst which comprises active metals consisting of platinum and copper and a mixture of
magnesia and alumina as a support,
wherein the contents of platinum and copper in the catalyst are 0.1-2.0 wt % and 0.05-1.0 wt %, respectively, based on total
weight of the catalyst, and

wherein the mixture of magnesia and alumina has a Mg/AI ratio of 0.5-5.0 and is prepared by calcination of layered double
hydroxide.

US Pat. No. 9,481,762

CATALYTIC SYSTEM FOR CO2/EPOXIDE COPOLYMERIZATION

SK Innovation Co., Ltd., ...

1. A method of manufacturing a complex of following formula 2, comprising:
a step of reacting a ligand of following formula 6 with cobalt acetate to bind the metal with the ligand; and
a step of adding the acid HX in the presence of oxygen after binding said metal with the ligand, and oxidizing the metal to
coordinate anion X to the metal; and

a step of ion exchanging by using a sodium salt having anion X:

where, in the formula 2 or formula 6,
H is hydrogen in [X3 . . . H . . . X4]? as acid-base homoconjugation, and H is hydrogen bonded between X3 and X4,

L5, L6, X3 or X4 is each independently, a halogen anion or HCO3?, or an aryloxy anion having carbon number 6 to 20 including or non-including one or more of a halogen atom, a nitrogen atom,
an oxygen atom, a carboxy anion having carbon number 1 to 20; an alkoxy anion having carbon number 1 to 20; a carbonate anion
having carbon number 1 to 20; an alkylsulfonate anion having carbon number 1 to 20; an amide anion having carbon number 1
to 20; a carboxamide anion having carbon number 1 to 20; a sulfonamide anion having carbon number 1 to 20; or a carbamate
anion having carbon number 1 to 20,

c is 1 or 0,
Z is BF4?, ClO4?, NO3? or PF6?,

R12 and R14 are selected from methyl, ethyl, isopropyl or hydrogen,

R11 and R13 are —[CMe{(CH2)3N+Bu3}2], and

Q is diradical which binds in order to connect two nitrogen atoms.

US Pat. No. 9,371,420

FLAME-RETARDING CARBON DIOXIDE/EPOXIDE COPOLYMER AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. Poly(alkylene carbonate) represented by Chemical Formula 7 below:

wherein, in Chemical Formula 7,
E represents O or S; G represents (C1-C60)alkyl, (C1-C60)alkoxy, (C6-C60)aryl or (C6-C60)aryloxy; y represents an integer
of 0 to 2; respective G may be the same as or different from each other when y represents 2;

R71 through R74 each independently represent hydrogen; (C1-C10)alkyl substituted or unsubstituted with halogen or (C1-C20)alkoxy; (C6-C12)aryl
substituted or unsubstituted with halogen or (C1-C20)alkoxy, and R71 through R74 may be linked to form a ring; and

d represents an integer of 1 to 1500.

US Pat. No. 9,234,944

SOC CORRECTING SYSTEM HAVING MULTIPLE PACKS IN PARALLEL

SK Innovation Co., Ltd., ...

1. A State Of Charge (SOC) correcting system in a parallel structure of multiple packs that a plurality of sub-packs having
serially connected cells are connected in parallel, the system comprising:
sub Battery Management Systems (BMSs) connected to each of the sub-packs to calculate each SOC of the sub-packs; and
a main BMS connected to each of the sub BMSs to collect the SOCs calculated in each of the sub BMSs and transmit a final SOC
to a vehicle controller,

wherein when the average SOC to each SOC of the sub-packs is less than 50%, the main BMS determines a minimum value among
the SOCs of the sub-packs as a final SOC, and

when an average SOC to each SOC of the sub-packs is 50% or more, the main BMS determines a maximum value among the SOCs of
the sub-packs as a final SOC.

US Pat. No. 9,461,302

ANODE FOR LITHIUM SECONDARY BATTERY, FABRICATING METHOD THEREOF AND LITHIUM AIR BATTERY HAVING THE SAME

SK INNOVATION CO., LTD., ...

1. A manufacturing method of an anode for a lithium secondary battery comprising:
preparing a current collector;
laminating a lithium metal on the current collector;
laminating a separator on the lithium metal, the separator containing an electrolyte;
laminating a solid electrolyte on the separator to form a laminate formed of the current collector, the lithium metal, the
separator and the solid electrolyte, wherein the current collector, the lithium metal, the separator and the solid electrolyte
have a same circumferential contour shape forming a lateral side surface of the laminate;

pressing the laminate in the laminating direction;
in the pressed state, applying or coating the lateral side surface of the laminate with any one selected from an adhesive,
sealant (water-repellent) and rubber to form a sealing part on the lateral side surface of the laminate;

curing the sealing part in the pressed state; and
releasing the pressed state after the sealing part is cured to form a cured sealing part.

US Pat. No. 9,297,858

SECONDARY BATTERY MANAGEMENT SYSTEM AND METHOD FOR EXCHANGING BATTERY CELL INFORMATION

SK INNOVATION CO., LTD., ...

1. A secondary battery management system, comprising:
a plurality of secondary battery sub systems, each secondary battery sub system of the plurality of secondary battery sub
systems comprising:

a unit battery cell;
a battery module in which a plurality of unit battery cells are disposed; and
a voltage temperature management system (VTMS) connected to the battery module;
a plurality of battery packs in which the plurality of secondary battery sub systems are respectively disposed; and
a sub battery management system (BMS) connected to the plurality of battery packs to receive diagnosis information from the
secondary battery sub system,

wherein the VTMS comprises:
a cell balancing unit configured to perform a cell balancing for each of the plurality of unit battery cells to generate cell
balancing information;

a cell temperature sensing unit configured to sense a temperature for each of the plurality of unit battery cells to generate
cell temperature sensing information;

a cell voltage/current sensing unit configured to sense a voltage for each of the plurality of unit battery cells to generate
cell voltage/current sensing information;

a control unit configured to (1) generate state information using unit battery cell information including the cell balancing
information, the cell temperature sensing information, and the cell voltage/current sensing information, and to (2) generate
the diagnosis information of a battery module or the unit battery cells by comparing the state information with a set of reference
values to determine whether the plurality of unit battery cells or the unit battery cell is abnormal or normal; and

a communication unit configured to transmit the diagnosis information to the sub BMS.

US Pat. No. 9,455,065

NANO STRUCTURE INCLUDING DIELECTRIC PARTICLE SUPPORTER

SK INNOVATION CO., LTD., ...

20. A nano structure, comprising:
a substrate;
a plurality of dielectric particle supporters disposed over the substrate;
a plurality of linkers formed on the dielectric particle supporters and suitable for coupling a plurality of metal ions with
the dielectric particle supporters; and

one or more metallic nanoparticles formed to the linkers.
US Pat. No. 9,296,892

ALIPHATIC POLYCARBONATE/POLYESTER POLYMER RESIN COMPOSITION HAVING SUPERIOR LOW-TEMPERATURE RESISTANCE

SK Innovation Co., Ltd., ...

1. A film including a poly(alkylene carbonate) resin composition having superior low-temperature resistance consisting essentially
of:
a) a poly(alkylene carbonate) resin of 60 to 95 weight % prepared by copolymerization of carbon dioxide and at least one epoxide
compound selected from the group consisting of (C2-C20)alkyleneoxide unsubstituted or substituted with halogen, (C1-C20)alkyloxy,
(C6-C20)aryloxy, or (C6-C20)ar(C1-C20)alkyloxy; (C4-C20)cycloalkyleneoxide unsubstituted or substituted with halogen, (C1-C20)alkyloxy,
(C6-C20)aryloxy or (C6-C20)ar(C1-C20)alkyloxy; and (C8-C20)styreneoxide unsubstituted or substituted with halogen, (C1-C20)alkyloxy,
(C6-C20)aryloxy, (C6-C20)ar(C1-C20)alkyloxy, or (C1-C20)alkyl; and

b) any one or two or more partially aromatic polyesters of 5 to 40 weight % selected from poly(butylene adipate-co-terephthalate)
(PBAT) and poly(butylene succinate-co-terephthalate) (PBST), and

satisfying the following equations 1 to 3:
500?ETD?800 at a film thickness of 50 ?m  [Equation 1]

50?EMD?400 at a film thickness of 50 ?m  [Equation 2]

?30?TC??10 at a film thickness of 50 ?m  [Equation 3]

wherein in Equation 1, ETD represents an elongation value (%) in a vertical direction; in Equation 2, EMD represents an elongation value (%) in a horizontal direction; and in Equation 3, TC represents a low-temperature resistant temperature (° C.).

US Pat. No. 9,518,233

CATALYST FOR A HYDRODGENATION DEWAXING PROCESS AND METHOD FOR MANUFACTURING SAME

SK INNOVATION CO., LTD., ...

1. A hydrodewaxing method of a hydrocarbon raw material, wherein the hydrocarbon raw material is hydrodewaxed in the presence
of a catalyst under the reaction conditions of a temperature of 250˜420° C., a hydrogen partial pressure of 1˜200 atm, a liquid
hourly space velocity of 0.1˜10 h?1 and a hydrogen treatment rate of 250˜10,000 scf/B, wherein the catalyst comprises
an EU-2 zeolite support having an acid site, the phase transition index (T) thereof, represented by Formula 1 below, being
60?T<98, and the molar ratio of silica and alumina thereof being 20 to 200; and

a metal composition for hydrogenation loaded in the EU-2 zeolite support, the metal composition including at least one metal
selected from the group consisting of group VI metals and group VIII metals,

wherein T=(TGA weight reduction rate of the synthesized EU-2 sample)/(TGA weight reduction rate of pure EU-2 reference
sample)×100 (here, the TGA weight reduction rate of the EU-2 sample is measured under the condition that the sample is heated
from 120° C. to 550° C. at a heating rate of 2° C./min and then maintained at 550° C. for 2 hours).

US Pat. No. 9,284,407

PREPARATION OF POLY(ALKYLENE CARBONATE) CONTAINING CROSS-LINKED HIGH MOLECULAR WEIGHT CHAINS

SK INNOVATION CO., LTD., ...

1. A method for preparation of poly(alkylene carbonate), comprising carrying out alternating copolymerization of carbon dioxide
and epoxide compound in the presence of a metal catalyst and a compound having at least two epoxide functional groups as a
chain linker.

US Pat. No. 9,281,484

METHOD FOR FABRICATING SINGLE ELECTRON TRANSISTOR

SK INNOVATION CO., LTD., ...

1. A method for forming a channel of a transistor, comprising:
forming a substrate;
forming linkers on the substrate;
bonding metal ions to the linkers; and
forming a metallic nanoparticle from the metal ions bonded to the linkers formed on the substrate,
wherein an energy source is applied during the forming of the metallic nanoparticles, and
wherein the metallic nanoparticles are formed through in situ reduction and growth of the linker-bonded metal ions.

US Pat. No. 9,375,709

CATALYST SYSTEMS FOR PREPARING 1-HEXENE AND/OR 1-OCTENE FROM ETHYLENE

SK INNOVATION CO., LTD., ...

1. A catalyst system for selective oligomerization of ethylene, comprising:
(i) a chromium compound;
(ii) a ligand represented by Chemical Formula 1 below; and
(iii) an activator:
wherein
X1 to X4 are each independently halogen;
R1 and R2 are each independently hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, or substituted heterohydrocarbyl;
R3 to R18 are each independently hydrogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl
or halogen.

US Pat. No. 9,346,951

POLYALKYLENE CARBONATE RESIN COMPOSITION

SK Innovation Co., Ltd., ...

1. A polyalkylene carbonate resin composition comprising:
(A) a base resin composed of (a) polyalkylene carbonate and (b) at least one resin selected from polyolefin and biodegradable
polyester; and

(B) a first compatibilizer which is a graft-polymerized compatibilizer, wherein the first compatibilizer contains a base resin
composed of (a?) polyalkylene carbonate and (b?) at least one resin selected from polyolefin and biodegradable polyester,
(c) a second compatibilizer, and (d) an initiator.

US Pat. No. 9,428,624

METHOD FOR MANUFACTURING A WIDE FILM, AND WIDE FILM

SK INNOVATION CO., LTD., ...

1. A method for manufacturing a wide film, comprising:
a casting operation which is a process of casting a film using a wide casting belt including a central belt, a left belt having
a right end formed integrally with a left end of the central belt through a left joint in a length direction of the central
belt, and a right belt having a left end formed integrally with a right end of the central belt through a right joint in the
length direction of the central belt;

a stretching operation which is a process of gripping predetermined regions of left and right sides of the cast film stripped
off from the wide casting belt and stretching the cast film using a tenter so that the cast film is extended in a width direction
thereof;

a first trimming operation which is a process of removing parts of left and right sides of the stretched film including regions
at which marks are formed by the left joint and the right joint of the wide casting belt after the stretching operation;

a drying operation which is a process of drying the trimmed film after the first trimming operation; and
a second trimming operation which is a process of removing predetermined parts of left and right sides of the dried film after
the drying operation.

US Pat. No. 9,312,553

APPARATUS AND METHOD FOR CONTROLLING FUEL CELL SYSTEM

SK INNOVATION CO., LTD., ...

1. An apparatus for controlling a fuel cell system, comprising:
a plurality of stack state detecting units for detecting respective states of a plurality of fuel cell stacks;
a switching unit for connecting at least parts of the plurality of fuel cell stacks to each other in series or in parallel;
and

a control unit configured to detect at least one degraded stack based on the states of the stacks detected by the plurality
of stack state detecting units, and configured to connect the detected at least one degraded stack to at least one normal
stack in series by controlling an operation of the switching unit in order to prevent propagation of degradation from the
detected at least one degraded stack to the other normal stacks.

US Pat. No. 9,120,884

CYCLOPENTA[B]FLUORENYL TRANSITION METAL COMPOUND, CATALYST COMPOSITION CONTAINING THE SAME, AND METHOD OF PREPARING ETHYLENE HOMOPOLYMER OR COPOLYMER OF ETHYLENE AND ?-OLEFIN USING THE SAME

SK Innovation Co., Ltd., ...

1. A transition metal compound represented by Chemical Formula 1 below:

In Chemical Formula 1, M is a Group 4 transition metal in the Periodic Table of Elements;
n is an integer of 1 or 2, each R1 may be the same or different when n is 2;

R1 is hydrogen, (C1-C50)alkyl, halo(C1-C50)alkyl, (C3-C50)cycloalkyl, (C6-C30)aryl, (C6-C30)aryl(C1-C50)alkyl, ((C1-C50)alkyl(C6-C30)aryl)(C1-C50)alkyl,
—NRaRb, —SiRcRdRe, or 5- through 7-membered N-heterocycloalkyl containing at least one nitrogen atom;

R2 and R3 each are independently hydrogen, (C1-C50)alkyl, (C1-C50)alkoxy, halo(C1-C50)alkyl, (C3-C50)cycloalkyl, (C6-C30)aryl, (C6-C30)aryloxy,
(C1-C50)alkyl(C6-C30)aryloxy, (C6-C30)aryl(C1-C50)alkyl, ((C1-C50)alkyl(C6-C30)aryl)(C1-C50)alkyl, —NRaRb or —SiRcRdRe;

R4, R5, R10, R11 and R12 each are independently (C1-C50)alkyl, halo(C1-C50)alkyl, (C3-C50)cycloalkyl, (C6-C30)aryl, (C6-C30)aryl(C1-C50)alkyl, ((C1-C50)alkyl(C6-C30)aryl)(C1-C50)alkyl,
—NRaRb, or —SiRcRdRe, and R11 and R12 may be linked via (C4-C7)alkylene to form a ring;

R6, R7, R8 and R9 each are independently hydrogen, (C1-C50)alkyl, halo(C1-C50)alkyl, (C3-C50)cycloalkyl, (C1-C50)alkoxy, (C6-C30)aryl, (C6-C30)aryl(C1-C50)alkyl,
((C1-C50)alkyl(C6-C30)aryl)(C1-C50)alkyl, (C6-C30)aryloxy, (C1-C50)alkyl(C6-C30)aryloxy, N-carbazolyl, —NRaRb, or —SiRcRdRe, or may be linked to an adjacent substituent via (C1-C5)alkylene to form a ring, and at least one —CH2— of the alkylene may be substituted by a hetero atom selected from —O—, —S—, and —NR—, and the alkylene may be further substituted
with (C1-C50)alkyl;

aryl of R1 to R12 may be further substituted with at least one substituent selected from the group consisting of (C1-C50)alkyl, halo(C1-C50)alkyl,
(C1-C50)alkoxy, (C6-C30)aryloxy, (C6-C30)aryl, (C1-C50)alkyl(C6-C30)aryl, and (C6-C30)aryl(C1-C50)alkyl;

R? and Ra to Re each are independently (C1-C50)alkyl or (C6-C30)aryl;

X1 and X2 each are independently halogen, (C1-C50)alkyl, (C2-C50)alkenyl, (C3-C50)cycloalkyl (C6-C30)aryl, (C6-C30)aryl(C1-C50)alkyl,
((C1-C50)alkyl(C6-C30)aryl)(C1-C50)alkyl, (C1-C50)alkoxy, (C6-C30)aryloxy, (C1-C50)alkyl(C6-C30)aryloxy, (C1-C50)alkoxy(C6-C30)aryloxy,
(C1-C50)alkylidene, —OSiRfRgRh, —SRi, —NRjRk, —PRlRm or dianion bidentate ligand consisting of 60 or less atoms containing N, P, O, S, Si, and halogen, except hydrogen, provided
that one of X1 and X2 is a dianion bidentate ligand, the other is ignored;

Rf to Ri each are independently (C1-C50)alkyl, (C6-C30)aryl, (C3-C50)cycloalkyl; and

Rj to Rm each are independently (C1-C50)alkyl, (C6-C30)aryl, (C6-C30)aryl(C1-C50)alkyl, (C3-C50)cycloalkyl, tri(C1-C50)alkylsilyl,
or tri(C6-C30)arylsilyl.

US Pat. No. 9,472,793

BATTERY PACK

SK Innovation Co., Ltd., ...

1. A battery pack comprising:
a plurality of socket terminals having a plurality of elastic contactors extendedly formed at one side of a cylindrical body
thereof so as to be spaced apart from each other by a predetermined distance in a circumferential direction;

a plurality of sockets enclosing outer sides of the socket terminals and coupled to the socket terminals so as to be closely
adhered thereto;

a plurality of flexible bus bars having both sides coupled to a pair of sockets;
a case having the socket terminals, the sockets, and the flexible bus bars accommodated therein and fixed thereto;
a sub pack case having a plurality of receiving parts formed therein, each of the plurality of receiving parts having a sub
pack case cover hinge-coupled to one side thereof and having the case coupled to the other side thereof; and

a plurality of battery modules seated in the receiving parts of the sub pack case, having electrode terminals protruding from
one sides thereof, and having the sub pack case cover coupled and fixed thereto, the electrode terminals being closely adhered
and coupled into the socket terminals so as to be inserted into the socket terminals to thereby be electrically connected
thereto.

US Pat. No. 9,437,751

NON-VOLATILE MEMORY DEVICE INCLUDING CHARGE TRAPPING LAYER AND METHOD FOR FABRICATING THE SAME

SK INNOVATION CO., LTD., ...

1. A method for fabricating a non-volatile memory device, comprising:
forming a tunneling layer over a substrate; and
forming a charge trapping layer over the tunneling layer,
wherein the forming of the charge trapping layer comprises:
forming a linker layer, which includes linkers, over the tunneling layer;
forming metal ions over the linker layer;
forming metallic nanoparticles by growing from the metal ions; and
forming a nitride over the metallic nanoparticles,
wherein the metallic nanoparticles are formed through reduction and growth of the metal ions being formed over the linker
layer prior to forming the metallic nanoparticles.

US Pat. No. 9,283,553

HYDROCRACKING CATALYST FOR PREPARING VALUABLE LIGHT AROMATIC HYDROCARBONS FROM POLYCYCLIC AROMATIC HYDROCARBONS

SK INNOVATION CO., LTD., ...

1. A hydrocracking catalyst for preparing light aromatic hydrocarbons from polycyclic aromatic hydrocarbons, comprising:
(i) beta-zeolite;
(ii) pseudo-boehmite;
(iii) one or more metals selected from the group consisting of cobalt and molybdenum,
(iv) cocatalyst comprising 0.01-10 wt % of tin (Sn) based on a total weight of the catalyst.
US Pat. No. 9,051,262

PLASTICIZER AND METHOD OF PREPARING THE SAME

SK INNOVATION CO., LTD., ...

1. A method of preparing a plasticizer composition, comprising:
fractionating coconut oil methyl ester to obtain a fatty acid methyl ester of C6 to C12;
mixing the fatty acid methyl ester with triacetin and methyl benzoate; and
transesterifying the mixture using a basic catalyst,
wherein the produced plasticizer composition includes glycerin triester having, based on the total amount of the plasticizer
composition,

40-80 wt % mono-functional triester,
20-60 wt % di-functional triester, and
0-20 wt % tri-functional trimester;
wherein the plasticizer composition comprises 15-40 wt % aromatic components;
and
wherein
the mono-functional triester is a structure in which one benzoyl group or one acyl group of 6 to 21 carbon atoms is disposed
at the ester end thereof, the other ester end groups are acetyl groups,

the di-functional triester is a structure in which two benzoyl groups or two acyl groups of 6 to 21 carbon atoms is disposed
at the ester end thereof, the other ester end groups are acetyl groups, and

the tri-functional triester is a structure in which three benzoyl groups or three acyl groups of 6 to 21 carbon atoms is disposed
at the ester end thereof.

US Pat. No. 9,238,879

METHOD OF FABRICATING THERMAL CONDUCTIVE POLYMER

SK INNOVATION CO., LTD., ...

1. A method of fabricating a thermal conductive polymer, comprising:
a) fabricating a gel filament by primarily elongating a solution filament formed by spinning a mixed solution containing an
ultra high molecular weight polyolefin (UHMWPO) resin and a first solvent, followed by cooling;

b) secondarily elongating the gel filament;
c) fabricating a dry filament by removing the solvent from the gel filament, followed by tertiary elongation; and
d) converting the dry filament into the gel filament by adding the first solvent to the dry filament;
e) removing the first solvent from the converted gel filament; and
f) quaternarily elongating the gel filament from which the first solvent is removed.

US Pat. No. 9,300,013

BATTERY MODULE

SK Innovation Co., Ltd., ...

1. A battery module including two or more battery cells and electrode tabs extended from the respective battery cells and
welded to each other by laser,
wherein the battery module is formed so that the electrode tabs upwardly extended are bent to include welding parts having
welding surfaces in a direction perpendicular to the battery cells, wherein the battery module has swelling partitions guiding
a swelling position of the battery cells and formed to enclose the battery cells at a predetermined lower region of the battery
cells.

US Pat. No. 9,979,049

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

SK INNOVATION CO., LTD., ...

1. An electrolyte for a lithium secondary battery comprising:a lithium salt;
a non-aqueous organic solvent;
and
a multi-nitrile compound represented by the following Chemical Formula 1:

in Chemical Formula 1, R1 and R2 are each independently cyano, —(CH2)a—CN, or (C1-C5)alkoxycarbonyl; R3 and R4 are each independently cyano, or —(CH2)a—CN; a is an integer of 2 to 10; and at least two of R1 to R4 being —(CH2)a—CN.

US Pat. No. 9,490,481

LAYERED LITHIUM NICKEL OXIDE, PROCESS FOR PRODUCING THE SAME AND LITHIUM SECONDARY CELL EMPLOYING IT

SK Innovation Co., Ltd., ...

1. A metal oxide for a cathode active material of a lithium secondary battery, the metal oxide represented by the following
Chemical Formula 1:
LiaNixCoyMzO2  [Chemical Formula 1]

wherein, in Chemical Formula 1, M is any one selected from aluminum, magnesium, titanium, gallium and indium, and a, x, y
and z satisfy 1.01?a?1.05, 0.7?x?0.9, 0?y?0.17, 0.02?z?0.16, and x+y+z=1, respectively, and wherein a concentration of M has
a gradient at which the concentration is decreased from a surface of the metal oxide to a center thereof.

US Pat. No. 9,343,780

SECONDARY BATTERY

SK INNOVATION CO., LTD., ...

1. A secondary battery, comprising:
at least one anode including an anode current collector and an anode active material layer coated on the anode current collector;
at least one cathode including a cathode current collector, a cathode active material layer coated on one surface of the cathode
current collector, which faces the anode, and an outermost coating layer coated on the other surface of the cathode current
collector, which does not face the anode, the outermost coating layer being formed by coating an anode active material and
inorganic particle; and

at least one separator positioned between the cathode and the anode,
wherein the secondary battery is a lithium ion battery or a lithium ion polymer battery, and the outermost coating layer contains
5 to 400 parts by weight of the inorganic particle based on 100 parts by weight of the anode active material.

US Pat. No. 9,296,015

METHOD FOR MANUFACTURING THICK POLYIMIDE FLEXIBLE METAL-CLAD LAMINATE

SK INNOVATION CO., LTD., ...

1. A method for manufacturing a flexible metal-clad laminate, comprising:
(a) coating and drying a first polyamic acid solution on a metal layer to form a first polyimide precursor layer, the first
polyimide precursor having a first thickness;

(b) coating and drying a second polyamic acid solution directly on the first polyimide precursor layer to form a second polyimide
precursor layer directly on the first polyimide precursor layer, the second polyimide precursor layer having a second thickness,
wherein the first polyamic acid solution and the second polyamic acid solution are not identical to each other;

(c) imidizing the first polyimide precursor layer and the second polyimide precursor layer simultaneously to form a first
polyimide layer having a coefficient of linear thermal expansion of 25 ppm/K or less;

(d) plasma-treating a surface of the first polyimide layer to form a surface-roughened polyimide layer having a predetermined
surface roughness; and

(e) coating and drying a third polyamic acid solution on the surface-roughened polyimide layer to form a third polyimide precursor
layer on the surface-roughened polyimide layer, followed by imidizing the third polyimide precursor layer to form a second
polyimide layer on the surface-roughened polyimide layer, the second polyimide layer having a coefficient of linear thermal
expansion of 25 ppm/K or less,

wherein the surface-roughened polyimide layer and the second polyimide layer have a total thickness of 30 ?m to 60 ?m.

US Pat. No. 9,050,743

MULTILAYER FILM

SK INNOVATION CO., LTD., ...

1. A multilayer film comprising,
a base layer, wherein the base layer has an average thickness of 40 ?m to 50 ?m and consists of an aliphatic polycarbonate;
and

a surface layer laminated on a top surfaces of the base layer and on a bottom surface of the base layer, wherein each surface
layer has an average thickness of 60 ?m to 75 ?m and comprises one or more copolyester polymer selected from poly(butylene
adipate-co-terephthalate) and poly(butylene succinate);

wherein the aliphatic polycarbonate is a copolymer of carbon dioxide and one or more epoxide compounds, wherein the one or
more epoxide compounds are selected from the group consisting of (C2-C10) alkylene oxide substituted or unsubstituted with halogen or alkoxy; (C4-C20) cycloalkylene oxide substituted or unsubstituted with halogen or alkoxy; and (C8-C20) styrene oxide substituted or unsubstituted with halogen, alkoxy, alkyl, or aryl, and the aliphatic polycarbonate copolymer
has a glass transition temperature (Tg) of 0 to 40° C., and wherein the aliphatic polycarbonate is polypropylene carbonate;

wherein the base layer and the surface layer are laminated by coextrusion, wherein the coextrusion is performed by melt extruding
the aliphatic polycarbonate at a temperature of 120 to 210° C. and the copolyester polymer at a temperature of 160 to 250°
C. and then coextruding the aliphatic polycarbonate and the copolyester polymer using a blown or casting type of film molding
machine, and

wherein the multilayer film is a three-layer film consisting of the base layer and the surface layers and does not include
an adhesive layer or a tie layer, and the base layer and the surface layers are not delaminated in a delamination test using
adhesive tape when performed on the multilayer film having an average thickness of 170 ?m to 190 ?m, a width of 5 cm and a
length of 20 cm.

US Pat. No. 9,419,196

OXIDE NANOPARTICLE-DISPERSED, CHALCOGENIDE-BASED, AND PHASE-SEPARATED COMPOSITE THERMOELECTRIC MATERIAL

SK Innovation Co., Ltd., ...

1. A thermoelectric material comprising:
a matrix containing a Group 13 element of chalcogenide according to the following Chemical Formula 1; and
oxide nanoparticles dispersed into the matrix:
(A1?xA?x)1±?1(B1?yB?y)1±?2  (Chemical Formula 1)

in the Chemical Formula 1, A is at least one of the elements of Group 13, A? is at least one of the elements of Group 14,
B and B? are different from each other, B is S, Se or Te, B? is at least one of the elements of Groups 15 and 16, x is a real
number satisfying 0?x<0.5, y is a real number satisfying 0?y<0.5, and ?1 and ?2 are each independently real numbers satisfying
0??<0.1.

US Pat. No. 9,073,049

ADSORBENTS FOR THE RECOVERY OF CATALYST FROM BLOCK CO-POLYMER PROCESS AND METHOD FOR REGENERATING OF THE SAME

SK Innovation Co., Ltd., ...

1. A process for recovering the catalyst from a solution of copolymer and catalyst dissolved therein by using silica having
average pore size of not less than 5 nm, pore volume of 0.75-3.3 cm3/g and production rate of propionaldehyde not more than 0.0035%, and regenerating the silica, which comprises the steps of:
1) contacting a solution having copolymer and catalyst dissolved therein, which was formed after copolymerization of carbon
dioxide and epoxide by using a complex containing onium salt as a catalyst, with silica that is not soluble in the solution
to result in isolation of the catalyst by means of adsorption of the catalyst on the surface of silica; and

2) treating the silica with catalyst adsorbed thereon with acid to desorb the catalyst from the surface of silica and to regenerate
silanol group of silica.

US Pat. No. 9,589,788

POLYMER WITH A GOOD HEAT RESISTANCE AND STORAGE STABILITY, UNDERLAYER FILM COMPOSITION CONTAINING THE POLYMER AND PROCESS FOR FORMING UNDERLAYER FILM USING THE COMPOSITION

SK Innovation Co., Ltd., ...

1. A polymer comprising a repeating unit represented by the following Chemical Formula 1:

in Chemical Formula 1,
Ar is (C6-C20)arylene;
R1 to R6 are each independently hydrogen, (C1-C20)alkyl, nitrile, or (C6-C20)arylmethyl, at least one of R1 to R6 being (C6-C20)arylmethyl;

L is a single bond, (C1-C10)alkylene, or (C6-C20)arylene, alkylene and arylene of L being further substituted with one or
more substituents selected from (C1-C20)alkyl, (C6-C20)aryl, and (C1-C20)alkoxy; and

R? and R? are each independently hydrogen, (C1-C20)alkyl, (C1-C20)alkoxy, or (C6-C20)aryl, or are linked to each other via
(C2-C10)alkenylene to form a fused ring.

US Pat. No. 9,466,863

SUBSTRATE FOR SENSING BATTERY CELL

SK INNOVATION CO., LTD., ...

1. A sensing substrate for sensing voltage and temperature of stacked battery cells each having a positive electrode and a
negative electrode exposed to one side of the stacked battery cells, the sensing substrate comprising:
a slot formed in a bottom surface of the sensing substrate at a position corresponding to a corresponding positive electrode
or a corresponding negative electrode, wherein the slot is open towards the one side of the stacked battery cells, and the
corresponding positive electrode and the corresponding negative electrode is inserted into the slot when the sensing substrate
is mounted on the stacked battery cells; and

a terminal formed correspondingly to the slot, one end portion of the terminal being fixed to the sensing substrate and the
other end portion thereof protruding toward an inner space of the slot, wherein a bottom surface of the other end portion
of the terminal is configured to electrically contact with a top end of the corresponding positive electrode or the corresponding
negative electrode when the corresponding positive electrode or the corresponding negative electrode is inserted into the
slot.

US Pat. No. 9,394,388

HYBRID SUPPORTED METALLOCENE CATALYST, METHOD FOR PREPARING THE SAME, AND PROCESS FOR PREPARING POLYOLEFIN USING THE SAME

SK Innovation Co., Ltd., ...

1. A hybrid supported metallocene catalyst comprising a hybrid of a first metallocene compound represented by the following
Chemical Formula 2 and a second metallocene compound represented by the following Chemical Formula 3, which hybrid is supported
on a carrier surface-treated with an ionic compound represented by the following Chemical Formula 1 and a co-catalyst:
X+Y?  [Chemical Formula 1]

in Chemical Formula 1, X+ is imidazolium ion, pyridinium ion, ammonium ion, phosphonium ion, sulfonium ion, pyrazolium ion, or pyrrolidium ion and
substituted with (C1-C20)alkyl or (C6-C20)aryl substituted or unsubstituted with at least one functional group selected from
—CN, —OH, —SO3H, —COOH, amino, —SiR11R12R13, (C1-C20)alkyl, and (C1-C20)alkoxy; Y? is BF4?, BCl4?, PF6?, AlCl4?, halogen?, CH3CO2?, CF3CO2?, CH3SO4?, CH3CH2SO4?, CF3SO3?, N(CN)2?, HCO3?, (CF3SO2)N?, SCN?, NO3?, SbF6?, Sb2F11?, MePhSO3?, (CF3SO2)2N?, (CF3SO2)3C?, (OR)2PO2?, Bu2PO2?, Et2PO2?, or HSO4?; R11 to R13 each are independently (C1-C20)alkyl or (C6-C30)aryl; R is (C1-C20)alkyl;

Cp?L1M1L2m  [Chemical Formula 2]

in Chemical Formula 2,
M1 is a Group 4 transition metal in the Periodic Table of Elements;

Cp? is a fused ring including cyclopentadienyl or cyclopentadienyl ring capable of being ?5-bonded to a central metal M1;

L1 is a fused ring containing cyclopentadiene or cyclopentadienyl ring, or an anion ligand including (C1-C20)hydrocarbon substituents
and O, N, or P atoms;

L2 is a halogen atom, (C1-C20)alkyl, (C6-C30)aryl(C1-C20)alkyl, (C3-C20)cycloalkyl, (C1-C20)alkoxy, (C6-C30)aryloxy, (C6-C30)aryl,
—SiRaRbRc, —NRdRe, —OSiRfRgRh, or —PRiRj;

Ra to Rj each are independently (C1-C20)alkyl or (C6-C30)aryl;

m is an integer of 1 or 2; and
Cp? and L1 are not connected to each other, or are connected via silicon or (C1-C4)alkenylene bond, the cyclopentadienyl ring or the
fused ring containing the cyclopentadienyl ring of Cp? and L1 are further substituted with at least one selected from a group consisting of (C1-C20)alkyl, (C3-C20)cycloalkyl, (C6-C30)aryl,
(C2-C20)alkenyl, and (C6-C30)aryl(C1-C20)alkyl;


in Chemical Formula 3, M2 is a Group 4 transition metal in the Periodic Table of Elements;

n is an integer of 1 or 2, and when n is 2, R1(s) are the same as or different from each other;

R1 is hydrogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C3-C20)cycloalkyl, (C1-C20)alkyl(C6-C30)aryl, (C6-C30)aryl, (C6-C30)ar(C1-C20)alkyl,
((C1-C20)alkyl(C6-C30)aryl)(C1-C20)alkyl, -NRkR1, -SiRmRnRo, or 5- to 7-membered N-heterocycloalkyl containing at least one nitrogen atom;

R2 and R3 each are independently, hydrogen, (C1-C20)alkyl, (C1-C20)alkoxy, halo(C1-C20)alkyl, (C3-C20)cycloalkyl, (C1-C20)aIkyl(C6-C30)aryl,
(C6-C30)aryl, (C6-C30)aryloxy, (C1-C20)alkyl(C6-C30)aryloxy, (C6-C30)ar(C1-C20)alkyl, ((C1-C20)alkyl(C6-C30)aryl)(C1-C20)alkyl,
-NRkR1, or -SiRmRnRo;

R4, R5, R10, R11, and R12 each are independently(C1-C20)alkyl, halo(C1-C20)alkyl, (C3-C20)cycloalkyl, (C1-C20)alkyl(C6-C30)aryl, (C6-C30)aryl, (C1-C20)alkoxy(C6-C30)aryl,
(C6-C30)ar(C1-C20)alkyl, ((C1-C20)alkyl(C6-C30)aryl)(C1-C20)alkyl, -NRkR1, or -SiRmRnRo;
R6, R7, R8, and R9 each are independently hydrogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C3-C20)cycloalkyl, (C1-C20)alkoxy, (C6-C30)aryl, (C1-C20)alkyl(C6-C30)aryl,
(C6-C30)ar(C1-C20)alkyl, ((C1 -C20)alkyl(C6-C30)aryl)(C1-C20)alkyl, (C1-C20)alkoxy(C6-C30)aryl, (C6-C30)aryloxy, (C1-C20)alkyl(C6-C30)aryloxy,
N-carbazolyl, -NRkR1, or -SiRmRnRo or linked to substitucnt adjacent thereto via (C1-C5)alkylene to form a ring, at least one CH2- of alkylene may be substituted by a hetero atom selected from -O-, -S-, and NR'-, and alkylene may be further substituted
with (C1-C20)alkyl;

R'and Rk to RO each are independently (C1-C20)alkyl or (C6-C30)aryl; and

X1, and X2 each are independently halogen, (C1-C20)alkyl, (C2-C20)alkenyl, (C3-C20)cycloalkyl, (C6-C30)aryl, (C6-C30)ar(C1-C20)alkyl,
((C1-C20)alkyl(C6-C30)aryl)(C1-C20)alkyl, (C1-C20)alkoxy, (C6-C30)aryloxy, (C1-C20)alkyl(C6-C30)aryloxy, (C1-C20)alkoxy(C6-C30)aryloxy
or (C1-C20)alkylidene.

US Pat. No. 9,257,660

METHOD FOR FABRICATING SINGLE ELECTRON TRANSISTOR HAVING NANOPARTICLES OF UNIFORM PATTERN ARRANGEMENT

SK INNOVATION CO., LTD., ...

18. A method of semiconductor fabrication, comprising:
forming a substrate with a channel region;
forming a porous mask with a plurality of pores in a channel region that selectively exposes the substrate;
forming linkers on the channel region of the substrate, which is selectively exposed by the porous mask;
bonding metal ions to the linkers; and
forming metallic nanoparticles from the metal ions, the metal ions being previously bonded to the linkers formed on the substrate
prior to forming the metallic nanoparticles.

US Pat. No. 9,096,718

METHOD FOR IMPROVING THERMAL STABILITY OF POLYPROPYLENE CARBONATE

SK Innovation Co., Ltd., ...

1. A method for preparing a polypropylene carbonate resin with improved thermal stability, comprising: reacting a polypropylene
carbonate resin having a hydroxyl group on at least one end thereof with alkyl monoisocyanates or through reactive extrusion.

US Pat. No. 9,099,755

LITHIUM SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. A lithium secondary battery, comprising:
an electrode group, including a first electrode, a second electrode, and a separator disposed between the first electrode
and the second electrode;

a first electrode tab connected to the first electrode; and
a second electrode tab connected to the second electrode, wherein the first electrode tab includes a first portion connected
to the first electrode and a second portion, and a width of the first portion is less than a width of the second portion,

wherein the first electrode has a tab junction protruding from a side of the first electrode to be connected to the first
portion, and the tab junction is an uncoated portion on which electrode active material is not coated, the tab junction having
an active material border between a portion on which the electrode active material is formed and a portion on which the electrode
active material is not formed, the width of the tab junction is equal to or larger than the width of the first portion, the
width of the tab junction of the first electrode is less than a width of the second portion, and a ratio of the width of the
first portion to the width of the second portion ranges from 0.35 to 0.6.

US Pat. No. 9,437,703

NON-VOLATILE MEMORY DEVICE INCLUDING NANO FLOATING GATE WITH NANOPARTICLE AND METHOD FOR FABRICATING THE SAME

SK INNOVATION CO., LTD., ...

1. A method for fabricating a non-volatile memory device, comprising:
forming a tunneling insulation layer over a substrate; and
forming a floating gate for charging and discharging of charges over the tunneling insulation layer,
wherein the forming of the floating gate comprises:
forming a linker layer including linkers over the tunneling insulation layer;
forming metal ions over the linker layer; and
forming metallic nanoparticles by growing from the metal ions,
wherein the metallic nanoparticles are formed through reduction and growth of the metal ions being formed over the linker
layer over the tunneling insulation layer prior to forming the metallic nanoparticles.

US Pat. No. 9,127,215

METHOD FOR REDUCING THE AMOUNT OF ORGANIC ACIDS IN A HYDROCARBON OIL FRACTION

SK INNOVATION CO., LTD., ...

1. A method of reducing an amount of an organic acid in a hydrocarbon oil fraction, comprising the step of:
hydrogenating the hydrocarbon oil fraction using a hydrogen gas supplied at a H2/oil ratio of about 1-100 (NL/L) in the presence of a hydrogenation catalyst under conditions of a temperature of about 300-400°
C. and a pressure of about 3-15 kg·f/cm2,

wherein the hydrogen gas is a gas mixture comprising about 25-75 wt % of hydrogen,
wherein the hydrogenation catalyst is a spent catalyst having activity among catalysts employed in a refining process, and
wherein the amount of the organic acid in the hydrocarbon oil fraction is reduced by about 70% or more.
US Pat. No. 9,376,353

METHOD OF PRODUCING AROMATIC HYDROCARBONS AND OLEFIN FROM HYDROCARBONACEOUS OILS COMPRISING LARGE AMOUNTS OF POLYCYCLIC AROMATIC COMPOUNDS

SK Innovation Co., Ltd., ...

1. A method of producing an aromatic hydrocarbon and an olefin, comprising:
(a) subjecting an oil including a large amount of a polycyclic aromatic compound having two or more rings to partial hydrogenation
under reaction conditions of 310˜360° C., 50˜70 atm, and LHSV (Liquid Hourly Space Velocity) of 0.7˜1.0 hr?1 using a hydrogenation catalyst, to obtaining a partially hydrogenated component with one aromatic ring;

(b) subjecting the partially hydrogenated component obtained in (a) to catalytic cracking using a catalytic cracking catalyst,
to obtain a catalytically cracked component, wherein the catalytic cracking catalyst is provided in the form of a combination
of a zeolite molecular sieve having a large pore size of 6.5Å or more and a zeolite molecular sieve having a medium pore size
of 5˜6.5Å, and the weight ratio of the zeolite molecular sieve having a large pore size to the zeolite molecular sieve having
a medium pore size is 5/95˜95/5; and

(c) separating the catalytic cracked component obtained in (b) into (i) benzene, toluene, xylene and a C9+ aromatic hydrocarbon,
(ii) an olefin component, and (iii) a residual oil.

US Pat. No. 9,214,650

BATTERY MODULE CASE

SK INNOVATION CO., LTD., ...

1. A battery module case comprising: each sub-battery module slidably mounted in a vertical or horizontal direction; and formed
in an assembly type structure to be coupled to outer peripheral surfaces of the sub-battery modules,
wherein each sub-battery module includes one or more battery cells, electrode tabs extending in one direction from the respective
battery cells, and a pouched type case consisting of aluminum laminate sheets for covering remaining surfaces of the battery
cells, except for the surfaces on which the electrode tabs are formed,

the outer peripheral surfaces include surfaces on which the electrode tabs are formed, and
at least two or more sub-battery modules are stacked and arranged in parallel, such that the surfaces on which the electrode
tabs are formed are aligned in the same direction,

the battery module case includes:
an upper housing coupled to surfaces on which the electrode tabs of the sub-battery module are formed;
a lower housing formed in a shape in which two surfaces are orthogonal to each other, and in which a plurality of partition
wall parts are formed on an inner side surface thereof so that each sub-battery module is slidably mounted in a vertical or
horizontal direction, and the opposite side surface to the surface on which the electrode tabs of the sub-battery module are
formed and one outer peripheral surface adjacent thereto are coupled to each other; and

a side surface housing coupled to a remaining outer peripheral surface which is not coupled by the upper and lower housings,
wherein the upper, the lower, and the side surface housings are coupled to each other.

US Pat. No. 9,515,431

DEVICE FOR CONNECTING BATTERY MODULE ELECTRODE TERMINAL AND TERMINAL

SK Innovation Co., Ltd., ...

1. An apparatus for connecting between an electrode terminal of a battery module and a terminal comprising:
a socket terminal having a plurality of elastic contactors extendedly formed at one side of a cylindrical body thereof so
as to be spaced apart from each other by a predetermined distance in a circumferential direction and inserted onto and closely
adhered to an outer side of the electrode terminal protruding from one side of the battery module; and

a socket enclosing an outer side of the socket terminal and coupled to the socket terminal so as to be closely adhered thereto
and having the terminal coupled to one side thereof,

wherein the electrode terminal and the terminal are electrically connected to each other by the socket terminal and the socket,
and

wherein the socket has hooking protrusions protruding on an inner peripheral surface thereof, and the socket terminal has
a plurality of coupling holes formed in the body thereof, the hooking protrusions being inserted into and fixed to the coupling
holes.

US Pat. No. 9,487,640

PLASTICIZERS FOR RESIN COMPOSITIONS AND RESIN COMPOSITIONS INCLUDING THE SAME

SK INNOVATION CO., LTD., ...

1. A resin composition comprising:
a polyalkylene carbonate resin; and
a plasticizer represented by the following Formula 4:

wherein,
R8 is straight- or side-chained C1-C8 alkylene, C5-C10 cycloaliphatic alkylene or C6-C12 arylene, R9 and R10 are each independently a straight- or side-chained C1-C18 alkyl group, a C5-C10 cycloaliphatic alkyl group or a C6-C12 aryl
group, and p is 1 to 40, and

the resin composition has an elongation of 405% to 495%.
US Pat. No. 9,315,665

METHOD FOR PREPARING RESIN COMPOSITION FOR EXPANDABLE POLYPROPYLENE CARBONATE AND EXPANDABLE POLYPROPYLENE CARBONATE PREPARED THEREFROM

SK Innovation Co., Ltd., ...

1. A method for preparing a resin composition for an expandable polypropylene carbonate, the method comprising:
1) providing components consisting of polypropylene carbonate resin (a1), a thermoplastic resin (a2), a compatibilizer (B),
a cross-linking agent, a chain extender, or a mixture thereof (C), an inorganic material (D), and a heat stabilizer (E);

2) cross-linking the polypropylene carbonate resin (a1), the thermoplastic resin (a2), and the cross-linking agent, the chain
extender, or the mixture thereof (C) provided in step 1); and

3) mixing the obtained material in step 1), step 2) and the compatibilizer (B), the inorganic material (D), and the heat stabilizer
(E) provided in step 1) with one another,

wherein the compatibilizer (B) compatibilizes between the polypropylene carbonate resin (a1) and the thermoplastic resin (a2).
US Pat. No. 9,623,640

MULTILAYER SEPARATOR WITH SUPERIOR PERMEABILITY

SK Innovation Co., Ltd., ...

2. The method of claim 1, wherein in the manufacturing of the precursor film, the molding is performed in a range in which a draw down ratio is 100
to 450, wherein the draw down ratio, DDR, is defined by the following equation:
DDR=D/t×1000,

where,
D is the die gap in mm; and
t is the thickness of film in ?m.

US Pat. No. 9,382,334

OPTICAL FILM

SK Innovation Co., Ltd., ...

1. An optical film comprising a cellulose ester resin in which some hydrogen atoms of hydroxyl groups of cellulose are substituted
with two kinds of acyl groups selected from an acetyl group and a propionyl group, or an acetyl group and a butyryl group,
and some hydrogen atoms of the other hydroxyl groups not substituted with the acyl groups are substituted with substituents
selected from Chemical Formula 1 or Chemical Formula 2:

(In Chemical Formula 1, R1, R2 and R3 each are independently selected from the group consisting of H, (C1-C10)alkyl, and (C6-C30)aryl; and the alkyl and aryl may
be further substituted with at least one of (C1-C10)alkyl, halogen, nitro, cyano, hydroxyl, amino, (C6-C30)aryl, (C2-C10)alkenyl,
(C3-C20)cycloalkyl, 5-membered to 7-membered heterocycloalkyl containing at least one atom selected from N, O, and S, or (C4-C30)heteroaryl
containing at least one atom selected from N, O, and S),


(In Chemical Formula 2, R4 and R5 each are independently selected from the group consisting of (C1-C10)alkyl and (C6-C30)aryl; and the alkyl and aryl may be
further substituted with at least one of (C1-C10)alkyl, halogen, nitro, cyano, hydroxyl, amino, (C6-C30)aryl, (C2-C10)alkenyl,
(C3-C20)cycloalkyl, 5-membered to 7-membered heterocycloalkyl containing at least one atom selected from N, O, and S, or (C4-C30)heteroaryl
containing at least one atom selected from N, O, and S),

wherein the optical film includes a cellulose ester resin in which substitution degrees of the acyl groups satisfy Equations
1 and 3, or Equations 2 and 4 below and a substitution degree of a substituent selected from Chemical Formula 1 or Chemical
Formula 2 is 0.01˜1.0:

1.9?DSac+DSpr<2.8  [Equation 1]

1.9?DSac+DSbu<2.8  [Equation 2]

1.8?DSpr<2.7  [Equation 3]

1.6?DSbu<2.7  [Equation 4]

(In Equations 1 to 4, DSac means substitution degree of acetyl group, DSpr means substitution degree of propionyl group, and
DSbu means substitution degree of butyryl group).

US Pat. No. 9,232,660

FLEXIBLE METAL CLAD LAMINATE AND MANUFACTURING METHOD THEREOF

SK Innovation Co., Ltd., ...

1. A flexible metal clad laminate comprising:
a metal foil; and
a multilayered polyimide film comprising a first polyimide layer having a glass transition temperature of 300° C. or less
and disposed on the metal foil, a second polyimide layer disposed on the first polyimide layer and a third polyimide layer
disposed on the second polyimide layer,

the multilayered polyimide film satisfying following Equation 1,
C2 of thermal linear expansion of the second polyimide layer, and C3 represents a coefficient of thermal linear expansion of
the third polyimide layer.

US Pat. No. 9,976,098

METHOD FOR PREPARING HIGH-QUALITY LUBRICANT FROM BIOMASS-DERIVED FATTY ACID

SK INNOVATION CO., LTD., ...

1. A method for producing a lubricant base oil from a biomass-derived fatty acid, comprising:a) providing biomass-derived mixed fatty acids;
b) decarbonylating the mixed fatty acids to produce mixed olefins, wherein a double bond is formed at an alpha position in the mixed olefins, and the double bond is shifted toward the center of carbon chains to produce internal olefins;
c) oligomerizing the mixed olefins to produce an olefinic lubricant base oil; and
d) performing hydrogenation to remove olefins in the olefinic lubricant base oil,
wherein the step b) is carried out in presence of a transition metal-chelate catalyst, the transition metal being one or more selected from transition metals in Groups 8 to 10 on Periodic Table, a chelator being a phosphine ligand,
wherein the transition metal-chelate catalyst contains triphenylphosphine or diphenyl phosphine-C4˜7 paraffin as a chelator, and further either or both of CO and halogen as a ligand, and an acid anhydride is introduced to a reaction system during the decarbonylation under a CO or N2 atmosphere,
wherein olefins in the mixed olefins of step b) are fewer by one in the number of carbon atoms than corresponding fatty acids in the mixed fatty acids of step a).

US Pat. No. 9,496,570

APPARATUS FOR CONTROLLING FUEL CELL HEATING VALUE

SK INNOVATION CO., LTD., ...

1. An apparatus for controlling a heating value of a fuel cell having a plurality of fuel cell stacks mechanically connected
to each other, the fuel cell stacks receiving fuel and air, the apparatus comprising:
a plurality of stack condition sensors sensing conditions of the respective fuel cell stacks; and
a control unit configured such that, based on conditions of the fuel cell stacks sensed by the stack condition sensors, when
at least one conditioning target stack having a heating value that is out of a preset heating value threshold range is sensed,
at least one conditioning target stack group including the sensed at least one conditioning target stack is formed, and the
at least one conditioning target stack group is connected to the corresponding heating value conditioning unit of at least
two heating value conditioning units.

US Pat. No. 9,550,174

MIXED MANGANESE FERRITE COATED CATALYST, METHOD OF PREPARING THE SAME, AND METHOD OF PREPARING 1,3-BUTADIENE USING THE SAME

SK INNOVATION CO., LTD, ...

1. A method of preparing a mixed manganese ferrite coated catalyst for use in preparing 1,3-butadiene, comprising:
a) co-precipitating a precursor aqueous solution comprising a manganese precursor and an iron precursor while being mixed
in a basic solution, thus forming a co-precipitated solution;

b) washing and filtering the co-precipitated solution, thus obtaining a solid sample of mixed manganese ferrite which is then
dried at 70˜200° C.;

c) mixing the dried solid sample of mixed manganese ferrite, a binder of alumina, distilled water and an acid at a weight
ratio of 1:1˜1,5: 8˜10:0.4˜0.6 at room temperature, thus obtaining a mixture, wherein said alumina is boehmite and the acid
is selected from the group consisting of nitric acid, sulfuric acid, hydrochloric acid and phosphoric acid; and

d) adding a support to the mixture obtained in c) and then performing blending and drying, wherein said drying is performed
at 50˜80° C., and the support is silicon carbide.

US Pat. No. 9,379,557

APPARATUS AND METHOD FOR BATTERY BALANCING

SK INNOVATION CO., LTD., ...

1. An apparatus for battery balancing, comprising:
a power conditioning system:
a plurality of batteries connected with the power conditioning system in parallel;
relays disposed between the power conditioning system and the batteries in series; and
a manager connected to the power conditioning system, the batteries, and the relays, respectively and monitoring voltages
of each battery, communicating with the power conditioning system when the batteries of which the voltage unbalance is sensed
occur, determining the batteries to be balanced among the batteries of which the voltage unbalance is sensed, and determining
a balancing mode to control the relays and transmitting a state of the battery to the power conditioning system,

wherein the power conditioning system is configured to convert power into a predetermined output for battery balancing when
receiving balancing request information by communicating with the manager.

US Pat. No. 9,359,690

PROCESS FOR GROWING SILICON CARBIDE SINGLE CRYSTAL AND DEVICE FOR THE SAME

SK Innovation Co., Ltd., ...

1. A device for manufacturing a silicon carbide single crystal using a solution growth process, which includes a crucible
receiving a Si-C alloy solution in a growth furnace and a seed crystal fixed shaft including a seed crystal substrate for
growing silicon carbide in a growth furnace, comprising: a silicon feed unit feeding a silicon feedstock into the crucible,
wherein the silicon feed unit includes a feed tube having a tube shape formed through at least a portion of the seed crystal
fixed shaft.

US Pat. No. 9,203,075

BATTERY PACK INCLUDING OVERCURRENT PROTECTOR

SK INNOVATION CO., LTD., ...

1. A battery pack including an overcurrent protector, comprising:
a plurality of battery cells (100) having a pair of electrode tabs (110) configured of a positive electrode tab (111) and a negative electrode tab (112) each disposed at sides thereof and arranged in parallel;

a connector (200) interposed between the electrode tabs (110) of the battery cells (100) adjacent to each other and having a connection member (220) electrically connecting the electrode tabs (110);

a voltage sensing line (300) connected to one side of the connector (200); and

a fuse (400) disposed in the connector (200) and having one side connected to the connection member (220) of the connector (200) and the other side connected to the voltage sensing line (300) to electrically connect the electrode tab (110) of the battery cell (100) to the voltage sensing line (300)

wherein
the connector (200) is provided with an insertion groove (230) in which the fuse (400) is fixed, and

the connector (200) has a pair of holders (240) formed at both sides of the insertion groove (230) and the holders (240) are each electrically connected to the connection member (220) of the connector (200) and the voltage sensing line (300).

US Pat. No. 9,203,069

SECONDARY BATTERY

SK INNOVATION CO., LTD., ...

1. A secondary battery comprising:
a battery cell having a cathode tab and an anode tab protrudedly formed at one side thereof;
a pouch enclosing and sealing the battery cell so that the cathode tab and the anode tab of the battery cell are exposed to
the outside; and

a shape memory alloy provided in the pouch and formed in a plate shape in which a length thereof is longer than a width thereof
with a bent part so that the shape memory alloy is partially bent,

wherein the shape memory alloy is formed in such a manner that, on the basis of the bent part, one side thereof having a long
length contacts one surface of the pouch and the other side thereof having a short length contacts the other surface of the
pouch, so that an outer surface of the shape memory alloy folded contacts both inner surfaces of the pouch,

wherein the bent part of the shape memory alloy penetrates through and opens the pouch while being unbent when a temperature
of the battery cell increases to a specific temperature or more.

US Pat. No. 9,583,797

METHOD FOR WELDING BATTERY MODULE AND WELDED STRUCTURE

SK Innovation Co., Ltd., ...

1. A method for welding a battery module including a plurality of battery cells, each battery cell having first and second
electrode tabs made of different materials, and a voltage measurement means provided with a plurality of voltage measurement
portions made of the same material as the first electrode tab, the method comprising:
cutting some portion of the second electrode tab to form a space portion in which the corresponding portion of the first electrode
tab is exposed;

inserting the voltage measurement portion into the space portion to form a welded surface, which is formed by contacting the
exposed first electrode tab and the voltage measurement portion; and

welding the second electrode tab with the first electrode tab and the voltage measurement portion with the first electrode
tab.

US Pat. No. 9,217,057

COORDINATION COMPLEXES FOR PRODUCING POLYCARBONATE BY COPOLYMERIZATION OF CARBON DIOXIDE AND EPOXIDE USING THE SAME AS CATALYST

SK INNOVATION CO., LTD., ...

1. A complex represented by Chemical Formula 12:

wherein
p and q independently represent an integer from 1 to 19;
R26 represents primary or secondary (C1-C20)alkyl;

R27 through R29 are independently selected from (C1-C20)alkyl and (C6-C30)aryl;

Q represents (C6-C30)arylene, (C1-C20)alkylene or (C3-C20)cycloalkylene, wherein the arylene, alkylene or cycloalkylene is
optimally further substituted by a substituent selected from halogen atoms, (C1-C7)alkyl and nitro groups; and

Z1 through Z5 are independently selected from a halide ion; BF4?; ClO4?; NO3?; PF6?; HCO3?; and a (C6-C30)aryloxy anion; (C1-C20)carboxylic acid anion; (C1-C20)alkoxy anion; (C1-C20)alkylcarbonate anion; (C1-C20)alkylsulfonate
anion; (C1-C20)alkylamide anion; or (C1-C20)alkylcarbamate anion with or without at least one of halogen, nitrogen, oxygen,
silicon, sulfur and phosphorus atoms, wherein a part of Z1 through Z4 coordinated at the cobalt atom is optionally de-coordinated.

US Pat. No. 9,187,767

METHOD FOR PRODUCING HYDROCARBONS FROM BIOMASS OR ORGANIC WASTE

SK INNOVATION CO., LTD., ...

1. A method of producing hydrocarbons, comprising:
(a) subjecting biomass or organic waste to anaerobic fermentation to prepare an aqueous organic acid mixture;
(b) subjecting the aqueous organic acid mixture to ketonization using a catalyst to prepare an aqueous ketone mixture;
(c) subjecting the aqueous ketone mixture to aldol condensation and hydrogenation/hydrodeoxygenation to convert the ketone
mixture into the hydrocarbons in the presence of combined catalysts comprising a catalyst having consisting of an aldol condensation
catalyst and a hydrogenation/hydrodeoxygenation catalyst under a hydrogen atmosphere in a single reactor, the hydrocarbons
selected from the group consisting of fuel, lube base oil, and aromatics; and

(d) separating the resulting mixture of hydrocarbons and water obtained in step (c) into the hydrocarbons as an organic phase
and the water as an aqueous phase via phase separation, followed by recovering the hydrocarbons,

wherein steps (b) and (c), respectively, are performed in presence of water,
wherein the aqueous ketone mixture of step (b) is used as it is without removing water therefrom in step (c),
wherein the aldol condensation catalyst is selected from the group consisting of CeZrOx, CuZrOx, niobium oxide, zirconia, titania, and oxide mixtures thereof,

wherein the hydrogenation/hydrodeoxygenation catalyst is selected from the group consisting of Pd, Pt, Rh, Ru, Ni, NiMo, CoMo,
NiW, CoW, and mixtures thereof;

wherein the catalyst used in step (b) includes a material selected from the group consisting of MnO, CeO2, ZnO, CaO, MgO, ZrO2, BeO, SrO, BaO, K2O, Rb2O, Cs2O, Na2O, Li2O, and oxide mixtures thereof, and

wherein step (c) is performed in the presence of a single catalyst system having the aldol condensation catalyst and the hydrogenation/hydrodeoxygenation
catalyst, formed by physical mixing, molding using a binder material or double layering.

US Pat. No. 9,069,024

INSULATION RESISTANCE MEASUREMENT CIRCUIT HAVING SELF-TEST FUNCTION WITHOUT GENERATING LEAKAGE CURRENT

SK INNOVATION CO., LTD., ...

1. An insulation resistance measurement circuit comprising:
a source resistance unit including a first source resistance unit connected to a positive terminal of an insulation resistance
measurement battery and a second source resistance unit, and the second source resistance unit connected to a negative terminal
of the insulation resistance measurement battery and the first source resistance unit;

a voltage sensing unit including a first operational amplifier sensing a voltage of the first source resistance unit, as a
first voltage, and a second operational amplifier sensing a voltage of the second source resistance unit, as a second voltage;

a leakage current interrupting unit including a first switch connected to the positive terminal of the insulation resistance
measurement battery and the first source resistance unit and a second switch connected to the negative terminal of the insulation
resistance measurement battery and the second source resistance unit;

a measurement circuit testing unit including a third switch connected to the first operational amplifier and a first voltage
source, and a fourth switch connected to the second operational amplifier and a second voltage source; and

an insulation resistance measurement unit measuring insulation resistance of the insulation resistance measurement battery
through the first and second voltages,

wherein the measurement circuit testing unit opens the first and second switches and closes the third and fourth switches,
and measures the first and second voltages to determine whether or not the first and second operational amplifiers have an
error, thereby enabling self-testing.

US Pat. No. 9,530,997

PARTITION INCLUDING BUFFERING PAD DISPOSED ON FRAME FOR POUCH TYPE SECONDARY BATTERY

SK INNOVATION CO., LTD., ...

1. A partition for a pouch type secondary battery, which includes a pouch having a receiving part receiving an electrolyte
therein and a sealing part formed by sealing an outer circumference of the receiving part in order to seal the receiving part
and an electrode tab connected to one side of the pouch so as to be protruded, the partition being provided between two neighboring
pouch type secondary batteries, the partition comprising:
an electrode tab supporting part supporting the electrode tab;
a frame extended from the electrode tab supporting part, supporting the sealing part, and having the receiving part inserted
thereinto; and

a buffering pad attached to an inner side of the frame at which the receiving part is seated so as to be disposed between
the frame and the receiving part,

wherein the buffering pad has a rectangular cross-sectional shape, a part of one side of which is opened to form a depression
part, into which an inner end portion of the frame is inserted.

US Pat. No. 9,170,018

TOP-FEEDING DOUBLE-SWIRL TYPE GASIFIER

SK INNOVATION CO., LTD., ...

1. A top-feeding double-swirl type gasifier for producing synthesis gas comprising:
a feed line through which pulverized coal is supplied by nitrogen;
a distributor for dividing the pulverized coal which is fed through the feed line;
a plurality of burner nozzles for supplying the pulverized coal, divided in the distributor, and an oxidizer, to a pressure
reactor;

a swirl generator for imparting a swirling force to the oxidizer that is fed into the pressure reactor;
a porous plate made of porous material disposed at the uppermost portion of the pressure reactor such that an additional oxidizer
is supplied;

an additional swirl generator, which is provided below the porous plate, for imparting an additional swirl force; and
a slag storing container placed beneath the pressure reactor.

US Pat. No. 9,070,947

POUCH TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

SK INNOVATION CO., LTD., ...

1. A method for manufacturing a pouch type secondary battery, the method comprising: a primary sealing step of applying a
sealant to a predetermined region of circumferential surfaces of cases bonded to each other so as to integrate the cases with
each other to perform sealing, thereby forming a sealing part and non-bonded parts; a folding step of folding the non-bonded
parts toward a space therebetween to bond end portions of the non-bonded parts to each other; and a secondary sealing step
of inserting the sealant into a point at which the non-bonded parts are folded to be bonded to each other to perform sealing;
wherein the folding step includes a primary folding step of vertically bending the center parts of the non-bonded parts toward
the space between the non-bonded parts; wherein in the primary folding step, a first bending jig of which both sides of one
end portion are inclined symmetrically to each other so that a cross section increases is inserted into the space between
the non-bonded parts to support inner side surfaces of the non-bonded parts.
US Pat. No. 9,649,623

PREPARING PHOSPHORUS CONTAINING ALUMINA SUPPORT BY SOL-GEL METHOD FOR FISCHER-TROPSCH SYNTHESIS AND CATALYST PREPARATION THEREOF

Korea Research Institute ...

1. A process for preparing a phosphorus-alumina support for Fischer-Tropsch (F-T) synthesis, the process comprising:
preparing an aluminum alkoxide solution by mixing an aluminum alkoxide in an alcohol-based organic solvent;
preparing a phosphorus-containing boehmite sol by mixing 0.01-1 moles of an organic carboxylic acid with pKa of 3.5-5 and
2-12 moles of water relative to one mole of the aluminum alkoxide in the aluminum alkoxide solution relative to one mole of
the aluminum and adding 0.001-0.4 moles of a phosphorus precursor, followed by heating the solution at 80-130° C.;

preparing a powdery phosphorus-containing boehmite by distilling and drying the phosphorus-containing boehmite sol to separate
and recover alcohol; and

preparing a phosphorus-alumina support by calcining the powdery boehmite at 300-800° C.

US Pat. No. 9,062,262

PROCESS FOR 1,3-BUTADIENE SEPARATION FROM A CRUDE C4 STREAM WITH ACETYLENE CONVERTER

SK INNOVATION CO., LTD., ...

1. A method of separating 1,3-butadiene from a crude C4 stream, comprising:
(a) supplying the crude C4 stream comprising 30 to 55 wt % 1,3-butadiene and 0.5 to 2.5 wt % acetylenes into a plurality of hydrogenation reactors comprising
a first hydrogenation reactor, a second hydrogenation reactor and a third hydrogenation reactor arranged in series;

(b) selectively hydrogenating acetylenes in the crude C4 stream under liquid-phase hydrogenation conditions at a temperature of 20 to 60° C. and a pressure of 20 to 40 bar to produce
a hydrogenated C4 stream with a content of vinylacetylene of 70 wt ppm or less, in which hydrogen is supplied to each of the hydrogenation
reactors in such an amount that a molar ratio of hydrogen to acetylene in the first hydrogenation reactor, the second hydrogenation
reactor and the third hydrogenation reactor is in a range of 1.4 to 0.7, 1.0 to 0.5 and 0.2 to 1.0, respectively, based on
the content of acetylenes in the C4 stream supplied to the first reactor;

(b-1) introducing the hydrogenated C4 stream from the plurality of hydrogenation reactors into a hydrogen separator to remove unreacted hydrogen and light gas,
and then removing green oil and C5 or larger hydrocarbons using a stripping distillation column;

(c) supplying a C4 stream from the top of the stripping distillation column into an extractive distillation column along with an extraction
solvent to conduct extractive distillation;

(d) introducing a bottom stream of the extractive distillation column into a pre-separator, and then supplying a top gas stream
of the pre-separator into a solvent recovery column and supplying a bottom liquid stream of the pre-separator into a solvent
stripping column;

(e) supplying a top stream of the solvent stripping column, containing part of the extraction solvent, butadiene, and acetylenes,
into the solvent recovery column along with the top stream of the pre-separator; and

(f) introducing a top stream of the solvent recovery column, from which the extraction solvent is removed, into a purification
column to obtain 1,3-butadiene,

wherein (i) a part of the top stream of the extractive distillation column is recirculated to the first hydrogenation reactor,
(ii) both a part of the hydrogenated C4 stream passed through the plurality of hydrogenation reactors and a part of the top stream of the extractive distillation
column are recirculated to the first hydrogenation reactor, or (iii) both a part of a stream passed through the first hydrogenation
reactor and a part of the top stream of the extractive distillation column are recirculated to the first hydrogenation reactor,
in which the stream or streams recirculated in (i), (ii) or (iii) comprises C4 hydrocarbons, and are fed into the first hydrogenation reactor along with in the crude C4 stream to decrease the concentration of acetylenes in the crude C4 stream, and

wherein the method is carried out using only a single extractive distillation column.
US Pat. No. 9,203,077

POSITIVE ELECTRODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

SK INNOVATION CO., LTD., ...

1. A positive electrode active material for a lithium secondary battery comprising particles represented by the following
Chemical Formula 1 and having an average particle size of 200 nm to 1 ?m, wherein surfaces of the particles are coated with
a carbon coating layer having a thickness of 5 to 10 nm,
Li0.9Mn1-xFexPO4  [Chemical Formula 1]

where x satisfies the following Equations: 0.1 wherein the positive electrode active material has a capacity of greater than or equal to 160 mAh/g as measured at charging
and discharging voltages of 2.7 V to 4.4 V at 0.1 C.

US Pat. No. 9,115,161

PROCESS FOR PRODUCING POLYCARBONATES AND A COORDINATION COMPLEX USED THEREFOR

SK Innovation Co., Ltd., ...

1. A compound of formula (7a):

wherein
A is oxygen;
Q is trans-1,2-cyclohexylene, ethylene or substituted ethylene;
R1, R2, R4, R6, R7 and R9 are hydrogen;

R5 and R10 are each independently hydrogen, tert-butyl, methyl or isopropyl;

one or both of R3 and R8 are —[YR413-m{(CR42R43)nNR44R45R46}m]X?m or —[PR51R52?N?PR53R54R55]X?, and the other is hydrogen, methyl, isopropyl or tert-butyl;

X? is each independently halogen; C6-C20 aryloxy unsubstituted or substituted by nitro; or C1-C20 carboxy unsubstituted or substituted by halogen;

Y is C or Si;
R41, R42, R43, R44, R45, R46, R51, R52, R53, R54 and R55 are each independently hydrogen; C1-C20 alkyl; C1-C20 alkyl having one or more functional moieties selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur
and phosphorous; C2-C20 alkenyl; C2-C20 alkenyl having one or more functional moieties selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur
and phosphorous; C7-C20 alkylaryl; C7-C20 alkylaryl having one or more functional moieties selected from the group consisting of halogen, nitrogen, oxygen, silicon,
sulfur and phosphorous; C7-C20 arylalkyl; C7-C20 arylalkyl having one or more functional moieties selected from the group consisting of halogen, nitrogen, oxygen, silicon,
sulfur and phosphorous; or a metalloid radical of group XIV metal substituted by hydrocarbyl, two of R44, R45 and R46, or two of R51, R52, R53, R54 and R55 being optionally fused together to form a bridged structure;

m is an integer in the range of 1 to 3; and
n is an integer in the range of 1 to 20.

US Pat. No. 9,162,202

HIGH PERFORMANCE CHIMNEY TRAY FOR A FIXED BED REACTOR

SK Innovation Co., Ltd., ...

1. A chimney tray, comprising a tray having a plurality of through-holes, and a plurality of chimneys perpendicularly inserted
into the through-holes of the tray and having one or more outlets, wherein each of the plurality of chimneys includes a conical
lower end which is integrally formed such that it extends from a lower surface of the tray to make an angle of 10˜40° with
respect to a direction of a normal line of the tray,
wherein the outlets are formed to penetrate through the chimneys and to face each other so as to be inclined in a tangential
direction of a transverse cross section of the chimneys,

wherein outlets at one side of the chimneys and outlets at the other side thereof, which are formed to face each other, are
inclined at the same angle,

wherein the chimneys are arranged such that outlets of respective chimneys, which penetrate therethrough and face each other,
are disposed perpendicular to outlets of other chimneys adjacent thereto, which penetrate therethrough and face each other,

wherein, in order to more uniformly disperse a liquid reactant on a catalyst bed, the plurality of chimneys is arranged in
lattice form, and an imaginary line connecting the outlets of respective chimneys, which penetrate therethrough and face each
other, is orthogonal to an imaginary line connecting the outlets of the other chimneys adjacent thereto, which penetrate therethrough.

US Pat. No. 9,979,006

BATTERY PACK INCLUDING DRAINAGE SYSTEM HAVING FLOATING BODY TO CLOSE DRAINAGE HOLE

SK INNOVATION CO., LTD., ...

1. A battery pack including a drainage system, comprising:a battery pack case;
a drainage hole formed in a bottom side of the battery pack case, water inside the battery pack case being drained through the drainage hole; and
the drainage system attached to the bottom side of the battery pack case,
wherein the drainage system comprises: a body having an opened side, the opened side being attached to the bottom side of the battery pack case; a floating body accommodated inside of the body; and one or more holes formed in surfaces other than the opened side of the body, and
wherein the floating body is configured to float and close the drainage hole when water is introduced inside the drainage system through the one or more holes of the body, and the floating body has an area larger than an area of the drainage hole and is made of a material having a density lower than a density of water,
wherein the body further includes a guide part including a single rod penetrating the floating body in a vertical direction for guiding a movement of the floating body relatively to the single rod inside the drainage system.

US Pat. No. 10,026,979

APPARATUS AND METHOD FOR CONTROLLING FUEL CELL SYSTEM USING RECONFIGURABLE SWITCH NETWORK

SK INNOVATION CO., LTD., ...

1. An apparatus for controlling a fuel cell system, the apparatus comprising:multiple hot boxes, the hot box comprising:
multiple fuel cell stacks;
a connection terminal for a main power conversion system;
at least one connection terminal for an auxiliary power conversion system; and
a connection selecting switch unit connecting an output of each of the stacks in each of the hot boxes to the connection terminal for the main power conversion system, or to the at least one connection terminal for the auxiliary power conversion system;
a main power conversion system for supplying outputs of normal stacks among the multiple fuel cell stacks to a load;
at least one auxiliary power conversion system for supplying an output of at least one deteriorated stack among the multiple fuel cell stacks to a load;
at least one connection changing switch unit connecting in series or in parallel the connection terminal for the main power conversion system of any hot box to the connection terminal for the main power conversion system of an adjacent hot box, and connecting in series or in parallel the at least one connection terminal for the auxiliary power conversion system of any hot box to a corresponding connection terminal for the auxiliary power conversion system of an adjacent hot box; and
a control unit, when at least one deteriorated stack is detected, controlling the connection selecting switching unit and the at least one connection changing switch unit to disconnect an output of the at least one deteriorated stack from the main power conversion system and to connect the output of the at least one deteriorated stack to the at least one auxiliary power conversion system.

US Pat. No. 10,026,520

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. A sodium secondary battery comprising as a cathode a cathode active material comprising a sodium metal pyrophosphate having a triclinic phase and a P-1 space group and satisfying the following Chemical Formula 1:Na3.12?x2Acx1M1ay1M2by2(P2O7)2  [Chemical Formula 1]
wherein Ac is one or more elements (A) selected from the group consisting of alkali metals and alkali earth metals having a valence of c of 1 or 2; x1 is a real number of 0?x1?0.5; x2 is a product of c and x1 (x2=x1*c); M1a is one or more elements (M1) selected from the group consisting of transition metals and Groups 12 to 14 elements having a valence of a; M2b is one or more elements (M2) selected from the group consisting of transition metals and Groups 12 to 14 elements having a valence of b; a and b are identical to or different from each other, and independently of each other, an integer of 2 to 4; and y1 is a real number of 0
US Pat. No. 9,825,294

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. A method for preparing a porous positive electrode active material for a lithium secondary battery, the method comprising:
mixing and reacting raw materials including a metal aqueous solution containing a nickel source, a cobalt source, and an aluminum
source, ammonia water, sucrose as a pore forming agent, and a pH adjusting agent to prepare a positive electrode active material
precursor wherein the sucrose is present in the positive electrode active material precursor;

drying and naturally oxidizing the positive electrode active material precursor to prepare a solid positive electrode active
material precursor;

mixing a lithium salt in a solid form with the solid positive electrode active material precursor to prepare a solid mixture;
and

firing the solid mixture in air to prepare a positive electrode active material for a lithium secondary battery represented
by the following Chemical Formula 1

Li1+zNi1?x?yCoxAlyO2  [Chemical Formula 1]

(z, x, y, and 1?x?y are real numbers that satisfy the following Equations, respectively: 0?z?0.3, 0.05?x?0.3, and 0.4?1?x?y<0.95),
wherein a content of the sucrose contained in the metal aqueous solution is 5 to 30 weight %,
wherein in firing, the sucrose which is present in the solid positive electrode active material precursor is carbonized and
pores are formed in the positive electrode active material, and

wherein the positive electrode active material has a total pore volume of 6.5×10?2 to 8.0×10?2 cc/g and a specific surface area of 0.7 to 1.0 m2/g.

US Pat. No. 9,598,603

RESIN COMPOSITION FOR HIGH BARRIER PAPER-COATING

SK Innovation Co., Ltd., ...

1. A resin composition for paper-coating comprising:
30 to 40 weight %, based on the total amount of the composition, of a polyolefin-based resin including a mixture of homo polypropylene
and low-density polyethylene and 60 to 70 weight %, based on the total amount of the composition, of an aliphatic polycarbonate
resin having an average molecular weight of 30,000 to 300,000 obtained by reacting carbon dioxide with at least one epoxide
compound selected from a group consisting of (C2-C10)alkylene oxide substituted or unsubstituted with halogen or alkoxy; (C4-C20)cycloalkylene
oxide substituted or unsubstituted with halogen or alkoxy; and (C8-C20)styrene oxide substituted or unsubstituted with halogen,
alkoxy, alkyl or aryl.

US Pat. No. 10,011,855

FRACTIONATED COUPLED APPARATUS FOR SACCHARIFYING BIOMASS AND METHOD FOR SACCHARIFYING BIOMASS USING THE SAME

SK Innovation Co., Ltd., ...

1. A method of saccharifying biomass using a fractionated coupled apparatus for saccharifying biomass, comprising:(a) mixing pretreated biomass (PTB) with a saccharifying enzyme to obtain a mixture, and passing the mixture through a first single-tubular plug-flow reactor (PFR) unit to obtain a first saccharification liquid;
(b) distributing the first saccharification liquid into a second multi-tubular PFR unit to obtain a second saccharification liquid, wherein the second multi-tubular PFR unit comprises 2-100 PFRs, each of the PFRs having a diameter smaller than that of the first single-tubular PFR unit; and
(c) at least one of:
(1) recycling a portion or all of the second saccharification liquid of the step (b) to the first single-tubular PFR unit of the step (a) using a means for recycling a portion or all of a saccharification liquid obtained in the second multi-tubular PFR unit, to the first single-tubular PFR unit;
or
(2) supplying and saccharifying the second saccharification liquid from step (b) into 2-10 PFR sets connected in series, wherein each of the PFR sets comprises:
(a) a first single-tubular plug-flow reactor (PFR) unit; and
(b) a second multi-tubular PFR unit including 2-100 PFRs, each having a diameter smaller than that of the first single-tubular PFR unit.

US Pat. No. 9,653,749

SECONDARY BATTERY AND SECONDARY BATTERY PACK HAVING THE SAME

SK Innovation Co., Ltd., ...

1. A secondary battery comprising:
a pouch;
an electrode body accommodated and sealed in the pouch;
first members provided in the pouch and provided to one side or both sides of the electrode body to support the electrode
body; and

second members provided in the pouch to be parallel to the first members, formed to be adhered between the first members and
the pouch, and convexly deformed toward the pouch according to a temperature increase to pressure the first members to be
adhered to the electrode body, wherein the second members are formed of a shape memory alloy.

US Pat. No. 9,617,499

METHOD OF PRODUCING ESTOLIDE USING LINKING AGENT

SK INNOVATION CO., LTD., ...

1. A method of producing an estolide, comprising:
a) converting biomass-derived oil into a fatty acid mixture;
b) separating the fatty acid mixture into a C16 saturated fatty acid and a C18 unsaturated fatty acid;
c) converting the C16 saturated fatty acid into a C15 or C16 linear internal olefin;
d) subjecting the C15 or C16 linear internal olefin to an estolide reaction using a linking agent, thus obtaining an estolide
A;

e) subjecting the C18 unsaturated fatty acid to partial hydrogenating to increase an amount of oleic acid; and
f) subjecting the oleic acid to an estolide reaction using a linking agent and then esterification, thus obtaining an estolide
B.

US Pat. No. 9,598,535

METHOD OF ENCAPSULATING POLY(ALKYLENE CARBONATE) AND MIXTURE PARTICLES THEREOF, AND USE THEREOF

SK Innovation Co., Ltd., ...

1. A poly(propylene carbonate) capsule in which a dissolved heterogeneous resin satisfying the following Equations 1 and 2
is applied on a surface of poly(propylene carbonate):
70?T?270  [Equation 1]
5,000?Mw?200,000  [Equation 2],
wherein T represents a melting point or a softening point in ° C., and Mw represents a weight average molecular weight in
g/mol, and

wherein the heterogeneous resin is one or a mixture of two or more selected from, poly(butylene adipate-co-butylene-terephthalate),
poly(butylene succinate), poly(butylene succinate-co-butylene adipate), cellulose acetate, triacetate cellulose, polyvinylpyrrolidone,
starch, styrenebutadienestyrene, acrylonitrilebutadienestyrene, styrenemaleic anhydride, polylactic acid, and a copolymer
of lactide-glycolide.

US Pat. No. 9,714,209

ESTOLIDE COMPOUND AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. A method for preparing an estolide compound, comprising:
converting biomass fat into a fatty acid;
separating the fatty acid into a C16 saturated fatty acid and a C18 unsaturated fatty acid;

preparing a linear internal olefin (LIO);
increasing an amount of oleic acid through partial hydrogenation of the C18 unsaturated fatty acid;

synthesizing an estolide polymer through cross metathesis of the oleic acid;
capping the C16 saturated fatty acid onto the estolide polymer; and

reacting the estolide polymer with the linear internal olefin.

US Pat. No. 9,663,738

PNEUMATIC CONVEYING DRYER FOR CARBON FUEL

SK Innovation Co., Ltd., ...

1. A carbon fuel pneumatic dryer in which synthesis gas generated in a reactor is fed from a bottom and cooled, comprising:
a feeding part formed as a narrow pipe, via which synthesis gas and carbon fuel are fed;
a drying part formed as a pipe having a larger diameter than the feeding part, in which the hot synthesis gas fed via the
feeding part is cooled and the moisture content of the carbon fuel is lowered; and

a conveying part formed as a pipe having a smaller diameter than the drying part such that the flow velocity of the synthesis
gas and the carbon fuel having passed the drying part is increased, wherein the conveying part includes a bend so that the
flow direction of the synthesis gas and the carbon fuel is changed;

wherein the feeding part or the drying part includes a plurality of nozzle units that are installed on its outer circumferential
surface in the tangential direction and are upwardly inclined toward the drying part to inject carbon fuel therein.

US Pat. No. 10,132,768

GAS SENSOR AND METHOD FOR MANUFACTURING SAME

SK INNOVATION CO., LTD., ...

1. A method for manufacturing a gas sensor, the method comprising:forming a pair of photoresist electrodes spaced apart from each other and a photoresist wire connecting upper portions of the pair of photoresist electrodes to each other by exposing and developing a first photoresist coated on a substrate;
forming a pair of carbon electrodes and a carbon wire that are connected to be integrated with each other, by pyrolyzing the pair of photoresist electrodes and the photoresist wire; and
forming metal oxide nanowires on a surface of the carbon wire,
wherein the forming of the metal oxide nanowires on a surface of the carbon wire includes:
forming a metal oxide seed on the surface of the carbon wire; and
forming the metal oxide nanowires on the surface of the carbon wire by growing the metal oxide seed,
wherein the forming of the metal oxide nanowires on the surface of the carbon wire by growing the metal oxide seed includes:
growing single crystal metal oxide nanowires from the metal oxide seed by inserting the carbon wire on which the metal oxide seed is formed into an autoclave including a metal oxide aqueous solution and heating the autoclave.

US Pat. No. 9,994,869

METHOD FOR PRODUCING ISOPRENE USING RECOMBINANT HALOPHILIC METHANOTROPH

SK Innovation Co., Ltd., ...

1. A recombinant methanotroph having an ability to produce isoprene, into which a gene encoding an isoprene synthase having the amino acid sequence of SEQ ID NO: 1 is introduced.

US Pat. No. 9,755,270

SODIUM SECONDARY BATTERY INCLUDING GRAPHITE FELT HAVING PORE CHANNELS FORMED THEREIN

SK Innovation Co., Ltd., ...

1. A sodium secondary battery comprising:
a sodium ion conductive solid electrolyte separating an anode space and a cathode space from each other;
an anode positioned in the anode space and containing sodium;
a cathode solution positioned in the cathode space; and
a cathode immersed in the cathode solution, said cathode comprising a body of porous graphite felt which includes, in addition
to pores of the porous graphite felt, open channels having openings formed on a surface of the body of porous graphite felt
facing the solid electrolyte.

US Pat. No. 9,947,977

ANODE FOR LITHIUM SECONDARY BATTERY, FABRICATING METHOD THEREOF AND LITHIUM AIR BATTERY HAVING THE SAME

SK INNOVATION CO., LTD., ...

1. An anode for a lithium secondary battery comprising:a current collector;
a lithium metal laminated on the current collector;
a separator containing an electrolyte laminated on the lithium metal;
a solid electrolyte laminated on the separator; and
a sealing part sealing a circumferential side of a laminate in which the current collector, the lithium metal, the separator and the solid electrolyte are laminated,
wherein the sealing part is closely adhered to the circumferential side of the laminate in which the current collector, the lithium metal, the separator and the solid electrolyte are laminated.

US Pat. No. 9,640,785

EMBEDDED FRAME FOR POUCH-TYPE SECONDARY BATTERY AND SECONDARY BATTERY HAVING EMBEDDED FRAME

SK INNOVATION CO., LTD., ...

1. An embedded frame for a pouch-type secondary battery,
wherein the embedded frame is configured to be installed in a pouch casing of the secondary battery,
wherein the embedded frame has a rectangular shape, configured to make close contact with an inner surface of the pouch casing,
to house an electrode assembly, and has a plurality of pores formed in the embedded frame,

wherein an adiabatic holder is provided in each of a plurality of electrode-tab depressions, the adiabatic holder preventing
heat generated from the corresponding electrode tab from being transferred to the embedded frame.

US Pat. No. 9,879,122

SUPER ABSORBENT POLYMER AND METHOD OF PREPARING THE SAME

SK INNOVATION CO., LTD., ...

1. A super-absorbent polymer having a water-retention ability (B) of 25 g/g or more while satisfying Equation 1 below:
Swollen gel rupture index=(Swollen gel rupture rate under pressure (A)/Water-retention ability (B))?1.5   [Equation 1]

wherein the swollen gel rupture rate under pressure (A) refers to a percentage of the swollen gel which is obtained by introducing
a super-absorbent polymer into a teabag, sealing the teabag, immersing the teabag in 0.9% by weight saline, swelling the polymer
for 30 minutes, dehydrating the treated product by a centrifuge under 250 G condition for 3 minutes, providing the remaining
super-absorbent swollen gel in a net having 177 micron mesh holes, sealing the open side of the net, placing the net in a
holder of the centrifuge, and rotating the net under 1500 G condition for 5 minutes to rupture the swollen gel and allow the
same to escape out of the net mesh;

the water-retention ability (B) refers to an absorbency to weight of the initial absorbent polymer, which is obtained by immersing
a super-absorbent polymer in 0.9% by weight saline, swelling the polymer for 30 minutes and partially removing water contained
in the swollen gel by a centrifuge under 250 G condition for 3 minutes.

US Pat. No. 9,847,553

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME

SK Innovation Co., Ltd., ...

1. An electrolyte for a secondary battery, comprising:
a lithium salt;
a non-aqueous organic solvent; and
a boron derivative represented by the following Chemical Formula 2:

in Chemical Formula 2,
R11 to R14 are each independently (C1-C10)alkyl substituted with at least one halogen;

A is —(CR15R16)n—, R15 and R16 are each independently hydrogen or (C1-C10)alkyl, and n is an integer of 1 to 4.

US Pat. No. 9,768,474

DETACHABLE VOLTAGE SENSING MODULE AND BATTERY DEVICE HAVING SAME

SK INNOVATION CO., LTD., ...

1. A detachable voltage sensing module, comprising:
a body having a plurality of bus bars locked thereto, the bus bars being connected to cell tabs of battery cells;
a substrate provided with a control circuit, and detachably mounted to the body;
jack terminals disposed on the substrate for connecting the battery cells to the substrate when the substrate is mounted to
the body, by being connected to one end of the respective bus bars; and

a locking means for locking the substrate to the body.
US Pat. No. 9,722,221

BATTERY CELL HAVING FRAME AND METHOD FOR MANUFACTURING THE SAME

SK Innovation Co., Ltd., ...

1. A battery cell assembly comprising:
a battery cell; and
a frame having a vertical frame portion and a horizontal frame portion with upper sides,
wherein the battery cell includes a case and a battery part inserted into the case, the case having a sealing surface formed
at a circumferential portion of an outer side thereof, into which the battery part is inserted,

wherein the frame is joined to the sealing surface of the battery cell,
wherein the frame has an inserted groove formed in a lower surface thereof, and
wherein the sealing surface of the battery cell is bent such that an end of the sealing surface faces upward, and is insertion-coupled
with the inserted groove;

wherein a gap exists between the frame and the battery cell; and
a sealing member provided within the gap to seal the gap and also cover the upper sides of the frame.
US Pat. No. 10,000,436

METHOD FOR PREPARING ORGANIC VAPOR-PHASE DEHYDRATION FEEDSTOCK

SK Innovation Co., Ltd., ...

1. A method of preparing an organic vapor-phase dehydration feedstock, comprising the steps of:(a) concentrating a fermentation broth containing a low concentration of an organic compound by direct heating at a temperature of 100° C. or lower under a vacuum thereby evaporating water only;
(b) heating a concentrated fermentation broth of the step of (a) to a temperature of 100 to 250° C. under a vacuum thereby vaporizing a remaining water and the organic compound and solidifying any remaining impurities;
(c) separating a vaporized organic compound and the remaining impurities of the step of (b); and
(d) heating a gas separated in the step of (c) to a vapor-phase dehydration reaction temperature of 300 to 500° C.
US Pat. No. 9,969,878

POLYALKYLENE CARBONATE RESIN COMPOSITION HAVING HIGH THERMAL STABILITY

SK Innovation Co., Ltd., ...

12. The polyalkylene carbonate resin composition of claim 1, wherein the curing agent is any one or a mixture of two or more selected from the group consisting of an amine-based compound, an acid anhydride-based compound, a polyamide-based compound or an amide amine-based compound, an imidazole-based compound and a mercaptan-based compound.

US Pat. No. 9,745,500

METHOD FOR PRODUCING DRILLING FLUID FROM BIOMASS-DERIVED OILS

SK Innovation Co., Ltd., ...

1. A method for producing a drilling fluid, comprising:
a) preparing mixed fatty acids from a biomass-derived oil and fat,
b) subjecting the mixed fatty acids of step a) to an estolide reaction with a light acid to give an estolide,
c) esterifying the estolide of step b) with an alcohol to afford the drilling fluid, and
d) separating the mix fatty acid-derived estolide into C18:1-, C18:2-, and C18:3-derived estolide (ester) products.

US Pat. No. 9,653,758

SURFACE TREATMENT METHOD OF SOLID ELECTROLYTE FOR SODIUM SECONDARY BATTERY

SK INNOVATION CO., LTD., ...

1. A surface treatment method of a solid electrolyte for a sodium secondary battery, comprising:
a first step of preparing a polymer solution obtained by polymerizing a first hydrocarbon-based binder having a hydroxyl group
in a molecular structure and a second, hydrocarbon-based binder having an amine group in the molecular structure, wherein
the polymerizing of the first hydrocarbon-based binder and the second hydrocarbon-based binder is performed by adding an acid
catalyst to a mixed solution including the first hydrocarbon-based binder, the second, hydrocarbon-based binder, and a pore-forming
agent;

a second step of forming a polymer film by coating the polymer solution onto one region of a surface of a sodium ion conductive
solid electrolyte; and

a third step of forming a porous carbon coating layer by carbonizing the polymer film.
US Pat. No. 9,926,331

METHOD OF PREPARING ANHYDROSUGAR ALCOHOL USING ADDITIVE FOR PROHIBITING POLYMERIZATION BY DEHYDRATION

SK Innovation Co., Ltd., ...

1. A method of preparing anhydrosugar alcohol by dehydration of sugar alcohol, the method comprising a step of adding R—OH (R: linear or branched alkyl group having carbon atoms of at least 8) which comprises one hydroxyl group and has a boiling point of 100° C. or higher, as an additive for prohibiting polymerization by the dehydration.

US Pat. No. 9,847,469

NATURAL-SUPERLATTICE-STRUCTURED THERMOELECTRIC MATERIAL

SK INNOVATION CO., LTD., ...

1. A thermoelectric material satisfying Chemical Formula 1 below and having a superlattice structure:
(MX)1+a(TX2)n  Chemical Formula 1

in Chemical Formula 1 above,
M is at least one element selected from the group consisting of Group 13, Group 14, and Group 15, T is at least one element
selected from transition metals, X is a chalcogenide element, a is a real number satisfying 0?a?1, and n is a natural number
of 1 to 3.

US Pat. No. 9,553,337

SODIUM SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. A sodium secondary battery comprising:
an anode containing sodium;
a cathode containing a transition metal and an alkali metal halide; and
a sodium ion conductive solid electrolyte provided between the anode and the cathode,
wherein the cathode is impregnated in a molten salt electrolyte represented by the following Chemical Formula 1.
NaM(X1)n(X2)4?n  Chemical Formula 1

In Chemical Formula 1,
M is an element selected from metal and metalloid groups having an oxidation number of 3;
X1 and X2 are each independently selected from halogen elements; and

n is more than 0 but less than 4 (0

US Pat. No. 10,040,733

METHOD OF RECOVERING 1,3-BUTADIENE AND METHYLETHYLKETONE FROM DEHYDRATION PRODUCTS OF 2,3-BUTANEDIOL

SK INNOVATION CO., LTD., ...

1. A method of recovering 1,3-butadiene and methylethylketone from dehydration products of 2,3-butanediol, comprising:a) dehydrating 2,3-butanediol in presence of an alkaline earth metal phosphate catalyst to provide a vapor stream comprising 1,3-butadiene, butene, methylethylketone, aldehyde, alcohol and water;
b) cooling the vapor stream, thus separating a 1,3-butadiene-rich first vapor stream and a methylethylketone-rich first liquid stream;
c) transferring the first vapor stream to a 1,3-butadiene purification unit, thus recovering 1,3-butadiene;
d) subjecting the first liquid stream to phase separation, thus obtaining a second liquid stream as an organic phase and a third liquid stream as an aqueous solution phase, separately from c);
e) separating the third liquid stream into (i) a water-rich bottom stream and (ii) a fourth liquid stream comprising a methylethylketone-water azeotropic mixture as an overhead stream;
f) combining the second liquid stream and the fourth liquid stream, and removing water from the combined liquid stream, thus obtaining a fifth liquid stream, wherein f) is performed using an entrainer in an azeotropic distillation column, so that water is removed as an overhead stream and the fifth liquid stream is obtained as a bottom stream; and
g) recovering methylethylketone from the fifth liquid stream.

US Pat. No. 9,909,076

INTEGRATED DRYING AND GASIFICATION PROCESS FOR SIMULTANEOUSLY PRODUCING SYNTHETIC GAS AND HIGH RANK COAL

SK INNOVATION CO., LTD., ...

1. A gasification method of co-producing synthesis gas and high-quality coal, comprising the steps of:
a) supplying low-quality water-containing coal to a dryer;
b) drying the low-quality water-containing coal in the dryer, in which thermal energy necessary for drying the low-quality
water-containing coal is supplied in contact with synthesis gas recycled to the dryer from a gasification step;

c) separating dried coal and synthesis gas discharged from the dryer using solid-gas separation and then recovering the separated
synthesis gas;

d) transferring target amounts of the separated dried coal to a gasifier in a fluidic state using a loop seal type transfer
means to which aeration gas is supplied by a plurality of ports and simultaneously recovering a high-quality dried coal which
is not transferred to the gasifier;

e) gasifying the transferred dried coal in the gasifier to prepare synthesis gas; and
f) directly recycling the synthesis gas of 400 to 1500° C. discharged from the gasifier without passing the synthesis gas
through a heat exchanger(s),

wherein the dryer provides a drying capacity necessary for producing the dried coal separated and recovered from the low-quality
water-containing coal and the dried coal transferred to the gasification step.

US Pat. No. 9,780,380

CURRENT COLLECTOR FOR BATTERY AND SECONDARY BATTERY COMPRISING THE SAME

SK INNOVATION CO., LTD., ...

1. A sodium secondary battery comprising:
an anode containing sodium;
a cathode solution;
a sodium ion conductive solid electrolyte separating the anode and the cathode solution from each other; and
a cathode current collector immersed into the cathode solution and spaced apart from the sodium ion conductive solid electrolyte,
wherein the cathode current collector comprises: a conductive substrate and an insulator laminated on a surface of the conductive
substrate;

wherein the insulator is formed of a polymer and formed with a plurality of open pore channels penetrating through the insulator,
the cathode solution is filled inside the open pore channels, and a portion of the surface of the conductive substrate is
exposed to and directly contacts with the cathode solution by the open pore channels, and

wherein the cathode solution contains: a metal halide, which is a halide of at least one metal selected from the group consisting
of transition metals and Groups 12 to 14 metals; and a solvent dissolving the metal halide.

US Pat. No. 9,559,370

LITHIUM AIR BATTERY SYSTEM

SK Innovation Co., Ltd., ...

1. A lithium air battery system, comprising:
a lithium air battery;
a gas intake pipe into which a mixed gas of electrolyte solvent steam evaporated in the lithium air battery and air is introduced;
a reactor having a space part disposed therein and connected to the gas intake pipe to introduce the mixed gas of electrolyte
solvent steam and air into the space part;

an electrolyte solvent filter part disposed inside the reactor to separate an electrolyte solvent from the mixed gas;
a recovery part communicating with the space part of the reactor and disposed under the reactor; and
a lithium air battery electrolyte solvent recovery apparatus including an electrolyte solvent transfer pipe which transfers
the electrolyte solvent separated from the mixed gas to the recovery part to the lithium air battery.

US Pat. No. 10,030,223

APPARATUS AND METHOD FOR SIMULTANEOUS OPERATION OF REFINING CELLULOSIC BIOMASS AND MIXING ENZYMES

SK Innovation Co., Ltd., ...

1. An enzyme mixing-biomass refining apparatus comprising: (a) a cylindrical housing comprising an extruder and a rotatable screw mounted in the housing, wherein one side of the housing is connected to a feedstock feeding unit, and an outlet provided at the other side of the housing is connected to a biomass inlet of a refiner; and (b) the refiner comprising: a stator disc having a cooling water unit formed on the outer peripheral surface thereof, one or more enzyme feeding holes provided in a refining region thereof, and a biomass inlet provided at the central portion thereof; and a refining disc which is provided so as to form a gap with the inner surface of the stator disc and to have a refining region opposite to that of the stator disc and is rotated by a separate motor,wherein the biomass inlet is disposed at an axial center of the stator disc,
wherein the holes are penetratingly disposed at a distance of 0.5-10 cm inward from the circumference of the stator disc in a direction from the circumference to the axial center of the stator disc, and
wherein the cooling water unit maintaining the temperature of a gap formed between the stator disc and the refining disc disposed opposite thereto between 40° C. and 80° C. is disposed so as to be brought into contact with the outer peripheral surface of the stator disc.

US Pat. No. 9,932,242

METHOD FOR MANUFACTURING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. A method for manufacturing a cathode active material for a lithium secondary battery, comprising:gelling a precursor aqueous solution containing a lithium precursor, a transition metal precursor, and an organic acid containing a carboxyl group to prepare a precursor gel having Fourier transform infrared (FTIR) spectroscopy spectrum satisfying the following Equation 2 by the definition of the following Equation 1, and
heat-treating the precursor gel:0.640?C.I.?0.763  (Equation 2)
wherein in Equation 1 above, % Transmittance (1700) means transmittance of a peak located at a wavenumber from 1,700 to 1,710 cm?1 in FTIR spectrum of the precursor gel and % Transmittance (1550) means transmittance of a peak located at a wavenumber from 1,550 to 1,610 cm?1 in the same FTIR spectrum,
wherein gelling the precursor aqueous solution is performed at 60 to 90° C. under a pressure of 100 mbar to 300 mbar.

US Pat. No. 9,556,392

GASIFICATION COMBINED FACILITY FOR CARBON FUEL INCLUDING PNEUMATIC CONVEYING DRYER

SK INNOVATION CO., LTD, ...

1. An integrated gasification apparatus for carbonaceous fuel, comprising:
a gasifier to react carbonaceous fuel and a gasification agent to produce a syngas, wherein the gasifier includes a heat exchanger;
a flash dryer to lower a water content of the carbonaceous fuel containing water fed into the flash dryer using high-pressure
steam produced in the heat exchanger; and

a water gas shift reactor to produce hydrogen and carbon dioxide from the steam discharged from the flash dryer and the syngas,
wherein the flash dryer comprises a high-pressure feeder for feeding the carbonaceous fuel, a dryer tube for feeding the steam,
a cyclone for separating the steam and the carbonaceous fuel, a filter for separating fine particles from the steam separated
by the cyclone, and a storage tank for storing the carbonaceous fuel.

US Pat. No. 10,130,931

SUPER ABSORBENT POLYMER AND METHOD OF PREPARING THE SAME

SK INNOVATION CO., LTD., ...

1. A granular super absorbent polymer, comprising particles (A) having an average diameter of 150 to 850 ?m,wherein the particles (A) have extractables comprising first extractables and second extractables, and the particles (A) include:
a first set of particles having an average diameter of 500 to 850 ?m, the first set of particles having the first extractables; and
a second set of particles having an average diameter of 150 to 250 ?m, the second set of particles having the second extractables,
wherein the first and second sets of the particles have a water-solubility index of 0.08 to 2.0, which is represented by Equation 1 below:
Water-solubility index=positive square root of [(A1?A2)2/A3]  [Equation 1]
wherein A1 is a weight ratio of the first extractables to a total weight of the first set of particles, A2 is a weight ratio of the second extractables to a total weight of the second set of particles, and A3 is a weight ratio of a total weight of the extractables in the particles (A) to a total weight of the particles (A).

US Pat. No. 9,625,381

SENSOR INCLUDING NANOSTRUCTURE AND METHOD FOR FABRICATING THE SAME

SK INNOVATION CO., LTD., ...

1. A sensor, comprising:
a nanostructure as a sensing element for sensing a marker over a substrate,
wherein the nanostructure comprises:
a linker layer, including linkers, bonded to the substrate;
metallic nanoparticles formed over the linker layer and grown from metal ions which are bonded to the linkers over the substrate;
and

an organic surfactant of one or more kinds bonded to a surface of the metal ions or the metallic nanoparticles, wherein the
organic surfactant controls size of the metallic nanoparticles.

US Pat. No. 9,996,007

POLYMER FOR PREPARING RESIST UNDERLAYER FILM, RESIST UNDERLAYER FILM COMPOSITION CONTAINING THE POLYMER AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING THE COMPOSITION

SK Innovation Co., Ltd., ...

12. A method for manufacturing semiconductor device comprising:1) forming a resist underlayer film by applying and heating the resist underlayer film composition of claim 5 on a substrate;
2) forming a photoresist film on the resist underlayer film of step 1);
3) forming photoresist patterns by exposing and developing the photoresist film of step 2);
4) etching the resist underlayer film by using the photoresist patterns of step 3) as an etching mask to thereby expose the substrate in a form of the patterns; and
5) etching an exposed part of the substrate,
wherein the exposing is performed by using at least one selected from the group consisting of far-ultraviolet rays, electron beam, X-ray, and ion beam, and
wherein the development is performed by using an alkaline aqueous solution.

US Pat. No. 9,771,453

PROCESS OF PRODUCING POLYCARBONATE BY COPOLYMERIZATION OF CARBON DIOXIDE AND EPOXIDE USING THE SAME AS CATALYST

SK Innovation Co., Ltd., ...

1. A method for preparing polycarbonate, comprising carrying out copolymerization of an epoxide compound with carbon dioxide
using a complex represented by Chemical Formula 6:

wherein
A1 and A2 independently represent an oxygen or sulfur atom;

Xb and Xc independently represents 2,4-dinitrophenolate or BF4?;

R62 and R64 are independently selected from tert-butyl, methyl, ethyl, isopropyl and hydrogen, and R61 and R63 independently represent —[CH{(CH2)3N+Bu3}2] or —[CMe{(CH2)3N+Bu3}2];

b+c?1 represents 4; and
A3 represents —CH?N-Q-N?CH— and Q represents trans-1,2-cyclohexylene or ethylene as a catalyst.

US Pat. No. 9,688,936

LUBE BASE OIL COMPRISING X-TYPE DIESTER ACID DIMER AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. A preparation method of a lube base oil, the method comprising:
converting biomass fat to a fatty acid;
separating a C18 unsaturated fatty acid from the fatty acid;
maximizing an oleic acid content through partial hydrotreating of the C18 unsaturated fatty acid;
synthesizing an oligomer which is a dimer or a higher-order oligomer through an oligomerization of the oleic acid; and
esterifying the oligomer,
wherein the lube base oil includes an x-type diester dimer represented by the following Chemical Formula 1:

where in the Chemical Formula 1, R represents an alkyl group, a ketone group, an aldehyde group or an ester group having 1
to 12 carbons.

US Pat. No. 9,564,624

MICROPOROUS COMPOSITE FILM WITH HIGH THERMOSTABLE ORGANIC/INORGANIC COATING LAYER

SK Innovation Co., Ltd., ...

1. A microporous composite film having a coating layer with a thickness of 3 to 8 ?m and a porosity of 25 to 60% formed on
at least one surface of a microporous polyolefin film, the coating layer simultaneously including a high thermostable polymer
resin having a melting temperature or glass transition temperature of 170° C. to 500° C. and inorganic particles having a
porosity of 40 to 80%, wherein the microporous composite film has the following properties:
1) an area shrinkage (170° C., 1 hr) is 10% or less;
2) a tensile modulus in each of a machine direction and a transverse direction at 130° C. is 0.5 MPa to 7.0 MPa;
3) a ratio between permeability of the microporous composite film (CCSp) and permeability of the microporous polyolefin film (Sp) is 1.1?CCSp/Sp?3.5;

4) a permeability of the microporous composite film is 450 sec or less; and
5) a ratio between an average pore diameter of the microporous polyolefin film (Sps1) before the formation of the coating layer and an average pore diameter of the microporous polyolefin film (Sps2) measured after removing the coating layer from the microporous composite film is 1.01?Sps1/Sps2?1.5.

US Pat. No. 9,595,744

CLOSED-LOOP COOLING DEVICE FOR BATTERIES

SK Innovation Co., Ltd., ...

1. A closed-loop cooling device for batteries, comprising:
a battery module;
a blower fan sucking gas present inside the battery module and discharging the gas through an exhaust port;
a loop duct connected to the exhaust port at one end thereof and an intake port at another end thereof so as to deliver the
gas discharged through the exhaust port;

an inlet duct including the intake port and connected to the battery module to introduce the gas into the battery module;
a housing covering the battery module, the exhaust port, the blower fan, the intake port, and the inlet duct, and a portion
of the loop duct and sealed to prevent outer air from being introduced thereinto;

a heat exchanger disposed in the loop duct to cool the gas; and
a pipe connected to the heat exchanger and through which a cooling fluid flows to cool the heat exchanger,
wherein the loop duct has an inner portion which is disposed in the housing and a protruding portion which is protruded outside
the housing, the heat exchanger is disposed in the protruding portion of the loop duct to form moisture generated due to the
heat exchanger outside the housing, a boundary between the housing and the protruding portion of the loop duct is sealed.

US Pat. No. 10,023,817

INTEGRATED DRYING AND GASIFICATION PROCESS FOR SIMULTANEOUSLY PRODUCING SYNTHETIC GAS AND HIGH RANK COAL

SK INNOVATION CO., LTD., ...

1. An integrated drying and gasification system, comprising:a gasifier;
a dryer disposed in front of the gasifier to dry low-quality water-containing coal in contact with synthesis gas recycled from the gasifier and then discharge dried coal and synthesis gas;
a solid-gas separator for separating the dried coal and synthesis gas discharged from the dryer;
a recovery unit for separating and recovering a part of the dried coal separated by the solid-gas separator; and
a loop seal type transfer unit transferring target amounts of the separated dried coal to the gasifier in a fluidic state and including a plurality of aeration gas inlets,
wherein the synthesis gas discharged from the gasifier is directly recycled to the dryer without passing through a heat exchanger, and the dryer provides a drying capacity necessary for producing the dried coal separated and recovered from the low-quality water-containing coal and the dried coal transferred to the gasification step.

US Pat. No. 9,728,766

POUCH TYPE LITHIUM SECONDARY BATTERY HAVING TUBULAR PASSAGE STRUCTURE

SK Innovation Co., LTD., ...

1. A pouch type lithium secondary battery having a tubular passage structure, comprising:
a tubular passage structure having a passage of injecting an electrolyte from an outer portion of a pouch and discharging
gas from an inner portion of the pouch by communicating the inner portion of the pouch with the outer portion of the pouch,

wherein the tubular passage structure includes:
a wing-shaped body part inserted between sealing parts of the pouch to attach both surfaces of the body part to the sealing
part; and

a hollow part penetrated through the body part to communicate the inner portion of the pouch with the outer portion of the
pouch.

US Pat. No. 9,620,753

BATTERY

SK INNOVATION CO., LTD., ...

1. A battery comprising:
a first sub battery module including a first battery cell, an electrode tab extended from the first battery cell in one direction,
and a first pouch enclosing the first battery cell;

a first battery module case surrounding and protecting the first sub battery module, the first battery module case having
a first flat plate,

a second sub battery module including a second battery cell, an electrode tab extended from the second battery cell in one
direction, and a second pouch enclosing the second battery cell; and

a second battery module case surrounding and protecting the second sub battery module, the second battery module case having
a second flat plate,

wherein the first sub battery module and the second sub battery module are arranged in way that the first flat plate and the
second flat plate are in parallel and face each other,

wherein the first flat plate protrudes at a predetermined region thereof toward the second flat plate to form a first concave
seating groove having a first inner space open toward the first pouch, and the second flat plate protrudes at a predetermined
region thereof toward the first flat plate to form a second concave seating groove having a second inner space open toward
the second pouch, the second concave seating groove being spaced apart from the first concave seating groove; and

wherein a first cutting unit is disposed inside the first inner space, a cutting edge of the first cutting unit being toward
the first pouch, and a second cutting unit is disposed inside the second inner space, a cutting edge of the second cutting
unit being toward the second pouch.

US Pat. No. 10,014,511

BATTERY MODULE AND ELECTRODE TAB ULTRASONIC WAVE WELDING METHOD

SK Innovation Co., Ltd., ...

1. A battery module including at least two battery cells and electrode tabs being extended from the battery cells and welded to each other by ultrasonic wave welding, the battery module comprising:extensions of the electrode tabs including a first extension being extended upwardly from the battery cell in a direction parallel with the battery cell and a second extension being extended so as to be bent downwardly from an end of the first extension, wherein the extension includes at least two of each of the first extension and the second extension;
a welding portion in which the second extension is again bent upwardly to form a welding surface in a direction parallel with the battery cell; and
a dummy tap in which one side is welded to the welding surface of the electrode tab of the battery module and another side is welded to a welding surface of an electrode tab of an adjacent battery module,
wherein each electrode tab adjacent to each other and welded to each other is bent in a direction facing each other, and
wherein the dummy tap is bent at least once.

US Pat. No. 9,853,273

MICRO-POROUS HYBRID FILM HAVING ELECTRO-CHEMICAL STABILITY AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. A micro-porous hybrid film comprising a coating layer formed on one surface or two surfaces of a micro-porous film, the
coating layer being prepared from component(s) comprising one or more polymers comprising at least one maleic anhydride group
or salt thereof,
wherein a contact angle of water upon a surface of the coating layer satisfies the following Equation 1:
90°?initial contact angle; and
70°?contact angle after 30 seconds.  [Equation 1]
US Pat. No. 9,745,606

MICROALGAE AURANTIOCHYTRIUM SP. LA3 (KCTC12685BP) AND METHOD FOR PREPARING BIO-OIL USING THE SAME

SK Innovation Co., Ltd., ...

1. A method of preparing bio-oil, the method comprising the steps of:
(1) culturing microalgae Aurantiochytrium sp. LA3 (KCTC 12685BP); and

(2) extracting and separating bio-oil containing omega-3 unsaturated fatty acid from the cultured microalgae.

US Pat. No. 9,742,032

COMPOUND AND ELECTROLYTE OF LITHIUM SECONDARY BATTERY CONTAINING THE SAME

SK Innovation Co., Ltd., ...

1. An electrolyte for a secondary battery comprising:
a lithium salt;
a non-aqueous organic solvent; and
a compound represented by the following Chemical Formula 1:

(In Chemical Formula 1,
R1 to R4 are each independently hydrogen, cyano, halo(C1-C10)alkyl, (C1-C10)alkyl, (C 1-C10)alkoxy, or (C1-C10)alkoxycarbonyl; and

A is a single bond or —(CR3R4)n—, n being an integer of 1 to 3

wherein at least one of the R1 and R2 is (C1-C10)alkoxycarbonyl or halo(C1-C10)alkyl; and

at least one of the R3 and R4 is (C1-C10)alkoxycarbonyl or halo(C1-C10)alkyl).

US Pat. No. 9,718,959

ALIPHATIC POLYCARBONATE-POLYURETHANE COMPOSITION AND ALIPHATIC POLYCARBONATE-POLYURETHANE RESIN

SK Innovation Co., Ltd., ...

1. A polymer composition comprising:
a crosslinked aliphatic polycarbonate having a weight average molecular weight of 30,000 to 250,000 g/mol and produced by
reacting carbon dioxide with one or more epoxide compounds; and

a polyurethane penetrated into the crosslinked aliphatic polycarbonate to form an interpenetrating polymer network structure.

US Pat. No. 9,553,295

BATTERY PACK

SK Innovation Co., Ltd., ...

1. A battery pack comprising:
a plurality of socket terminals having a plurality of elastic contactors extendedly formed at one side of a cylindrical body
thereof so as to be spaced apart from each other by a predetermined distance in a circumferential direction;

a plurality of sockets enclosing outer sides of the socket terminals and coupled to the socket terminals so as to be closely
adhered thereto;

a plurality of flexible bus bars having both sides coupled to a pair of sockets;
a case having the socket terminals, the sockets, and the flexible bus bars accommodated therein and fixed thereto;
a sub plate having the case coupled thereto; and
a plurality of battery modules seated in the sub plate and having electrode terminals protruding from one side thereof, the
electrode terminal being closely adhered and coupled into the socket terminals so as to be inserted into the socket terminals
to thereby be electrically connected thereto.

US Pat. No. 10,131,851

METHOD FOR REMOVING METAL FROM HYDROCARBON OIL

SK Innovation Co., Ltd., ...

1. A method of removing a metal from hydrocarbon oil, comprising:(a) supplying a feed including hydrocarbon oil;
(b) mixing the feed with an aqueous solution including a metal scavenger to prepare a first mixture;
(c) separating the first mixture into a first aqueous solution phase and a first hydrocarbon phase, and discharging the separated first aqueous solution phase;
(d) mixing the first hydrocarbon phase, separated in (c), with washing water to produce a second mixture;
(e) separating the second mixture into a second aqueous solution phase and a second hydrocarbon phase; and
(f) recovering the separated second hydrocarbon phase and recirculating the separated second aqueous solution phase back to (b),
wherein(d), the separated first hydrocarbon phase is further mixed with an additional metal scavenger, as well as the washing water,
wherein a weight ratio of the metal scavenger in (b) to the additional metal scavenger in (d) (a weight of the metal scavenger in (b)/a weight of the additional metal scavenger in (d) ranges from 1 to 4,
wherein the additional metal scavenger in (d) is different from the metal scavenger in (b).
US Pat. No. 9,850,509

OLEAGINOUS MICROORGANISM DISRUPTION PROCESS USING SUPERSONIC DISPERSER AND METHOD FOR PRODUCING BIO-OIL USING SAME

SK Innovation Co., Ltd., ...

1. A method for producing bio-oil without a separate dewatering process, comprising: cultivating oleaginous microorganism;
ultrasonically accelerating the cultivated oleaginous microorganism using gas supplied at a pressure high enough to disrupt
the oleaginous microorganism by impinging on an impinging plate; and extracting the bio-oil from the disrupted oleaginous
microorganism wherein the high pressure ranges from 0.5 to 3 MPa.

US Pat. No. 9,666,894

BATTERY MODULE AND METHOD FOR MANUFACTURING THE SAME

SK Innovation Co., Ltd., ...

1. A battery module comprising:
a) a plurality of battery cells spaced apart from each other by a predetermined interval and stacked in parallel with each
other;

b) a plurality of heat exchange members including a pair of external partition walls positioned at the outermost sides of
the stacked battery cells in a direction in which the battery cells are stacked;

c) internal partition walls which are slid between the stacked battery cells;
d) connecting parts connecting external partition walls and internal partition walls that are adjacent to one another and
connecting parts connecting internal partition walls with other internal partition walls that are adjacent to one another;

e) wherein each internal partition wall is divided into a first partition wall positioned at an upper side of the battery
cells and a second partition wall positioned at a lower side of the battery cells and separate from the first partition wall;

f) wherein the connecting parts comprise;
1) external connecting parts connecting the external partition walls and the internal partition walls adjacent to the external
partition walls;

2) first internal connecting parts connecting two first partition walls adjacent to each other; and

3) second internal connecting parts connecting two second partition walls adjacent to each other;

g) a filler applied onto the heat exchange members;
h) a heat exchange pipe seated in each of the connecting parts and having a heat exchange medium circulated therein;
i) wherein the first and second internal connecting parts are shifted from one another in the direction in which the battery
cells are stacked so a first internal connecting part and a second internal connecting part do not connect the same pair of
partition walls;

j) wherein each of the heat exchange members is a heat pipe formed as a flat panel;, and
k) wherein the heat exchange pipes are arranged separately from each other.

US Pat. No. 9,879,169

DRILLING OIL AND METHOD OF PREPARING THE SAME

SK INNOVATION CO., LTD., ...

15. A method of preparing drilling oil, comprising:
providing biomass-derived fat;
subjecting triglyceride in the biomass-derived fat to de-esterification, thus providing converted mixed C16 and C18 fatty
acids, mixed C16 and C18 fatty acids present in the biomass-derived fat, or a combination thereof;

individually separating a C16 fatty acid and a C18 fatty acid from the mixed C16 and C18 fatty acids; and
subjecting the separated C16 fatty acid or C18 fatty acid to decarbonylation so as to be converted into a C15 linear olefin
or a C17 linear olefin,

wherein a weight ratio of internal olefin (LIO) relative to a sum of ?-olefin (LAO) and internal olefin (LI) of mixed C15
and C17 linear olefins is at least 0.1, and

the drilling oil has (i) a flash point of 85° C. or more, (ii) a pour point of less than ?5° C., (iii) a density of 0.77˜0.81
g/cm3, and (iv) a kinematic viscosity of 1.9˜3.5 cSt (40° C.).

US Pat. No. 9,768,627

OVERCHARGE PROTECTION APPARATUS WITH MINIMIZED POWER CONSUMPTION

SK INNOVATION CO., LTD., ...

1. An overcharge protection apparatus with minimized power consumption, comprising:
a switching unit for controlling supply of voltage of a battery cell depending on an ignition-on or off state of a vehicle,
the switching unit including a first relay; and

an overcharge prevention circuit for, when the battery cell is overcharged based on the voltage of the battery cell, which
is supplied through the switching unit, turning off a main relay to interrupt supply of power to a battery module,

wherein the first relay comprises:
a first coil to which a current is applied depending on the ignition-on or off state of a vehicle; and
a first switch having a first end connected to a first electrode of the battery cell, wherein the overcharge prevention circuit
comprises:

a voltage detection unit connected between a second end of the first switch and a second electrode of the battery cell, and
configured to detect the voltage of the battery cell;

a switching diode having a first end connected to the second electrode of the battery cell, and configured to be shorted when
the voltage of the battery cell detected by the voltage detection unit is equal to or greater than a reference voltage; and

a second relay including a second coil connected between the second end of the first switch and a second end of the switching
diode, and a second switch connected between a first end of the first coil and a ground.

US Pat. No. 9,761,856

BATTERY PACK

SK Innovation Co., Ltd., ...

1. A battery pack comprising:
a plurality of battery modules stacked and arranged in parallel with each other and having electrode terminals formed at one
side thereof;

each of flexible bus bars formed by stacking a plurality of thin plates, having bent parts formed at the center of the plurality
of thin plates, and having both sides connected to electrode terminals of neighboring battery modules; and

fastening means coupled to the electrode terminals of the battery modules to electrically connect the flexible bus bars to
the electrode terminals while fixing the flexible bus bars to the electrode terminals.

US Pat. No. 9,624,448

METHOD FOR PREPARING STABILIZED HYDROCARBON OIL BLEND

SK INNOVATION CO., LTD., ...

1. A method of preparing a hydrocarbon blend by blending at least two hydrocarbon oils, comprising:
determining a stability factor of each of the at least two hydrocarbon oils; and
blending the at least two hydrocarbon oils so as to satisfy, based on the determined stability factor, a first mathematical
formula,


wherein ai is a stability factor of a hydrocarbon oil (i) in the blend, Ai is wt % of the hydrocarbon oil (i) in the blend, and n indicates a number of hydrocarbon oils in the blend and is an integer
of 2 or more,

(a) when a SPOT value of a hydrocarbon oil according to ASTM D 4740-02 is less than 2, the stability factor is determined
by a second mathematical formula,

Stability Factor(ai)=1×Bi?1
wherein Bi is a minimum amount of the hydrocarbon oil (i) to be blended with 100 g of a reference sample having SPOT 5 so as to exhibit
SPOT 1, and

(b) when a SPOT value of a hydrocarbon oil according to ASTM D 4740-02 is 2 or more, the stability factor is determined by
a third mathematical formula,

Stability Factor(ai)=?(0.025×Ti×0.01)

wherein Ti is a minimum amount of toluene to be blended with 100 g of the hydrocarbon oil (i) so as to exhibit SPOT 1.

US Pat. No. 10,153,517

SODIUM SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. A sodium secondary battery comprising: an anode containing sodium (Na); a cathode containing sulfur (S); a cathode electrolyte solution being in contact with the cathode and capable of conducting sodium ions into and from a solid electrolyte membrane; and a solid electrolyte (separator) separating the anode and the cathode electrolyte solution and having sodium ion conductivity,wherein the cathode electrolyte solution is a molten phase of a sodium salt of following Chemical Formula 2-2:
NaM(X1)n(X2)4?n  [Chemical Formula 2-2]
wherein M is an element selected from the group consisting of metals and metalloids having an oxidation number of 3; X1 and X2 are halogen elements different from each other; and n is a real number of 0 wherein the cathode electrolyte solution does not contain an organic solvent.

US Pat. No. 9,923,191

SECONDARY BATTERY AND THE DESIGN METHOD THEREOF

SK Innovation Co., Ltd., ...

1. A stack-type secondary battery comprising:
cathodes; anodes; and separators,
wherein the cathodes and anodes are alternately stacked with the separators interposed therebetween,
wherein a cathode active material of the cathode positioned in the center based on a stacked direction is different from a
cathode active material of the cathode positioned in an outermost part, based on the stacked direction, and

wherein the secondary battery has at least three divided regions including the first region including the cathode positioned
in the lowermost part, the second region including the cathode positioned in the center, and the third region including the
cathode positioned in the uppermost part, by at least one reference temperature which is a temperature between the minimum
temperature and the maximum temperature in the temperature profile per position, based on the temperature profile per position
in a stacked direction at the time of charging and discharging the battery.

US Pat. No. 9,862,611

METHOD FOR PRODUCING CARBON NANOTUBES

SK Innovation Co., Ltd., ...

1. A method for producing carbon nanotubes, comprising: supplying carbon nanotubes and catalysts to a reactor in a predetermined
order or simultaneously and fluidizing them to form a fluidized bed,
wherein a difference in minimum fluidization velocities (?V) according to the following formula 1 is not more than 5 cm/s:
Difference in minimum fluidization velocities (?V, cm/s)=|Vcat?VCNT product|  [Formula 1]

wherein Vcat is a minimum fluidization velocity of catalyst, and VCNT product is a minimum fluidization velocity of carbon nanotubes supplied to a reactor in the step of forming a fluidized bed.

US Pat. No. 9,845,280

METHOD OF PRODUCING ESTOLIDE HAVING HIGH STRUCTURAL STABILITY

SK INNOVATION CO., LTD., ...

1. A method of producing an estolide having high structural stability, comprising:
a) preparing a fatty acid mixture comprising C4 to C24 from biomass-derived oil;
b) separating the fatty acid mixture into a C16 fatty acid and a C18 fatty acid, respectively;
c) converting the separated C18 fatty acid into a C18 or C17 linear internal olefin; and
d) subjecting the C18 or C17 linear internal olefin and the separated C16 fatty acid to an estolide reaction, wherein the
estolide reaction is a crosslinking reaction of unsaturated double bonds of hydrocarbons with a fatty acid using an acid catalyst,
thus obtaining an estolide.

US Pat. No. 9,777,153

POLYALKYLENE CARBONATE RESIN COMPOSITION HAVING AN INTERPENETRATING CROSSLINKED STRUCTURE

SK Innovation Co., Ltd., ...

1. A resin composition comprising an interpenetrating polymer network comprising:
(a) an aliphatic polycarbonate having a weight average molecular weight between 30,000 and 350,000, obtained through a reaction
of carbon dioxide with at least one epoxide compound selected from the group consisting of (C2-C10)alkylene oxide substituted
or unsubstituted with halogen or alkoxy; (C4-C20)cycloalkylene oxide substituted or unsubstituted with halogen or alkoxy;
and (C8-C20)styrene oxide substituted or unsubstituted with halogen, alkoxy, alkyl or aryl,

wherein the aliphatic polycarbonate is represented by Chemical Formula 1:
wherein in Chemical Formula 1, w is an integer of 2 to 10, x is an integer of 5 to 100, y is an integer of 0 to 100, n is
an integer of 1 to 3, and R is hydrogen, (C1-C4)alkyl or —CH2—O—R? (R? is (C1-C8)alkyl); and
(b) the reaction product of:
(i) a polyol compound having a weight average molecular weight between 200 and 30,000; and
(ii) a curing agent having functional groups capable of reacting with hydroxyl functional groups of the polyol compound to
form the reaction product,

wherein the reaction product is penetrated into the aliphatic polycarbonate to form an interpenetrating network.

US Pat. No. 9,608,274

SODIUM SECONDARY BATTERY INCLUDING GRAPHITE FELT AS CURRENT COLLECTOR

SK Innovation Co., Ltd., ...

1. A sodium secondary battery comprising:
a sodium ion conductive solid electrolyte separating an anode space and a cathode space;
an anode positioned in the anode space and containing sodium; and
a cathode current collector positioned in the cathode space and containing two or more graphite felts having different porosities
stacked on top of each other in order of porosity from high to low so as for a graphite felt having a maximum porosity to
face a solid electrolyte and a decreased porosity in a thickness direction of the cathode current collector,

wherein the cathode current collector has a material migration pore provided by a stack of the two or more graphite felts
and is impregnated with catholyte positioned in the cathode space; and

wherein a porosity of the cathode current collector originated from the stack of the two or more graphite felts is maximum
on a surface facing the solid electrolyte and decreased in a thickness direction.

US Pat. No. 10,147,912

METHOD FOR MANUFACTURING BATTERY CELL AND BATTERY MODULE

SK Innovation Co., LTD., ...

1. A method of manufacturing a battery cell, the method comprising:placing a battery part between upper and lower case sheets;
applying a sealing member between the upper and the lower case sheets and around the battery part; placing the upper and the lower case sheets between a pair of compression parts, wherein at least one of the pair compression parts consists essentially of a first region having a first flat contact surface and a second region having a second flat contact surface, wherein a groove is formed in the first region so that the first flat contact surface has a narrower width than the second flat contact surface;
applying heat to the sealing member and pressing the sealing member between the pair of compression parts to form a sealing part between the upper and the lower case sheets,
wherein the sealing part includes a first bonding region and a second bonding region corresponding to the first and second flat contact surfaces, respectively,
wherein a vent part, which corresponds to the groove, is formed between the first bonding region and the battery part and between the upper and the lower case sheets, and
the sealing part in the first bonding region has a narrower width than the sealing part in the second bonding region.

US Pat. No. 9,774,018

ENERGY STORING APPARATUS

SK Innovation Co., Ltd., ...

1. An energy storage apparatus comprising:
a battery platform including a first battery, a controlling unit connected to the first battery to control the first battery,
and a first connector connected in series with one power line of the first battery; and

a battery tray including a second battery and a second connector connected to both power lines of the second battery;
wherein the first connector of the battery platform is provided with a pair of sockets, which are connected to each other
by a connecting part including a connecting socket connected to one of the pair of sockets and a slider having a through-hole
and an inclined surface, and

the second connector of the battery tray is provided with a pair of pins connected to both power lines of the second battery
and is provided with a protrusion bar which are inserted to the through-hole, contacted to the inclined surface and moves
the slider, such that the connection between the sockets of the first connector are disconnected.

US Pat. No. 9,768,401

SINGLE ELECTRON TRANSISTOR

SK INNOVATION CO., LTD., ...

1. A transistor comprising:
a channel region comprising linkers formed on a substrate, and a metallic nanoparticle grown from metal ions bonded to the
linkers;

a source region disposed at one end of the channel region;
a drain region disposed at the other end of the channel region opposite of the source region; and
a gate coupled to the channel region to control migration of at least one charges in the channel region,
wherein the channel region further comprises:
an organic surfactant bonded to the metal ions or the metallic nanoparticle and at least one of a dielectric organic material
and an inorganic oxide, which is bonded to or coated on the metallic nanoparticle.

US Pat. No. 9,725,313

METHOD FOR FABRICATING NANO STRUCTURE INCLUDING DIELECTRIC PARTICLE SUPPORTERS

SK INNOVATION CO., LTD., ...

1. A method for fabricating a nano structure, comprising:
forming dielectric particle supporters over a substrate, the dielectric particle supporters including linkers thereon;
applying metal ions to the substrate so that the metal ions are bonded to the linkers to form ion-linker assemblies; and
growing the metal ions, which are bonded to the linkers, into metallic nanoparticles to form nanoparticle-linker assemblies,
wherein the growing of the metal ions into the metallic nanoparticles includes:
applying energy to the metal ions so that the metal ions aggregate with each other to form the metallic nanoparticles,
wherein the energy is selectively or intermittently applied to keep a portion of the metal ions from being particlized.

US Pat. No. 9,695,279

POLYMER FOR PREPARING RESIST UNDERLAYER FILM, RESIST UNDERLAYER FILM COMPOSITION CONTAINING THE POLYMER AND METHOD FOR FORMING RESIST UNDERLAYER FILM USING THE COMPOSITION

SK Innovation Co., Ltd., ...

5. A resist underlayer film composition comprising:
a polymer for preparing a resist underlayer film including a repeating unit represented by Chemical Formula 1-2, 1-3, 1-4,
1-5, 1-6, 1-7, 1-8, 1-9, 1-11, 1-15, 1-16, 1-17, 1-18, 1-19, 1-20, 1-21, 1-22, 1-23, 1-24, 1-25 or 1-26 below; and

an organic solvent:

R6 is hydrogen, (C1-C10)alkyl, (C3-C10)cycloalkyl or (C6-C20)aryl, and the alkyl, cycloalkyl, or aryl of R6 may be further substituted with one or more substituents selected from the group consisting of (C1-C10)alkyl and (C6-C20)aryl.

US Pat. No. 9,595,743

BATTERY MODULE

SK Innovation Co., Ltd., ...

1. A battery module, comprising:
a plurality of battery cells which are arranged to be stacked and are electrically connected to each other;
a plurality of partitions positioned between the battery cells and having aluminum panels fixed on upper and lower surfaces
thereof;

a printed circuit board (PCB) electrically connected to the battery cell;
a bus bar electrically connected to the battery cell,
wherein the battery cell and the PCB are connected to each other by one or more voltage sensing wires positioned on the partitions
and having one side which is in contact with a bus bar of the battery cell and the other side which is in contact with a PCB
terminal formed on the PCB, and

wherein the bus bar is fixed onto the partition by inserting short bolts into a bus bar hole formed in the bus bar and a bus
bar fixing hole formed in the partition.

US Pat. No. 9,846,195

APPARATUS AND METHOD FOR ESTIMATING INTERNAL RESISTANCE OF BATTERY

SK Innovation Co., Ltd., ...

1. An apparatus for estimating internal resistance of a battery pack, comprising:
a voltage sensing unit that measures a voltage value of the battery pack;
a current sensing unit that measures a current value of the battery pack;
a temperature sensing unit that measures a temperature value of the battery pack;
at least one microcontroller on a single integrated circuit comprising a processor, memory, and programmable input/output
peripherals, the processor programmed to comprise:

(a) a condition initializing unit that initializes a current value measured in advance in the current sensing unit, a current,
and a voltage;

(b) a temperature measuring unit that stores the current value received from the current sensing unit, the voltage value received
from the voltage sensing unit, and the temperature value received from the temperature sensing unit, in an arbitrarily set
variable;

(c) a current condition judging unit that judges whether the current value measured in the current sensing unit satisfies
a preset current value condition;

(d) a current value, voltage value, and temperature value storing unit that extracts and stores in the memory a current value
in the case in which the current value measured in the current sensing unit satisfies the preset current value condition according
to the judgment of the current condition judging unit and stores the voltage value and temperature value measured together
with the current value at the time of the measurement of the current value;

(e) estimating the internal resistance of the battery pack, wherein the processor repeats a process of extracting and storing
the current value satisfying the preset current value condition according to the judgment of the current condition judging
unit and storing the voltage value and temperature value measured together with the current value at the time of the measurement
of the current value two times or more and then calculates the internal resistance of the battery pack using the current value,
the voltage value, and the temperature value stored in the current value, voltage value, and temperature value storing unit;
and

(f) comparing, for at least two internal resistance points, temperatures to determine the effect of temperature on internal
resistance of the battery; and

a battery management system for use with a vehicle controller, predicting a replacement time of the battery pack, servicing,
or for diagnosing and controlling the battery pack's state based on the estimated internal resistance of the battery.

US Pat. No. 9,696,380

RELAY CONTROL SYSTEM AND METHOD FOR CONTROLLING SAME

SK Innovation Co., Ltd., ...

1. A relay control system comprising:
a battery pack comprising a positive terminal and a negative terminal;
a first main relay comprising both terminals connected between the positive terminal of the battery pack and a first node
which is one end of a load;

a second main relay comprising both terminals connected between the negative terminal of the battery pack and a second node
which is the other end of the load;

a first pre-charge unit connected to the second main relay in parallel and comprising a series circuit configured with a first
pre-charge resistor and a first pre-charge relay;

a second pre-charge unit connected to the first main relay in parallel and comprising a series circuit configured with a second
pre-charge resistor and a second pre-charge relay; and

an operational amplifier having both terminals connected to the first and second nodes and outputting a voltage applied to
the load to an output terminal,

wherein, prior to a pre-charging period before at least one of the first and second main relays is turned on, the first pre-charge
relay is turned on and whether the first main relay and the second pre-charge relay are fused is determined according to a
voltage value output from the operational amplifier, or the second pre-charge relay is turned on and whether the second main
relay and the first pre-charge relay are fused is determined according to a voltage value output from the operational amplifier.

US Pat. No. 9,698,398

SECONDARY BATTERY MODULE

SK INNOVATION CO., LTD., ...

1. A secondary battery module comprising:
a first unit cell and a second unit cell, each unit cell having a contact surface;
a partition member disposed between the first and second unit cells, the partition member having a frame; and
an adhesive pad disposed only within the frame of the partition member so that the frame completely surrounds the adhesive
pad;

wherein the adhesive pad is coextensive and in contact with the contact surface of the first and second unit cells.

US Pat. No. 9,637,701

ESTOLIDE COMPOUND CONTAINING KETONE FUNCTIONAL GROUP AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. A method for preparing a ketone group-containing estolide compound, comprising:
converting biomass fat into a fatty acid;
separating the fatty acid into a C16 saturated fatty acid and a C18 unsaturated fatty acid;
increasing an amount of oleic acid through partial hydrogenation of the C18 unsaturated fatty acid;

synthesizing a C35 ketone through ketonization of the oleic acid; and
performing estolide bonding by capping the C16 saturated fatty acid onto the C35 ketone.

US Pat. No. 10,014,560

SECONDARY BATTERY PACK

SK Innovation Co., Ltd., ...

1. A secondary battery pack comprising:a plurality of secondary battery modules comprising a plurality of secondary battery cells stacked in parallel to each other in a vertical direction, a cover covering an uppermost surface of the secondary battery cells and a support member supporting a central portion in a horizontal direction, and a switch disposed above one side of the cover;
a housing for accommodating the secondary battery modules therein;
a Power Relay Assembly (PRA) comprising a relay electrically connected to the secondary battery cells and switches, for transmitting charging power supplied from the outside to the secondary battery cells when the relay is in a close state and changing the relay to an open state when the switch is pushed; and
a Battery Management System (BMS) for controlling the Power Relay Assembly (PRA),
wherein
the support member surrounds both the central portion in the horizontal direction of the secondary battery cells and the cover,
the central portion of the cover is fixed and the one side of the cover is lifted upward when the secondary battery cells are expanded, and the switch is pushed by the one side of the cover which is lifted.

US Pat. No. 9,991,569

BATTERY MODULE

SK Innovation Co., Ltd., ...

1. A battery module comprising:a plurality of battery cells arranged in parallel with each other so as to be spaced apart from each other by a predetermined distance;
wherein each battery cell includes:
a) a first heat-radiating plate having a first end and a second end and including a first closely adhered part therebetween closely adhered to a first surface perpendicular to a thickness direction of the battery cell, a first extension part at the first end of the first heat-radiating plate and a second extension part at the second end of the first heat-radiating plate with each extending from a respective end of the first closely adhered part;
b) a second heat-radiating plate having a first end and a second end and including a second closely adhered part therebetween closely adhered to a second surface perpendicular to a thickness direction of the battery cell, a third extension part at the first end of the second heat-radiating plate and a fourth extension part at the second part of the second heat-radiating plate with each part extending from a respective end of the second closely adhered part;
c) a first supporter interposed between and contacting the first extension part and the third extension part;
d) a second supporter interposed between and contacting the second extension part and the fourth extension part; and
e) wherein each of the first, second, third, and fourth extension parts includes a curved part and a plane part that is disposed by the curved part outwardly relative to the closely adhered part and is parallel to the respective closely adhered part such that a line extending between each pair of extension parts defines a gap with that closely adhered part,
wherein the first supporter is interposed between the plane part of the first extension part and the plane part of the third extension part,
wherein the second supporter is interposed between the plane part of the second extension part and the plane part of the fourth extension part,
wherein as a result of the gap a distance in the thickness direction between the plane part of the first extension part and the plane part of the third extension part and a distance in the thickness direction between the plane part of the second extension part and the plane part of the fourth extension part are larger than a distance in the thickness direction between the first closely adhered part and the second closely adhered part, and
wherein for at least one of the battery cells, the plane part of the first extension part is in contact with a plane part of a third extension part of an adjacent battery cell and the plane part of the second extension part is in contact with a plane part of a fourth extension part of the adjacent battery cell, so that the first and second closely adhered parts of adjacent battery cells are separated by the gaps of each battery cell and not in contact.

US Pat. No. 9,954,218

ANODE FOR SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY MANUFACTURED THEREFROM

SK Innovation Co., Ltd., ...

1. An anode for a secondary battery comprising:a first anode active material; and
a second anode active material having relatively lower hardness than that of the first anode active material,
wherein the first anode active material and the second anode active material satisfy the following Relational Formula 1, and have a volume ratio of 1:0.5˜2, and wherein the first anode active material comprises artificial graphite, and the second anode active material comprises natural graphite:
0.167 wherein Relational Formula 1, RA is an average particle size of the first anode active material, and RB is an average particle size of the second anode active material.
US Pat. No. 9,919,925

CATALYST OR PRODUCTION OF MULTI-WALLED CARBON NANOTUBES AND METHOD OF PRODUCING MULTI-WALLED CARBON NANOTUBES USING THE SAME

SK Innovation Co., Ltd., ...

1. A method for producing multi-walled carbon nanotubes, comprising:
(a) preparing a catalyst for production of multi-walled carbon nanotubes comprising a support mixture of a first support and
a second support mixed with the first support and a transition metal catalyst supported on the support mixture, wherein the
second support is magnesium oxide (MgO) and the second support is added in an amount of 5-50 wt % based on 100 wt % of the
catalyst for production of multi-walled carbon nanotubes; and

(b) reacting the catalyst for production of multi-walled carbon nanotubes with hydrocarbon gas and hydrogen gas at a temperature
of 600 to 900° C. to form multi-walled carbon nanotubes,

wherein step (a) comprises:
preparing a mixture by dissolving a Mg precursor in a solvent, adding a boehmite to the solvent containing the dissolved Mg
precursor, and mixing the boehmite with the solvent for 10-30 minutes;

preparing a support mixture by drying the prepared mixture at a temperature of 100 to 150° C. for 1-3 hours, and then heat-treating
at a temperature of 450 to 550° C. for 1-5 hours;

dissolving a transition metal catalyst precursor in a solvent; and
mixing the solvent containing the dissolved transition metal catalyst precursor with the support mixture for 10-30 minutes.

US Pat. No. 9,865,863

SAFETY APPARATUS AND PROTECTION METHOD OF SECONDARY BATTERY FOR ELECTRIC VEHICLE USING SWITCH

SK Innovation Co., Ltd., ...

1. A rupture switch comprising:
a first holding unit attached to the outside of a secondary battery for use in the electric vehicle and having holding holes
provided on one side of a folded metal piece for attaching and holding to the secondary battery for use in the electric vehicle,

a second holding unit having a holding hole provided on one end in another side of the folded metal piece for attaching and
holding to the secondary battery for use in the electric vehicle,

a third holding unit having a holding hole equipped on another end in the other side of the folded metal piece for attaching
and holding to the secondary battery for use in the electric vehicle,

a destruction unit equipped in a center portion between one side and the other side of the folded metal piece,
and a fifth switch lead and a sixth switch lead attached to the second holding unit and the third holding unit,
wherein the rupture switch is destroyed and controls a relay connecting the secondary battery with a drive motor generating
a power of the electric vehicle when the secondary battery undergoes a displacement greater than a prescribed value.

US Pat. No. 9,802,874

ETHYLENE TETRAMERIZATION CATALYST SYSTEMS AND METHOD FOR PREPARING 1-OCTENE USING THE SAME

SK Innovation Co., Ltd., ...

1. A method of preparing 1-octene by tetramizing ethylene using the following catalyst system consisting essentially of :
chromium or chromium compound,
an alkylaluminoxane cocatalyst, and
a P—C—C—P backbone structure ligand represented by Formula 1 below:
wherein R1, R2, R3 and R4 are each independently a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl
group and a substituted heterohydrocarbyl group, and each of the R1, R2, R3 and R4 has no substituent on atoms adjacent to
the atoms bonded with P atoms.

US Pat. No. 9,780,565

SYSTEM AND METHOD FOR CONTROLLING FREQUENCY

SK INNOVATION CO., LTD., ...

1. A system for controlling a frequency, the system comprising:
at least one power supplying unit generating power;
at least one systematic unit consuming the power generated from the power supplying unit;
at least one standby power unit storing the power generated from the power supplying unit and including a plurality of storage
devices, wherein the at least one standby power unit includes a controlling unit, wherein the controlling unit is configured
to determine whether an absolute value obtained by subtracting a first reference value of the state of charge (SOC) from the
respective SOC of the storage devices is a predetermined first reference value or less, and cause the storage device having
the SOC of the storage device of the first reference value or less to participate in the system for controlling the frequency;
and

at least one grid unit connecting the power supplying unit, the systematic unit, and the standby power unit to one another
and controlling a frequency of power flowing to the systematic unit.

US Pat. No. 9,711,806

DEVICE AND METHOD FOR HEATING FUEL CELL STACK AND FUEL CELL SYSTEM HAVING THE DEVICE

SK Innovation Co., Ltd., ...

1. A fuel cell system, comprising:
a power generating unit having a plurality of fuel cell stacks arranged with an interval defined between each of the stacks;
an outlet manifold unit provided below each fuel cell stack, each outlet manifold unit including:
a cathode out part through which a first reaction mixture discharged from a cathode of the associated stack passes; and
an anode out part through which a second reaction mixture discharged from an anode of the associated stack passes, wherein
for each outlet manifold unit, the anode out is separated from the cathode out part by a partition wall;

an inlet manifold unit provided on each of the stacks at a location opposed to the outlet manifold unit based on the stack,
the inlet manifold unit supplying fuel and air which are supplied from outside through a fuel supply pipe and an air supply
pipe into each stack; and

a subsidiary fuel supply unit for supplying subsidiary fuel into each cathode out manifold unit such that the subsidiary fuel
is burnt in each cathode out manifold unit so as to heat each outlet manifold unit and its associated stack.

US Pat. No. 9,660,245

BATTERY CELL

SK INNOVATION CO., LTD., ...

1. A battery cell, comprising:
an electrode assembly including a first electrode part, a second electrode part, and a separation membrane;
a first terminal and a second terminal extending in a first direction or a fourth direction which is an opposite direction
to the first direction from the first electrode part and the second electrode part, respectively;

a first lead tap and a second lead tap connected to the first terminal and the second terminal, respectively,
wherein the first lead tap extends in a second direction perpendicular to the first direction, and
wherein the second lead tap extends in a third direction opposite to the second direction; and
a case in which the electrode assembly, the first terminal, and the second terminal are accommodated, which is sealed to expose
the first lead tap and the second lead tap to the outside, and in which a sealing part sealed by coating a sealing member
on circumferential sides joined with each other is formed,

wherein the first lead tap is connected to the first terminal via a first terminal-lead tap connection, and the second lead
tap is connected to the second terminal via a second terminal-lead tap connection, and

wherein the first terminal-lead tap connection and the second terminal-lead tap connection are inside the case.

US Pat. No. 10,177,422

BATTERY MODULE

SK Innovation CO., LTD., ...

1. A battery module comprising:a case partitioned by a plurality of separation walls disposed in parallel with each other to be spaced apart from each other by a predetermined distance to form a plurality of space parts therein, each separation wall extending in a longitudinal direction of the case;
at least one battery cell included in each of the space parts of the case; and
at least one cooling member attached to an outer surface of a side wall of the case that is disposed vertically and perpendicular to the separation walls, the at least one cooling member having an inlet and an outlet and having an open side facing and attached to the outer surface of the case in such a way that the at least one cooling member and the outer surface of the case form a passage therein circulating a heat transferring medium,
wherein the at least one battery cell is a pouch type battery having a plate form,
wherein the outer surface of the case is opposite to an inner surface of the case to which parallel edges of the battery cells are disposed, and
wherein a plurality of cooling fins are protruded from an outer surface of the cooling member for receiving the heat from the heat transferring medium flowing in said passage and discharging the heat to the atmosphere.

US Pat. No. 9,909,047

METHOD OF PREPARING DRILLING FLUID AND LUBE BASE OIL USING BIOMASS-DERIVED FATTY ACID

SK INNOVATION CO., LTD., ...

1. A method of preparing a drilling fluid and lube base oil using a fatty acid derived from a biomass, comprising:
a) providing a biomass-derived fatty acid mixture, the biomass-derived fatty acid mixture containing at least 80 wt % of C16
fatty acid and C18 fatty acid, wherein a C16 fatty acid weight to C18 fatty acid weight ratio is 0.25 to 1;

b) hydrogenating the biomass-derived fatty acid mixture to give a fatty alcohol mixture;
c) dehydrating the fatty alcohol mixture to convert the fatty alcohol mixture into a C16 and C18 linear internal olefin mixture
at a conversion rate of 95 wt % or more;

d) oligomerizing the C16 and C18 linear internal olefin mixture to give olefinic lube base oil; and
e) hydrofinishing the olefinic lube base oil, yielding Group III lube base oil,
wherein the C16 and C18 linear internal olefin mixture in c) is an olefinic hydrocarbon-based drilling fluid,
wherein the dehydrating in c) is performed under conditions of a temperature 400-500° C. and a space velocity of 0.01-50 hr?1.

US Pat. No. 9,843,032

BATTERY MODULE

SK INNOVATION CO., LTD., ...

1. A battery module comprising:
two or more battery cells stacked, each battery cell including an electrode tab extended from the battery cell in one direction,
the electrode tab including an anode tab and a cathode tab;

a sensing assembly installed in a space between the anode tabs and the cathode tabs; and
a terminal including an anode terminal connected to an outmost anode tab positioned at a first outermost portion of the battery
module in a thickness direction of the battery module, but not connected to the electrode tab of a neighboring battery cell,
and a cathode terminal connected to an outmost cathode tab positioned at a second outermost portion of the battery module
in the thickness direction of the battery module, but not connected to the electrode tab of a neighboring battery cell, the
second outermost portion being opposite to the first outermost portion in the thickness direction of the battery module,

wherein the anode terminal is bonded and connected to an inner side surface only of the outmost anode tab, and the cathode
terminal is bonded and connected to an inner side surface only of the outmost cathode tab.

US Pat. No. 9,834,668

ETHYLENE-ALPHA OLEFIN-DIENE RESIN BLEND COMPOSITION AND METHOD FOR PREPARING THE SAME

SK Innovation Co., Ltd., ...

1. An EPDM resin blend composition comprising:
a first EPDM resin matrix; and
a second EPDM resin,
wherein a ratio (Mw1/Mw2) of a weight average molecular weight of the first EPDM resin matrix to a weight average molecular weight of the second EPDM
resin ranges from 0.75 to 1.33, and the second EPDM resin has a narrower molecular weight distribution (Mw/Mn) than the first EPDM resin matrix, and

wherein a variation rate of Mooney viscosity (ML (1+4) at 125° C.) of the EPDM resin blend composition with respect to a Mooney
viscosity (ML (1+4) at 125° C.) of the first EPDM resin matrix is ±10% or less.

US Pat. No. 9,782,760

METHOD OF PREPARING AN ACTIVATED EU-2 ZEOLITE

SK INNOVATION CO., LTD., ...

1. A method of preparing an activated EU-2 zeolite, comprising the steps of:
a) hydrothermally synthesizing an EU-2 zeolite; and
b) activating the EU-2 zeolite by bringing the EU-2 zeolite into contact with an aqueous alkali solution before or after calcining
the EU-2 zeolite,

wherein the activated EU-2 zeolite comprises:
pores having a diameter of 30 to 40 Å while maintaining a crystal structure of the EU-2 zeolite; and
pores having a diameter of 40 to 200 Å,
wherein a volume of the pores having a diameter of 30 to 40 Å is 0.01 to 0.06 cc/g, and a volume of the pores having a diameter
of 40 to 200 Å is 0.07 to 0.4 cc/g.

US Pat. No. 9,777,031

COMPLEX AND PREPARATION METHOD OF POLY(ALKYLENE CARBONATE) USING THE SAME

SK Innovation Co., Ltd., ...

1. A complex represented by the following Chemical Formula 1:

in Chemical Formula 1,
M is trivalent cobalt or trivalent chromium;
A is oxygen or sulfur;
Q is a diradical connecting two nitrogens;
R1 to R10 are each independently hydrogen; halogen; (C1-C20)alkyl; (C1-C20)alkyl containing one or more selected from among halogen,
nitrogen, oxygen, silicon, a sulfur and phosphorus; (C2-C20)alkenyl; (C2-C20)alkenyl containing one or more selected from
among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus atom; (C1-C20)alkyl(C6-C20)aryl; (C1-C20)alkyl(C6-C20)aryl
containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus atom; (C6-C20)aryl(C1-C20)alkyl;
(C6-C20)aryl(C1-C20)alkyl containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus;
(C1-C20)alkoxy; (C6-C30)aryloxy; formyl; (C1-C20)alkylcarbonyl; (C6-C20)arylcarbonyl; a metalloid radical of Group 14 metal
substituted with hydrocarbyl; a protonated group of the following Chemical Formula 2; a protonated group of the following
Chemical Formula 3; a protonated group of the following Chemical Formula 4; a protonated group of the following Chemical Formula
5; a protonated group of the following Chemical Formula 6; a protonated group of the following Chemical Formula 7; a protonated
group of the following Chemical Formula 8; or a protonated group of the following Chemical Formula 9;

wherein at least one or more of R1 to R10 are a protonated group selected from a group consisting of the following Chemical Formulas 2, 3, 4, 5, 6, 7, 8, and 9;


X? is halogen anion; a (C6-C20)aryloxy anion; a (C6-C20)aryloxy anion containing one or more selected from among halogen, nitrogen,
oxygen, silicon, a sulfur and phosphorus; a (C1-C20)alkylcarboxy anion; a (C1-C20)alkylcarboxy anion containing one or more
selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C6-C20)arylcarboxy anion; a (C6-C20)arylcarboxy
anion containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C1-C20)alkoxy
anion; a (C1-C20)alkoxy anion containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and
phosphorus; a (C1-C20)alkylcarbonate anion; a (C1-C20)alkylcarbonate anion containing one or more selected from among halogen,
nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C6-C20)arylcarbonate anion; a (C6-C20)arylcarbonate anion containing
one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C1-C20)alkylsulfonate anion;
a (C1-C20)alkylsulfonate anion containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and
phosphorus; a (C1-C20)alkylamido anion; a (C1-C20)alkylamido anion containing one or more selected from among halogen, nitrogen,
oxygen, silicon, a sulfur and phosphorus; a (C6-C20)arylamido anion; a (C6-C20)arylamido anion containing one or more selected
from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C1-C20)alkylcarbamate anion; a (C1-C20)alkylcarbamate
anion containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; a (C6-C20)arylcarbamate
anion; or a (C6-C20)arylcarbamate anion containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur
and phosphorus;

X? may be coordinated to M;

Y1? is F?, Cl?, Br?, I?, BF4?, ClO4?, NO3? or PF6?;

*Y22? is SO42? or CO32?;

a is an integer obtained by adding 1 to the total number of monovalent cations included in protonated groups of R1 to R10;

b is an integer of 1 or more, c is an integer of 0 or more, d is an integer of 0 or more, and b+c+2d=a is satisfied;
Z1 to Z18 are each independently an nitrogen or phosphorus;

n is an integer of 1 to 10;
m is an integer of 1 to 10;
R11 to R16, R21 to R26, R31 to R36, R41 to R48 , R51 to R57, R61 to R66, R71 to R76 and R81 to R86 are each independently hydrogen; (C1-C20)alkyl; (C1-C20)alkyl containing one or more selected from among halogen, nitrogen,
oxygen, silicon, a sulfur and phosphorus; (C2-C20)alkenyl; (C2-C20)alkenyl containing one or more selected from among halogen,
nitrogen, oxygen, silicon, a sulfur and phosphorus; (C1-C20)alkyl(C6-C20)aryl; (C1-C20)alkyl(C6-C20)aryl containing one or
more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; (C6-C20)aryl(C1-C20)alkyl; (C6-C20)aryl(C1-C20)alkyl
containing one or more selected from among halogen, nitrogen, oxygen, silicon, a sulfur and phosphorus; or a metalloid radical
of Group 14 metal substituted with hydrocarbyl; two of R11 to R16, two of R21 to R26, two of R31 to R36, two of R41 to R48, two of R51 to R57, two of R61 to R66, two of R71 to R76, and two of R81 to R86 may be linked with each other to thereby form a ring; and

wherein alkyl, alkenyl, alkylaryl, arylalkyl, alkoxy, aryloxy, alkylcarbonyl, and arylcarbonyl of R1 to R10, and alkyl, alkenyl, alkylaryl and arylalkyl of R11 to R16, R21 to R26, R31 to R36, R43 to R48, R51 to R57, R61 to R66, R71 to R76 and R81 to R86 may be further substituted with any one or more selected from halogen, (C1-C20)alkyl, (C2-C20)alkenyl, (C1-C20)alkyl(C6-C20)aryl
and (C6-C20)aryl(C1-C20)alkyl.

US Pat. No. 9,748,507

SINGLE ELECTRON TRANSISTOR HAVING NANOPARTICLES OF UNIFORM PATTERN ARRANGEMENT

SK INNOVATION CO., LTD., ...

1. A transistor comprising:
a channel region comprising linkers formed on a substrate and metallic nanoparticles grown from metal ions bonded to the linkers;
a source region disposed at one end of the channel region;
a drain region disposed at the other end of the channel region opposite of the source region; and
a gate coupled to the channel region to control migration of charges in the channel region,
wherein the metallic nanoparticles have a uniform pattern arrangement in the channel region,
wherein the channel region further comprises an organic surfactant bonded to the metal ions or the metallic nanoparticles,
including at least one of a first organic material and a second organic material.

US Pat. No. 9,761,857

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY

SK Innovation Co., Ltd., ...

1. An electrode assembly for a secondary battery, comprising:
one or more first electrode plates:
one or more second electrode plates stacked alternately with the first electrode plates;
first electrode taps extended from the first electrode plates, respectively;
second electrode taps extended from the second electrode plates, respectively;
a separator disposed between the first electrode plates and the second electrode plates; and
a spacer part integrally formed by coating a sealing memeber on lateral surfaces formed in a stacking direction of edges of
the first electrode plates and the second electrode plates.

US Pat. No. 10,038,068

NON-VOLATILE MEMORY DEVICE INCLUDING NANO FLOATING GATE

SK INNOVATION CO., LTD., ...

1. A non-volatile memory device, comprising:a floating gate, suitable for charging and discharging of charges, over a substrate,
wherein the floating gate comprises:
a linker layer formed over the substrate, and including linkers suitable for bonding to metal ions; and
metallic nanoparticles formed out of the metal ions over the linker layer,
wherein the metallic nanoparticles are grown from metal ions bonded to the linkers, and
wherein each of the metallic nanoparticles is formed by aggregating between one metal ion bonded to one linker and another metal ion bonded to another linker.

US Pat. No. 9,954,256

METHOD FOR WELDING BATTERY MODULE AND WELDED STRUCTURE

SK Innovation Co., Ltd., ...

1. A battery module comprising:a plurality of battery cells, each battery cell having first and second electrode tabs made of different materials; and
a voltage measurement means provided with a plurality of voltage measurement portions made of the same material as the first electrode tab, wherein the first and second electrode tabs are welded at a welded surface formed by contacting each other and the voltage measurement portion is welded with the first electrode tab exposed in a space portion, which is formed by cutting some portion of the second electrode tab,
wherein:
the first electrode tab includes a first contact portion and a first bent portion which is bent at an end of the first contact portion;
the second electrode tab includes a second contact portion and a second bent portion which is bent at an end of the second contact portion;
the first contact portion and the second contact portion contact each other to form a welded surface;
the first bent portion and the second bent portion are bent in opposite directions to each other; and
the voltage measurement portion has a same shape as the bent shape of the second electrode tab when the laser welding is performed.

US Pat. No. 9,786,889

ELECTRODE ASSEMBLY OF SECONDARY BATTERY

SK INNOVATION CO., LTD., ...

1. An electrode assembly of a secondary battery, comprising:
a first electrode unit and a second electrode unit;
a separation membrane interposed between the first electrode unit and the second electrode unit; and
a first coating unit having an insulating member which is coated using one coating method selected from the group consisting
of gravure coating, roll coating, and screen coating on front and rear surface edges of the first electrode unit and a portion
over a predetermined width from the front and rear surface edges of the first electrode unit toward a central side of the
first electrode unit,

wherein the first electrode unit has a rectangular plate shape and a first electrode tab for power connection protrudes in
one way or two ways of the rectangular plate, and the first coating unit is coated on the rest sides other than sides at which
the first electrode tab of the first electrode unit is present.

US Pat. No. 9,969,842

METHOD OF PREPARING POLY(ALKYLENE CARBONATE) VIA COPOLYMERIZATION OF CARBON DIOXIDE/EPOXIDE IN THE PRESENCE OF NOVEL COMPLEX

SK Innovation Co., Ltd., ...

1. A complex represented by the following Chemical Formula 1:
wherein
M is trivalent cobalt or trivalent chromium;
A is an oxygen or sulfur atom;
Q is a diradical that connects two nitrogen atoms;
X? is a halogen anion; a (C6-C20)aryloxy anion; a (C6-C20)aryloxy anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkylcarboxyl anion; a (C1-C20)alkylcarboxyl anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C6-C20)arylcarboxyl anion; a (C6-C20)arylcarboxyl anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkoxy anion; a (C1-C20)alkoxy anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkylcarbonate anion; a (C1-C20)alkylcarbonate anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C6-C20)arylcarbonate anion; a (C6-C20)arylcarbonate anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkylsulfonate anion; a (C1-C20)alkylsulfonate anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkylamido anion; a (C1-C20)alkylamido anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C6-C20)arylamido anion; a (C6-C20)arylamido anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C1-C20)alkylcarbamate anion; a (C1-C20)alkylcarbamate anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom; a (C6-C20)arylcarbamate anion; or a (C6-C20)arylcarbamate anion containing one or more selected from among a halogen atom, a nitrogen atom, an oxygen atom, a silicon atom, a sulfur atom and a phosphorus atom;
Y1? is F?, Cl?, Br?, I?, BF4?, ClO4?, NO3? or PF6?;
Y2?2 is SO4?2 or CO3?2;
a is an integer obtained by adding 1 to the total number of monovalent cations included in protonated groups of R1 to R10;
b is an integer of 1 or more, c is an integer of 0 or more, d is an integer of 0 or more, and b+c+2d=a is satisfied;
R1 to R10 are each independently hydrogen; halogen; (C1-C20)alkyl; (C1-C20)alkyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C2-C20)alkenyl; (C2-C20)alkenyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C1-C20)alkyl(C6-C20)aryl; (C1-C20)alkyl(C6-C20)aryl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C6-C20)aryl(C1-C20)alkyl; (C6-C20)aryl(C1-C20)alkyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C1-C20)alkoxy; (C6-C30)aryloxy; formyl; (C1-C20)alkylcarbonyl; (C6-C20)arylcarbonyl; a metalloid radical of Group 14 metal substituted with hydrocarbyl; a protonated group of the following Chemical Formula 2; a protonated group of the following Chemical Formula 3; a protonated group of the following Chemical Formula 5; a protonated group of the following Chemical Formula 6; or a protonated group of the following Chemical Formula 7;
wherein at least two or more of R1 to R10 are a protonated group selected from a group consisting of the following Chemical Formulas 2, 3, 5, 6 and 7;

Z1, Z3, Z4, Z6, Z7, Z8, Z9, Z11 and Z12 are each independently an nitrogen atom or a phosphorus atom;
Z2 and Z10 are each independently an oxygen atom, a sulfur atom or a methylene group (—CH2—);
n is an integer of 1 to 10;
m is an integer of 1 to 10;
R11, R12, R13, R14, R15, R21, R22, R23, R24, R25, R26, R27, R41, R42, R43, R44, R45, R51, R52, R53, R54, R55, R61, R62, R63, R64, R65, R66, R67, R71, R72, R73 and R74 are each independently hydrogen; (C1-C20)alkyl; (C1-C20)alkyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C2-C20)alkenyl; (C2-C20)alkenyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C1-C20)alkyl(C6-C20)aryl; (C1-C20)alkyl(C6-C20)aryl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; (C6-C20)aryl(C1-C20)alkyl; (C6-C20)aryl(C1-C20)alkyl containing one or more selected from the group consisting of halogen, nitrogen, oxygen, silicon, sulfur and phosphorus; or a metalloid radical of Group 14 metal substituted with hydrocarbyl.

US Pat. No. 9,669,384

WATER-ABSORBING RESIN AND PREPARING METHOD THEREOF

SK GLOBAL CHEMICAL CO., L...

1. A water-absorbing resin, having an absorbency under unload of 25 g/g or more, an absorbency under load of 20 g/g or more,
and an increase in extractables at a high temperature in a range of 1 or more but less than 3, which is represented by Equation
1 below:
Increase in extractables at a high temperature=(Content of extractables at 90° C.)/(Content of extractables at 23° C.)  [Equation
1].

US Pat. No. 10,038,069

NON-VOLATILE MEMORY DEVICE INCLUDING CHARGE TRAPPING LAYER

SK INNOVATION CO., LTD., ...

1. A non-volatile memory device, comprising:a charge trapping layer suitable for trapping charges,
wherein the charge trapping layer comprises:
a linker layer formed over a substrate, wherein the linker layer includes multiple linkers that are suitable for bonding to metal ions;
metallic nanoparticles formed out of the metal ions over the linker layer; and
a nitride covering the metallic nanoparticles,
wherein each of the metallic nanoparticles is formed by aggregating between one metal ion bonded to one linker and another metal ion bonded to another linker.

US Pat. No. 9,997,813

LITHIUM AIR BATTERY

SK INNOVATION CO., LTD., ...

1. A lithium air battery comprising:a first electrode part including a lithium metal;
a second electrode part disposed spaced apart from the first electrode part, the second electrode part including a gas diffusion layer one side of which contacts an air, a single catalyst layer formed at an other side of the gas diffusion layer, the single catalyst layer being formed of a mixture of platinum, a binder, and optionally a conductive material, a porous membrane made of a polyperfluorosulfonic acid (PFSA) resin closely adhered to the single catalyst layer so that lithium ions pass therethrough, and a microporous polyolefin-based composite film formed on the one side of the gas diffusion layer, the microporous polyolefin-based composite film including a microporous polyolefin-based film and a coating layer formed on the microporous polyolefin-based film, the coating layer containing a water-soluble polymer binder, a water-non-soluble polymer binder and an inorganic particle; and
an electrolyte part provided between the first electrode part and the second electrode part,
wherein the electrolyte part includes a separator one side of which is closely adhered on the first electrode part and containing an organic-based electrolyte, a solid electrolyte closely adhered on an other side of the separator, and a water-based electrolyte provided between the solid electrolyte and the membrane,
wherein the microporous polyolefin-based composite film, the gas diffusion layer, the single catalyst layer, and the membrane are sequentially stacked, such that the microporous polyolefin-based composite film is disposed to contact an air and the membrane is disposed to contact the water-based electrolyte, and
wherein the single catalyst layer is directly contacted with the gas diffusion layer and the membrane.

US Pat. No. 9,562,164

MICRO-POROUS POLYOLEFIN COMPOSITE FILM HAVING EXCELLENT HEAT RESISTANCE AND STABILITY AND METHOD FOR PRODUCING THE SAME

SK Innovation Co., Ltd., ...

1. A micro-porous polyolefin composite film including a single porous coating layer formed by coating or laminating a solution
containing a polymer binder and inorganic particles on a micro-porous polyolefin film as a base layer, wherein the polymer
hinder includes 54 to 86 wt % of a non-aqueous polymer having a glass transition temperature (Tg) of ?60° C. to 0° C. and
46 to 14 wt % of an aqueous polymer having a melting point (Tm) or a glass transition temperature (Tg) of 200° C. or higher
and a surface tension of 65 dyne/cm or less in a state of 0.5 wt % of an aqueous solution thereof at 20° C.,
wherein the aqueous polymer is a partially saponificated polyvinyl alcohol (PVA), a copolymer thereof, or a mixture thereof,
wherein the non-aqueous polymer includes at least one component selected from the group consisting of styrene-acrylics, styrene-butadiene,
acrylic latex, and a mixture thereof,

wherein the polymer binder comprises from 0.5 to 7.0 wt % of the solution based on the entire weight of the solution,
wherein the inorganic particle has an average diameter (D50) of 0.1 to 2 ?m, and
wherein micro-porous polyolefin composite film has the following physical properties: an adhesive strength of the single porous
coating layer with respect to the micro-porous polyolefin film is 1.5 Kgf/cm2 or greater; an adhesion retention in an electrolyte is 80% or more, a permeability (Gurley) is 30 to 500 s; and a permeability
increase ratio depending on the thickness of the single porous coating layer is 30 sec/?m or less.