US Pat. No. 9,133,549

GAS SENSOR USING METAL OXIDE NANOPARTICLES, AND METHOD FOR MANUFACTURING SAME

AMOGREENTECH CO., LTD., ...

1. A method of manufacturing a gas sensor, comprising the steps of:
preparing a solution consisting of metal oxide nanoparticles and a solvent, in which the metal oxide nanoparticles are uniformly
dispersed in the solvent; and

spraying the solution onto a sensor substrate provided with an electrode by electrostatic spraying to form a thin layer of
sensor material.

US Pat. No. 9,648,753

FLEXIBLE PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING SAME

AMOGREENTECH CO., LTD., ...

1. A method for manufacturing a flexible printed circuit board, comprising:
screen printing a circuit pattern with conductive paste on one side of a flat polyamide film; and
sintering the circuit pattern at 290° C.˜420° C.;
wherein the conductive paste is a silver paste comprising a silver powder in an amount of from 73 wt % to 88 wt %, a polymer
resin in an amount of from 5.9 wt % to 9.5 wt %, and a solvent in an amount of from 5.7 wt % to 18.0 wt %; the silver powder
ranges in mean size from 0.5 to 1.2 ?m, and the circuit pattern after the sintering has a specific resistivity in a range
of from 4.0 ??·cm to 6.5 ??·cm.

US Pat. No. 9,374,932

HYBRID INSULATION SHEET AND ELECTRONIC APPARATUS USING THE SAME

AMOGREENTECH CO., LTD., ...

1. A hybrid insulation sheet comprising:
a radiating layer that spreads and radiates heat generated from a heat generating component of an electronic apparatus; and
an insulating layer that suppresses the heat saturated in the radiating layer from being delivered to the outside of the electronic
apparatus,

wherein the radiating layer comprises a first radiating layer having a first conductivity and a second radiating layer having
a second conductivity bonded on the first radiating layer; and

wherein the first conductivity is lower than the second conductivity.

US Pat. No. 9,510,075

WATERPROOF SOUND TRANSMITTING SHEET, AND METHOD FOR PRODUCING SAME

Amogreentech Co., Ltd., ...

1. A nonporous waterproof sound-transmitting sheet, comprising:
a porous sound-transmitting layer made of a polymer material and formed in the shape of a web having a plurality of pores;
and

a nonporous coating layer formed on at least one surface of the porous sound-transmitting layer to block pores existing on
the surface of the porous sound-transmitting layer

wherein the porous sound-transmitting layer is formed by electrospinning the polymer material.

US Pat. No. 9,062,585

LARGE-CAPACITY METAL CATALYST CARRIER AND CATALYTIC CONVERTER USING SAME

AMOGREENTECH CO., LTD., ...

1. A large-capacity catalyst support comprising:
a plurality of unit catalyst support blocks being stacked, wherein each of the unit catalyst blocks comprises: a support having
a polygonal cross-section and a length; a cell formation body contained inside the support, and the cell formation body includes
a plurality of hollow cells being aligned in a longitudinal direction of the support; and a catalyst is coated on surfaces
of the hollow cells,

wherein the cell formation body comprises a central portion formed of a wound assembly of wave plate/flat plate and having
a circular cross-section, and a corner portion inserted into corners of the polygonal cross-section in the support, the wound
assembly of the wave plate/flat plate forming the plurality of the hollow cells; and

a plurality of assembly members each fixing a pair of adjacent supports that mutually contact between the stacked unit catalyst
support blocks.

US Pat. No. 9,437,355

AMORPHOUS METAL CORE, INDUCTION APPARATUS USING SAME, AND METHOD FOR MANUFACTURING SAME

AMOGREENTECH CO. LTD., (...

1. An amorphous metal core comprising;
a number of amorphous metal unit cores that include an amorphous thin plate laminate formed by laminating a number of amorphous
metal thin plates and a pair of assembly plates respectively laminated on the front and rear surfaces of the amorphous thin
plate laminate, and are configured to have an “I” shape, respectively, and form a magnetic circuit having at least one air
gap (G); and a coupling unit that separably couples two adjacent amorphous metal unit cores with each other with the at least
one air gap formed in-between and with two adjacent assembly plates of the two adjacent amorphous metal unit cores being aligned
on a plane,

wherein the coupling unit comprises:at least one coupling protrusion formed on an end of the other two adjacent assembly plates and at least one coupling recess
formed on an end of one of the two adjacent assembly plates, the at least one coupling protrusion being inserted into the
at least one coupling recess to couple the two adjacent amorphous metal unit cores,
wherein a length of the at least one coupling protrusion or a depth of the at least one coupling recess is configured to set
a predetermined interval of the air gap.

US Pat. No. 9,220,998

FILTER MEDIA FOR A LIQUID FILTER USING AN ELECTROSPUN NANOFIBER WEB, METHOD FOR MANUFACTURING SAME, AND LIQUID FILTER USING SAME

AMOGREENTECH CO., LTD., ...

1. A method of manufacturing a filter medium for a liquid filter, comprising the steps of:
dissolving a polymer material in a solvent to obtain a spinning solution;
air-electrospinning the spinning solution onto a supporter to form a layer of nanofiber on the support;
repeating the air-electrospinning to form a nanofiber web formed of multiple layers of nanofiber;
drying a surface portion of the nanofiber web by blowing air of about 30° C. at a speed of about 30 m/sec onto the surface
portion of the nanofiber web, while moving the nanofiber web at a speed of about 30 msec, to adjust remaining solvent and
moisture in the surface portion of the nanofiber web, thereby increasing strength of the surface portion of the nanofiber
web; and

heat compressing the surface portion dried-nanofiber web to adjust a porosity of the nanofiber web.

US Pat. No. 9,462,390

DIAPHRAGM FOR SPEAKER, METHOD OF MANUFACTURING SAME, AND SPEAKER

AMOGREENTECH CO., LTD., ...

1. A speaker diaphragm, the speaker diaphragm comprising:
a vibration main body made of a polymer nanofiber web and generating sound by vibration of the polymer nanofiber web; and
a plurality of pores formed on the vibration main body,
wherein the polymer nanofiber web includes a first polymer nanofiber web and a second polymer nanofiber web laminated on the
first nanofiber web, the first polymer nanofiber web being formed of a first polymer nanofiber having a first diameter and
the second polymer nanofiber web being formed of a second polymer nanofiber having a second diameter smaller than the first
diameter.

US Pat. No. 9,119,816

METHOD FOR PREVENTION OR TREATMENT OF DIABETIC ANGIOGENESIS IMPAIRMENT USING C-PEPTIDE

AMOGREENTECH CO., LTD., ...

1. A method for treatment of impaired angiogenesis caused by diabetes in a human in need thereof, comprising administering
a dose of between 2.4 ?g and 60 ?g of C-peptide to induce at least one of chemotactic migration of endothelial cells, cell
migration to wounded areas, capillary-like network formation, extracellular signal-regulated kinases (ERK) 1/2 phosphorylation,
Akt phosphorylation, and nitric oxide (NO) production in said human.

US Pat. No. 9,443,652

SOFT MAGNETIC CORE HAVING EXCELLENT HIGH-CURRENT DC BIAS CHARACTERISTICS AND CORE LOSS CHARACTERISTICS AND METHOD OF MANUFACTURING SAME

AMOGREENTECH CO., LTD., ...

1. A method of manufacturing soft magnetic cores having an excellent high current DC biased characteristic and an excellent
core loss characteristic, the method comprising the steps of:
performing a preliminary heat treatment of Fe-based amorphous metal ribbons prepared by using a rapid solidification process
(RSP) and nanocrystallizing the preliminarily heat treated Fe-based amorphous metal ribbons;

obtaining alloy powders made of nanocrystalline grains obtained by grinding the metal ribbons;
after classifying the alloy powders, mixing the alloy powders so that a particle size distribution is configured to have a
particle size of 75˜100 ?m with 10˜85 wt %, a particle size of 50˜75 ?m with 10˜70 wt %, and a particle size 5˜50 ?m with
5˜20 wt % to thereby obtain mixed powders;

obtaining a core molded body by adding the mixed powders with a binder and compression molding the mixed powders mixed with
the binder; and

performing an annealing treatment of the core molded body, and coating the annealing treated core molded body with an insulating
resin, to thus prepare the soft magnetic cores.

US Pat. No. 9,695,532

MATTE FILM AND METHOD OF MANUFACTURING THE SAME

Amogreentech Co., Ltd., ...

1. A matte film comprising:
a film layer that is formed of nano-web of fiber strands made by a spinning method of a polymer material, the polymer material
of the film layer being selected from the group consisting of polyvinylidene fluoride (PVDF), poly (vinylidene fluoride-co-hexafluoropropylene),
perfluoropolymer, polyvinyl chloride, polyvinylidene chloride, copolymers of polyvinyl chloride or polyvinylidene, a polyethylene
glycol derivative comprising polyethylene glycol dialkyl ether and polyethylene glycol dialkyl ester, poly-oxide comprising
poly (oxymethylene-oligo-oxyethylene), polyethylene oxide and polypropylene oxide, polyvinyl acetate, poly(vinylpyrrolidone-vinyl
acetate), polystyrene and polystyrene acrylonitrile copolymer, polyacrylonitrile copolymer comprising polyacrylonitrile methyl
methacrylate copolymer, polymethyl methacrylate, polymethyl methacrylate copolymer, and mixtures thereof;

an ink layer that is coated on one surface of the film layer; and
an adhesive layer that is laminated on the other surface of the film layer through an electrospinning process.

US Pat. No. 9,514,735

WATERPROOF SOUND TRANSMITTING SHEET, AND METHOD FOR PRODUCING SAME

Amogreentech Co., Ltd., ...

1. A method for producing a waterproof sound-transmitting sheet, comprising the steps of:
applying a spinning solution directly onto one surface of a support layer using electrospinning to form a waterproofing layer,
wherein the spinning solution includes a polymer material and the support layer is made of a film-shaped porous material,
and

wherein the waterproofing layer is formed in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered.

US Pat. No. 9,826,668

COMPOSITE SHEET AND PORTABLE TERMINAL HAVING SAME

AMOGREENTECH CO., LTD., ...

1. A composite sheet comprising:
a first heat insulation member having a plurality of fine pores to form air pockets for thermal insulation;
a second heat insulation member which is laminated on the first heat insulation member, and which facilitates a horizontal
direction transfer of heat conducted but suppresses a vertical direction transfer thereof; and

a heat spreader which is laminated between the first insulation member and the second heat insulation member to thus disperse
heat,

wherein the first heat insulation member is a nanofiber web or a laminated structure of a nanofiber web and a nonwoven fabric,
and the nanofiber web is formed of accumulated nanofibers made by an electrospinning process.

US Pat. No. 9,463,607

WATERPROOF SOUND-PERMITTING SHEET, METHOD OF MANUFACTURING SAME, AND ELECTRONIC DEVICE PROVIDED WITH WATERPROOF SOUND-PERMITTING SHEET

AMOGREENTECH CO., LTD., ...

1. A waterproof sound-permitting sheet comprising:
a porous nanoweb layer formed of accumulation of ultra-fine fiber strands and having a plurality of first pores, wherein the
ultra-fine fiber strands have an average diameter in a range of 0.3-1.5 ?m, the first pores have an average size in a range
of 1.5 to ?m, and the ultra-fine fiber strands are formed of a polymer material and a color pigment; and

a double-sided adhesive tape stacked along an edge of the porous nanoweb layer, wherein the double-sided adhesive tape comprises:
a substrate formed in a nanoweb form and having a plurality of second pores; a first adhesive layer formed on a first surface
of the substrate; and a second adhesive layer formed on a second surface of the substrate, the second surface being opposite
to the first surface.

US Pat. No. 9,293,749

HEAT-RESISTANT AND HIGH-TENACITY ULTRAFINE FIBROUS SEPARATION LAYER, METHOD FOR MANUFACTURING SAME, AND SECONDARY CELL USING SAME

AMOGREENTECH CO., LTD., ...

1. A heat-resistant and high-strength ultrafine fibrous porous separator manufacturing method: comprising the steps of:
air-electrospinning a mixed solution of a heat-resistant polymer material and a swelling polymer material, to thereby form
a porous web made of a heat-resistant ultrafine fiber in which the heat-resistant polymer material and the swelling polymer
material are consolidated in an ultrafine fibrous form;

performing drying to control a solvent and moisture that remain on the surface of the porous web, to thereby control the strength
and porosity of the separator; and

performing thermal compression of the dried porous web so as to obtain the separator,
wherein the air-electrospinning is performed by stirring the heat-resistant polymer material and the swelling polymer material
in a mixing tank to prevent a phase separation, until the heat-resistant polymer material and the swelling polymer material
are mixed with a solvent to then be spinned.

US Pat. No. 9,673,395

APPARATUS AND METHOD FOR FORMING ORGANIC THIN FILM AND MANUFACTURING METHOD OF ORGANIC THIN FILM DEVICE USING THE SAME

AMOGREENTECH CO., LTD., ...

1. An organic thin film forming apparatus comprising:
a solution spray unit for spraying a solution on a substrate, the substrate being spaced apart from the solution spray unit
by a predetermined distance, and the solution being formed of a solute and a solvent,

wherein the solution spray unit includes a spray nozzle connected to a solution supply unit, and the spray nozzle includes
a nozzle tip formed at a leading end thereof and directed to the substrate;

a hot gas spray unit including a housing, a temperature sensor, a heating unit, a pressure sensor, and a pressure control
unit,

wherein the housing surrounds the spray nozzle to form a space portion between the spray nozzle and the housing and includes
a spray passage formed at a bottom thereof, and

wherein the nozzle tip passes through a center portion of the spray passage and protrudes from the bottom towards the substrate
while forming an annular open passage around the nozzle tip, a hot gas being sprayed through the annular open passage, so
that the hot gas in the space portion heats the solution passing through the spray nozzle, the solution being sprayed through
the nozzle tip is divided into fine liquid droplets by the hot gas, and the solvent contained in fine liquid droplets is dried;
and

a control unit configured in such a way that the temperature sensor measures a temperature of the hot gas being supplied into
the housing, the heating unit heats the hot gas to a predetermined temperature, the pressure sensor measures a pressure of
the hot gas being supplied into the housing, and the pressure control unit adjusts the pressure of the hot gas to a predetermined
pressure.

US Pat. No. 9,729,207

HEAT DISSIPATION MEMBER AND PORTABLE TERMINAL HAVING SAME

AMOGREENTECH CO., LTD., ...

1. A heat radiation member comprising:
a heat radiation sheet configured to disperse and radiate transferred heat, and block and insulate the transferred heat; and
a passage formed in the heat radiation sheet and configured to pass a communication radio signal, wherein the passage comprises
at least one punching area penetrating the heat radiation sheet,

wherein the heat radiation sheet comprises: a heat diffusion layer configured to disperse the transferred heat in a horizontal
direction; a heat insulation layer formed on one surface of the heat diffusion layer to block and insulate the transferred
heat from being transferred in a vertical direction; and an adhesive layer formed on the other surface of the heat diffusion
layer, and

wherein the heat insulation layer is formed of a nanofiber web layer having a plurality of pores, the plurality of pores forming
a plurality of air-chamber.

US Pat. No. 9,718,994

CONDUCTIVE ADHESIVE TAPE AND MANUFACTURING METHOD THEREOF

AMOGREENTECH CO., LTD., ...

1. A conductive adhesive tape comprising:
a substrate formed of a polymer material in a nano-web form and having a number of pores, wherein the substrate is formed
by spinning the polymer material; and

an electrical conductive adhesive layer formed directly on the substrate, the electrical conductive adhesive layer being formed
of an electrical conductive adhesive material in a non-porous form, the electrical conductive adhesive material being absorbed
into and filled in the pores of the substrate, wherein the electrical conductive adhesive layer is formed by spinning the
electrical conductive adhesive material.

US Pat. No. 9,647,255

POROUS SEPARATION MEMBRANE, SECONDARY BATTERY USING SAME, AND METHOD FOR MANUFACTURING SAID SECONDARY BATTERY

AMOGREENTECH CO., LTD., ...

1. A porous separator comprising:
a porous nanofiber web that plays a role of an adhesive layer and an ion-containing layer when the porous nanofiber web is
in close contact with an opposed electrode,

wherein the porous nanofiber web comprises a plurality of nanofibers having a core-shell structure, along the longitudinal
direction thereof, wherein each of the plurality of nanofibers comprises a swellable polymer shell disposed at the outside
thereof and made of a swellable polymer that is swelled in an organic electrolytic solution, and a non-swellable polymer core
at the inside thereof and made of a non-swellable polymer.

US Pat. No. 9,457,063

METHOD FOR TREATMENT OF DIABETIC VASCULAR LEAKAGE-INDUCED DISEASE USING C-PEPTIDE

KANGWON NATIONAL UNIVERSI...

1. A method for treatment of a diabetic vascular leakage-induced disease in an animal in need thereof, comprising administering
a dose of between 2.4 ?g and 60 ?g of C-peptide consisting of an amino acid sequence selected from the group consisting of
SEQ ID NOS: 1 to 7,
wherein the C-peptide exhibits at least one of inhibitory activity against intracellular ROS generation without elevating
intracellular calcium ion (Ca2+) levels, inhibitory activity against stress-fiber formation, and inhibitory activity against
disassembly of adherens junction in said animal,

wherein the diabetic vascular leakage-induced disease is selected from the group consisting of diabetic retinopathy, diabetic
neuropathy, diabetic nephropathy, diabetic vascular dysfunction, diabetic inflammation, and a combination thereof, and

wherein the diabetic vascular leakage is retinal leakage.

US Pat. No. 9,601,740

COMPOSITE POROUS SEPARATION MEMBRANE HAVING SHUT-DOWN FUNCTION, METHOD OF MANUFACTURING SAME, AND SECONDARY BATTERIES USING SAME

AMOGREENTECH CO., LTD., ...

1. A composite porous separator having a shutdown function, the composite porous separator comprising:
(1) a porous substrate acting as a support and having a first melting point and a first porosity;
(2) a first porous polymer web layer that is formed on one side of the porous substrate, and acts as an adhesive layer when
in close contact with an opposing electrode; and

(3) a second porous polymer web layer that is formed on the other surface of the porous substrate, and is formed of nanofibers
of a heat-resistant polymer,

wherein the first porous polymer web layer and the second porous polymer web layer have a melting point higher than the first
melting point of the porous substrate and a porosity that is the same as or similar to the first porosity of the porous substrate,
respectively,

wherein the porous substrate has a thickness set in the range of 5-9 ?m, the first porous polymer web layer has a thickness
set in the range of 2-3 ?m, and the second porous polymer web layer has a thickness set in the range of 4-14 ?m.

US Pat. No. 9,949,379

FLEXIBLE PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING SAME

Amogreentech Co., Ltd., ...

1. A method for manufacturing a flexible printed circuit board, comprising:forming a circuit pattern on a substrate;
polishing the circuit pattern; and
forming a protective coating layer for covering and protecting the circuit pattern by applying a coating solution on the substrate;
wherein forming the circuit pattern comprises:
printing a conductive paste; and
firing the conductive paste,
wherein polishing the circuit pattern includes polishing a surface of the circuit pattern after firing to remove a hydrophobic portion,
wherein forming the protective coating layer includes directly applying the coating solution on the polished surface of the circuit pattern.

US Pat. No. 10,130,002

HEAT RADIATION ADHESIVE, HEAT RADIATION SHEET USING SAME, AND ELECTRONIC DEVICE HAVING SAME

AMOGREENTECH CO., LTD., ...

1. An electronic apparatus comprising:a bracket;
a display panel mounted on the bracket;
a flexible printed circuit board (FPCB) on which AP (Application Processor) IC and PM (Power Management) IC are mounted;
a removable back cover;
an inner cover for covering the bracket and the FPCB, in which the inner cover is positioned between the FPCB and the back cover;
a case provided with a universal subscriber identity module (USIM) chip and a micro memory that are provided in the inner cover; and
a heat-radiating sheet mounted on at least one of an area of a cushion layer opposite to the bracket, an area between the FPCB and the inner cover, an area of the case in which the USIM chip and the micro memory are mounted, and an area of the back cover, to thereby spread and radiate the heat generated from the heat-generating component,
wherein the heat-radiating sheet comprising: a first heat-radiating adhesive member; and a heat-radiating layer that is adhered onto the heat-radiating adhesive member, and spreads and radiates the heat generated from the heat-generating component of the electronic apparatus, and
wherein the first heat-radiating adhesive member comprising: an adhesive layer formed of a web state adhesive sheet having a plurality of pores, wherein the web state adhesive sheet is formed of thermally adhered and accumulated fibers; first thermally conductive fillers having a plate-shape and dispersed inside the adhesive layer in a horizontal direction thereof, wherein the first thermally conductive fillers are arranged in a plurality of layers spaced apart from each other, the horizontal direction being a direction perpendicular to a thickness of the adhesive layer; and second thermally conductive fillers having a spherical shape and dispersed inside the adhesive layer, wherein the second thermally conductive fillers are disposed between neighboring layers of the first thermally conductive fillers in such a way that heat generated from a heat-generating component of an electronic apparatus is transferred to the first thermally conductive fillers via the second thermally conductive filler and spread in the horizontal direction of the adhesive layer.

US Pat. No. 10,004,152

HEAT INSULATION SHEET AND METHOD OF MANUFACTURING SAME

AMOGREENTECH CO., LTD., ...

1. A heat insulation sheet consisting of:a heat insulation layer that is formed in a first nanofiber web composed of first nanofibers and having a plurality of pores by electrospinning a polymer material with low thermal conductivity, wherein the first nanofibers further comprise inorganic particles embedded therein, part of which are exposed on a surface of the first nanofibers;
an adhesive layer that is laminated on one surface of the heat insulation layer, wherein the adhesive layer is formed in a second nanofiber web composed of second nanofibers by electrospinning an adhesive material; and
a nonwoven fabric interposed between the heat insulation layer and the adhesive layer, wherein the nonwoven fabric is formed of a fiber having a double structure of a core and an outer sheath surrounding the core.

US Pat. No. 10,132,004

WATERPROOF SOUND-PERMITTING SHEET, METHOD OF MANUFACTURING SAME, AND ELECTRONIC DEVICE PROVIDED WITH WATERPROOF SOUND-PERMITTING SHEET

AMOGREENTECH CO., LTD., ...

1. A waterproof sound-permitting sheet comprising:a porous substrate layer having a plurality of first pores;
a porous nanoweb layer, which is stacked on a first surface of the porous substrate layer, has a plurality of second pores, and is formed by electrospinning a polymer material to which a color pigment is added, and the porous nanoweb layer is formed of accumulation of ultra-fine fiber strands having a diameter in a range of 0.3-1.5 urn by electrospinning the polymer material and the first pores have an average size of 2 um or less; and
a double-sided adhesive tape which is stacked along an edge of the porous nanoweb layer on a second surface opposite to the first surface of the porous substrate layer, wherein the double-sided adhesive tape comprises: a substrate layer formed in a nanoweb layer form and having a plurality of third pores, a first adhesive layer formed on a first surface of the substrate layer, the first adhesive layer being formed in a first nanoweb form made of first nanofiber strands, the first nanofiber strands being made of a first adhesive material; and a second adhesive layer formed on a second surface opposite to the first surface of the substrate layer, the second adhesive layer formed in a second nanoweb form made of second nanofiber strands, the second nanofiber strands being made of a second adhesive material.

US Pat. No. 10,072,196

METHOD OF PREPARING GRAPHENE-GRAPHENE FUSED MATERIAL AND METHOD OF PREPARING GRAPHENE-SUBSTRATE COMPOSITE USING THE SAME

AMOGREENTECH CO., LTD., ...

1. A method of preparing a graphene-graphene fused material, comprising:(a) forming a plurality of nano graphene-metal composites comprised of nano graphene and a nano metal provided on a surface of the nano graphene for bonding between the nano graphenes;
(b) forming a polydopamine layer on outer surfaces of the nano graphene-metal composites; and
(c) thermally treating the nano graphene-metal composites to prepare a graphene-graphene fused material in which the nano graphene-metal composites are melted and bonded to each other by the nano metal provided on the nano graphene-metal composites,
wherein the graphene-graphene fused material is configured in the form of a single chain in which the plurality of nano graphene-metal composites are sequentially connected, or in the form of a composite chain in which the plurality of nano graphene-metal composites are irregularly connected.
US Pat. No. 9,908,996

CATECHOLAMINE-FLAKY GRAPHITE BASED POLYMER COMPLEX FOR PREPARATION OF COMPOSITE

Cheorwon Plasma Research ...

1. A flaky-graphite-based complex, comprising:
flaky graphite having crystallized nanoparticles chemically bonded to the surface thereof;
a layer of a catecholamine, wherein the catecholamine is selected from the group consisting of norepinephrine, epinephrine,
?-methyldopa, droxidopa, indoleamines, and serotonin; and

a layer of a polymer.

US Pat. No. 10,135,092

POLYMER ELECTROLYTE, LITHIUM SECONDARY BATTERY USING SAME, AND METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY

AMOGREENTECH CO., LTD., ...

1. A polymer electrolyte comprising:a separator including a porous nonwoven fabric as a support matrix and a pore-free polymer film layer formed on at least one surface of the porous nonwoven fabric, the pore-free polymer film layer being formed on entire surface of the at least one surface of the porous nonwoven fabric, wherein the porous nonwoven fabric is formed of a fiber, the fiber being formed of a core fiber made of PP (polypropylene) and a PE (polyethylene) coat on an outer periphery of the core fiber, the porous nonwoven fabric has a thickness of 10 ?m to 40 ?m and a porosity of 70% to 80%, and the pore-free polymer film layer has a thickness of 3 ?m to 5 ?m; and
a gel polymer portion including a gel-type polymer impregnated in the porous nonwoven fabric of the separator,
wherein the gel polymer portion is formed by a polymerization reaction of an electrolytic solution impregnated into the separator, the electrolytic solution comprising a gel polymer forming monomer, an organic solvent, a lithium salt, and a polymerization initiator,
wherein the pore-free polymer film layer comprises a polymer that is swellable in the electrolytic solution and in which electrolyte ions are conductible in the electrolytic solution, and
wherein the pore-free polymer film layer is formed by forming a porous nanofiber web on the at least one surface of the porous nonwoven fabric, and heating the porous nanofiber web at a temperature lower than a melting point of the porous nanofiber web, thereby converting the porous nanofiber web into the pore-free polymer film layer.

US Pat. No. 9,966,660

ELECTROMAGNETIC WAVE SHIELDING SHEET, MANUFACTURING METHOD THEREOF, AND BUILT-IN ANTENNA HAVING THE SAME

AMOGREENTECH CO., LTD., ...

1. An electromagnetic wave shielding sheet comprising:a substrate formed in a form of a first nano-web, the first nano-web being composed of accumulated fiber strands and having a plurality of pores, the fiber strands being made of a first polymer material and having a diameter in a range of 0.1 ?m to 3.0 ?m;
a conductive metal layer formed on one surface of the substrate for shielding electromagnetic waves and made of a conductive metal material, the conductive metal material being partially introduced into the pores of the first nano-web; and
an adhesive layer formed on the other surface of the substrate.

US Pat. No. 10,090,556

FLEXIBLE BATTERY, MANUFACTURING METHOD THEREFOR, AND AUXILIARY BATTERY COMPRISING FLEXIBLE BATTERY

AMOGREENTECH CO., LTD., ...

1. A flexible battery comprising:a plate-shaped electrode assembly; and
an exterior material in which the electrode assembly is encapsulated together with an electrolyte,
wherein the exterior material includes a first exterior material configured to cover a upper surface of the electrode assembly and a second exterior material configured to cover a lower surface of the electrode assembly,
wherein the electrode assembly and the exterior material are formed such that patterns for contraction and extension in a longitudinal direction have the same directionality when the flexible battery is bent,
and a first pattern formed on the exterior material and a second pattern formed on the electrode assembly, both patterns disposed such that crest portions and trough portions are formed in a longitudinal direction and formed such that crest portions are formed within each other,
wherein the first pattern formed on the first exterior material and a first pattern formed on the second exterior material are disposed such that crest portions are formed within each other.

US Pat. No. 10,121,586

METHOD FOR MANUFACTURING FE-BASED AMORPHOUS METAL POWDER AND METHOD FOR MANUFACTURING AMORPHOUS SOFT MAGNETIC CORES USING SAME

AMOGREENTECH CO., LTD., ...

1. A method for manufacturing an amorphous soft magnetic core, comprising:preparing a composite powder;
adding a binder to the composite powder and molding the composite powder and the binder to obtain a molded core material; and
annealing the molded core material,
wherein the preparing consists of:
preparing a Fe-based amorphous metallic ribbon;
pulverizing the amorphous metallic ribbon to obtain an amorphous metallic powder;
size-sorting the amorphous metallic powder to obtain size-sorted amorphous metallic powders; and
mixing, among the size-sorted amorphous metallic powders, a size-sorted amorphous metallic powder having a particle size of 5 to 100 ?m to obtain the composite powder, wherein the composite powder consists of: 40 to 85 wt. % of powder having a particle size of 75 to 100 ?m, 10 to 50 wt. % of powder having a particle size of 50 to 75 ?m, and 5 to 20 wt. % of powder having a particle size of 5 to 50 ?m.

US Pat. No. 10,088,092

THERMAL INSULATION SHEET, HYBRID THERMAL INSULATION SHEET, AND THERMAL INSULATION PANEL

AMOGREENTECH CO., LTD., ...

1. A hybrid heat insulation sheet comprising:a heat insulation sheet including an outer shell with a hollow portion therein, and a phase change material (PCM) that is positioned in the hollow portion and that absorbs heat transferred from the outer shell; and
at least one reinforcing sheet that is contacting one surface, both surfaces or the entire surface of the heat insulation sheet,
wherein the reinforcing sheet is a heat radiation member; and
wherein the heat radiation member comprises a first radiating layer having a first conductivity; and a second radiating layer having a second conductivity bonded on the first radiating layer, and the first conductivity of the first radiating layer is lower than the second conductivity of the second radiating layer, and the first radiating layer is attached to, contacts or approaches a heat generating component.

US Pat. No. 10,164,288

FLEXIBLE BATTERY, MANUFACTURING METHOD THEREFOR, AND AUXILIARY BATTERY COMPRISING FLEXIBLE BATTERY

AMOGREENTECH CO., LTD., ...

1. A flexible battery comprising: an electrode assembly; and an exterior material for sealing the electrode assembly with an electrolyte,wherein the electrode assembly and the exterior material are formed so that patterns for contraction and extension with respect to a longitudinal direction have the same directionality in the event of being bent, and a region with the patterns includes a region in which an increased surface area ratio (Sdr) according to Equation 1 below satisfies 0.5 to 40.0:

 and
wherein a surface area of one region with the patterns is a surface area based on one region of the battery in which a horizontal length is Lx (mm) and a vertical length is Ly (mm).

US Pat. No. 10,170,097

WATERPROOF SOUND TRANSMITTING SHEET, AND METHOD FOR PRODUCING SAME

AMOGREENTECH CO., LTD., ...

1. A method of producing a waterproof sound-transmitting sheet, comprising the steps of:applying a spinning solution containing a pigment having a predetermined color and a second polymer material onto a substrate to form a webbed pigment layer;
applying a spinning solution containing a first polymer material having a melting point lower than that of the second polymer material onto the pigment layer to form a webbed sound-transmitting layer; and
heat-treating the pigment layer and the sound-transmitting layer to melt the sound-transmitting layer and form the waterproof sound-transmitting sheet into a nonporous sheet.

US Pat. No. 10,203,726

ROLLABLE DISPLAY DEVICE

AMOGREENTECH CO., LTD., ...

1. A rollable display device comprising:a display body including a display unit configured to display various types of information as an image on one surface thereof and provided to be rollable;
a flexible battery including an exterior material configured to encapsulate an electrode assembly together with an electrolyte and provided on the display body to supply power to the display body;
a supporting member disposed on at least one surface of the flexible battery, wherein the supporting member is formed to have an elastic force and is formed as a plate member to cover one surface of the flexible battery,
wherein the supporting member is configured to prevent the flexible battery and the display body from being twisted and to prevent the flexible battery from being penetrated when the display body is rolled,
wherein the electrode assembly, the exterior material and the supporting member include patterns for shrinkage and relaxation when the display body and the flexible battery are rolled,
wherein a pattern formed on the electrode assembly, a pattern formed on the exterior material and a pattern formed on the supporting member are disposed to be coincident with one another, wherein the supporting member and the flexible battery are fixed to each other by a wire material wrapped along a longitudinal direction.

US Pat. No. 10,251,266

WEARABLE FLEXIBLE PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME

AMOGREENTECH CO., LTD., ...

1. A wearable flexible printed circuit board comprising:a base substrate made of a fiber web that is formed by accumulating spun fibers made of a fiber-forming polymer material and having a diameter of 3 ?m or less; and
a conductive circuit pattern formed on the base substrate,
wherein the fiber web has a plurality of pores; and
wherein the circuit pattern is formed on only fibers of the fiber web.

US Pat. No. 10,301,201

COMPOSITE ELECTRODE FOR DESALINATION COMPRISING ION-EXCHANGE MEMBRANE, MANUFACTURING METHOD THEREOF, AND DESALINATION APPARATUS USING SAME

AMOGREENTECH CO., LTD., ...

1. A deionization composite electrode comprising:a porous ion exchange substrate formed of a nanofiber web, the nanofiber web being formed of accumulated nanofibers and having pores, wherein the nanofibers are formed by electro spinning a first ion exchange solution;
an electrically conductive film formed on both surfaces of the porous ion exchange substrate, the electrically conductive film being formed of a conductive material, a portion of which is penetrated into the pores of the porous ion exchange substrate, wherein the electrically conductive film is formed by depositing the conductive material; and
a non-porous ion exchange membrane formed on a surface of one of the electrically conductive films, wherein the non-porous ion exchange membrane is formed by electrospraying a second ion exchange solution on the surface of the one of the electrically conductive films.