US Patent No. 11,032,876

PREPARATION OF AN ARTICLE OF A GLASS OR A GLASS-CERAMIC HAVING AN IMPROVED COATING AND THAT ARTICLE


Patent No. 11,032,876
Issue Date June 08, 2021
Title Preparation Of An Article Of A Glass Or A Glass-ceramic Having An Improved Coating And That Article
Inventorship Bruno Dufour, Champagne sur Seine (FR)
Gaelle Ferriz, Reims (FR)
David Henry, Fontaine le Port (FR)
Philippe Lehuede, Dammarie-les-Lys (FR)
Assignee Eurokera, Chateau-Thierry (FR)

Claim of US Patent No. 11,032,876

1. A cooktop comprising:a glass or glass-ceramic substrate; and
a coating fixed to at least one portion of a surface of the glass or glass-ceramic substrate, wherein the coating comprises a heat treated dispersion layer, the heat treated dispersion layer comprising:
a continuous phase consisting essentially of at least one polysilsesquioxane resin, the at least one polysilsesquioxane resin having units of formula (RSiO1.5), R being identical or not, all different from an aryl group and being selected from a group consisting of linear and branched alkyl groups having 1 to 6 carbon atoms and cycloalkyl groups having 3 to 6 carbon atoms, wherein the at least one polysilsesquioxane resin is crosslinked; and
a dispersed phase consisting essentially of mineral fillers.