US 12,344,547 B2
Enameled mineral substrate and method for making same
Charlène Seme, Chierry (FR); and Loïc Delaye, Fere-en-Tardenois (FR)
Assigned to EUROKERA S.N.C., Chateau Thierry (FR)
Appl. No. 18/702,630
Filed by EUROKERA S.N.C., Château-Thierry (FR)
PCT Filed Oct. 18, 2022, PCT No. PCT/EP2022/078994
§ 371(c)(1), (2) Date Apr. 18, 2024,
PCT Pub. No. WO2023/066945, PCT Pub. Date Apr. 27, 2023.
Claims priority of application No. 2111100 (FR), filed on Oct. 19, 2021.
Prior Publication US 2025/0115515 A1, Apr. 10, 2025
Int. Cl. B32B 15/04 (2006.01); B32B 17/06 (2006.01); B41M 5/00 (2006.01); C03C 17/04 (2006.01)
CPC C03C 17/04 (2013.01) [B41M 5/0047 (2013.01); B41M 5/007 (2013.01); C03C 2217/72 (2013.01); C03C 2217/78 (2013.01); C03C 2218/119 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A mineral substrate comprising, on at least one of its surfaces, an inorganic enamel forming a pattern, wherein:
said inorganic enamel has a total surface roughness, Rt, of its surface of less than or equal to 2 μm, and
an edge of said inorganic enamel protruding from the surface of the mineral substrate has a topographic slope value, expressed as a percentage, of less than or equal to 1.4%.