Patent · US Active

Glass-ceramic article and enamel for the coating thereof

US10155684B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

EUROKERA S.N.C. · FR

Inventors

Emmanuel Lecomte · Aulnay-sous-Bois, FR
Pablo Vilato · Paris, FR

Key dates

Filing date	Oct 15, 2014
Grant date	Dec 18, 2018
Priority date	—
Expiry date	Feb 18, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH05B1/0266
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A glass-ceramic article is at least partly coated with at least one layer of enamel, including a glass frit. The frit includes, expressed by weight, SiO2, 45-60%; Al2O3, 12-22%; B2O3, 12-22%; Li2O, 0-5%; Na2O, 0-2%; K2O, >2%; CaO, 0-4%; MgO, 0-4%; ZnO, 0-4%; BaO, 0-4%; ZrO2, 0-4%; and TiO2, 0-1%. The sum of oxides CaO+MgO+BaO+SrO+ZnO is at most 10%, preferably from 2 to 8%. A process can be used to obtain the article.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.