Patent · US Active

Transparent, colorless low-titania β-quartz glass-ceramic material

US8759239B2 · kind B2 · utility

5Cited by

6References

11Claims

0Family size

Assignee

Eurokera · FR

Inventors

Marie Jacqueline Monique Comte · Fontenay-aux-Roses, FR
Lothar Wondraczek · Erlangen, DE

Key dates

Filing date	Oct 25, 2012
Grant date	Jun 24, 2014
Priority date	—
Expiry date	Oct 25, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C3/085
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Transparent, essentially colorless β-quartz glass-ceramic materials, the composition of which is free of As2O3 and of Sb2O3, where said composition contains a specific combination of three nucleating agents: TiO2, ZrO2 and SnO2; TiO2 being present in low quantity.

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