Patent · US Active

Lithium-aluminosilicate glass with short glazing times

US8685873B2 · kind B2 · utility

12Cited by

6References

21Claims

0Family size

Assignee

Schott AG · DE

Inventors

Friedrich Siebers · Nierstein, DE
Ulrich Schiffner · Mainz, DE
Wolfgang Schmidbauer · Mainz, DE
Klaus Schönberger · Mainz, DE

Key dates

Filing date	Aug 6, 2012
Grant date	Apr 1, 2014
Priority date	—
Expiry date	Aug 6, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C10/0054
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A lithium-aluminosilicate glass or a corresponding glass ceramic that has a content of 0-0.4SnO2, 1.3-2.7% by weight of ΣSnO2+TiO2, 1.3-2.5% by weight of ZrO2, 3.65-4.3% by weight of ΣZrO2+0.87 (TiO2+SnO2), ≦0.04% by weight of Fe2O3, 50-4000 ppm of Nd2O3 and 0-50 ppm of CoO is described. The glass or the glass ceramic is color-neutral, has a turbidity of less than 1% HAZE and a high light transmission. The glazing time for conversion of the glass into glass ceramic is especially short with less than 2.5 hours.

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