Patent · US Active

Method for producing a glass article

US11292744B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Schott AG · DE

Inventors

Alexander Glacki · Mainz, DE
Inka Henze · Udenheim, DE
Doris Moseler · Budenheim, DE
Ulrike Stöhr · Mainz, DE
Heike Brack · Budenheim, DE

Key dates

Filing date	May 29, 2020
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Jun 2, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C21/006
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for producing a glass article is provided that includes, in order, a first process step in which a surface of the glass article has a temperature of at least 400° C. for at least some of the time, a second process step in which the surface of the glass article has a temperature of more than 10° C. and less than 100° C. and the surface is brought into contact with water or water vapor and the surface of the glass article is supplied with an amount of water which corresponds to a water layer thickness of from 1 to 100 μm, and a third process step in which the glass article is processed further with contact of the surface with foreign materials or other glass articles.

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