Search International and National Patent Collections

1. (WO2018022453) GLASSES HAVING RESISTANCE TO PHOTO-DARKENING

Pub. No.:    WO/2018/022453    International Application No.:    PCT/US2017/043293
Publication Date: Fri Feb 02 00:59:59 CET 2018 International Filing Date: Sat Jul 22 01:59:59 CEST 2017
IPC: C03C 3/097
C03C 4/00
C03C 21/00
Applicants: CORNING INCORPORATED
Inventors: GROSS, Timothy Michael
GUO, Xiaoju
Title: GLASSES HAVING RESISTANCE TO PHOTO-DARKENING
Abstract:
Glass articles that are resistant to coloration when exposed to ultraviolet light or plasma cleaning processes. The glass articles comprise or consist of an alkali aluminosilicate glass containing from about 0.1 mol% to about 1 mol% of at least one of ZrO2, Sb2O3, and Nb2O5; and less than about 400 ppm each of oxides of titanium, iron, germanium, cerium, nickel, cobalt, and europium.