US 12,234,182 B2
Glass compositions and methods for strengthening via steam treatment
Timothy Michael Gross, Painted Post, NY (US); Adam Robert Sarafian, Corning, NY (US); Jingshi Wu, Painted Post, NY (US); and Zheming Zheng, Horseheads, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Aug. 24, 2023, as Appl. No. 18/237,537.
Application 18/237,537 is a continuation of application No. 16/682,063, filed on Nov. 13, 2019, granted, now 11,767,258.
Claims priority of provisional application 62/768,359, filed on Nov. 16, 2018.
Prior Publication US 2023/0391667 A1, Dec. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 3/097 (2006.01); C03C 21/00 (2006.01)
CPC C03C 3/097 (2013.01) [C03C 21/007 (2013.01)] 20 Claims
 
1. A glass, comprising:
greater than or equal to 52 mol % to less than or equal to 65 mol % SiO2;
greater than or equal to 5 mol % to less than or equal to 17 mol % Al2O3;
greater than or equal to 4 mol % to less than or equal to 15 mol % P2O5;
greater than or equal to 2 mol % 7 mol % to less than or equal to 23 mol % K2O;
greater than 0 mol % to less than or equal to 19 mol % Na2O; and
greater than 1 mol % to less than 5 mol % Li2O.