US 11,891,332 B2
Colored glass articles having improved mechanical durability
Xiaoju Guo, Pittsford, NY (US); Jill Marie Hall, Elmira, NY (US); Karl William Koch, III, Elmira, NY (US); Jesse Kohl, Horseheads, NY (US); Jian Luo, Cupertino, CA (US); Liping Xiong Smith, Painted Post, NY (US); and Nicole Taylor Wiles, Horseheads, NY (US)
Assigned to Corning Incorporated, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Jan. 5, 2023, as Appl. No. 18/093,521.
Application 18/093,521 is a continuation of application No. 17/677,375, filed on Feb. 22, 2022, granted, now 11,560,329.
Claims priority of provisional application 63/251,785, filed on Oct. 4, 2021.
Prior Publication US 2023/0159373 A1, May 25, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 15/04 (2006.01); B32B 17/06 (2006.01); C03C 3/093 (2006.01); C03C 21/00 (2006.01); C03C 4/02 (2006.01)
CPC C03C 3/093 (2013.01) [C03C 4/02 (2013.01); C03C 21/002 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A glass composition comprising:
greater than or equal to 50 mol % and less than or equal to 80 mol % SiO2;
greater than or equal to 7 mol % and less than or equal to 25 mol % Al2O3;
greater than or equal to 1 mol % and less than or equal to 15 mol % B2O3;
greater than or equal to 7 mol % and less than or equal to 20 mol % Li2O;
greater than or equal to 0.5 mol % and less than or equal to 12 mol % Na2O;
greater than 0 mol % and less than or equal to 1 mol % K2O; and
greater than or equal to 1×10−6 mol % and less than or equal to 0.0016 mol % Au,
wherein [5.72*Al2O3 (mol %)-21.4*ZnO (mol %)-2.5*P2O5 (mol %)-35*Li2O (mol %)-16.6*B2O3 (mol %)-20.5*MgO (mol %)-23.3*Na2O (mol %)-27.9*SrO (mol %)-18.5*K2O (mol %)-26.3*CaO (mol %)] is greater than −609 mol %.