US 12,134,581 B2
Colored glass articles having improved mechanical durability
Xiaoju Guo, Pittsford, NY (US); Karl William Koch, III, Elmira, NY (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 Nov. 3, 2023, as Appl. No. 18/386,703.
Application 18/386,703 is a continuation of application No. 18/093,090, filed on Jan. 4, 2023, granted, now 11,834,370.
Application 18/093,090 is a continuation of application No. 17/843,096, filed on Jun. 17, 2022, granted, now 11,667,562, issued on Jun. 6, 2023.
Claims priority of provisional application 63/347,201, filed on May 31, 2022.
Claims priority of provisional application 63/347,095, filed on May 31, 2022.
Claims priority of provisional application 63/318,553, filed on Mar. 10, 2022.
Claims priority of provisional application 63/212,179, filed on Jun. 18, 2021.
Prior Publication US 2024/0059604 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 4/02 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); C03C 3/095 (2006.01); C03C 21/00 (2006.01)
CPC C03C 4/02 (2013.01) [C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 3/095 (2013.01); C03C 21/002 (2013.01); C03C 2204/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A glass composition comprising:
greater than or equal to 50 mol % and less than or equal to 70 mol % SiO2;
greater than or equal to 10 mol % and less than or equal to 20 mol % Al2O3;
greater than or equal to 1 mol % and less than or equal to 10 mol % B2O3;
greater than or equal to 7 mol % and less than or equal to 14 mol % Li2O;
greater than 0 mol % and less than or equal to 8 mol % Na2O;
greater than 0 mol % and less than or equal to 1 mol % K2O;
greater than or equal to 0 mol % and less than or equal to 7 mol % CaO;
greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and
greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO, wherein:
R2O+R′O is less than or equal to 25 mol %, wherein R2O is the sum of Li2O, Na2O, and K2O and R′O is the sum of CaO, MgO, and ZnO; and
at least one of:
NiO+Co3O4+Cr2O3+CuO is greater than or equal to 0.001 mol %;
CeO2 is greater than or equal to 0.1 mol %; and
TiO2 is greater than or equal to 0.1 mol %.