IP Library › Granted Patent US 12,454,479
Granted Patent B2
US 12,454,479 · App. 18/376,888 · Granted Oct 28, 2025

Gold containing silicate glass

Inventors: Xiaoju Guo (Pittsford, NY); Lina Ma (Corning, NY); Liping Xiong Smith (Painted Post, NY)
Assignee: CORNING INCORPORATED
C03C3/087C03C1/04C03C3/085C03C4/02C03C2204/00
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Quick Facts
Patent No.
US 12,454,479
App. No.
18/376,888
Granted
Oct 28, 2025
Kind
B2
Abstract

A glass composition includes greater than or equal to 60 mol % and less than or equal to 85 mol % SiO 2 ; greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al 2 O 3 ; greater than or equal to 0 mol % and less than or equal to 15 mol % Li 2 O; greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na 2 O; greater than or equal to 0.1 mol % and less than or equal to 20 mol % K 2 O; greater than or equal to 0 mol % and less than or equal to 10 mol % CaO; greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and greater than or equal to 0.005 mol % and less than or equal to 0.5 mol % Au.

Claims (43)

1. A glass composition comprising:

greater than or equal to 60 mol % and less than or equal to 85 mol % SiO 2 ;

greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al 2 O 3 ;

greater than or equal to 0 mol % and less than or equal to 15 mol % Li 2 O;

greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na 2 O;

greater than or equal to 2 mol % and less than or equal to 10 mol % CaO;

greater than or equal to 0 mol % and less than or equal to 10 mol % MgO;

greater than or equal to 0.01 mol % and less than or equal to 0.5 mol % Fe 2 O 3 ; and

Au, wherein the Au in the glass composition is less than or equal to 0.5 mol %.

2. The glass composition of claim 1 , comprising greater than or equal to 61 mol % and less than or equal to 83 mol % SiO 2 .

3. The glass composition of claim 1 , comprising greater than or equal to 2 mol % and less than or equal to 15 mol % Li 2 O.

4. The glass composition of claim 1 , comprising less than or equal to 23 mol % Na 2 O.

5. The glass composition of claim 1 , comprising less than or equal to 9 mol % CaO.

6. The glass composition of claim 1 , comprising greater than or equal to 0 mol % and less than or equal to 0.5 mol % SnO 2 .

7. A glass article, comprising the glass composition of claim 1 , wherein the glass article comprises an average number of Au particles of less than or equal to 5,000 particles/mm 3 .

8. The glass article of claim 7 , wherein the glass article is colored.

9. A glass composition comprising:

greater than or equal to 60 mol % and less than or equal to 85 mol % SiO 2 ;

greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al 2 O 3 ;

greater than or equal to 0 mol % and less than or equal to 15 mol % Li 2 O;

greater than or equal to 2 mol % and less than or equal to 10 mol % CaO;

greater than or equal to 0 mol % and less than or equal to 10 mol % MgO;

greater than or equal to 0.01 mol % and less than or equal to 0.5 mol % Fe 2 O 3 ; and

Au, wherein the Au in the glass composition is less than or equal to 0.5 mol %.

10. The glass composition of claim 9 , comprising greater than or equal to 2 mol % and less than or equal to 15 mol % Li 2 O.

11. A glass article, comprising the glass composition of claim 9 , wherein the glass article comprises an average number of Au particles of less than or equal to 5,000 particles/mm 3 .

12. The glass article of claim 11 , wherein the glass article is colored.

13. A glass composition comprising:

greater than or equal to 60 mol % and less than or equal to 85 mol % SiO 2 ;

greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al 2 O 3 ;

greater than or equal to 0 mol % and less than or equal to 15 mol % Li 2 O;

greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na 2 O;

greater than or equal to 0.1 mol % and less than or equal to 20 mol % K 2 O;

greater than or equal to 2 mol % and less than or equal to 10 mol % CaO;

greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and

Au, wherein the Au in the glass composition is less than or equal to 0.5 mol %.

14. The glass composition of claim 13 , comprising greater than or equal to 61 mol % and less than or equal to 83 mol % SiO 2 .

15. The glass composition of claim 13 , comprising greater than or equal to 2 mol % and less than or equal to 15 mol % Li 2 O.

16. The glass composition of claim 13 , comprising less than or equal to 23 mol % Na 2 O.

17. The glass composition of claim 13 , comprising less than or equal to 9 mol % CaO.

18. The glass composition of claim 13 , comprising greater than or equal to 0 mol % and less than or equal to 0.5 mol % SnO 2 .

19. A glass article, comprising the glass composition of claim 13 , wherein the glass article comprises an average number of Au particles of less than or equal to 5,000 particles/mm 3 .

20. The glass article of claim 19 , wherein the glass article is colored.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2023
From: GUO, XIAOJU; MA, LINA; SMITH, LIPING XIONG
To: CORNING INCORPORATED
Reel/Frame 065131/0334 →
Continuity (6)
Continuation 17843001 · Jun 17, 2022
Continuation In Part 17677345 · Feb 22, 2022
Provisional Application 63347157 · May 31, 2022
Provisional Application 63304807 · Jan 31, 2022
Provisional Application 63212191 · Jun 18, 2021
Related Publication 20240025796A1 · Jan 25, 2024
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