Patent · US Active

Colored glass articles having improved mechanical durability

US11891332B2 · kind B2 · utility

2Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 2023
Grant dateFeb 6, 2024
Priority date
Expiry dateJan 5, 2043

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C21/002
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A colored glass article includes 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 5 mol % and less than or equal to 20 mol % Li2O; greater than or equal to 0.5 mol % and less than or equal to 15 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 1 mol % Au. R2O—Al2O3 is greater than or equal to −5 mol % and less than or equal to 7 mol %, R2O being the sum of Li2O, Na2O, and K2O.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.