High alumina low soda glass compositions
US11292742B2 · kind B2 · utility
1Cited by
30References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2019 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2203/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition includes a base glass portion comprising: 65-75 wt % SiO2; 5-15 wt % CaO; 0-5 wt % MgO; 0-5 wt % K2O; 10-14 wt % Na2O; and 1-5 wt % Al2O3; wherein the glass composition has a ratio of Na2O to Al2O3 is in the range of 9.5-12.5 wt %/wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.