Glass composition
US7960301B2 · kind B2 · utility
15Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2006 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Dec 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1333
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition comprises, in terms of mass %: 40-70% SiO2; 5-20% B2O3; 10-25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20% SrO; 0-10% BaO; 0.001-0.5% Li2O; 0.01-0.5% Na2O; 0.002-0.5% K2O; and 0-1.0%, excluding 0%, Cl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.