High alkali glass composition
US8418505B2 · kind B2 · utility
1Cited by
16References
20Claims
0Family size
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Key dates
| Filing date | Mar 7, 2012 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Mar 7, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition useful in preparing fiberglass comprises 12 to 25 weight % CaO; 12 to 16 weight % Al2O3; 52 to 62 weight % SiO2; 0.05 to 0.8 Fe2O3; and greater than 2 up to about 8 weight % alkali metal oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.