Glass-ceramic materials, precursor glass thereof and process-for making the same
US7456121B2 · kind B2 · utility
17Cited by
3References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 23, 2006 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Nov 23, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C10/16
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to: novel glass-ceramics of β-quartz and/or of β-spodumene; articles made from said novel glass-ceramics; and ithium alumino-silicate glasses, which are precursors of said novel glass-ceramics; methods of preparing said novel glass-ceramics and articles made from said novel glass-ceramics. The present invention relates to the use of SnO2 and of Br, as an agent for fining the glass-ceramic glass precursor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.