Lighting glass and colored glass bulbs, and manufacturing method thereof
US6812173B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 27, 2002 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Apr 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C14/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Lighting glass containing 0.3 to 1.0% by weight of Sb as Sb2O3 and 0.5 to 1.0% by weight of S as SO3 in a SiO2—Al2O3—R1O—R22O-based glass (where R1 represents Ca, Sr, Mg and Ba and R2 represents Na, K and Li) in which colloids comprising SbS2 and/or Sb2S3 are generated in the glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.