Grey glass composition for production of windows
US7179763B2 · kind B2 · utility
3Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2002 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Jan 14, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C3/087
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The subject of the invention is a gray glass composition of the soda-lime-silicate type having an overall light transmission under illuminant A (TLA) greater than 67% for a glass thickness equal to 3.85 mm, which comprises the constituents below within the following limits by weight:and the coloring agents below within the following limits by weight:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.