Silico-sodo-calcic glass composition
US7713895B2 · kind B2 · utility
2Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2005 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Apr 24, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C4/085
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a clear glass composition of the soda-lime-silicate type that absorbs ultraviolet radiation, which composition includes optical absorbents below in contents varying within the following weight limits:and which has, for a thickness of 3 mm, an ultraviolet transmission not exceeding 40% and chromatic coordinates (a*,b*) of between −3 and 3.It also relates to glass hollowware or flat articles, obtained from the aforementioned composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.