Black glass pastes for glazing and their production
US5250475A · kind A · utility
5Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1992 |
| Grant date | Oct 5, 1993 |
| Priority date | — |
| Expiry date | Mar 9, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C8/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Black glass pastes for edging glass windows in automobiles comprise ground, lead-containing modified borosilicate glass which has sulfides or polysulfide fused therein, black ground pigment and a carrier medium which is liquid at room temperature or higher, is produced by fusing a mixture of lead-containing borosilicate glass, powdered carbon and metal sulfides an sulfur powder or the resulting frit together with black pigments to a particle fineness of less than 10 .mu.m and mixing the ground product with a carrier medium which is liquid at room temperature or elevated temperature, thereby forming a paste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.