Method of coating inorganic pigments (ultramarine and bronze powder) with dense amorphous silica
US4375373A · kind A · utility
43Cited by
13References
6Claims
0Family size
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Key dates
| Filing date | Dec 1, 1981 |
| Grant date | Mar 1, 1983 |
| Priority date | — |
| Expiry date | Dec 1, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stable inorganic pigment having the surface thereof a continuous coating of fine amorphous silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.