Method of producing inorganic pigments
US3969129A · kind A · utility
1Cited by
3References
2Claims
0Family size
Inventors
Key dates
| Filing date | Aug 18, 1975 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Aug 18, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method, wherein an electromagnetic field is established in which a precipitate of pigments is formed from aqueous solutions of the salts of metals in the presence of ferromagnetic solids, whereupon the precipitate is treated to obtain a finished form of pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.