Process for conditioning organic pigments
US5194088A · kind A · utility
33Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Jul 8, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0016
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for converting crude pigments into pigmentary form wherein the crude pigment is premilled, then contacted with a polar solvent at temperatures below 50.degree. C., with or without the presence of particle growth inhibitors, and finally isolated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.