Methods for production of organic pigments for printing inks
US6530989B1 · kind B1 · utility
3Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2001 |
| Grant date | Mar 11, 2003 |
| Priority date | — |
| Expiry date | Dec 28, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0091
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of an organic pigment dispersion is disclosed and consists of dispersing a dried soft-textured organic pigment in a dispersion vehicle, wherein the dispersion vehicle contains an ink varnish and alkyd and the dispersion is carried out in a tank equipped with a sweep and a high speed dispersion blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.