Process for preparing modified pigments
US7173078B2 · kind B2 · utility
20Cited by
57References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2002 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Sep 2, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of reacting a dried mixture comprising a pigment having attached at least one reactive group and a modifying agent. The dried mixture is reacted under high intensity mixing conditions for a time and temperature sufficient to form the modified pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.