Process for conditioning azo pigments
US7019121B2 · kind B2 · utility
1Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Mar 19, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0015
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for conditioning azo pigment with surfactants of ethoxylate alkyl phenols in the presence of a strong alkali in the aqueous condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.