Quinacridone pigment compositions comprising unsymmetrically substituted components
US7166158B2 · kind B2 · utility
6Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Jul 13, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0036
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel quinacridone pigment compositions, a process using a mixed amine synthesis for the ultimate production of the compositions and to their use as colorants for pigmenting high molecular weight organic materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.