Polymers and other groups attached to pigments and subsequent reactions
US7893152B2 · kind B2 · utility
3Cited by
34References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2004 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | May 3, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods of making a modified pigment by reacting a first chemical group and a second chemical group to form a pigment having attached a third chemical group. The first chemical group includes at least one nucleophile and the second chemical group includes at least one electrophile, or vice versa. Resulting modified pigments, and ink compositions containing such pigments, are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.