Polymers and other groups attached to pigments and subsequent reactions
US6723783B2 · kind B2 · utility
51Cited by
31References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jan 5, 2021 |
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.