Pigment-based inks for ink-jet printing
US7294186B2 · kind B2 · utility
4Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2006 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Sep 20, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A neutral gray or black ink and combinations thereof for ink-jet printing, comprising: an ink vehicle; carbon black; another colored pigment or pigments such as a combination of cyan and violet pigments; wherein the carbon black and colored pigments are associated with a polymer or polymers which render the carbon black and pigments dispersible in aqueous solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.