Non-aqueous inkjet inks of quinacridone pigments
US7648570B2 · kind B2 · utility
3Cited by
10References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2006 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Nov 28, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A non-aqueous inkjet ink includes a quinacridone pigment and a dispersion synergist wherein the quinacridone pigment is a mixed crystal including a dimethyl substituted quinacridone and a monomethyl substituted quinacridone and the dispersion synergist includes at least one acid group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.