Pigment dispersing agent, pigment composition containing the same and pigment dispersion containing the same
US7077899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2004 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | May 6, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pigment dispersing agent of the formula (1) capable of providing a printing ink or a coating composition excellent in fluidity and dispersion stability and a dry coating excellent in gloss, a pigment composition containing the same and a pigment dispersion containing the same,wherein X1 is —NH—, —O—, —CONH—, —SO2NH—, —CH2NH—, —CH2NHCOCH2NH— or —X3—Y—X4—, X2 and X4 are —NH— or —O—, X3 is —CONH—, —SO2NH—, —CH2NH—, —NHCO— or —NHSO2—, Y is an alkylene group, an alkenylene group or an arylene group, Z is —SO3M or —COOM, R1 is a heterocyclic ring residue or an aromatic ring residue, Q is —O—R2, —NH—R2, a halogen group, —X1—R1 or —X2—Y-Z, R2 is a hydrogen atom, an alkyl group or an alkenyl group, and M is one equivalent of a monovalent to trivalent cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.