Pigment composition
US4664714A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 10, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | Apr 10, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B68/46775
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pigment composition consisting of 100 parts by weight of a pigment, and from 0.1 to 30 parts by weight of a pigment dispersant of formula ##STR1## in which Q is (a) an anthraquinone dye or pigment radical, (b) an azo dye or pigment radical, (c) a benzimidazolone dye or pigment radical, (d) a phthalocyanine dye or pigment radical, (e) a quinacridone dye or pigment radical, (f) a dioxazine dye or pigment radical, (g) an anthrapyrimidine dye or pigment radical, (h) an anthanthrone dye or pigment radical, (i) an indanthrone dye or pigment radical, (j) a falvanthrone dye or pigment radical, (k) a pyranthrone dye or pigment radical, (l) a perinone dye or pigment radical, (m) a perylene dye or pigment or (n) a thioindigo dye or pigment radical; X is a direct bonds, --CH.sub.2 --; ##STR2## Y.sub.1 is NH or --O--; Z is in which Y.sub.2 is --NH-- or --O--, or --NH--X--Q when n is 1; R.sub.1 and R.sub.2 are independently an alkyl group containing 1-18 carbon atoms, or are jointly combined to form a piperidine, pyrrolidine, pipecoline or morpholine ring with the nitrogen atom to which they are attached; m is an integer of 1 to 6; and n is an integer of 1 to 4. The pigment compositions exhibi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.