Disazo pigments containing acylamino groups
US4062838A · kind A · utility
3Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1976 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | May 14, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B33/153
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disazo pigments of the formula ##STR1## wherein A denotes a phenylene or naphthylene radical, R denotes an aryl, alkyl or alkenyl group optionally substituted by halogen atoms, by hydroxyl, alkoxy or alkylmercapto groups containing 1-6 C atoms, by alkoxycarbonyl groups containing 2-6 C atoms or cyano, aryl, aryloxy, arylmercapto or heterocyclic radicals, or denotes a heterocyclic radical, and the X and Y denote H atoms or substituents which do not confer solubility in water are useful for coloring plastics lacquers and printing inks in yellow to orange shade of good fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.