Aromatic disazo pigments
US4081439A · kind A · utility
3Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1976 |
| Grant date | Mar 28, 1978 |
| Priority date | — |
| Expiry date | Aug 25, 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 X and Y denote hydrogen or halogen atoms, alkyl or alkoxy groups containing 1-6 carbon atoms, or aryloxy, trifluoromethyl, nitro, cyano or carboxylic acid ester groups, or wherein X and Y conjointly denote a fused benzene ring are useful for coloring plastics, lacquers and printing inks in yellow shades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.