Disazo pigment containing at least 2 chlorine atoms and process for their manufacture
US4055559A · kind A · utility
4Cited by
5References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 8, 1975 |
| Grant date | Oct 25, 1977 |
| Priority date | — |
| Expiry date | Oct 8, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B33/153
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A disazo pigment of the formula ##STR1## WHEREIN X and Y are hydrogen, chlorine, alkyl of 1 - 4 C-atoms or one of X and Y can be alkoxy of 1 - 4 C-atoms and Z is chlorine or methyl, which is useful for pigmenting high molecular organic material and shows excellent fastness to light and weather.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.