Disperse monoazo dyestuffs
US4313874A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1977 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | Apr 4, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/0817
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disperse monoazo dyestuffs of the formula: ##STR1## wherein X is lower alkyl, n is 1, 2 or 3, Z is hydrogen, lower alkyl or lower alkoxy, Y is hydrogen, lower alkyl, lower alkoxy, chlorine, bromine, --NHCOX.sup.1 or --NHSO.sub.2 X.sup.2, X.sup.1 is lower alkyl, lower alkoxy, amino or N-lower alkylamino, X.sup.2 is lower alkyl, A.sup.1 and A.sup.2 are each independently lower alkylene, and R.sup.2 and R.sup.3 are each independently lower alkyl or hydroxyalkyl containing from 2 to 4 carbon atoms, together with a process of manufacture and the use of such dyestuffs for the coloration of synthetic polymeric materials particularly polyesters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.