Disperse monoazo dyestuffs for coloring synthetic textile materials
US4254027A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1976 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Jun 21, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/0817
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disperse monoazo dyestuffs of the formula: ##STR1## wherein T.sup.1 and T.sup.2 are each independently hydrogen or lower alkyl, 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, R.sup.1 and R.sup.2 are each independently lower alkyl or hydroxyalkyl containing from 2 to 4 carbon atoms, and the benzene ring B can contain additional susbstituents apart from sulphonic acid groups, a process for the manufacture of the said dyestuffs, and their use for coloring synthetic textile materials in yellow to blue shades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.