Reactive dyes, process for their preparation and use thereof
US4504273A · kind A · utility
1Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1983 |
| Grant date | Mar 12, 1985 |
| Priority date | — |
| Expiry date | Aug 22, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to reactive dyes of the formula ##STR1## wherein R.sub.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl or phenyl, R.sub.2 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl, R.sub.3 is hydrogen, cyano, carbamoyl or sulfomethyl, R.sub.4 and R.sub.5 are each independently hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, carboxy or sulfo, X is fluorine, chlorine or bromine, and Z is an unsubstituted or substituted benzthiazolyl-(2)-phenyl radical, which are suitable for dyeing or printing cellulosic fibers and produce brilliant greenish yellow dyeings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.