Triazine ring-containing reactive dyestuffs, their preparation and use
US5405947A · kind A · utility
8Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Apr 27, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4403
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reactive dyestuffs which, in the form of the free acid, have the following formula ##STR1## in which X denotes fluorine, chlorine or bromine and SO.sub.2 -Z denotes a specific reactive radical, the remaining substituents having the meaning given in the description, and show improved fixation yield in dyeing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.