Azo dye of the pyridone series containing a fluoro-s-triazinyl fibre-reactive group
US4906737A · kind A · utility
3Cited by
2References
1Claims
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Key dates
| Filing date | Aug 17, 1988 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Aug 17, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Fibre-reactive dyes of the formula ##STR1## wherein X is an alkyl or alkoxy group of 1 to 4 carbon atoms, a carboxy group or a halogen atom, each of R.sub.1 and R.sub.2 is independently a hydrogen atom or an alkyl group of 1 to 4 carbon atoms and D is the radical of an organic dye which contains sulpho groups, and the benzene ring A can contain further substituents apart from X and SO.sub.3 H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.