Fibre-reactive azo dyes containing a monofluororotriazine group
US4906739A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1989 |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | Jun 15, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fibre-reactive azo dyestuff of the formula ##STR1## in which X is alkyl or alkoxy with 1 to 4 carbon atoms, carboxyl or halogen, n is 1, 2 or 3, m is 0 or 1, p is 0 or 1 and q is 0 or 1 and the benzene or naphthalene rings A, B and B' can contain further substituents in addition to SO.sub.3 H groups. The dyestuffs of the invention are suitable inter alia, for dyeing and printing silk, leather, wool, high molecular weight polyamide fibres and high molecular weight polyurethanes, but especially cellulose-containing materials having a fibrous structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.