Fibre-reactive azo dyes containing vinylsulfonyl groups and further aliphatic fibre-reactive radicals
US4908436A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1986 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Oct 23, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4411
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A reactive dye of the formula ##STR1## or of the formula ##STR2## or of the formula ##STR3## in which D, D.sub.1 and D.sub.2 are each phenylene or naphthylene unsubstituted or substituted by alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, carboxylic acylamino having 1 to 8 carbon atoms, amino, alkylamino having 1 to 4 carbon atoms, phenylamino, N,N-di-.beta.-hydroxyethylamino, N,N-di-.beta.-sulfatoethylamino, sulfobenzylamino, N,N-disulfobenzylamino, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy radical, alkylsulfonyl having 1 to 4 carbon atoms, trifluoromethyl, nitro, cyano, halogen, carbamoyl, N-alkylcarbamoyl having 1 to 4 carbon atoms in the alkyl radical, sulfamoyl N-alkylsulfamoyl having 1 to 4 carbon atoms, N-(.beta.-hydroxyethyl)-sulfamoyl, N,N-di-(.beta.-hydroxyethyl)-sulfamoyl, N-phenylsulfamoyl, ureido hydroxyl, carboxyl, sulfomethyl, or sulfo, R.sub.1 is hydrogen or C.sub.1-4 -alkyl unsubstituted or substituted by halogen, hydroxyl, cyano, C.sub.1-4 -alkoxy, methoxycarbonyl, ethoxycarbonyl, sulfamoyl, sulfato, carboxyl or sulfo, R.sub.2 is (1) hydrogen, (2) alkyl unsubstituted or substituted by halogen, hydroxy, cyano, alkoxy, methoxycarbo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.