Patent ID: 6190423
Filing Date: 2001-02-20
Classification: C09B,D06P

Abstract:
A dye mixture comprising one or more monoazo dyestuffs corresponding to the general formula (1) and one or more dyestuffs corresponding to the general formula (2a), (2b) or (2c) ##STR67##in whichR.sub.1 is hydrogen, sulfo, C.sub.1 -C.sub.4 alkyl, alkoxy or halogen;R.sub.2 has one of the meanings of R.sub.1 ;R.sub.3 is C.sub.1 -C.sub.4 -alkyl, phenyl, carboxy or C.sub.1 C.sub.4 -carboxyalkyl;R.sub.4 has one of the meanings of R.sub.3 ;Y.sub.1 is vinyl or is ethyl which is substituted in the .beta.-position by a substituent which is eliminated by the action of an alkali, forming the vinyl group;Y.sub.2 has one of the meanings of Y.sub.1,B is a radical of the formulae (3) or (4) or (5);M is hydrogen or an alkali metal; ##STR68##in which,R.sub.5 has one of the meanings of R.sub.1 :R.sub.6 has one of the meanings of R.sub.1 ;Y.sub.3 has one of the meanings of Y.sub.1 :Y.sub.4 has one of the meanings of Y.sub.1 ;m is a number 0, 1, or 2;is a number 0 or 1;n is a number 0 or 1; a structure of the formula (3);M is hydrogen or an alkali metal;R.sub.10 is amino, substituted or unsubstituted C.sub.1-C.sub.4 alkyl, substituted or unsubstituted phenyl;D is the radical (3), (4), or (5);G is amino or hydroxy;X is hydroxy, chloro, fluoro, morpholino, nicotinamido, 3-carboxypyridino, or a radical of the formulae L;r, t, w are identical or different and are the number 0 or 1;L has one of the meanings of formulae (12), (13) or (14);M is hydrogen or an alkali metal; ##STR69##in whichR.sub.12 is hydrogen, C.sub.1-C.sub.4 alkyl, C.sub.1 -C.sub.14 alkoxy, halogen or sulfo;R.sub.13 is hydrogen, C.sub.1-C.sub.4 alkyl, alkoxy, halogen or sulfo;R.sub.14 is hydrogen, C.sub.1 -C.sub.6 alkyl, or substituted or unsubstituted phenyl:R.sub.15 is hydrogen or sulfo;R.sub.16 is hydrogen, C.sub.1 -C.sub.6 alkyl, or substituted or unsubstituted phenyl;R.sub.17 is hydrogen, C.sub.1 -C.sub.6 alkyl, or substituted or unsubstituted phenyl;Y.sub.5 has one of the meanings of Y.sub.1Y.sub.6 has one of the meanings of Y.sub.1 ;n' is the number 0 or 1;q represents C.sub.1 -C.sub.5 -alkylene groups, which is optionally interrupted by a nitrogen, oxygen, or a sulfur atom; andZ is a radical of the formulae (12) or (14).