Patent ID: 6228131
Filing Date: 2001-05-08
Classification: C09B,D06P,Y10S

Abstract:
A dye mixture comprising one or more dyes selected from the group of the dyes of the hereinbelow indicated and defined general formula (1) and one or more dyes selected from the group of the dyes of the hereinbelow indicated and defined general formula (2) in a molar ratio of the dye or dyes (1) to the dye or dyes (2) of 75:25 to 25:75 ##STR7##where:M is hydrogen or an alkali metal;Y.sup.1 is vinyl or is ethyl which is substituted in the .beta.-position by an alkali-eliminable substituent;Y.sup.2 has one of the meanings of Y.sup.1 ;R.sup.1 is hydrogen, chlorine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxyl or sulfo;R.sup.2 is hydrogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms;R.sup.3 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or sulfo;R is amino or alkyl of 1 to 6 carbon atoms optionally substituted;R.sup.4 is hydrogen, chlorine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or sulfo;R.sup.5 is hydrogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms;R.sup.6 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or sulfo;n is 1;R.sup.7 is methyl or carboxyl;R.sup.8 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or chlorine;R.sup.9 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or chlorine;m is zero, 1 or 2 (when m is zero, this group is hydrogen).