Patent ID: 7105645

Claim:
Dyes of the general formula (1): where M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion, x is 0 or 1, Y is —CH═CH 2 or —CH 2 CH 2 Z 1 , where Z 1 is hydroxyl or an alkali-detachable group, and R 1 is hydrogen or C 1 –C 4 -alkyl; R 2 is a moiety of the general formulae (2), (3) or (4) where T 1 is hydrogen, methyl, fluorine, chlorine or bromine, T 2 is hydrogen, fluorine or chlorine with the proviso that T 2 and T 1 are not both hydrogen; T 3 is hydrogen, methyl, fluorine, chlorine or bromine, Y′ is —CH═CH 2 or —CH 2 CH 2 Z 1 , where Z 1 is hydroxyl or an alkali-detachable group, and L is phenylene or naphthylene, which may be substituted by up to two substituents selected from the group consisting of chloro, bromo, hydroxyl, C 1 to C 4 -alkyl, sulfo, cyano, or L is a C 2 to C 6 alkylene which is optionally interrupted by 1 to 2 hetero groups.