Patent ID: 7132517

Claim:
Dyes of the general formula (1): where M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion, v is 0 or 1 and Z 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), (4) or (5) where T 1 is hydrogen, methyl, fluorine or chlorine, T 2 is hydrogen, fluorine or chlorine with the proviso that T 2 and T 1 are not both hydrogen; T 3 is hydrogen, fluorine or chlorine; A is C 1 to C 4 -alkyl which may be substituted by up to two substituents selected from the group consisting of chloro, bromo, hydroxyl and carboxyl, C 2 to C 4 alkenyl which may be substituted by up to two substituents from the group consisting of chloro, bromo and hydroxyl, or phenyl, L is phenylene or naphthalene, which may be substituted by up to two substituents selected from the group consisting of chloro, bromo, hydroxyl, C 1 to C 4 -alkyl especially methyl, ethyl, sulfo and cyano, or else is a C 2 to C 6 alkylene; Z is —CH═CH 2 , —CH 2 CH 2 Z 1 , Where Z 1 is hydroxyl or an alkali-detachable group.