Patent ID: 6852135

Claim:
A dye of the general formula (1): wherein M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion, X is halogen, C 1 -C 4 alkoxy, amino, a 5- or 6-membered nitrogen heterocycle of the formula (a), (b), (c) or (d) wherein when X is a group of the formula (a) A- is fluoride, chloride or the equivalent of a sulfate ion and n is 1 or 2; or X is unsubstituted or sulfo- or hydroxyl-mono- or -disubstituted anilino, an alkylamino or N,N-dialkylamino with C 1 -C 4 -alkyl, R 1 is C 1 -C 6 alkyl, C 1 -C 6 -alkoxy, chlorine, C 1 -C 4 -alkylcarbonylamino or arylcarbonylamino; R 2 has any meaning of R 1 or else R 1 and R 2 combine to form a ring of the formula (f) or (g): R 3 is C 1 -C 6 -alkyl or hydrogen; Q is a grouping of the formula (e) wherein R 4 has any meaning of R 3 or is phenyl which is optionally substituted by chlorine or sulfo; W is a C n H 2n -alkylene group wherein n is 2 to 6, which is optionally interrupted by 1 or 2 oxygen atoms or an NR 5 group, wherein R 5 has any meaning of R 3 or is phenyl, or else when X is fluorine or chlorine, Q can be a group of the formula (a), (b), (c) or (d), Y is vinyl or is a grouping of the formula CH 2 CH 2 Z wherein Z is an alkali-eliminable group.