Patent ID: 7109313

Claim:
A dye of the general formula (I) where m is 1 or 2, n is 0 or 1, q is 0, 1, 2 or 3 and p is 0, 1 or 2, r is 0, 1 or 2, and p+r is 1 or 2 and X 1 is a radical —CH 2 CH 2 Z or —CH═CH 2 , Z being an alkali-eliminable group, M is hydrogen, ammonium, an alkali metal or the equivalent of an alkaline earth metal, X 2 is alkyl, alkoxy, halogen, COOM or SO 3 M, L is a direct bond or alkylene, L′ is a direct bond or a group of the formula X 3 is a heterocyclic reactive group of the general formula (IIa) or (IIb) or a reactive group of the formula (IIc), (IId) or (IIe) where X 4 to X 6 independently are hydrogen or halogen, with the proviso that at least one radical X 4 to X 6 is halogen, X 7 is halogen or X 8 , and X 8 is a substituent of the general formula (III) where R 1 is hydrogen, alkyl or aryl, B is alkylene, oxygen-interrupted alkylene, arylene or arylalkylene, and R 2 is a radical SO 3 M, SO 2 -CH 2 CH 2 Z or SO 2 -CH═CH 2 , in which Z is as defined above and the ring labeled A is either absent or present.