Patent ID: 7572301

Claim:
A reactive dye of formula wherein Q 1 and Q 2 are each independently of the other hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, D 1 corresponds to a radical of formula (5) or (11) wherein R 5 is hydrogen or C 1 -C 4 alkyl, (R 7 ) 0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino, carboxy and sulfo, X 4 is fluorine or chlorine, Z 2 is a fibre-reactive radical of formula —SO 2 —Y (3a), wherein Y is vinyl or β-sulfatoethyl, T 3 is a radical of formula wherein (R 7 ) 0-3 is as defined hereinabove, (R 8 ) 0-3 denotes from 0 to 3 identical or different substituents from the group halogen, nitro, cyano, trifluoromethyl, sulfamoyl, carbamoyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy unsubstituted or substituted by hydroxy, sulfato or by C 1 -C 4 alkoxy, amino, C 2 -C 4 alkanoylamino, ureido, hydroxy, carboxy, sulfomethyl, C 1 -C 4 alkylsulfonylamino and sulfo, R 11 and R 13 are each independently of the other hydrogen, C 1 -C 4 alkyl or phenyl, R 12 is hydrogen, cyano, carbamoyl or sulfomethyl, (R 14 ) 0-3 denotes from 0 to 3 identical or different substituents from the group C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, carboxy and sulfo, and Z 2 is as defined hereinabove, K 3 is the radical of a coupling component of formula wherein R′ 8 is hydrogen, sulfo, or C 1 -C 4 alkoxy unsubstituted or substituted in the alkyl moiety by hydroxy or by sulfato, and R′ 8a is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino, ureido or a radical of formula wherein R 1a is hydrogen, T 1 is amino; N-mono- or N,N-di-C 1 -C 4 alkylamino unsubstituted or substituted in the alkyl moiety/moieties by hydroxy, sulfato or by sulfo; morpholino; phenylamino unsubstituted or substituted on the phenyl ring by sulfo, carboxy, acetylamino, chlorine, methyl or by methoxy; or N—C 1 -C 4 alkyl-N-phenylamino unsubstituted or substituted in the same way on the phenyl ring and in which the alkyl is unsubstituted or substituted by hydroxy, sulfo or by sulfato; or naphthylamino unsubstituted or substituted by from 1 to 3 sulfo groups, and X 1 is chlorine D 2 has the same definition as D 1 or is a radical of formula wherein (Q 3 ) 0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, carboxy and sulfo and Z 1 is a radical of formula —SO 2 —Y (3a), —NH—CO—(CH 2 ) m —SO 2 —Y (3b), —CONH—(CH 2 ) n —SO 2 —Y (3c), —NH—CO—CH(Hal)-CH 2 -Hal (3d) or —NH—CO—C(Hal)=CH 2 (3e), Y is vinyl or a —CH 2 —CH 2 —U radical and U is a group that is removable under alkaline conditions, m and n are each independently of the other the number 2, 3 or 4, and Hal is halogen, with the proviso that the dye of formula (1) does not contain a hydroxysulfonylmethyl group.