Patent ID: 7553340

Claim:
A reactive dye of formula wherein R 1 is hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, R 2 is hydrogen; C 1 -C 4 alkyl; C 1 -C 4 alkoxy unsubstituted or substituted by sulfato, hydroxy or by C 1 -C 4 alkoxy; halogen; carboxy or sulfo, R 3 is hydrogen; C 1 -C 4 alkyl; C 1 -C 4 alkoxy unsubstituted or substituted by sulfato, hydroxy or by C 1 -C 4 alkoxy; halogen; nitro; C 2 -C 4 alkanoylamino; ureido; carboxy or sulfo, (R 4 ) k denotes k identical or different substituents selected from the group halogen, C 1 -C 4 -alkyl, C 1 -C 4 alkoxy, carboxy and sulfo, X is halogen and V is a radical of formula wherein R 5 is unsubstituted or substituted C 1 -C 4 alkyl, (R 6 ) l denotes l identical or different substituents from the group C 1 -C 4 alkyl, C 1 -C 4 alkoxy and sulfo, and l is the number 0, 1 or 2, Y is vinyl or a —CH 2 —CH 2 —U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH 2 -Hal or —C(Hal)=CH 2 group, Hal is halogen and k is the number 0, 1, 2 or 3.