Patent ID: 6916350

Claim:
A dye mixture comprising one or more azo dyes of the formula (1) and one more azo dyes of the formula (2) wherein M is a hydrogen atom, an ammonium ion or the equivalent of an alkali earth metal or alkaline earth metal; X 1 is fluoro, chloro, alkoxy, hydroxyl, cyanamido, amino, anilino, anilinesulfonic acid, anilinedisulfonic acid, toluidine, anisole, unsubstituted alkylamino hydroxyl-substituted alkylamino, sulfo-substituted alkylamino or sulfato-substituted alkylamino; X 2 has any of the meanings of X 1 ; Y 1 and Y 2 are independently each ethenyl or a moiety of the formula CH 2 CH 2 Z, wherein Z is a moiety that is eliminable by the action of alkali; R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are independently hydrogen, alkyl, alkoxy, sulfo, hydroxyl, cyano, chloro or bromo; A is hydrogen; unsubstituted C 1 -C 6 -alkyl; C 1 -C 6 -alkyl substituted with sulfo, hydroxyl or sulfato; or N-A is unsubstituted aniline or aniline substituted with sulfo or halogen; B is hydrogen; CH 2 CH 2 SO 2 Y; unsubstituted alkyl; alkyl substituted with SO 2 Y, —OCH 2 CH 2 SO 2 Y or —SO 3 M; unsubstituted phenyl or phenyl substituted by up to three substituents selected from the group consisting of alkyl, alkoxy, sulfo, hydroxyl, cyano, chloro, bromo and SO 2 Y, wherein M and Y are each as defined above; A-N—B alternatively represents cyclic amines; D-T is a direct bond; or T is a sym-triazine substituted in position 2 by X 3 , wherein X 3 has any of the meanings of X 1 , and D is an alkylenediamino bridge of the formulae 3, 4, 5 and 6: wherein n, m, o and p are independently each 1-8, q is selected from the group consisting of zero and one, R 7 , R 8 , and R 9 are independently C 1 -C 4 alkyl, and R 10 is hydrogen or SO 3 M.