Azo dye mixtures
AssigneeCiba Specialty Chemicals Corporation
InventorsPaul Herzig, Antoine Clement, Romeo Dreier, Alfons Arquint
Life of this patent
Estimating the term…
Abstract
A dye mixture, which comprises as component (A) a dye of formula as component (B) a dye of formula ##STR1## and/or as component (C) a dye of formula ##STR2## wherein D, X and Y are as defined in the specification. These dyes are particularly suitable for dyeing polyester fiber textile material.
Claims11
A dye mixture, which comprises as component (A) a dye of formula ##STR21## as component (B) a dye of formula ##STR22## and/or as component (C) a dye of formula ##STR23## wherein D is in each case the radical of a diazo component of the benzene, naphthalene, diphenyl, azobenzene, thiophene, benzisothiazole, thiazole, thiadiazole, indazole, benzotriazole, pyrazole, anthraquinone, hydroxynaphthoic acid imide, chromone or diphenylene oxide series,
- X is in each case hydrogen, halogen, CF.sub.3, R.sub.3, OR.sub.3, NH--CO--R.sub.7, NH--CO--OR.sub.8, NH--SO.sub.2 --R.sub.7 or NHCO--NR.sub.4 R.sub.5, wherein R.sub.3 is C.sub.1 -C.sub.6 alkyl, R.sub.4 and R.sub.5 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.2 -C.sub.4 alkyl, R.sub.7 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or phenyl, and R.sub.8 is C.sub.1 -C.sub.6 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.2 -C.sub.4 alkyl, and Y is in each case hydrogen, halogen, methoxy, ethoxy or O(CH.sub.2),--OR.sub.9, wherein R.sub.9 is hydrogen, methyl or CH.sub.2 CH.sub.2 CN, and n is an integer from 1 to 6.
A coupling component mixture, which comprises the compounds of formulae ##STR27## wherein X is in each case hydrogen, halogen, CF.sub.3, R.sub.3, OR.sub.3, NH--CO--R.sub.7, NH--CO--OR.sub.8, NH--SO.sub.2 --R.sub.7 or NHCO--NR.sub.4 R.sub.5, wherein R.sub.3 is C.sub.1 -C.sub.6 alkyl, R.sub.4 and R.sub.5 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.2 -C.sub.4 alkyl, R.sub.7 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or phenyl, and R.sub.8 is C.sub.1 -C.sub.6 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.2 -C.sub.4 alkyl, and Y is in each case hydrogen, halogen, methoxy, ethoxy or O(CH.sub.2).sub.n --OR.sub.9, wherein R.sub.9 is hydrogen, methyl or CH.sub.2 CH.sub.2 CN, and n is an integer from 1 to 6.
Dependencies are inferred from the claim text.