Patent ID: 6136045
Filing Date: 2000-10-24
Classification: C09B,D06P,Y10S

Abstract:
Dye mixtures comprising one or more azo dyes of the general formula ( 1) and one or more azo dyes of the general formula (2) ##STR11## where p is 1 or 2,R.sup.1, R.sup.1' and R.sup.2 are independently hydrogen or a group of the general formula SO.sub.3 M or OCH.sub.3,R.sup.5 and R.sup.6 are independently hydrogen or C.sub.1 -C.sub.4 alkyl,X.sup.1 and X.sup.2 are independently fluorine or chlorine or a grouping of the general formula NR.sup.3 R.sup.4 or OR.sup.3,R.sup.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or optionally substituted aryl,R.sup.4 has one of the meanings of R.sup.3 or is aryl or alkyl (which may be substituted by SO.sub.2 Y, SO.sub.3 M or OCH.sub.3), optionally substituted morpholino or pyrimidino or NHCN,Y, Y.sup.1 and Y.sup.2 are independently vinyl or a grouping of the general formula CH.sub.2 CH.sub.2 Z,Z is a grouping which can be eliminated by the action of alkali, andM is a hydrogen atom, an ammonium ion or the equivalent of an alkali or alkaline earth metal.