Dye mixture containing at least four diazo dyes having the same color with a diaminopyridine coupling component

摘要

Dye mixtures comprising at least 4 dyes of the same color having the formula ##STR1## where D is the radical of a diazo component of the aminoanthraquinone, aniline, aminothiophene, aminothiazole, aminoisothiazole, aminothiadiazole or aminobenzisothiazole series, PPone of X1 and X2 is substituted or unsubstituted phenylamino while the other is a radical of the formula NH--L--O--R, where L is substited or unsubstituted C.sub.2 -C.sub.8 -alkylene, and PPR is hydrogen, C.sub.1 -C.sub.4 or C.sub.1 -C.sub.3 - alkanoyl,PPare useful for dyeing or printing textile materials.