Invention Grant
US5403363A Dye mixtures containing azo dyes having a coupling component from the diaminopyridine series 失效
包含偶氮染料的染料混合物,其具有来自二氨基吡啶系列的偶联组分

Dye mixtures containing azo dyes having a coupling component from the
diaminopyridine series
Abstract:
Dye mixtures comprising at least six isochromatic dyes of the formula ##STR1## where D is the radical of a diazo component of the aniline, aminothiophene, aminothiazole, aminoisothiazole or aminobenzisothiazole series andone of the radicals X.sup.1 and X.sup.2 is amino and the other is a radical of the formula ##STR2## where L is unsubstituted or substituted C.sub.2 -C.sub.8 -alkyleneR.sup.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl andR.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, or C.sub.1 -C.sub.8 -alkanoyl,and the use thereof for dyeing or printing textile materials, and dye mixtures comprising thienylazopyridine dyes and anthraquinone dyes and the use thereof for dyeing or printing textile materials.
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