COMPLEX COMPOUND DYE MIXTURE

Mixtures of two or more cobalt 1:2 complexes of azo dyes of the formula I I where R is where R1 is hydrogen, C1-C18-alkyl, or hydroxyalkyl or alkoxyalkyl which may be interrupted by oxygen, and X and Y are hydrogen, fluorine, chlorine, bromine, C1-C4-alkyl or C1-C4-alkoxy. The mixtures according to...

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Hauptverfasser: DEIITORITSUHI RATSUHA, KURAUSU GURIHITOORU
Format: Patent
Sprache:eng
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Zusammenfassung:Mixtures of two or more cobalt 1:2 complexes of azo dyes of the formula I I where R is where R1 is hydrogen, C1-C18-alkyl, or hydroxyalkyl or alkoxyalkyl which may be interrupted by oxygen, and X and Y are hydrogen, fluorine, chlorine, bromine, C1-C4-alkyl or C1-C4-alkoxy. The mixtures according to the invention are particularly useful for dyeing leather.