PROCESS FOR THE DYEING OF LEATHER

To improve the affinity of anionic dyestuffs in the dyeing of leather materials, polycondensation products consisting of at least one amine of the formula (I) (II) (III) in which the radicals have the meanings mentioned in the description with one dicarboxylic acid and, if desired, .omega.-aminocarb...

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Bibliographische Detailangaben
Hauptverfasser: MENNICKE, WINFRIED, TRAUBEL, HARRO
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:To improve the affinity of anionic dyestuffs in the dyeing of leather materials, polycondensation products consisting of at least one amine of the formula (I) (II) (III) in which the radicals have the meanings mentioned in the description with one dicarboxylic acid and, if desired, .omega.-aminocarboxylic acid or its lactam are highly suitable. Le A 27 251 -US