Process for the dyeing of leather

Details Process for the dyeing of leather Process for the dyeing of leather

D - Textiles, Paper

06

P

8/6

D06P 1/52 (2006.01) D06P 1/642 (2006.01) D06P 1/645 (2006.01) D06P 3/32 (2006.01)

Patent

CA 2027730

Abstract To improve the affinity of anionic dyestuffs in the dyeing of leather materials, polycondensation pro- ducts consisting of at least one amine of the formula Image (I) Image (II) Image (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

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