Dyeing and printing of leather

Details Dyeing and printing of leather Dyeing and printing of leather

1988-08-05

1991-03-26

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Leather dyeing

8436, D06P 332

Patent

active

050025864

ABSTRACT:
A process for the dyeing or printing of leather with anionic metal complex dyes wherein the metal complex dyes are metal complexes of metallizable monoazo dyes or metallizable monoazomethine dyes or both metallizable monoazo and monoazo methine dyes and before the application of the dye or after the application of the dye or both before and after the application of the dye the leather is treated with a product (P) or a mixture of products (P) or an acid addition product thereof, product (P) being a polymer obtainable by reaction of

REFERENCES:
patent: 4425133 (1984-01-01), Puntener
patent: 4427411 (1984-01-01), Puntener
patent: 4452602 (1984-06-01), Puntener et al.
patent: 4453942 (1984-06-01), Puntener et al.
patent: 4507124 (1985-03-01), Puntener et al.

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