Method of dyeing leather with metal complex dyes comprised of me

Details Method of dyeing leather with metal complex dyes comprised of me Method of dyeing leather with metal complex dyes comprised of me

1991-10-28

1992-11-03

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Leather dyeing

8437, 534663, 534669, 534714, 534715, D06P 332, D06P 500, C09B 4524

Patent

active

051605040

ABSTRACT:
Use of metal complex dyes comprised of metalizable azo compounds to dye metal-tanned leather which makes possible good permeability and excellent color fastness to rubbing and color fastness to light.

REFERENCES:
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patent: 2644812 (1953-07-01), Ruckstuhl et al.
patent: 2842538 (1958-07-01), Byland
patent: 2941991 (1960-06-01), Byland
patent: 3038893 (1962-12-01), Andrew et al.
patent: 3057844 (1962-10-01), Andrew et al.
patent: 4091021 (1978-05-01), Andrew et al.
Zollinger, Azo and Diazo Chemistry, Interscience Publishers, New York, 1961, p. 359.

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