Use of 1:2 chromium or cobalt complex dyes for dyeing leather or

Details Use of 1:2 chromium or cobalt complex dyes for dyeing leather or Use of 1:2 chromium or cobalt complex dyes for dyeing leather or

1982-03-19

1984-01-24

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

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

8436, 8437, D06P 110, D06P 330, D06P 332

Patent

active

044274114

ABSTRACT:
The dyes of the formula I indicated in patent claim 1 are suitable for dyeing furs and especially leather.
They are preferably used as a mixture with a red dye and a yellow dye for dyeing leather by the trichromatic process.

REFERENCES:
patent: 4085097 (1978-04-01), Beffa et al.
patent: 4150942 (1979-04-01), Holliger et al.

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