Process for the trichromatic dyeing of leather

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

1987-01-12

1989-01-24

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

8436, 8437, 8639, D06P 110, D06P 330, D06P 332

Patent

active

047999330

ABSTRACT:
A mixture comprising a yellow dye and a red dye each of formula I and a grey dye of formula II is employed in accordance with claim 1 for the trichromatic dyeing of leather.

REFERENCES:
patent: 4427411 (1984-01-01), Puntener
patent: 4452602 (1984-06-01), Puntener

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