Tris-azo black or grey dyes for leather or pelts

Details Tris-azo black or grey dyes for leather or pelts Tris-azo black or grey dyes for leather or pelts

1988-01-29

1989-06-06

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Leather dyeing

8522, 8681, 8687, 8917, 8918, 8924, 8926, 8928, 534809, 534815, D06P 332, D06P 139, C09B 3546, C09B 3116

Patent

active

048368270

ABSTRACT:
The compounds of the formula (1) given in claim 1 are suitable for use as dyes for dyeing a wide range of textile and non-textile materials and in particular for dyeing leather and pelts.

REFERENCES:
patent: 3840514 (1974-10-01), Sailer et al.
patent: 3917887 (1975-11-01), Stiller
patent: 4097467 (1978-06-01), Wicki
patent: 4285860 (1981-08-01), Hansen et al.
patent: 4468348 (1984-08-01), Wicki

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