Bis-1:2-chromium complexes of disazo dyes, and their preparation

Details Bis-1:2-chromium complexes of disazo dyes, and their preparation Bis-1:2-chromium complexes of disazo dyes, and their preparation

1983-06-20

1985-03-05

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Leather dyeing

8685, 8681, 8687, 8917, 8924, 534695, 534697, 534699, C09B 4526

Patent

active

045028605

ABSTRACT:
Dyes of the formula I ##STR1## in which A, B, C, D, E, F, Z, Z', X, X', n, n.sub.1, n.sub.2 and n.sub.3, p and Ka.sup..sym. are as defined in claim 1, are particularly suitable for dyeing wool or polyamide and especially leather.

REFERENCES:
patent: 3975369 (1976-08-01), Wicki
patent: 4013630 (1977-03-01), Beffa et al.
patent: 4120854 (1978-10-01), Wicki
patent: 4311641 (1982-01-01), Beffa
patent: 4314937 (1982-02-01), Beffa
patent: 4331596 (1982-05-01), Beffa et al.
patent: 4396544 (1983-08-01), Dore

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