1:2 chromium or cobalt metal complex dyes and use thereof for dy

Details 1:2 chromium or cobalt metal complex dyes and use thereof for dy 1:2 chromium or cobalt metal complex dyes and use thereof for dy

1985-12-09

1987-12-01

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Leather dyeing

8 941R, 8 9427, 8436, 8682, 8685, 8917, 8924, 534696, 534721, 534723, 534725, 534692, C09B 2930, C09B 4514, D06P 110, D06P 324

Patent

active

047101989

ABSTRACT:
A process of dyeing polyamide-containing material is disclosed using dyes of the following formula: ##STR1## wherein Me is cobalt or chromium,

REFERENCES:
patent: 1833237 (1931-11-01), Straub et al.
patent: 1865978 (1932-07-01), Straub et al.
patent: 1888516 (1932-11-01), Straub et al.
patent: 2074225 (1937-03-01), Krebser
patent: 2268936 (1942-01-01), Hasler et al.
patent: 2804454 (1957-08-01), Beffa
patent: 3879336 (1975-04-01), Maeda et al.
patent: 4150942 (1979-04-01), Holliger et al.

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