Asymmetric 1:2-chromium complex dyes containing two azo dyes, on

Details Asymmetric 1:2-chromium complex dyes containing two azo dyes, on Asymmetric 1:2-chromium complex dyes containing two azo dyes, on

1986-12-19

1989-10-17

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534697, 534699, 534700, 534690, 534693, 534684, C09B 4506, C09B 4516, C09B 4526, C09B 4548

Patent

active

048748498

ABSTRACT:
Dyes suitable for dyeing wool, polyamide and leather in orange, brown or olive-brown shades are disclosed, the dyes having the formula ##STR1## wherein A and D are each independently of the other a benzene or napththalene radical of a diazo component, which component carries the hydroxyl or carboxyl group in the ortho-position to the azo group;

REFERENCES:
patent: 3221003 (1965-11-01), Scholl et al.
patent: 3516980 (1970-06-01), Dore et al.
patent: 4000965 (1977-01-01), Meninecke et al.
patent: 4113719 (1978-09-01), Fuchs et al.
patent: 4118381 (1978-10-01), Fuchs et al.
patent: 4145339 (1979-03-01), Fuchs et al.
patent: 4625017 (1986-11-01), Puntener

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