Chromium complex dye, including azo and azo methine dye compound

Details Chromium complex dye, including azo and azo methine dye compound Chromium complex dye, including azo and azo methine dye compound

1976-04-27

1977-07-05

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260145B, 260151, C09B 4526, C09B 4506

Patent

active

040339424

ABSTRACT:
1:2 Chromium complex dyes of an azo compound of the formula ##STR1## and an azomethine compound of the formula ##STR2## COMPLEXED TO A CHROMIUM ATOM, WHEREIN A is an ortho-phenylene or -- naphthylene diazo component radical; B is an ortho-phenylene or -- naphthylene coupling component radical; X is --O-- or --CO--O--; X' is --O--, --NH--, --N(lower alkyl)--, --N(aralkyl)-- or --N(aryl)--; R is an aliphatic radical; the benzene ring "a" is unsubstituted or substituted by a fused benzene ring, halo, nitro alkyl or alkoxy; the molecule containing 0-5 water solubilizing groups and optionally a group of the formula --N=N--Ar--N=N--Ar' and/or -N=N--Ar" wherein Ar, Ar' and Ar" represent an aromatic or carbocyclic radical.

REFERENCES:
patent: 2985646 (1961-05-01), Schetty et al.
patent: 3314932 (1967-04-01), Scholl et al.
patent: 3391132 (1968-07-01), Beffa et al.
patent: 3406162 (1968-10-01), Neier
patent: 3661898 (1972-05-01), Dehnert et al.
patent: 3939140 (1976-02-01), Meinniger et al.

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