Azo compounds from pigments of a heterocyclic-substituted anilin

Details Azo compounds from pigments of a heterocyclic-substituted anilin Azo compounds from pigments of a heterocyclic-substituted anilin

1974-01-07

1976-03-02

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 260156, C09B 2936

Patent

active

039417662

ABSTRACT:
Azo pigments having 2,6-dihydroxy-4-methyl-3-cyanopyridine or 2,6-dihydroxy-4-methyl-3-carbamolpyridine as coupling component and a heterocyclic substituted aniline as diazo component. The pigments have the formula ##SPC1##
In which

REFERENCES:
patent: 3725383 (1973-04-01), Austin et al.

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