Azo dyes comprising a heterocyclic diazo component

Details Azo dyes comprising a heterocyclic diazo component Azo dyes comprising a heterocyclic diazo component

1979-11-07

1984-08-14

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C09B 29039, C09B 29045, C09B 2908, D06P 354

Patent

active

044656289

ABSTRACT:
An azo dye comprising a heterocyclic diazo component, of the general formula ##STR1## where D is a radical of the formula ##STR2## Y is nitro, chlorine or bromine, Z is hydrogen, chlorine, bromine, cyano or nitro,

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patent: 3919188 (1975-11-01), Hagen et al.
patent: 3985726 (1976-10-01), Artz
patent: 4002604 (1977-01-01), Fawkes et al.
patent: 4062642 (1977-12-01), Deucker et al.
patent: 4111930 (1978-09-01), Meybeck

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