Azo dyes, their preparation and use

Details Azo dyes, their preparation and use Azo dyes, their preparation and use

1979-01-22

1981-08-11

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 260156, 260146R, 260146D, 260146T, C09B 2922, C09B 2936, C09B 3114

Patent

active

042833310

ABSTRACT:
Azo dyes of the formula ##STR1## in which D is the sulfo group-containing radical of an aromatic or heterocyclic diazo component, which can be further substituted and itself can contain an azo bridge, R.sub.1 and R.sub.2 independently of one another are each a hydrogen atom or a substituted or unsubstituted alkyl or aryl radical and X is a substituted or unsubstituted alkyl or alkenyl radical, and their heavy metal complexes, it being possible for the azo dyes of the formula (1) and their heavy metal complexes to contain reactive radicals.

REFERENCES:
patent: 4039523 (1977-08-01), Hegar

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