Red 2,6-dicyanophenylazo dyes and the preparation and use thereo

Details Red 2,6-dicyanophenylazo dyes and the preparation and use thereo Red 2,6-dicyanophenylazo dyes and the preparation and use thereo

1993-02-08

1995-06-27

Lee, Mary C.

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

Organic compounds

Azo

534798, 534847, 534853, C09B 29085, D06P 118

Patent

active

054281385

ABSTRACT:
The azo dyes of the formula I ##STR1## where X.sup.1 is for example hydrogen or (C.sub.1 to C.sub.6)alkyl,

REFERENCES:
patent: 3962209 (1976-06-01), Gotteschlich et al.
patent: 4035143 (1977-07-01), Heinrich et al.
patent: 4087420 (1978-05-01), Heinrich et al.
patent: 4448719 (1984-05-01), Schwander

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