Cationic azo dyes based on aminobenzoic acid

Details Cationic azo dyes based on aminobenzoic acid Cationic azo dyes based on aminobenzoic acid

1999-05-05

2000-04-11

Powers, Fiona T.

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

Organic compounds

Azo

534606, 534614, 8639, 560 36, 564156, C09B 4402, C09B 6722, C09B 3521, C07C22956, C07C23734

Patent

active

060489685

ABSTRACT:
Cationic azo dyes of the formula I ##STR1## where the variables are as defined in the specification, amines as their intermediates, processes for preparing them, their use for dyeing and printing natural or synthtic substrates, and their mixtures are described.

REFERENCES:
patent: 4656256 (1987-04-01), Colberg et al.
patent: 5117058 (1992-05-01), Chem et al.

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