Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothi

Details Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothi Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothi

1990-03-05

1992-12-29

Lee, Mary C.

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

Organic compounds

Azo

534766, 8531, 8532, 8536, 8691, C09B 29039, C09B 2942, C09B 2948, D06P 118

Patent

active

051752654

ABSTRACT:
Benzisothiazole-azo dyes useful for dyeing synthetic fiber materials have the formula ##STR1## where X is hydrogen, chlorine, bromine, cyano or nitro and K is a radical of the formula ##STR2## where R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.12 -alkyl, substituted or unsubstituted phenyl, C.sub.3 -C.sub.5 -alkenyl or C.sub.5 -C.sub.7 -cycloalkyl,

REFERENCES:
patent: 3639387 (1972-02-01), Juergen et al.
patent: 4650860 (1987-03-01), Dehnert et al.
patent: 4929720 (1990-05-01), Hansen et al.

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