3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereof

Details 3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereof 3-cyano-5-nitrothiophene type monoazo dyes and mixtures thereof

1993-07-13

1995-08-08

Higel, Floyd D.

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

Organic compounds

Azo

8512, 8639, 534753, 534773, C09B 2942, C09B 2936, C09B 29033, C09B 2933, D06P 1118

Patent

active

054400244

ABSTRACT:
A monoazo disperse dye for dyeing polyester fibers of the following formula (I): ##STR1## wherein one of R.sup.1 and R.sup.2 is ##STR2## wherein W is hydrogen, halogen, C.sub.1 -C.sub.2 alkyl or alkoxy, the other of R.sup.1 and R.sup.2 is C.sub.1 -C.sub.4 alkyl, or C.sub.2 -C.sub.4 alkyl substituted by cyano, halogen, hydroxy, hydroxyalkoxy, C.sub.1 -C.sub.4 alkoxy, hydroxyalkoxyalkoxy, acetoxalkoxy, acyloxyalkoxyalkoxy alkoxyalkoxy, alkoxycarbonyloxy or acetoxy, and Y is hydrogen or halogen.

REFERENCES:
patent: 4855413 (1989-08-01), Dehnert et al.
patent: 4952681 (1990-08-01), Hansen et al.
patent: 4994564 (1991-02-01), Etzbach et al.

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