Disperse dyes

Details Disperse dyes Disperse dyes

1999-05-13

2000-03-07

Powers, Fiona T.

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

Organic compounds

Azo

8693, 8922, C09B 29085, C09B 6738, D06P 354

Patent

active

060342269

ABSTRACT:
Disperse dyes of formula ##STR1## wherein R is nitro or cyano, R.sub.1 is halogen, R.sub.2 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkoxy, halogen, cyano or phenyl, R.sub.3 is C.sub.1 -C.sub.4 alkyl, R.sub.4 is methyl or ethyl, R.sub.5 is hydrogen, methyl or ethyl, and R6 is methyl or ethyl, with the proviso that R.sub.5 is not hydrogen if R is nitro, R.sub.1 is halogen and R.sub.2 is C.sub.1 -C.sub.4 alkyl.
These dyes are particularly suitable for dyeing and printing textile materials consisting of polyester fibres.

REFERENCES:
patent: 2373700 (1945-04-01), McNally et al.
patent: 3178405 (1965-04-01), Merian et al.
patent: 3637652 (1972-01-01), Fishwick
patent: 4210586 (1980-07-01), Clark et al.
patent: 4389531 (1983-06-01), Clark
patent: 5550217 (1996-08-01), Trottmann
patent: 5723587 (1998-03-01), Clement et al.
Derwent Abstract of JP 58-152,056, Sep. 9, 1983.
Chem. Abstr. 94:67273a, 1981.

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