Disperse dyes

Details Disperse dyes Disperse dyes

1999-04-20

2000-08-29

Powers, Fiona T.

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

Organic compounds

Azo

534581, 560 43, 8693, 8922, C09B 29085, D06P 354, C07C23343

Patent

active

061110833

ABSTRACT:
Disperse dyes of formula ##STR1## wherein R.sub.1 is nitro or cyano, R.sub.2 is halogen, R.sub.3 is C.sub.1 -C.sub.4 alkyl, R.sub.4 and R.sub.5 are each independently of the other methyl or ethyl and R.sub.6 is hydrogen, methyl or ethyl, with the proviso that R.sub.6 is not hydrogen if R.sub.1 is cyano, R.sub.2 is halogen and R.sub.3 is methyl or isopropyl or if R.sub.1 is nitro, R.sub.2 is halogen and R.sub.3 is methyl.
These dyes are suitable in particular for dyeing and printing polyester textile materials.

REFERENCES:
patent: 2373700 (1945-04-01), NcNally et al.
patent: 3406165 (1968-10-01), Kruckenberg
patent: 5550217 (1996-08-01), Trottmann
patent: 5723587 (1998-03-01), Clement et al.
patent: 5869628 (1999-02-01), Herzig et al.
patent: 5939579 (1999-08-01), Herzig et al.
patent: 5942604 (1999-08-01), Herzig et al.

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