Reactive formazan dyestuffs

Details Reactive formazan dyestuffs Reactive formazan dyestuffs

1998-12-04

1999-08-10

Powers, Fiona T.

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

Organic compounds

Azo

534612, C09B 62503, C09B 62018

Patent

active

059360739

ABSTRACT:
The present invention provides the reactive formazan dyestuffs of the following formula (I), ##STR1## wherein m, Y, R, X.sub.1, X.sub.2, and M are defined in this document. These kinds of dyestuffs have deep-dyeing ability, and they are suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, synthetic cotton, hemp, and synthetic hemp.

REFERENCES:
patent: 3926942 (1975-12-01), Yelland
patent: 4507236 (1985-03-01), Seiler et al.
patent: 4556706 (1985-12-01), Hegar et al.
patent: 4925928 (1990-05-01), Tzikas
patent: 5041540 (1991-08-01), Pandl et al.

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