Phthalimidylazo dyes

Details Phthalimidylazo dyes Phthalimidylazo dyes

1991-02-15

1993-06-08

Lee, Mary C.

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

Organic compounds

Azo

534596, 534597, 534775, 534887, 8532, 8533, 8539, 8639, 8467, C09B 29036, C09B 2909, D06P 118, D06P 342

Patent

active

052180956

ABSTRACT:
The novel dispersion dyes of the formula ##STR1## in which R.sub.1 is a C.sub.2 -C.sub.8 alkyl radical which is substituted by hydroxyl, halogen, a radical --X--C.sub.1 -C.sub.8 alkyl or --X--phenyl, in which X is a bridging member of the formula --O--, ##STR2## and R.sub.2 and R.sub.3, independently of one another, are each an unsubstituted C.sub.1 -C.sub.8 alkyl radical or a C.sub.2 -C.sub.8 alkyl radical which is substituted as mentioned for R.sub.1, or in which R.sub.1 and R.sub.2 together with the nitrogen atom linking them are a heterocyclic radical, are suitable in particular for the dyeing of polyester textile material.

REFERENCES:
patent: 3980634 (1976-09-01), Weaver

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