Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1987-04-09
1989-06-27
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
260507R, 534582, 534775, 534782, 534783, 534845, 534847, 534887, C09B 2901, C09B 29085, C09B 2909, C09B 2936
Patent
active
048431516
ABSTRACT:
The monoazo dyes of the formula ##STR1## in which K is the radical of a coupling component of the aminobenzene, alkoxybenzene, hydroxybenzene, pyrazolone, aminopyrazole, pyrimmidine, indole, diphenylamine or acetoacetamide series, R is a substituted or unsubstituted C.sub.1-12 alkyl, cycloalkyl, aralkyl or aryl radical, X is a --CO-- or --SO.sub.2 -- group, a --COO-- group, R being attached to the oxygen atoms, or an --SO.sub.2 NH-- or ##STR2## group, R being attached to the nitrogen atom and Y being hydrogen or C.sub.1-4 alkyl, and Z is hydrogen or C.sub.1-4 alkyl, produce dyeings having good fastness to light and wet processing on polyamide material.
REFERENCES:
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patent: 3692769 (1972-09-01), Weaver et al.
patent: 3990846 (1976-11-01), Lehinant et al.
patent: 4033943 (1977-07-01), Ramanathan
patent: 4602084 (1986-07-01), Hurter
Geigy III, Chemical Abstracts, vol. 43, #2440e-g (1949).
Ciba-Geigy Corporation
Higel Floyd D.
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