Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye
Patent
1983-08-10
1985-02-26
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Azo, acridone, or quinone dye
8679, 8680, 8696, 8924, 260371, 260372, 260374, C09B 134, D06P 140
Patent
active
045015929
ABSTRACT:
The invention relates to dyes of the formula ##STR1## wherein X is oxygen or sulfur, R is hydrogen or C.sub.1 -C.sub.4 alkyl, Y is an unsubstituted or substituted aryl radical, n is 1, 2 or 3, the benzene ring A may be substituted by halogen and the benzene rings B and D may each independently be substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or a radical of the formula --O--CH.sub.2 CH.sub.2 --O--R.sub.1, wherein R.sub.1 is hydrogen, methyl or ethyl. These dyes are suitable for dyeing or printing natural or synthetic polyamide fibres.
REFERENCES:
patent: 3320287 (1967-05-01), Schwander
patent: 3665019 (1972-05-01), Singer
patent: 4188187 (1980-02-01), Mislin et al.
patent: 4309180 (1982-01-01), Lacroix et al.
Adam Jean-Marie
Bloch Peter
Ciba-Geigy Corporation
Clingman A. Lionel
McC. Roberts Edward
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