Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye
Patent
1996-10-31
1998-02-17
Einsmann, Margaret
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Azo, acridone, or quinone dye
8677, 8688, 8696, 8918, 8917, 8924, 8549, 552230, 552232, 552233, 544188, 544189, D06P 366, C09B 130, C09B 134
Patent
active
057187304
ABSTRACT:
Anthraquinone dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently of one another are hydrogen or are substituted or unsubstituted C.sub.1 -C.sub.12 alkyl,
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patent: 4325705 (1982-04-01), Harms et al.
patent: 4355163 (1982-10-01), von Oertzen et al.
patent: 4507236 (1985-03-01), Seiler et al.
patent: 4631341 (1986-12-01), Kayane et al.
patent: 4925927 (1990-05-01), Tzikas
patent: 5410041 (1995-04-01), Muller
Derwent Abst. 85-300340/48 of J 0 208-366A, Oct 19, 1985.
Chem. Abst. vol. 84 (18), No. 123403a of JP 75-157422, Dec. 1975.
Ciba Specialty Chemicals Corporation
Crichton David R.
Einsmann Margaret
Mansfield Kevin T.
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