Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1995-03-27
1996-09-10
Powers, Fiona T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
8549, C09B 62085, C09B 62473, D06P 324
Patent
active
055547338
ABSTRACT:
Reactive dyes of formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by hydroxyl, R.sub.2 and R.sub.3 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or sulfo, and Y is .alpha.,.beta.-dihalopropionyl or .alpha.-haloacryloyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials, in high tinctorial yield, and give dyeings and prints with good fastness properties.
REFERENCES:
Shirasaki et al., Chemical Abstracts, 84:123388 (1976) Abstract of JP 50-157,420 Dec. 19, 1975.
E. Siegel, The Chemistry of Synthetic Dyes, vol. VI, K. Venkataraman, pp. 130-134 (1972).
Derwent Abstract No. 23834A/13 (JP-A-75/157420) Dec. 19, 1975.
Deitz Rolf
Tzikas Athanassios
Ciba-Geigy Corporation
Mansfield Kevin T.
Powers Fiona T.
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