Bleaching and dyeing; fluid treatment and chemical modification – Nontextile – dyeing process or product – including inorganic... – Polymer from polyol and a polycarboxylic acid or derivative...
Patent
1983-11-07
1985-01-22
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Nontextile, dyeing process or product, including inorganic...
Polymer from polyol and a polycarboxylic acid or derivative...
8583, 8637, 8638, 8650, 8696, 8922, C08J 320, C08K 534, C08L 6702, C09B 5700
Patent
active
044949553
ABSTRACT:
Disclosed is mass-dyed polyester comprising, as dyestuff, a compound or mixture of compounds of formula I ##STR1## wherein R.sub.1 is a direct bond, --CONH-- or --NHCO--, R.sub.2 is alkyl, phenyl or naphthyl, optionally substituted or cyano, provided that R.sub.1 is a direct bond when R.sub.2 is cyano, and R.sub.3 is hydrogen, methyl, ethyl, alkoxy-C.sub.1-3 -carbonyl or --CH.dbd.CH--CH.dbd.CH-- bound in the 1,2-position.
REFERENCES:
patent: 2772274 (1956-11-01), Schmidt-Nickels
patent: 2863714 (1958-12-01), Long et al.
patent: 4042591 (1977-08-01), Kaul
Bitterli Peter
Kaul Bansi L.
Clingman A. Lionel
Doyle Thomas C.
Sandoz Ltd.
Sharkin Gerald D.
Vila Richard E.
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