Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1975-06-18
1976-08-10
Rosen, Sam
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 10, 8 41R, 8 87, 8 88, 8 85R, 424DIG2, 424 70, 424 71, A61K 713
Patent
active
039739015
ABSTRACT:
A process for coloring hair and the hair coloring compositions employed therefor are disclosed. Said process essentially comprises treating the hair with an acid dye in the presence of an aqueous solution of a water soluble cationic polymer selected from the group consisting of water-soluble acid salts of aminoalkyl esters of homo- and copolymers of unsaturated carboxylic acids having from 3 to 5 carbon atoms. Said hair coloring composition essentially comprises an aqueous solution of a water-soluble acid salt of an aminoalkyl ester of a homo- or copolymer of said unsaturated carboxylic acids in combination with a small amount of an acid dye.
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Legato Gerard J.
Micchelli Albert L.
Nowak, Jr. Frank A.
Clarke Vera C.
National Starch and Chemical Corporation
Rosen Sam
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