Cationic ampholytic tetrapolymers and cosmetic compositions containing them
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United States of America Patent
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May 20, 1986
Grant Date -
N/A
app pub date -
Oct 10, 1984
filing date -
Oct 19, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to new cationic ampholytic water-soluble tetrapolymers for cosmetic compositions for treating keratinous fibers and resulting from copolymerization of: a moles of acrylamide, AAM, b moles of 2-acrylamido-2-methyl-propane sulfonic acid, AMPS, b moles of a basic monomer selected from the three following monomers: dimethylaminoethyl acrylate, ADAME, N-(3-dimethylamino-1-propyl) acrylamide, DMAPA, N-(3-dimethylamino-1-propyl) methacrylamide, DMAPMA, c moles of a cationic monomer selected from the four following monomers: N,N,N-3-trimethylacrylamido-propanaminium chloride, APTAC, N,N,N-3-trimethylmethacrylamido-propanaminium chloride, MAPTAC, N,N,N-2-trimethylacryloyloxy-ethanaminium chloride, CMA, dimethylaminoethyl acrylate hydrochloride, CHA, with the following relations: a+2b+c=100 30
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