Cosmetic composition for treating keratin fibres, and process for treating the latter
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United States of America Patent
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Feb 18, 1992
Issued Date -
N/A
app pub date -
Aug 30, 1989
filing date -
Jan 15, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cosmetic compositions for treating the hair, nails and skin are described which contain, in a solvent medium, at least one amphoteric polymer of betainised dialkylaminoalkyl (meth)acrylate or dialkylaminoalkyl(meth)acrylamide, containing at least units of the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a methyl group, R.sub.2 denotes an alkylene group having 1 to 4 carbon atoms, Y denotes O or NH and R.sub.3 and R.sub.4 independently of one another denote hydrogen or alkyl having 1 to 4 carbon atoms, and at least one cationic derivative.
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