Use of beads of cationic polymers in cosmetic compositions and cosmetic compositions thus obtained
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United States of America Patent
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N/A
Issued Date -
Sep 7, 2006
app pub date -
Mar 23, 2004
filing date -
Mar 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a cosmetic, dermatological, pharmaceutical, veterinary, or detergent composition comprising at least one conditioning cationic copolymer of diallyl dimethyl ammonium chloride (also called DADMAC) and acrylamide, obtained by polymerisation in inverse suspension. The polymer has a ratio (effective ionic character/theoretical ionic character) greater than 50% and a viscosity greater than 1000 cP (mpas) at a concentration of 8% at 25.degree. C. and, in a surprising manne conditioning characteristics significantly better than those observed for the same product as available in other physical forms. The above is of use as a conditioning and film-forming agent for cationic copolymers made from DADMAC and acrylamide in the form of beads (also called pearls), produced by the technique of inverse suspension polymerisation.
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