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Water soluble polymers with a water soluble backbone and side units with a lower critical solution temperature, process for preparing them, aqueous compositions containing them and cosmetic use thereof



Water soluble polymers with a water soluble backbone and side units with a lower critical solution temperature, process for preparing them, aqueous compositions containing them and cosmetic use thereof



Official Gazette of the United States Patent & Trademark Office Patents 1279(2), Feb 10



Water-soluble polymers having a water-soluble backbone and side units having in water a lower critical solution temperature, LCST, the polymers being obtainable by free-radical precipitation polymerization of water-soluble monomers and of macromonomers comprising a unit with an LCST whose heat-induced demixing temperature in aqueous solution is from 5 to 40degree C. for a concentration by mass in water of 1% of the said unit. Also described is a process for preparing these polymers by free-radical precipitation polymerization, and aqueous compositions containing these polymers and the use of these polymers and compositions, especially in cosmetics, for the cleansing and/or making up and/or care and/or antisun protection of keratin materials.

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Accession: 036046134

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