Liquid dispersion polymer compositions, their preparation...

Details Liquid dispersion polymer compositions, their preparation... Liquid dispersion polymer compositions, their preparation...

C - Chemistry, Metallurgy

08

F

C08F 283/12 (2006.01) A61K 8/06 (2006.01) A61K 8/891 (2006.01) A61K 47/00 (2006.01)

Patent

CA 2429464

Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a silicone polymer fluid and an oil-in water surfactant, are useful to prepare microparticulate thickening systems to thicken aqueous or aqueous/organic compositions, particularly for use in personal care and pharmaceutical formulations.

La présente invention concerne des compositions polymères de dispersion liquide, comprenant des microparticules d'un polymère hydrophobe, hydrosoluble ou pouvant gonfler, de préférence un polymère à base d'acrylique, dispersées dans un fluide polymère silicone et un tensioactif de type aqueux, permettant de préparer des mécanismes d'épaississement des microparticules servant à épaissir des compositions aqueuses ou aqueuses/organiques, en particulier destinées aux préparations pharmaceutiques et de soins personnels.

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