A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/92 (2006.01) A61K 8/04 (2006.01) A61K 8/81 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2364556
Liquid dispersion polymer compositions which comprise microparticles of a hydrophilic, water soluble or swellable polymer, preferably an acrylic-based polymer, dispersed in a di- or triglyceride oil such as soybean oil 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. The preparation and the use of these liquid dispersion polymer compositions is described.
L'invention concerne des compositions liquides de polymères dispersés. Ces compositions comprennent des microparticules d'un polymère hydrophile, soluble ou pouvant gonfler dans l'eau, de préférence, un polymère à base acrylique, dispersé dans une huile di- ou triglycéride comme de l'huile de soja et un tensio-actif huile dans l'eau. Ces compositions présentent une grande utilité pour préparer des systèmes épaississants microparticulaires pour épaissir des compositions aqueuses ou aqueuses/organiques, en particulier, pour les soins personnels et les formulations pharmaceutiques. L'invention concerne la préparation et l'utilisation de ces compositions liquides de polymères dispersés.
Gavin Dwayne Erick
Green Michael
Ridley Eleanor Bernice
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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