A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/70 (2006.01) C08J 3/03 (2006.01) C08J 3/09 (2006.01)
Patent
CA 2062924
STABLE EMULSIONS OF PERFLUOROPOLYETHERS AND FAT SUBSTANCES AND PROCESS FOR PREPARING THEM. ABSTRACT The invention relates to stable emulsions of perfluoropolyethers having perfluoroalkyl end groups and of fat substances, consisting of: - one or more perfluoropolyethers having perfluoroalkyl end groups: 1-50% by weight, - one or more polyhydroxylated compounds selected from glycerol and polyalcohols other than glycerol and saccharides, containing at least three hydroxylic groups, said compounds being dissolved in water or in a hydrophilic solvent when they are solid: 10-95% by weight, including water and the hydrophilic solvent, if any, - one or more fat substances having a melting tempertature not higher than 100°C: 10-80% by weight, - one or more emulsifiers: 0.1-10% by weight. These emulsions are utilized, in particular, in cosmetology and dermatology.
Brunetta Fabio
Pantini Giovanni
Ausimont S.p.a.
Mccarthy Tetrault Llp
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