Polar solvent-in-oil emulsions and multiple emulsions

Details Polar solvent-in-oil emulsions and multiple emulsions Polar solvent-in-oil emulsions and multiple emulsions

1999-11-08

2000-06-27

Foelak, Morton

Drug, bio-affecting and body treating compositions

Topical body preparation containing solid synthetic organic...

Skin cosmetic coating

524261, 524379, 524386, 524387, 524588, A61K 3174, C08K 524

Patent

active

060803940

ABSTRACT:
One composition is a non-aqueous polar solvent-in-oil emulsion containing a non-aqueous polar solvent phase dispersed in a silicone oil continuous phase by an emulsifier. A second composition is a non-aqueous polar solvent-in-oil-in-water multiple emulsion of the type PS.sub.1 /O/w which contains a non-aqueous polar solvent phase PS.sub.1 dispersed in a silicone oil as a first continuous phase of a primary emulsion PS.sub.1 /O by an emulsifier. The primary emulsion PS.sub.1 /O is dispersed in a second continuous aqueous phase W to form multiple emulsion PS.sub.1 /O/W. A third composition is a non-aqueous polar solvent-in-oil-in-non-aqueous polar solvent multiple emulsion of the type PS.sub.1 /O/PS.sub.2 which contains a non-aqueous polar solvent phase PS.sub.1 dispersed in a silicone oil as a first continuous phase of a primary emulsion PS.sub.1 /O by an emulsifier. The primary emulsion PS.sub.1 /O is dispersed in a second continuous non-aqueous polar solvent phase PS.sub.2 to form multiple emulsion PS.sub.1 /O/PS.sub.2.

REFERENCES:
patent: 5811487 (1998-09-01), Lin
patent: 5889108 (1999-03-01), Zhang
patent: 5948855 (1999-09-01), Lin

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