Leach resistant oil based carrier for cosmetically and pharmaceutically active agents
AssigneeISP Investments Inc.
InventorJenn S. Shih
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Abstract
This invention relates to a non-leachable, oil based carrier derived from the anhydrous free radical solution polymerization of a water insoluble acrylate and/or acrylamide monomer in an oil medium for use in long lasting skin lubricating formulations.
Claims17
A glycerol-free, water resistant oil soluble carrier for a cosmetically or pharmaceutically active agent which comprises an exclusively water insoluble polymer mixture derived from a long chain and a short chain alkyl (meth)acrylate and/or an alkyl (meth)acrylamide, said polymer dissolved in a cosmetically or pharmaceutically acceptable, non-volatile, water insoluble oil having a viscosity between about 5 and about 600,000 centistokes at 25° C.
Dependencies are inferred from the claim text.