Wax Foamable Vehicle And Pharmaceutical Compositions Thereof
AssigneeFoamix Ltd.
InventorsDov Tamarkin, Rita Keynan, David Schuz, Tal Berman
Life of this patent
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Abstract
Unique foamable vehicles or carriers comprising at least one wax, waxy substance, counterpart or derivative, a stabilizer, water, and a propellant are provided. In some embodiments, the wax is a liquid wax. In some embodiments, the wax includes a solid wax and a liquid wax. The compositions are substantially free of crystals. The components are selected to provide a composition that is substantially resistant to aging and to phase separation, and/or can substantially solubilize and or stabilize active ingredients. Pharmaceutical and cosmetic compositions with potentially enhanced skin delivery and their uses are also provided.
Claims22
1-46. (canceled)
A foamable emulsion composition for a pharmaceutical comprising:
- A. a carrier comprising:
- a. at least 20% by weight of a liquid wax comprising oleic acid;
- b. a surface-active agent;
- c. a polymeric agent;
- and
- d. a solid wax;
- and
- B. a liquefied hydrocarbon gas propellant at a concentration of about 3% to about 35% by weight of the foamable emulsion composition;
- wherein, upon release from a pressurized container, a breakable foam is produced.
Dependencies are inferred from the claim text.