Foamable microemulsion compositions for topical administration
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United States of America Patent
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Feb 18, 2014
Grant Date -
Sep 17, 2009
app pub date -
Feb 13, 2009
filing date -
Feb 14, 2008
priority date (Note) -
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Abstract
Described are ethanol-free foamable microemulsions for topical application, and method of making them. The propellants used in the compositions may be environmentally-friendly hydrofluoroalkanes. The foam compositions may also comprise one or more of a variety of active ingredients, including anti-inflammatory agents, anesthetics, and keratolytic agents.
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