The present subject matter provides foamable suspension gels that foam after release from a container. The foamable suspension gels contain at least one pharmaceutically active agent that is sparingly soluble to insoluble in water, a second pharmaceutically active agent, and optionally a third active...http://www.google.es/patents/US8158109?utm_source=gb-gplus-sharePatente US8158109 - Foamable suspension gel
