Patent ID: 7186416
Filing Date: 2007-03-06
Classification: A61K,A61P,Y10S

Abstract:
1. A foamable delivery system which comprises: (i) a solvent composition selected from the group consisting of water, a volatile propellant, a C (ii) a surfactant composition selected from the group consisting of a polyoxyethylene fatty ether, a polyoxyethylene fatty ester, a fatty acid, a sulfated fatty acid surfactant, a phosphated fatty acid surfactant, a sulfosuccinate surfactant, an amphoteric surfactant, a non-ionic poloxamer surfactant, a non-ionic meroxapol surfactant, a petroleum surfactant, an aliphatic amine surfactant, a polysiloxane, a sorbitan fatty acid ester, pharmaceutically acceptable salts thereof, and mixtures thereof; (iii) a propellant; and (iv) an acid in an amount to affect the delivery system's pH selected from the group consisting of: wherein said foamable delivery system does not include a fatty alcohol.