Patent ID: 9549898
Date: 2017-01-24
CPC Classifications: A61K,A61P,Y10S

Claim:
1. An essentially waterless composition in a container, comprising a carrier and a liquefied or compressed gas propellant, wherein the carrier comprises: a liquid oil; about 0.5% to about 15% by weight of the carrier of a cyclic silicone; at least one foam stabilizing agent comprising a co surfactant and/or a foam adjuvant or a surfactant comprising a fatty acid ester or a mixture of any two or more thereof; and a minocycline or a doxycycline or both; a solid wax or solid oil selected from a group consisting of a solid paraffin, a hydrogenated oil, a hydrogenated emollient, palmitic acid or mixtures of any two or more thereof; wherein the ratio of the carrier to the propellant is 100:3 to 100:35; wherein upon release of the composition from the container, a foam results that does not collapse immediately and is breakable on mechanical shear; and wherein the minocycline or the doxycycline is stable for at least 3 weeks at 25° C. in the essentially waterless composition.