ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,721, issued on Oct. 28, was assigned to ARCUTIS BIOTHERAPEUTICS INC. (Westlake Village, Calif.).
"Topical roflumilast aerosol foams" was invented by David W. Osborne (Fort Collins, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to an aerosol foam composition comprising roflumilast, an emulsifier blend containing cetearyl alcohol, dicetyl phosphate, and ceteareth-10 phosphate and a hydrocarbon propellant. The aerosol foam composition is preferably an oil in water emulsion. The propellant is a mixture of liquefied hydrocarbon gases preferably a propane/isobutane/butane blend. The hydrocarbon propellant results i...