Patent ID: 6521213
Filing Date: 2003-02-18
Classification: A61K,A61P,Y10S

Abstract:
A method of preventing the occurrence of otitis externa in mammals comprising administering a dose of a mixture of lipid crystals, as an aerosol, through an external auditory meatus of said mammal, said mixture being comprised of:a mixture of one or more lipid surfactant and one or more spreading agent, said lipid surfactant and said spreading agent being selected from the group consisting of cholesteryl esters, phospholipids, carbohydrates and proteins, all in powder form; and one or more propellant, said lipids and said spreading agents being insoluble in the propellants and said lipid surfactants being present in an amount of from about 80 to 99.5 percent by weight and said spreading agents being present in an amount of from about 0.5 to about 20 percent by weight, based upon the total weight of said mixture.