Patent ID: 6511653
Filing Date: 2003-01-28
Classification: A61K,A61M,A61P,B65D

Abstract:
A metered dose inhaler, comprising:a can having part or all of its internal surfaces coated with a polymer blend comprising (i) one or more fluorocarbon polymers comprising monomeric units made from one or more monomers selected from the group consisting of tetrafluoroethylene, hexafluoropropylene, perfluoroalkoxyalkylene, and vinylidene fluoride in combination with (ii) one or more non-fluorocarbon polymers selected from the group consisting of a polyamide, a polyimide, a polyamideimide, a polyethersulphone, a polyphenylene sulfide, and an amine-formaldehyde thermosetting resin; a can in communication with a drug metering valve; and an inhalation medicament formulation, comprising a medicament formulated with a fluorocarbon propellant, said fluorocarbon propellant is selected from the group consisting of 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoro-n-propane and combinations thereof.