Method and apparatus for administering dehydrated liposomes by inhalation
Patent 4895719 Issued on January 23, 1990. Estimated Expiration Date: 
March 6, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 6, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3551558 3755557 Pharmaceutical composition containing 5:6-benzo-alpha-pyrone derivatives and method of use thereof Procedures and pharmaceutical products for use in the administration of antihistamines Certain ergot peptide alkaloids administered to the nasal mucosa Thrombin aerosol Patent #: 4752466 InventorsAssigneeApplicationNo. 022937 filed on 03/06/1987US Classes:424/45, Organic pressurized fluid514/958, FOR SMOKING OR INHALING514/959, BREATHING GASES604/140Material impelled by pressurized charge of gas or vacuumExaminersPrimary: Higel, Floyd D.Attorney, Agent or FirmForeign Patent References
International ClassesA61K 031/35A61K 009/14 A61K 009/48 A61K 009/68 AbstractA system and method for administering a drug, at a selected dose, via the respiratory tract. Spray-dried liposome particles containing the selected dose of the entrapped drug are released into the air in aerosolized form, either by entrainment in an air or propellant stream, or by release from a pressurized can containing a suspension of the liposomes in a fluorchlorocarbon solvent. | |
