Drug-containing chlorofluorocarbon aerosol propellent formulations
Patent 4814161 Issued on March 21, 1989. Estimated Expiration Date: 
November 10, 2006. 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.
November 10, 2006. 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 ReferencesSubstituted 6,7-methylene pyrido[1,2-a]pyrimidines useful as anti-allergic and anti-ulcer agents Solid drug preparations Pyranoquinolinones and analogs thereof Patent #: 4419352 InventorsAssigneeApplicationNo. 06/915971 filed on 11/10/1986US Classes:424/45, Organic pressurized fluid514/149, Azoxy DOAI514/183, Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI514/250, At least three rings in the polycyclo ring system514/315, Piperidines514/506, Ester DOAI514/558, Higher fatty acid or salt thereof514/740, Nitrogen containing compound DOAI514/743, Halogenated hydrocarbon DOAI514/762, Hydrocarbon DOAI514/767, With phosphorus containing non-DOAI514/78, Lecithins514/786, Glyceride514/937, DISPERSION OR EMULSION514/95, Sulfur containing hetero ring514/99Oxygen containing hetero ringExaminersPrimary: Foelak, MortonAssistant: Acquah, S. A. Attorney, Agent or FirmInternational ClassA61K 47/24 (20060101)Foreign Application Priority Data1985-01-16 GBAbstractComplete dissolution of a wide range of drugs in chlorofluorocarbon aerosol propellents is achieved by the presence of glycerol phosphatides, preferably phosphatidylcholine. | |
