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US Patent 5225183 - Medicinal aerosol formulations
US Patent Issued on July 6, 1993
Estimated Patent Expiration Date:
January 30, 2011Estimated 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.
Estimated Patent Expiration Date:
January 30, 2011Estimated 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.AbstractA self-propelling aerosol formulation which may be free from CFC's which comprises a medicament, 1,1,1,2-tetrafluoroethane, a surface active agent and at least one compound having a higher polarity than 1,1,1,2-tetrafluoroethane.Other References
| InventorsAssigneeApplicationNo. 649140 filed on 01/30/1991US Classes:424/45, Organic pressurized fluid424/46, Powder or dust containing424/451, Capsules (e.g., of gelatin, of chocolate, etc.)514/180, 9-position substituted514/183Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAIField of Search424/45, Organic pressurized fluid424/46, Powder or dust containing424/451, Capsules (e.g., of gelatin, of chocolate, etc.)514/180, 9-position substituted514/183Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAIExaminersPrimary: Page, Thurman K.Assistant: Benston, William E. Jr. Attorney, Agent or FirmUS Patent References2868691, 3014844, 4161516, Composition for treating airway diseaseIssued on: 07/17/1979 Inventor: Bell4174295, Aerosol propellant compositions Issued on: 11/13/1979 Inventor: Bargigia , et al.4405598, Composition for treating asthma Issued on: 09/20/1983 Inventor: Brown4428854, Absorption refrigerant compositions for use in absorption refrigeration systems Issued on: 01/31/1984 Inventor: Enjo , et al.4590206, Inhalation pharmaceuticals Issued on: 05/20/1986 Inventor: Forrester , et al.4601897, Prazosin-pirbuterol combination for bronchodilation Issued on: 07/22/1986 Inventor: Saxton4814161, Drug-containing chlorofluorocarbon aerosol propellent formulations Issued on: 03/21/1989 Inventor: Jinks , et al.4866051Micronised beclomethasone dipropionate monohydrate compositions and methods of use Issued on: 09/12/1989 Inventor: Hunt , et al. Foreign Patent References
International ClassA61L 009/04Foreign Application Priority Data1988-12-06 GB |
