Canister containing aerosol formulations containing P134a and particulate medicaments
Patent 5683676 Issued on November 4, 1997. Estimated Expiration Date: 
May 19, 2015. 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.
May 19, 2015. 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 2868691 2885427 3014844 3219533 3320125 3809294 3897779 Aerosol propellant compositions Composition for treating asthma Aerosol package having compressed gas propellant and vapor tap of minute size InventorsAssigneeApplicationNo. 444926 filed on 05/19/1995US Classes:424/45, Organic pressurized fluid222/635, Pressurized aerosol container424/46Powder or dust containingExaminersPrimary: Bawa, RajAttorney, Agent or FirmForeign Patent References
International ClassA61K 009/12Foreign Application Priority Data1991-12-12 GBAbstractThis invention relates to aerosol formulations of use for the administration of medicaments by inhalation, in particular a pharmaceutical aerosol formulation which comprises particulate salmeterol and physiologically acceptable salts and solvates thereof and a fluorocarbon or hydrogen-containing chlorofluorocarbon propellant, which formulation is substantially free of surfactant. A method of treating respiratory disorders which comprises administration by inhalation of an effective amount of a pharmaceutical aerosol formulation as defined is also described.Other References
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