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US Patent 6013245 - Aerosol formulation containing beclomethasone dipropionate and 1,1,1,2,3,3,3-heptafluoro-n-propane as propellant
US Patent Issued on January 11, 2000
Estimated Patent Expiration Date:
August 24, 2018Estimated 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:
August 24, 2018Estimated 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.AbstractThe present invention relates to a pharmaceutical aerosol formulation which comprises particulate anhydrous beclomethasone dipropionate together with 1,1,1,2,3,3,3-heptafluoro-n-propane as propellant, which formulation is free of surfactant. The formulation may also contain salbutamol and includes a canister suitable for delivery and a method of treating respiratory disorders administering the formulation by inhilation. | InventorsAssigneeApplicationNo. 139115 filed on 08/24/1998US Classes:424/45, Organic pressurized fluid424/46Powder or dust containingField of Search424/45, Organic pressurized fluid424/46Powder or dust containingExaminersPrimary: Bawa, RajAttorney, Agent or FirmUS Patent References4044126, Steroidal aerosol compositions and process for the preparation thereofIssued on: 08/23/1977 Inventor: Cook, et al.4810488, Physically modified beclomethasone dipropionate suitable for use in aerosols Issued on: 03/07/1989 Inventor: Jinks 5118494, 5589156, Prilocaine and hydrofluourocarbon aerosol preparations Issued on: 12/31/1996 Inventor: Henry5605674, Medicinal aerosol formulations Issued on: 02/25/1997 Inventor: Purewal, et al.5653961, Butixocort aerosol formulations in hydrofluorocarbon propellant Issued on: 08/05/1997 Inventor: McNally, et al.5653962, Aerosol formulations containing P134a and particulate medicaments Issued on: 08/05/1997 Inventor: Akehurst, et al.5658549, Aerosol formulations containing propellant 134a and fluticasone propionate Issued on: 08/19/1997 Inventor: Akehurst, et al.5674471, Aerosol formulations containing P134a and salbutamol Issued on: 10/07/1997 Inventor: Akehurst, et al.5674472, Canisters containing aerosol formulations containing P134a and fluticasone propionate Issued on: 10/07/1997 Inventor: Akehurst, et al.5676929, Canister containing aerosol formulations containing P134a and particulate medicaments Issued on: 10/14/1997 Inventor: Akehurst, et al.5683676, Canister containing aerosol formulations containing P134a and particulate medicaments Issued on: 11/04/1997 Inventor: Akehurst, et al.5688782Medicaments for treating respiratory disorders Issued on: 11/18/1997 Inventor: Neale, et al. Foreign Patent References
International ClassA61K 009/12 |
