Aerosol formulations containing P134a and particulate medicaments
Patent 5653962 Issued on August 5, 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 Steroidal aerosol compositions and process for the preparation thereof Aerosol propellant compositions Process for the preparation of a mixture of an anti-inflammatory steroid and a fluoro-chloro-hydrocarbon to be used as a propellant InventorsAssigneeApplicationNo. 444928 filed on 05/19/1995US Classes:424/45, Organic pressurized fluid424/46, Powder or dust containing514/937DISPERSION OR EMULSIONExaminersPrimary: Bawa, RajAttorney, Agent or FirmForeign Patent References
International ClassA61K 009/12Foreign Application Priority Data1991-12-12 GBAbstractThis invention relates to a pharmaceutical aerosol formulation containing a particulate medicament which is salmeterol or a physiologically acceptable salt or solvate thereof end 1,1,1,2-tetrafluoroethane as propellant, which formulation is free of surfactant or has less than 0.0001 % w/w surfactant based on the weight of medicament. The formulation may contain a further particulate medicament which is salbutamol, beclomethasone dipropionate or a physiologically acceptable salt or solvate thereof. A method of treating respiratory disorders which comprises administration by inhalation of an effective amount of the pharmaceutical aerosol formulation is also described.Other References
| |
