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Details for Patent: 5,658,549

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Summary for Patent: 5,658,549

Title: Aerosol formulations containing propellant 134a and fluticasone propionate
Abstract:This invention relates to aerosol formulations of use for the administration of medicaments by inhalation, in particular a pharmaceutical aerosol formulation which comprises particulate medicament selected from the group comprising salmeterol, salbutamol, fluticasone propionate 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.
Inventor(s): Akehurst; Rachel Ann (Ware, GB3), Taylor; Anthony James (Ware, GB3), Wyatt; David Andrew (Ware, GB3)
Assignee: Glaxo Group Limited (London, GB2)
Application Number:08/444,925
Patent Claim Types:
see list of patent claims
Formulation; Delivery; Use;

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Foreign Priority and PCT Information for Patent: 5,658,549

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9126378Dec 12, 1991
United Kingdom9126405Dec 12, 1991
United Kingdom9202522Feb 06, 1992

International Patent Family for Patent: 5,658,549

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)402► Subscribe
African Regional IP Organization (ARIPO)9200461► Subscribe
Austria128350► Subscribe
Austria163539► Subscribe
Austria171865► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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