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Details for Patent: 6,143,277

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Summary for Patent: 6,143,277

Title: Metered dose inhaler for salmeterol
Abstract:A metered dose inhaler having part or all of its internal metallic surfaces coated with one or more fluorocarbon polymers, in combination with one or more non-fluorocarbon polymers, for dispensing an inhalation drug formulation comprising salmeterol, or a salt thereof, and a fluorocarbon propellant, optionally in combination with one or more other pharmacologically active agents and one or more excipients.
Inventor(s): Ashurst; Ian C. (Ware, GB), Herman; Craig S. (Raleigh, NC), Li; Li (Scotch Plains, NJ), Riebe; Michael T. (Raleigh, NC)
Assignee: Glaxo Wellcome Inc. (Research Triangle Park, NC) Glaxo Group Limited (Greenford, GB)
Application Number:08/770,533
Patent Claim Types:
see list of patent claims
Formulation; Compound; Delivery; Device; Use; Composition;

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International Patent Family for Patent: 6,143,277

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)9701113► Subscribe
African Regional IP Organization (ARIPO)979► Subscribe
Austria250439► Subscribe
Austria297773► Subscribe
Australia5481196► 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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