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Serving leading biopharmaceutical companies globally:

Fish and Richardson
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US Department of Justice
Farmers Insurance

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,582,678

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Summary for Patent: 6,582,678

Title: Carrier particles for use in dry powder inhalers
Abstract:In a method of producing particles suitable for use as carrier particles in dry powder inhalers, particles (1) of a size suitable for use as carrier particles in dry powder inhalers are treated so as to dislodge small grains from the surface of the particles, without substantially changing the size of the particles during the treatment. The treatment gives improved efficiency of redispersion of active particles from the surfaces of carrier particles.
Inventor(s): Staniforth; John Nicholas (Bath, GB)
Assignee: Vectura Limited (London, GB)
Application Number:09/841,055
Patent Claim Types:
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Use; Composition; Device; Delivery;

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International Patent Family for Patent: 6,582,678

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia706986► Subscribe
Australia7998194► Subscribe
Canada2174767► Subscribe
Germany69426459► Subscribe
European Patent Office0725624► Subscribe
Spain2153864► Subscribe
United Kingdom9322014► Subscribe
JapanH09507049► Subscribe
World Intellectual Property Organization (WIPO)9511666► 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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