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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Harvard Business School
Farmers Insurance

Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,740,794

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Summary for Patent: 5,740,794

Title: Apparatus and methods for dispersing dry powder medicaments
Abstract:A method for aerosolizing a powdered medicament comprises coupling a powder inlet end of a feed tube with a penetration in a receptacle containing the powder. Powder is drawn upward through the tube and dispersed in a high pressure gas stream flowing past a portion of the feed tube. Apparatus comprise the feed tube mounted within a base enclosure proximate a holder for one or more receptacles, which may be in the form of a cartridge containing a plurality of receptacles formed in a continuous web. The cartridge may be reciprocated relative to the feed tube and a separate piercing mechanism in order to sequentially piercing the receptacle and thereafter couple the feed tube through the resulting penetration for extracting the powder. Alternatively, penetration(s) through the receptacle may be formed as the feed tube is coupled, or some penetrations formed prior to coupling with other penetrations formed at the time of coupling.
Inventor(s): Smith; Adrian E. (Belmont, CA), Burr; John D. (Redwood City, CA), Etter; Jeffrey W. (Castro Valley, CA), Axford; George S. (Menlo Park, CA), Anthony; Jack M. (Palo Alto, CA)
Assignee: Inhale Therapeutic Systems (Palo Alto, CA)
Application Number:08/487,184
Patent Claim Types:
see list of patent claims
Device; Use;

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International Patent Family for Patent: 5,740,794

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)9801369► Subscribe
African Regional IP Organization (ARIPO)987► Subscribe
Argentina013854► Subscribe
Argentina042921► Subscribe
Austria189124► Subscribe
Austria220327► Subscribe
Austria245969► Subscribe
Austria260688► Subscribe
Austria261742► Subscribe
Austria264096► 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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Serving leading biopharmaceutical companies globally:

Argus Health
Federal Trade Commission
Johnson and Johnson

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