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Serving leading biopharmaceutical companies globally:

Farmers Insurance
Daiichi Sankyo
Cantor Fitzgerald
Fish and Richardson

Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,543,448

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Summary for Patent: 6,543,448

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, Inc. (San Carlos, CA)
Application Number:09/583,300
Patent Claim Types:
see list of patent claims
Device; Use;

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International Patent Family for Patent: 6,543,448

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Japan2006077032► Subscribe
Japan2008163033► Subscribe
Spain2203792► Subscribe
Spain2215191► Subscribe
Israel112618► Subscribe
Spain2217309► Subscribe
Spain2218543► Subscribe
Spain2245780► Subscribe
Spain2284226► Subscribe
Spain2302332► 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
Boehringer Ingelheim
US Army
Federal Trade Commission

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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