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Generated: July 18, 2019

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
Prior Art and Litigation SupportOrder Prior Art and Litigation support for Patent 6,543,448
Patent Claim Types:
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Device; Use;

Drugs Protected by US Patent 6,543,448

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate

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International Family Members for US Patent 6,543,448

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 9801369 ➤ Try a Free Trial
African Regional IP Organization (ARIPO) 987 ➤ Try a Free Trial
Argentina 013854 ➤ Try a Free Trial
Argentina 042921 ➤ Try a Free Trial
Austria 189124 ➤ Try a Free Trial
Austria 220327 ➤ Try a Free Trial
Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Moodys
Fish and Richardson
Fuji
Johnson and Johnson
Covington
Boehringer Ingelheim

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