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Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,240,918

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Which drugs does patent 6,240,918 protect, and when does it expire?

Patent 6,240,918 protects ASMANEX TWISTHALER and is included in one NDA.

Protection for ASMANEX TWISTHALER has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has thirty-four patent family members in twenty-six countries.

Summary for Patent: 6,240,918

Title: Powdered medication inhaler
Abstract:A powder dispenser includes a reservoir body including a supply of powder and an inhalation conduit; a driving body for rotating the reservoir body and including upper recesses and two spring fingers in lower driving recesses thereof; a rotatable metering plate for carrying a metered amount of powder from the supply to the inhalation conduit, and having an underside with ribs; a gas permeable retainer welded to the ribs; a spring biasing the metering plate toward the reservoir body; a nozzle having spiked ribs welded in the upper recesses of the driving body and including a chimney with vertical flutes; an adapter non-rotatably mounted with respect to the metering plate and including two locking recesses for receiving the spring fingers for locking engagement and two helical cam tracks with a square cross-section; a closure cap covering the driving body and including priming ribs biasing the spring fingers out of the locking recesses and engaging with the locking recesses to rotate the driving body, and two cams riding within the cam tracks; a base non-rotatably connected with the metering plate; and a counter rotatably mounted on the base and including rotatable counter rings providing a visual count of the number of doses of powder to be dispensed, and a pawl assembly engaging with gear teeth of the counter rings for rotating the same, the pawl assembly including an outer wall, a pawl and a pawl spring integrally molded as a single piece.
Inventor(s): Ambrosio; Thomas J. (Somerville, NJ), Benson, Jr.; Warren A. (Woodville, WI), Dao; Kim C. (Wayne, NJ), Kenyon; David J. (Morristown, NJ), Kreiseder; Walter J. (Barrington, IL), Schonebaum; Theodore J. (Menomonie, WI), Vogel; Allen J. (Long Grove, IL), Walker; Louis B. (Menomonie, WI), Yang; Tsong-Toh (Warren, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:08/803,363
Patent Claim Types:
see list of patent claims
Device; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Merck Sharp DohmeASMANEX TWISTHALERmometasone furoatePOWDER;INHALATION021067-002Feb 1, 2008RXYesNo► Subscribe► SubscribeY► Subscribe
Merck Sharp DohmeASMANEX TWISTHALERmometasone furoatePOWDER;INHALATION021067-001Mar 30, 2005RXYesYes► Subscribe► SubscribeY► Subscribe
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International Patent Family for Patent: 6,240,918

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina005888► Subscribe
Austria216903► Subscribe
Australia1850897► Subscribe
Australia714886► Subscribe
Brazil9707660► Subscribe
Canada2245799► Subscribe
China1159076► Subscribe
China1216476► Subscribe
Czech Republic298885► Subscribe
Czech Republic9802599► 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:

Harvard Business School
US Department of Justice

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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