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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Boehringer Ingelheim
US Army

Generated: November 19, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,687,710

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Summary for Patent: 5,687,710

Title: Inhaler for powdered medications having spiral deagglomeration chamber
Abstract:A powder dispenser includes a powder housing for holding a supply of powdered material to be dispensed, the powder housing including an inhalation conduit provided displaced relation to the powdered material supply; a metering plate including a metered dose hole for holding a metered amount of the powdered material, and positioned below the powdered material supply, the metering plate and the powder housing being relatively rotatable with respect to each other about a common central axis; a counter providing a visual count of the number of doses of the powdered material that have been dispensed or remain to be dispensed in response to the relative rotation, the counter including counter rings providing the visual count, the counter rings being rotatable about the common central axis and having indicia thereon which display the visual count, and an actuating mechanism rotatable about the central axis for incrementally rotating the counter rings in response to the relative rotation; a nozzle for breaking up agglomerates of powdered material from the inhalation conduit to form micronized powdered material, the nozzle including a cavity for changing the direction of flow of the powder from the direction of the inhalation conduit to a second different direction, and a curved wall for substantially continuously changing the direction of flow of the powder in a spiral manner in the second direction in the cavity; and a closure cap covering the powder housing and priming the powder dispenser for use automatically upon removal thereof.
Inventor(s): Ambrosio; Thomas J. (Somerville, NJ), Bilanin; Alan J. (Princeton, NJ), Kaufman; Andrew E. (Robbinsville, NJ), Kenyon; David J. (Morristown, NJ), Manthena; Srinivas (Bricktown, NJ), Yang; Tsong-Toh (Warren, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:08/458,928
Patent Claim Types:
see list of patent claims
Delivery; Device;

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International Patent Family for Patent: 5,687,710

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
China1091321► Subscribe
China1120024► Subscribe
Czech Republic9501535► Subscribe
Czech Republic287848► Subscribe
Germany69323897► Subscribe
Denmark0674533► Subscribe
European Patent Office0674533► Subscribe
Spain2128550► Subscribe
Finland952976► Subscribe
Finland111520► 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:

Fish and Richardson
US Army
Cantor Fitzgerald
Farmers Insurance
Express Scripts
Johnson and Johnson

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