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Generated: September 24, 2017

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Title: Controlled-release system with constant pushing source
Abstract:A device is disclosed comprising a wall that surrounds a compartment. The compartment comprises a beneficial agent composition and a push composition. A passageway in the wall connects the compartment with the exterior of the device for delivering the beneficial agent at a rate governed, in combination, by the wall, the beneficial agent composition and the push composition through the passageway of the device over time.
Inventor(s): Wong; Patrick S. L. (Palo Alto, CA), Barclay; Brian L. (Sunnyvale, CA), Deters; Joseph C. (Los Altos, CA), Theeuwes; Felix (Los Altos, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/595,140
Patent Claim Types:
see list of patent claims
Composition; Delivery; Device;

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia566110► Subscribe
Australia2251183► Subscribe
Belgium898819► Subscribe
Belgium900817► Subscribe
Canada1222950► Subscribe
Switzerland669329► Subscribe
Germany3417113► Subscribe
Denmark99784► Subscribe
Denmark163910► Subscribe
Spain532018► 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 500+ biopharmaceutical companies globally:

AstraZeneca
Teva
Fuji
Express Scripts
QuintilesIMS
Deloitte
Boehringer Ingelheim
US Army
UBS
Medtronic

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