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Serving 500+ biopharmaceutical companies globally:

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Generated: June 28, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,082,668

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Summary for Patent: 5,082,668

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: 5,082,668

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria394944► Subscribe
Austria397180► Subscribe
AustriaA150789► Subscribe
AustriaA88084► Subscribe
Australia2251183► 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:

Cantor Fitzgerald
Argus Health
Farmers Insurance

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