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Generated: August 21, 2017

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Title: Novel drug delivery device
Abstract:A drug delivery device for administering a drug at a controlled rate for a prolonged period of time to produce a local or systemic physiological or pharmacological effect is comprised of a wall surrounding a reservoir containing a drug. The reservoir is formed of a drug carrier permeable to the passage of the drug and in which the drug has limited solubility. The wall is formed in at least a part of a drug release rate controlling material also permeable to the passage of the drug, but the rate of passage of the drug through the wall is lower than the rate passage of the drug through the drug carrier so that drug release by the wall is the drug release rate controlling step for releasing drug from the drug delivery device.
Inventor(s): Zaffaroni; Alejandro (Atherton, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:05/556,546
Patent Claim Types:
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Delivery; Device; Composition;

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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina195388► Subscribe
Austria334545► Subscribe
Austria336189► Subscribe
AustriaA626171► Subscribe
AustriaA844472► 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:

Covington
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