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Serving leading biopharmaceutical companies globally:

Chinese Patent Office
Boehringer Ingelheim
Farmers Insurance
US Army

Generated: October 24, 2017

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Details for Patent: 6,842,640

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Summary for Patent: 6,842,640

Title: Electrotransport delivery device with voltage boosting circuit
Abstract:An electrotransport device (10) for delivering therapeutic agents includes and adjustable voltage boost multiple controller (100, 200) for boosting the voltage from a power source (102, 202) to a working voltage V.sub.W having a value just sufficient to provide the desired therapeutic current level I.sub.I through the electrodes (108, 112), at least of which contains the therapeutic agent to be delivered.
Inventor(s): Riddle; Thomas A. (Sunnyvale, CA), McNichols; Larry A. (Coon Rapids, MN), Badzinski; John D. (Coon Rapids, MN)
Assignee: ALZA Corporation (Mountain View, CA)
Application Number:10/253,419
Patent Claim Types:
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International Patent Family for Patent: 6,842,640

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark0830176► Subscribe
Germany69624109► Subscribe
Germany19681422► Subscribe
China1099300► Subscribe
China1186449► Subscribe
Switzerland690818► Subscribe
Canada2217711► Subscribe
Brazil9609433► Subscribe
Belgium1009518► Subscribe
Australia5963096► 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:

Johnson and Johnson
Chinese Patent Office

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