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Serving leading biopharmaceutical companies globally:

Federal Trade Commission
Farmers Insurance
Fish and Richardson
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Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,445,606

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Summary for Patent: 5,445,606

Title: Indicator for iontophoresis system
Abstract:Apparatus (11) for delivery of a medicament, drug or other therapeutic agent transdermally to a body by iontophoresis is provided. The apparatus (11) provides a means (13) for measuring and displaying the cumulative amount of the medicament delivered to the body by monitoring the amount of a metal, initially present at the anode (45), that is transferred to the cathode (41) in a subsidiary electrolyte cell (47) through which the drive current for the apparatus (11) passes. Optionally, the apparatus also provides a plurality of light emitting devices (63-1) that display a measure of the cumulative amount of medicament delivered, by use of visually distinguishable light colors or by use of binary encoding in the light display.
Inventor(s): Haak; Ronald P. (San Jose, CA), Theeuwes; Felix (Los Altos, CA), Roe; David K. (Portland, OR)
Assignee: ALZA Corporation (Palo Alto, CA)
Application Number:08/069,061
Patent Claim Types:
see list of patent claims
Device; Formulation; Delivery;

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International Patent Family for Patent: 5,445,606

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria155348► Subscribe
Australia3249993► Subscribe
Australia659269► Subscribe
Canada2121591► Subscribe
Germany69220964► Subscribe
European Patent Office0616545► Subscribe
Finland942755► Subscribe
Japan3406315► Subscribe
JapanH07501962► Subscribe
South Korea100222281► 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:

Daiichi Sankyo
Queensland Health
Johnson and Johnson

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