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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Harvard Business School
Fish and Richardson
Federal Trade Commission

Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,673,405

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Summary for Patent: 4,673,405

Title: Osmotic system with instant drug availability
Abstract:An osmotic device is disclosed for delivering a beneficial agent. The device comprises a wall surrounding a compartment containing drug, a passageway in the wall connecting the exterior of the device with the compartment, and drug in the wall. The device delivers the drug from the compartment and the wall.
Inventor(s): Guittard; George V. (Cupertino, CA), Deters; Joseph C. (Mountain View, CA), Theeuwes; Felix (Los Altos, CA), Cortese; Richard (San Jose, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:06/817,211
Patent Claim Types:
see list of patent claims
Delivery; Device; Composition; Formulation;

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International Patent Family for Patent: 4,673,405

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria396056► Subscribe
Austria397179► Subscribe
AustriaA150889► Subscribe
AustriaA72784► Subscribe
Australia2306884► Subscribe
Australia568621► Subscribe
Belgium898820► Subscribe
Brazil8400997► Subscribe
Canada1242122► Subscribe
Switzerland660124► 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
Boehringer Ingelheim

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