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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
US Department of Justice
Harvard Business School
US Army
Express Scripts

Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,439,689

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Summary for Patent: 5,439,689

Title: Diltiazem formulation
Abstract:The present invention is directed to a diltiazem formulation suitable for one a day administration. The formulation contains a blend of diltiazem beads having two differing dissolution profiles.
Inventor(s): Hendrickson; Dennis L. (Overland Park, KS), Dimmitt; Dan C. (Belton, MO), Williams; Mark S. (Kansas City, MO), Skultety; Paul F. (Leawood, KS), Baltezor; Michael J. (Lees Summit, MO)
Assignee: Carderm Capital L.P. (CH)
Application Number:08/164,062
Patent Claim Types:
see list of patent claims
Use; Formulation; Dosage form; Composition; Device;

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International Patent Family for Patent: 5,439,689

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany69216910► Subscribe
Denmark0514814► Subscribe
European Patent Office0514814► Subscribe
Spain2099764► Subscribe
Finland922270► Subscribe
Greece3022927► Subscribe
Canada2068980► Subscribe
Ireland921603► Subscribe
Australia653223► Subscribe
Australia1632692► 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:

Harvard Business School
Express Scripts
Fish and Richardson
Chinese Patent Office
Daiichi Sankyo

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