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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Boehringer Ingelheim
US Army

Generated: October 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,529,791

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Summary for Patent: 5,529,791

Title: Extended release form of diltiazem
Abstract:An extended-release galenical form of Diltiazem or a pharmaceutically acceptable salt thereof, which comprises beads containing said Diltiazem or a pharmaceutically acceptable salt thereof as an active ingredient and a wetting agent, said beads being coated with a microporous membrane comprising at least a water-soluble or water-dispersible polymer or copolymer and a pharmaceutically acceptable adjuvant.
Inventor(s): Deboeck; Arthur M. (Gurabo, PR), Baudier; Philippe R. (Waterloo, BE)
Assignee: Galephar P.R., Inc., Ltd. (Carolina, PR)
Application Number:08/311,722
Patent Claim Types:
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International Patent Family for Patent: 5,529,791

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Germany69229949► Subscribe
Canada2111085► Subscribe
Australia2243092► Subscribe
Austria184196► Subscribe
Denmark0591424► Subscribe
European Patent Office0591424► Subscribe
World Intellectual Property Organization (WIPO)9300093► 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:

Boehringer Ingelheim
Farmers Insurance
Harvard Business School
US Department of Justice

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