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Serving leading biopharmaceutical companies globally:

Argus Health
Fish and Richardson

Generated: October 21, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,128,143

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Summary for Patent: 5,128,143

Title: Sustained release excipient and tablet formulation
Abstract:A slow release pharmaceutical excipient of an inert diluent and a hydrodrophilic material including xanthan gum and a galactomannan gum capable of cross-linking the xanthan gum in the presence of aqueous solutions.
Inventor(s): Baichwal; Anand R. (Poughkeepsie, NY), Staniforth; John N. (Bath, GB2)
Assignee: Edward Mendell Co., Inc. (Patterson, NY)
Application Number:07/491,189
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Formulation;

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International Patent Family for Patent: 5,128,143

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1339082► Subscribe
Canada2092287► Subscribe
Germany3831557► Subscribe
Germany68907835► Subscribe
Germany69217031► Subscribe
Denmark0550737► Subscribe
European Patent Office0360562► Subscribe
European Patent Office0550737► Subscribe
Spain2059778► Subscribe
Spain2099273► 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:

Argus Health
US Army
Queensland Health
US Department of Justice
Boehringer Ingelheim
Chinese Patent Office

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