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Serving leading biopharmaceutical companies globally:

US Department of Justice
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Generated: December 15, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,261,546

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Summary for Patent: 6,261,546

Title: Methods and compositions for stabilizing acetylcholine compositions
Abstract:A pharmaceutical product which includes two-chambers, one having a buffered diluent and the other having acetylcholine. Upon mixing the chamber contents, a buffered efficacious acetylcholine product is prepared for post-surgical ophthlamic injection. Another embodiment of the invention is a method of providing an acetylcholine product which has a substantially consistent final pH without substantial degradation of the acetylcholine. The method involves storing an unbuffered acetylcholine separate from a diluent solution which has been buffered, and mixing prior to use.
Inventor(s): Tsao; Fu-Pao (Lawrenceville, GA), Minno; George Edward (Suwanee, GA)
Assignee: Novartis AG (Basel, CH)
Application Number:09/301,895
Patent Claim Types:
see list of patent claims
Formulation; Use; Composition;

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International Patent Family for Patent: 6,261,546

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Russian Federation2225199► Subscribe
Portugal1073413► Subscribe
Poland194092► Subscribe
Poland343174► Subscribe
New Zealand507074► Subscribe
Norway20005372► Subscribe
Japan2002512945► Subscribe
Israel138775► Subscribe
Indonesia26032► Subscribe
Hungary226104► 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:

Express Scripts
Daiichi Sankyo
Cantor Fitzgerald

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