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Details for Patent: 4,513,006

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Summary for Patent: 4,513,006

Title: Anticonvulsant sulfamate derivatives
Abstract:Sulfamates of the following formula (I): ##STR1## wherein X is O or CH.sub.2 and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as herein defined have been found to exhibit anticonvulsant activity and are thus useful in the treatment of conditions such as epilepsy. Further, pharmaceutical compositions containing a compound of formula (I) as well as methods for their use and intermediates form part of the present invention.
Inventor(s): Maryanoff; Bruce E. (New Hope, PA), Gardocki; Joseph F. (Doylestown, PA)
Assignee: McNeil Lab., Inc. (Fort Washington, PA)
Application Number:06/535,475
Patent Claim Types:
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Compound; Use; Composition;

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International Patent Family for Patent: 4,513,006

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria36149► Subscribe
Australia3350484► Subscribe
Australia564842► Subscribe
Canada1241951► Subscribe
Germany3473143► 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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