Substituted sulfamate anticonvulsant derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C549S361000, C514S321000, C514S422000, C546S197000, C548S526000

Reexamination Certificate

active

07060725

ABSTRACT:
The present invention is directed to novel compounds of the formula (I)wherein X, R1, R2, R3, R4, R5and R6are as described in the specification, processes for the preparation of and pharmaceutical compositions comprising said derivatives. The compounds of the present invention are useful for the treatment of epilepsy.The invention is further directed to a process for the preparation of compounds of formula (XX),wherein X, R3, R4, R5and R6are as described in the specification.

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Copy of International Search Report for International Appl. No. PCT/US 03/14798 dated Dec. 12, 2003.

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