Substituted phthalides, a process for their preparations and pharmaceutical compositions containing them

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6689808
APP PUB NO 20030220393A1
SERIAL NO

10312650

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Abstract

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The invention relates to compounds of formula (I): ##STR1## wherein R.sup.1 represents alkyl or ureido, R.sup.2 represents alkyl or hydrogen, or R.sup.1 and R.sup.2 together form a 5- or 6-membered ring, R.sup.3 represents CN, NO.sub.2, NR.sub.a R'.sub.a, NR.sub.a SO.sub.2 R'.sub.a, NR.sub.a CZR.sup.5 or CZNR.sub.a R'.sub.a, R.sup.4 represents hydrogen or R.sup.3, and medicinal products containing the same which are useful in treating or preventing epilepsy and neurodegenerative diseases.

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Patent Owner(s)

Patent OwnerAddress
LES LABORATOIRES SERVIER50 RUE CARNOT SURESNES CEDEX 92284
INSTITUTE OF MATERIA MEDICA CHINESE ACADEMY OF MEDICINAL SCIENCES1 XIAN NONG TAN STREET BEIJING 100050

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chu, Fengming Beijing, CN 4 3
Guo, Zongru Beijing, CN 5 3
Lestage, Pierre La Celle Saint Cloud, FR 55 211
Niu, Xinyi Beijing, CN 1 1
Ren, Zhihong Beijing, CN 2 3
Renard, Pierre Le Chesnay, FR 199 1575
Xu, Bailing Beijing, CN 1 1
Yang, Guangzhong Beijing, CN 2 1
Zhang, Juntian Beijing, CN 6 5

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