Process for the preparation of pure 3-[2-[4-(6-fluoro-1, 2-benzisoxazol-3-yl)-1-piperidinyl]-ethyl]-6,7,8,9-tetrahydro-2-methyl-4H- -pyrido [1,2-a] pyrimidin-4-one

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United States of America Patent

APP PUB NO 20060004199A1
SERIAL NO

10883579

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A process for the preparation of 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-- 1-piperidinyl]-ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidi- n-4-one, which is known as Risperidone of Formula (I). Risperidone of Formula (I) is represented by the following structure.

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DR REDDY'S LABORATORIES LIMITED7-1-27 AMEERPET HYDERABAD 500 016 ANDHRA PRADESH IN
DR REDDY'S LABORATORIES INC200 SOMERSET CORPORATE BOULEVARD SEVENTH FLOOR BRIDGEWATER NJ 08807

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Inventor Name Address # of filed Patents Total Citations
Chakka, Ramesh Sccundarabad, IN 9 20
Kumar, Kandirelli Venkata Kiran Guntur, IN 2 2
Reddy, Buchi Reddy Hyderabad, IN 1 2
Reddy, Tamma Ranga Hyderabad, IN 2 2
Sudhakar, Sunkari Hyderabad, IN 3 3

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