Dongwha Pharm wins US patent for quinolone derivative

Published: 2004-01-16 06:57:00

Updated: 2004-01-16 06:57:00

Dongwha Pharm announced on January 13 that it won the U.S. patent (No. No. 6,649,763) related to optically active 7-pyrrolidinequinoline carboxylic acid derivative and its manufacturing method.

The company said that it invested two billion won for the development of a novel quinolone derivativ...

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