CHINESE ACADEMY OF MEDICAL SCIENCE, A CORP. OF CHINA

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4927937 Pharmacologically active .epsilon.-valerolactamsExpiredApr 19, 89May 22, 90[C07D]
4826873 2,3-dihydroxy-3-phenyl-N-(2-phenyl-ethyl)-propionic acid amides derivatives thereofExpiredJan 15, 87May 02, 89[A61K, C07D, C07C]
4757064 Pharmacologically active bicyclic lactamsExpiredJan 20, 87Jul 12, 88[A61K, C07D]
4731456 Process for the preparation of clausenamideExpiredOct 03, 86Mar 15, 88[C07D]

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