Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA868411A
Inventor
Otsuka Masatomi
Hamamura Hisamitu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otsuka Kagaku Yakuhin KK
Original Assignee
Otsuka Kagaku Yakuhin KK
Publication date
Application grantedgrantedCritical
Publication of CA868411ApublicationCriticalpatent/CA868411A/en