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
CA743105A
Inventor
Matsui Masanao
Yamada Yasuhiro
Wakaki Shigetoshi
Uzu Keizo
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.)
KH Neochem Co Ltd
Original Assignee
Kyowa Hakko Kogyo Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA743105ApublicationCriticalpatent/CA743105A/en