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
CA882015A
Inventor
Kumura Teruhiko
Imataki Norio
Hasui Katuyuki
Inoue Takeo
Yasutomi Kimiaki
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.)
Kyowa Chemical Industry Co Ltd
Original Assignee
Kyowa Chemical Industry Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA882015ApublicationCriticalpatent/CA882015A/en