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
CA826180A
Inventor
Tomihara Ken-Ichi
Akimoto Mikio
Kubota George
Asao Hiroshi
Yoshida Fujio
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.)
TOHO KAGAKU KOGYO KK
Original Assignee
TOHO KAGAKU KOGYO KK
Publication date
Application grantedgrantedCritical
Publication of CA826180ApublicationCriticalpatent/CA826180A/en