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
CA916392A
Inventor
Sakai Yasuhiro
Yoshikawa Yoshio
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.)
Mitsubishi Edogawa Kagaku KK
Original Assignee
Mitsubishi Edogawa Kagaku KK
Publication date
Application grantedgrantedCritical
Publication of CA916392ApublicationCriticalpatent/CA916392A/en