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
CA916847A
Inventor
Takahashi Mikio
Uemura Seiichi
Murai Yoshikazu
Tsuchiya Shozo
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.)
Eneos Corp
Original Assignee
Mikio Takahashi
Seiichi Uemura
Shozo Tsuchiya
Yoshikazu Murai
Nippon Petrochemicals Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA916847ApublicationCriticalpatent/CA916847A/en