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
CA747472A
Inventor
Furukawa Junji
Imai Hirosuke
Saegusa Takeo
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
Hirosuke Imai
Junji Furukawa
Nippon Oil Corp
Publication date
Application grantedgrantedCritical
Publication of CA747472ApublicationCriticalpatent/CA747472A/en