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.)
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co LtdfiledCriticalIdemitsu Petrochemical Co Ltd
Priority to JP15320684ApriorityCriticalpatent/JPS6132737A/ja
Priority to AT85304982Tprioritypatent/ATE46476T1/de
Priority to DE8585304982Tprioritypatent/DE3573091D1/de
Priority to EP85304982Aprioritypatent/EP0176177B1/en
Priority to US06/757,076prioritypatent/US4680157A/en
Publication of JPS6132737ApublicationCriticalpatent/JPS6132737A/ja
Publication of JPH0367491B2publicationCriticalpatent/JPH0367491B2/ja