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.)
Eneos Corp
Original Assignee
Nippon Oil Corp
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 Nippon Oil CorpfiledCriticalNippon Oil Corp
Priority to JP6242881ApriorityCriticalpatent/JPS57179288A/ja
Priority to US06/366,937prioritypatent/US4521294A/en
Priority to DE8282301912Tprioritypatent/DE3272976D1/de
Priority to CA000400889Aprioritypatent/CA1181708A/en
Priority to EP82301912Aprioritypatent/EP0063052B1/en
Publication of JPS57179288ApublicationCriticalpatent/JPS57179288A/ja
Publication of JPH0144752B2publicationCriticalpatent/JPH0144752B2/ja