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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries 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
Priority claimed from JP57196782Aexternal-prioritypatent/JPS5989380A/ja
Application filed by Mitsui Petrochemical Industries LtdfiledCriticalMitsui Petrochemical Industries Ltd
Priority to JP20382988ApriorityCriticalpatent/JPS6485271A/ja
Publication of JPS6485271ApublicationCriticalpatent/JPS6485271A/ja
Publication of JPH0517269B2publicationCriticalpatent/JPH0517269B2/ja