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 JP6060071Aexternal-prioritypatent/JPS5415591B2/ja
Priority claimed from JP4040072Aexternal-prioritypatent/JPS496216A/ja
Priority claimed from JP47061305Aexternal-prioritypatent/JPS4920433A/ja
Application filed by Mitsui Petrochemical Industries LtdfiledCriticalMitsui Petrochemical Industries Ltd
Publication of FR2148652A1publicationCriticalpatent/FR2148652A1/fr
Application grantedgrantedCritical
Publication of FR2148652B1publicationCriticalpatent/FR2148652B1/fr