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.)
Wako Sangyo KK
Idemitsu Petrochemical Co Ltd
Mitsui Zosen KK
Original Assignee
Wako Sangyo KK
Idemitsu Petrochemical Co Ltd
Mitsui Zosen KK
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 Wako Sangyo KK, Idemitsu Petrochemical Co Ltd, Mitsui Zosen KKfiledCriticalWako Sangyo KK
Priority to JP1982186ApriorityCriticalpatent/JPS62176509A/ja
Publication of JPS62176509ApublicationCriticalpatent/JPS62176509A/ja
Publication of JPH0225644B2publicationCriticalpatent/JPH0225644B2/ja