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.)
Ube Corp
Original Assignee
Ube 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
Application filed by Ube Industries LtdfiledCriticalUbe Industries Ltd
Priority to JP12921387ApriorityCriticalpatent/JPS63294412A/ja
Priority to US07/171,254prioritypatent/US4815418A/en
Priority to CN88101563.6Aprioritypatent/CN1012589B/zh
Publication of JPS63294412ApublicationCriticalpatent/JPS63294412A/ja
Publication of JPH0350924B2publicationCriticalpatent/JPH0350924B2/ja