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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co LtdfiledCriticalMitsubishi Rayon Co Ltd
Priority to JP18864385ApriorityCriticalpatent/JPS6250314A/ja
Priority to DE86111459Tprioritypatent/DE3689160T2/de
Priority to EP86111459Aprioritypatent/EP0212621B1/en
Priority to US06/898,496prioritypatent/US4783501A/en
Publication of JPS6250314ApublicationCriticalpatent/JPS6250314A/ja
Priority to US07/246,737prioritypatent/US4910251A/en
Publication of JPH0549694B2publicationCriticalpatent/JPH0549694B2/ja