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 JP15250775ApriorityCriticalpatent/JPS5277230A/ja
Publication of JPS5277230ApublicationCriticalpatent/JPS5277230A/ja
Publication of JPS5759321B2publicationCriticalpatent/JPS5759321B2/ja