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.)
Nippon Steel Chemical and Materials Co Ltd
Original Assignee
Nittetsu Chemical Industrial 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 Nittetsu Chemical Industrial Co LtdfiledCriticalNittetsu Chemical Industrial Co Ltd
Priority to JP8915776ApriorityCriticalpatent/JPS5314728A/en
Publication of JPS5314728ApublicationCriticalpatent/JPS5314728A/en