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.)
Otsuka Chemical Co Ltd
Nitto Boseki Co Ltd
Original Assignee
Otsuka Chemical Co Ltd
Nitto Boseki 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 Otsuka Chemical Co Ltd, Nitto Boseki Co LtdfiledCriticalOtsuka Chemical Co Ltd
Priority to JP7805683ApriorityCriticalpatent/JPS59202848A/ja
Publication of JPS59202848ApublicationCriticalpatent/JPS59202848A/ja
Publication of JPS6225504B2publicationCriticalpatent/JPS6225504B2/ja