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.)
Panasonic Electric Works Co Ltd
Toho Chemical Industry Co Ltd
Original Assignee
Toho Chemical Industry Co Ltd
Matsushita Electric Works 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 Toho Chemical Industry Co Ltd, Matsushita Electric Works LtdfiledCriticalToho Chemical Industry Co Ltd
Priority to JP3320680ApriorityCriticalpatent/JPS56128848A/ja
Publication of JPS56128848ApublicationCriticalpatent/JPS56128848A/ja
Publication of JPS6363697B2publicationCriticalpatent/JPS6363697B2/ja