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.)
Katsura Sangyo Co Ltd
Tosoh Corp
Original Assignee
Katsura Sangyo Co Ltd
Toyo Soda Manufacturing 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 Katsura Sangyo Co Ltd, Toyo Soda Manufacturing Co LtdfiledCriticalKatsura Sangyo Co Ltd
Priority to JP6402282ApriorityCriticalpatent/JPS58180510A/ja
Publication of JPS58180510ApublicationCriticalpatent/JPS58180510A/ja
Publication of JPS6135203B2publicationCriticalpatent/JPS6135203B2/ja