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.)
Expired
Application number
AU19388/70A
Inventor
Kitano Yukio
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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
Priority claimed from JP6867769Aexternal-prioritypatent/JPS4924357B1/ja
Application filed by Showa Denko KKfiledCriticalShowa Denko KK
Publication of AU1938870ApublicationCriticalpatent/AU1938870A/en