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.)
Showa Denko Materials Co ltd
Original Assignee
Hitachi Chemical Co Ltd
Filing date
Publication date
Priority claimed from JP7076375Uexternal-prioritypatent/JPS51151142U/ja
Priority claimed from JP1975070762Uexternal-prioritypatent/JPS5412183Y2/ja
Application filed by Hitachi Chemical Co LtdfiledCriticalHitachi Chemical Co Ltd
Application grantedgrantedCritical
Publication of AU1263076ApublicationCriticalpatent/AU1263076A/en
Publication of AU495630B2publicationCriticalpatent/AU495630B2/en