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.)
Shin-Etsu Chemical Co Ltd
Original Assignee
Shin-Etsu Chemical 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 Shin-Etsu Chemical Co LtdfiledCriticalShin-Etsu Chemical Co Ltd
Priority to JP13027070ApriorityCriticalpatent/JPS515425B1/ja
Priority to CA131,353Aprioritypatent/CA985627A/en
Publication of JPS515425B1publicationCriticalpatent/JPS515425B1/ja