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.)
CHUO KAGAKU KOGYO KK
Shin Etsu Chemical Co Ltd
Original Assignee
CHUO KAGAKU KOGYO KK
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 CHUO KAGAKU KOGYO KK, Shin Etsu Chemical Co LtdfiledCriticalCHUO KAGAKU KOGYO KK
Priority to JP59279641ApriorityCriticalpatent/JPS61159583A/ja
Publication of JPS61159583ApublicationCriticalpatent/JPS61159583A/ja
Publication of JPS6345470B2publicationCriticalpatent/JPS6345470B2/ja