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.)
DKS Co Ltd
Resonac Holdings Corp
Original Assignee
Dai Ichi Kogyo Seiyaku Co Ltd
Showa Highpolymer 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 Dai Ichi Kogyo Seiyaku Co Ltd, Showa Highpolymer Co LtdfiledCriticalDai Ichi Kogyo Seiyaku Co Ltd
Priority to JP20849784ApriorityCriticalpatent/JPS61106639A/ja
Publication of JPS61106639ApublicationCriticalpatent/JPS61106639A/ja
Publication of JPS6320860B2publicationCriticalpatent/JPS6320860B2/ja