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.)
Chiba Fine Chem Kk
KOWA KK
JNC Corp
Kowa Co Ltd
Original Assignee
Chiba Fine Chem Kk
KOWA KK
Kowa Co Ltd
Chisso Corp
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 Chiba Fine Chem Kk, KOWA KK, Kowa Co Ltd, Chisso CorpfiledCriticalChiba Fine Chem Kk
Priority to JP3676976ApriorityCriticalpatent/JPS52120274A/ja
Publication of JPS52120274ApublicationCriticalpatent/JPS52120274A/ja