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.)
NITSUTETSU KAGAKU KOGYO KK
Nippon Steel Chemical and Materials Co Ltd
Original Assignee
NITSUTETSU KAGAKU KOGYO KK
Nittetsu Chemical Industrial Co Ltd
Nippon Steel 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 NITSUTETSU KAGAKU KOGYO KK, Nittetsu Chemical Industrial Co Ltd, Nippon Steel Chemical Co LtdfiledCriticalNITSUTETSU KAGAKU KOGYO KK
Priority to JP8017480ApriorityCriticalpatent/JPS577807A/ja
Publication of JPS577807ApublicationCriticalpatent/JPS577807A/ja