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.)
Toyo Chuo Kagaku Kenkyusho
Original Assignee
Toyo Chuo Kagaku Kenkyusho
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 Toyo Chuo Kagaku KenkyushofiledCriticalToyo Chuo Kagaku Kenkyusho
Priority to JP4719676ApriorityCriticalpatent/JPS52130445A/en
Publication of JPS52130445ApublicationCriticalpatent/JPS52130445A/en