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.)
Expired
Application number
CA229,612A
Inventor
Takashi Matsuo
Nobushige Itaya
Yositosi Okuno
Toshio Mizutani
Nobuo Ohno
Shigeyoshi Kitamura
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo 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
Priority claimed from JP46047808Aexternal-prioritypatent/JPS515450B1/ja
Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to CA229,612ApriorityCriticalpatent/CA988533A/en
Application grantedgrantedCritical
Publication of CA988533ApublicationCriticalpatent/CA988533A/en