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.)
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
Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to JP931681ApriorityCriticalpatent/JPS57123256A/ja
Priority to US06/298,111prioritypatent/US4385143A/en
Priority to DE8181106972Tprioritypatent/DE3167833D1/de
Priority to EP81106972Aprioritypatent/EP0048841B1/en
Publication of JPS57123256ApublicationCriticalpatent/JPS57123256A/ja
Publication of JPS6346109B2publicationCriticalpatent/JPS6346109B2/ja