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
Sumitomo Light Metal Industries Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Sumitomo Light Metal Industries 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 Ltd, Sumitomo Light Metal Industries LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to JP50136574ApriorityCriticalpatent/JPS5259673A/en
Publication of JPS5259673ApublicationCriticalpatent/JPS5259673A/en