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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Kasei Corp, Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KKfiledCriticalAsahi Kasei Corp
Priority to JP3447475ApriorityCriticalpatent/JPS5643676B2/ja
Publication of JPS51109578ApublicationCriticalpatent/JPS51109578A/ja
Publication of JPS5643676B2publicationCriticalpatent/JPS5643676B2/ja