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 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 Chemical Industry Co Ltd, Asahi Kasei Kogyo KKfiledCriticalAsahi Chemical Industry Co Ltd
Priority to JP2810682ApriorityCriticalpatent/JPS58146546A/ja
Priority to DE8282111989Tprioritypatent/DE3275464D1/de
Priority to EP19820111989prioritypatent/EP0083096B1/en
Publication of JPS58146546ApublicationCriticalpatent/JPS58146546A/ja
Priority to US06/681,061prioritypatent/US4621149A/en
Publication of JPS6148825B2publicationCriticalpatent/JPS6148825B2/ja