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
Priority claimed from JP55120619Aexternal-prioritypatent/JPS5745168A/en
Priority claimed from JP12171880Aexternal-prioritypatent/JPS5746989A/en
Priority claimed from JP14204880Aexternal-prioritypatent/JPS5767582A/en
Priority claimed from JP14685980Aexternal-prioritypatent/JPS5772987A/en
Priority claimed from JP14817880Aexternal-prioritypatent/JPS5772974A/en
Priority claimed from JP10879781Aexternal-prioritypatent/JPS5810586A/en
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KKfiledCriticalAsahi Chemical Industry Co Ltd
Priority claimed from EP81106833Aexternal-prioritypatent/EP0047014B1/en
Application grantedgrantedCritical
Publication of DE3176575D1publicationCriticalpatent/DE3176575D1/en