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 JP57180616Aexternal-prioritypatent/JPS5970667A/ja
Priority claimed from JP58011719Aexternal-prioritypatent/JPS59137461A/ja
Priority claimed from JP58098899Aexternal-prioritypatent/JPS59225162A/ja
Application filed by Kyowa Hakko Kogyo KkfiledCriticalKyowa Hakko Kogyo Kk
Priority claimed from EP19830109968external-prioritypatent/EP0106275B1/de
Application grantedgrantedCritical
Publication of ATE61579T1publicationCriticalpatent/ATE61579T1/de