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 PCT/JP1983/000003external-prioritypatent/WO1984002703A1/en
Priority claimed from PCT/JP1983/000135external-prioritypatent/WO1984004305A1/en
Application filed by Takeda Chemical Industries LtdfiledCriticalTakeda Chemical Industries Ltd
Priority claimed from EP84100069Aexternal-prioritypatent/EP0115770B2/en
Application grantedgrantedCritical
Publication of ATE28455T1publicationCriticalpatent/ATE28455T1/en