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 Sankyo CofiledCriticalSankyo Co
Priority claimed from EP86302557Aexternal-prioritypatent/EP0198645B1/en
Application grantedgrantedCritical
Publication of ATE58556T1publicationCriticalpatent/ATE58556T1/en