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 US06/359,447external-prioritypatent/US4439196A/en
Priority claimed from US06/359,324external-prioritypatent/US4475916A/en
Application filed by Merck & Co IncfiledCriticalMerck & Co Inc
Priority claimed from EP19830102265external-prioritypatent/EP0089548B1/de
Application grantedgrantedCritical
Publication of ATE25199T1publicationCriticalpatent/ATE25199T1/de