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 DE3902328Aexternal-prioritypatent/DE3902328A1/de
Priority claimed from DE3913554Aexternal-prioritypatent/DE3913554A1/de
Application filed by Merck Patent GmbhfiledCriticalMerck Patent Gmbh
Priority claimed from PCT/EP1990/000120external-prioritypatent/WO1990008757A1/de
Application grantedgrantedCritical
Publication of ATE103581T1publicationCriticalpatent/ATE103581T1/de