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 DE2345402Aexternal-prioritypatent/DE2345402C3/de
Application filed by Merck Patent GmbhfiledCriticalMerck Patent Gmbh
Priority to AT449876ApriorityCriticalpatent/AT343281B/de
Publication of ATA449876ApublicationCriticalpatent/ATA449876A/de
Application grantedgrantedCritical
Publication of AT343281BpublicationCriticalpatent/AT343281B/de
Verfahren zur Herstellung von neuen α-Carboxy-2-thienylmethylpenicillinen und α-Carboxy-2-thienylmethylcephalosporinen sowie deren Estern und basischen Salzen