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 DE1931768Aexternal-prioritypatent/DE1931768C3/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to DK378575ApriorityCriticalpatent/DK378575A/da
Publication of DK378575ApublicationCriticalpatent/DK378575A/da