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 DEF24522Aexternal-prioritypatent/DE1114964B/de
Priority claimed from DEF24523Aexternal-prioritypatent/DE1121248B/de
Priority claimed from DEF24525Aexternal-prioritypatent/DE1145731B/de
Priority claimed from DEF24519Aexternal-prioritypatent/DE1114265B/de
Application filed by Bayer AgfiledCriticalBayer Ag
Publication of BE573497ApublicationCriticalpatent/BE573497A/fr