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 DE19762634856external-prioritypatent/DE2634856A1/de
Application filed by Hoechst AglfiledCriticalHoechst Agl
Priority claimed from IN1151/CAL/77Aexternal-prioritypatent/IN148322B/en
Publication of IN148323BpublicationCriticalpatent/IN148323B/en