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 DE19843427188external-prioritypatent/DE3427188A1/de
Priority claimed from IN999/CAL/88Aexternal-prioritypatent/IN169068B/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to IN683/CAL/89ApriorityCriticalpatent/IN169337B/en
Publication of IN169337BpublicationCriticalpatent/IN169337B/en