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 IN531/CAL/85Aexternal-prioritypatent/IN164505B/en
Priority claimed from US07/206,072external-prioritypatent/US4845772A/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to IN999/CAL/88ApriorityCriticalpatent/IN169068B/en
Priority to IN683/CAL/89Aprioritypatent/IN169337B/en
Publication of IN169068BpublicationCriticalpatent/IN169068B/en