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 IN266/BOM/87Aexternal-prioritypatent/IN168401B/en
Application filed by Hoechst IndiafiledCriticalHoechst India
Priority to IN198/BOM/90ApriorityCriticalpatent/IN170250B/en
Publication of IN170250BpublicationCriticalpatent/IN170250B/en