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 IN955/CAL/88Aexternal-prioritypatent/IN171135B/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to IN536CA1991priorityCriticalpatent/IN173829B/en
Publication of IN173829BpublicationCriticalpatent/IN173829B/en