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.)
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Publication date
Priority claimed from IN115/CAL/88Aexternal-prioritypatent/IN168913B/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to IN464/CAL/90ApriorityCriticalpatent/IN169807B/en
Publication of IN169807BpublicationCriticalpatent/IN169807B/en