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
Application filed by Hoechst IndiafiledCriticalHoechst India
Priority to IN377BO1991priorityCriticalpatent/IN175387B/en
Publication of IN175387BpublicationCriticalpatent/IN175387B/en