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 AgfiledCriticalHoechst Ag
Priority to IN288CA1992priorityCriticalpatent/IN173140B/en
Publication of IN173140BpublicationCriticalpatent/IN173140B/en