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 FR8814298Aexternal-prioritypatent/FR2637905B1/en
Application filed by Rhone Poulenc ChimiefiledCriticalRhone Poulenc Chimie
Priority to SG122893ApriorityCriticalpatent/SG122893G/en
Publication of SG122893GpublicationCriticalpatent/SG122893G/en