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 FR8507695Aexternal-prioritypatent/FR2582301B1/en
Priority claimed from FR8515857Aexternal-prioritypatent/FR2589147B1/en
Application filed by Rhone Poulenc ChimiefiledCriticalRhone Poulenc Chimie
Priority claimed from EP86420130Aexternal-prioritypatent/EP0206951B1/en
Application grantedgrantedCritical
Publication of ATE51218T1publicationCriticalpatent/ATE51218T1/en