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Priority claimed from FR8618471Aexternal-prioritypatent/FR2609065B1/fr
Priority claimed from FR8707279Aexternal-prioritypatent/FR2615526B1/fr
Application filed by Rhone Poulenc ChimiefiledCriticalRhone Poulenc Chimie
Priority claimed from EP87402917Aexternal-prioritypatent/EP0279134B1/de
Application grantedgrantedCritical
Publication of ATE57713T1publicationCriticalpatent/ATE57713T1/de