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Priority claimed from FR8507694Aexternal-prioritypatent/FR2582300B1/en
Priority claimed from FR8515858Aexternal-prioritypatent/FR2589150B2/en
Application filed by Rhone Poulenc ChimiefiledCriticalRhone Poulenc Chimie
Priority claimed from EP86420128Aexternal-prioritypatent/EP0205391B1/en
Application grantedgrantedCritical
Publication of ATE38221T1publicationCriticalpatent/ATE38221T1/en