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Priority claimed from FR8615841Aexternal-prioritypatent/FR2606772B1/fr
Priority claimed from FR8617331Aexternal-prioritypatent/FR2608151B1/fr
Priority claimed from FR8702140Aexternal-prioritypatent/FR2611199B1/fr
Priority claimed from FR8704210Aexternal-prioritypatent/FR2612920B3/fr
Application filed by AtochemfiledCriticalAtochem
Priority claimed from EP19870402373external-prioritypatent/EP0270398B1/de
Application grantedgrantedCritical
Publication of ATE65240T1publicationCriticalpatent/ATE65240T1/de