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Priority claimed from FR8314940Aexternal-prioritypatent/FR2552093B1/fr
Priority claimed from FR8410254Aexternal-prioritypatent/FR2566784B1/fr
Application filed by Elf AquitainefiledCriticalElf Aquitaine
Priority claimed from PCT/FR1984/000202external-prioritypatent/WO1985001293A1/fr
Application grantedgrantedCritical
Publication of ATE40704T1publicationCriticalpatent/ATE40704T1/de