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Priority claimed from DE19863629441external-prioritypatent/DE3629441A1/de
Priority claimed from DE19873702964external-prioritypatent/DE3702964A1/de
Application filed by Shell Int ResearchfiledCriticalShell Int Research
Priority claimed from EP87112370Aexternal-prioritypatent/EP0262393B1/de
Application grantedgrantedCritical
Publication of ATE84298T1publicationCriticalpatent/ATE84298T1/de