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Priority claimed from CA000472531Aexternal-prioritypatent/CA1269952A/en
Priority claimed from AU40909/85Aexternal-prioritypatent/AU4090985A/en
Application filed by Conoco Specialty ProdfiledCriticalConoco Specialty Prod
Priority claimed from EP85903647Aexternal-prioritypatent/EP0240486B1/de
Application grantedgrantedCritical
Publication of ATE57315T1publicationCriticalpatent/ATE57315T1/de