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Priority claimed from GB858516301Aexternal-prioritypatent/GB8516301D0/en
Priority claimed from GB858522841Aexternal-prioritypatent/GB8522841D0/en
Application filed by Exxon Chemical Patents IncfiledCriticalExxon Chemical Patents Inc
Priority claimed from EP86304964Aexternal-prioritypatent/EP0206833B1/de
Application grantedgrantedCritical
Publication of ATE89597T1publicationCriticalpatent/ATE89597T1/de