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Priority claimed from GB888806504Aexternal-prioritypatent/GB8806504D0/en
Priority claimed from GB888818692Aexternal-prioritypatent/GB8818692D0/en
Application filed by Exxon Chemical Patents IncfiledCriticalExxon Chemical Patents Inc
Priority claimed from EP19890302668external-prioritypatent/EP0333508B1/en
Application grantedgrantedCritical
Publication of ATE101178T1publicationCriticalpatent/ATE101178T1/en