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Priority claimed from US06/597,188external-prioritypatent/US4681921A/en
Priority claimed from US06/597,187external-prioritypatent/US4632963A/en
Priority claimed from NO851252Aexternal-prioritypatent/NO166648C/en
Publication of NO894246LpublicationCriticalpatent/NO894246L/en
Application filed by Exxon Research Engineering CofiledCriticalExxon Research Engineering Co
Priority to NO894246ApriorityCriticalpatent/NO894246D0/en
Publication of NO894246D0publicationCriticalpatent/NO894246D0/en