Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/454,332external-prioritypatent/US5019279A/en
Application filed by Marathon Oil CofiledCriticalMarathon Oil Co
Publication of NO922409LpublicationCriticalpatent/NO922409L/no
Publication of NO922409D0publicationCriticalpatent/NO922409D0/no