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 US06/931,610external-prioritypatent/US4788083A/en
Publication of NO905168LpublicationCriticalpatent/NO905168L/no
Application filed by Ashland Oil IncfiledCriticalAshland Oil Inc
Priority to NO905168ApriorityCriticalpatent/NO308257B1/no
Publication of NO905168D0publicationCriticalpatent/NO905168D0/no
Publication of NO308257B1publicationCriticalpatent/NO308257B1/no