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
Application filed by Ashland Oil IncfiledCriticalAshland Oil Inc
Priority to PT7851184ApriorityCriticalpatent/PT78511B/en
Publication of PT78511ApublicationCriticalpatent/PT78511A/en
Publication of PT78511BpublicationCriticalpatent/PT78511B/en