Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ashland LLC
Original Assignee
Ashland Oil Inc
Filing date
Publication date
Priority claimed from US05/753,400external-prioritypatent/US4090954A/en
Application filed by Ashland Oil IncfiledCriticalAshland Oil Inc
Application grantedgrantedCritical
Publication of AU3130677ApublicationCriticalpatent/AU3130677A/en
Publication of AU495351B2publicationCriticalpatent/AU495351B2/en