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.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development Co
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Filing date
Publication date
Application filed by Gulf Research and Development CofiledCriticalGulf Research and Development Co
Priority to ES391978ApriorityCriticalpatent/ES391978A3/es
Publication of ES391978A3publicationCriticalpatent/ES391978A3/es
Un procedimiento para la obtenciën de nuevas composiciones de materia con propiedades mejoradoras del indice de viscosidad en composiciones de aceites lubricantes
A process forthe production of improved hydrocarbon oils comprising combined solvent extraction of lubricating oil and heavy catalytically cracked oil and blending