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US 4,395,327 AGranted
Hydrotreating process
AssigneeMobil Oil Corporation
InventorBruce P. Pelrine
Life of this patent
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Abstract
Lubricating oils of improved quality are prepared by hydrotreating a lubricant base stock in the presence of a hydrotreating catalyst comprising zeolite ZSM-39 and a hydrogenation component.
Claims6
A process for producing a lubricating oil of improved properties which comprises hydrotreating a lubricating oil base stock in the presence of a hydrotreating catalyst comprising zeolite ZSM-39.
Dependencies are inferred from the claim text.