Grease composition containing pao, alkylaromatic synthetic fluid and white oil for industrial bearings
AssigneeExxon Research & Engineering Co.
InventorDavid Anthony Slack
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Abstract
A grease of enhanced thermal stability and improved soap utilization comprises a major amount of a base oil comprising polyalphaolefin, alkyl aromatic synthetic fluid and white oil and a minor amount of soap thickener.
Claims15
A lubricating grease composition comprising a major portion of a base oil of lubricating viscosity and a minor portion of a thickener, wherein the base oil of lubricating viscosity comprises a mixture of about 10 to 40 wt % white oil, about 5 to 30 wt % of one or more alkyl aromatic synthetic oils and greater than about 40 wt % of one or more poly alpha olefin(s).
A method for improving the thermal stability and improve the thickener utilization of a grease comprising a major amount of a base oil containing an alkylaromatic synthetic oil fluid and PAO and a minor amount of a thickener by including in the base oil about 10 to 40 wt % of white oil based on all the oil components present.
Dependencies are inferred from the claim text.