Patent ID: 7989409
Filing Date: 2011-08-02
Classification: C10M,C10N

Abstract:
1. An improved grease composition as evidenced by low oil separation and evaporation loss properties, said composition comprising: (a) a lubricant base oil having a VI greater than 120 and a pour point below about −20° C. and less than 2 wt % evaporative losses after 22 hours at 100° C. wherein the base oil consists essentially of about 10 wt % to about 95 wt % of a gas to liquid (GTL) base stock and about 5 wt % to 90 wt % of a PAO fluid and in which base oil at least 85% of the hydrocarbons in the oil have at least 30 carbon atoms; and (b) a grease thickener.