Patent ID: 6806237
Filing Date: 2004-10-19
Classification: C10G,C10M,C10N

Abstract:
A lube base oil comprising:a) at least one synthetic lube base oil having an iso-paraffin content of greater than 50% and an Oxidator A value of less than about 1; and b) at least one percent of a non-synthetic lube base oil selected from the groups consisting of Group I lube base oils, Group II lube base oils with a sulfur content greater than about 50 ppm, petroleum-derived Group V lube base oils, or mixtures thereof wherein the non-synthetic lube base oil has an Oxidator BN value of less than about 7; wherein the lube base oil has an Oxidator A value of greater than about 1 and has an Oxidator BN value of greater than about 7.