Lubricating Composition With Phenolic Antioxidant And Low Active Sulfur

Abstract

A lubricating composition includes an oil of lubricating viscosity, a phenolic antioxidant, a sulfurized organic compound with an active sulfur content of no more than 8 wt. %, and optionally, one or more performance additives selected from: a succinimide dispersant, and a detergent. In addition, a method for improving oxidative stability of a lubricating oil in an engine comprises supplying to the engine a lubricating composition including an oil of lubricating viscosity, a phenolic antioxidant, a sulfurized organic compound with an active sulfur content of no more than 8 wt. %, and optionally, one or more performance additives selected from: a succinimide dispersant, and a detergent.

Dependencies are inferred from the claim text.