Patent ID: 9090846
Filing Date: 2015-07-28
Classification: C10M,C10N

Abstract:
1. A method of lubricating a driveline device comprising supplying to the driveline device a lubricating composition comprising an oil of lubricating viscosity and 0.01 to 5 wt % of a product obtained/obtainable by reacting: (i) a hydroxy-containing carboxylic compound, wherein the hydroxy-containing carboxylic compound is derived from glycolic acid, malic acid, tartaric acid, citric acid, or mixtures thereof, a (thio)phosphorylating agent, or reactive equivalents thereof, and optionally an alcohol, and optionally (ii) reacting the product of (i) with an amine, or mixtures thereof, wherein the driveline device includes a manual transmission that may or may not contain a synchronizer system, or an automatic transmission, or an axle.