Patent ID: 8551927
Filing Date: 2013-10-08
Classification: C10M,C10N

Abstract:
1. A lubricating composition comprising an oil of lubricating viscosity and an oil-soluble compound obtained by a process of reacting an N-(2-hydroxyalk(en)yl)alkylenediamine-N,N′,N′-tricarboxylic acid or an N-(alk(en)yl)-alkylenediamine-N,N′,N′-tricarboxylic acid or an alkylenediamine-N,N,N′,N′-tetracarboxylic acid with an amine or an alcohol, wherein the oil-soluble compound is in the form of a mixture comprising: (a) at least 50 mole % to 99.9 mole % of a material represented by the formula: and (b) 0.1 mole % to less than 50 mole % of a material represented by the formula: wherein R R wherein the oil-soluble compound is present in an amount in the range of 0.01 wt % to 5 wt % of the lubricating composition.