Patent ID: 9540581
Date: 2017-01-10
CPC Classifications: C10L,C10M,C10N

Claim:
1. A composition comprising: (a) a medium comprising a solvent, a functional fluid, an additive concentrate or combinations thereof; and (b) a friction modifier component comprising a derivative of a hydroxy-carboxylic acid, which comprises an imide, di-ester, di-amide, or ester-amide derivative of tartaric acid, citric acid, or mixtures thereof, in an amount of more than 0.5 and up to about 3 weight percent such that it is not fully soluble in the medium; and (c) a stabilizing component that is soluble in (a) and that interacts with (b) such that (b)'s solubility in (a) is improved, said stabilizing component comprising: wherein components (b) and (c), or (b) alone, are present in component (a) in the form of dispersed particles having an average diameter of less than 10 microns.