Patent ID: 6878676
Filing Date: 2005-04-12
Classification: C10M

Abstract:
1. A lubricant composition comprising: A) a lubricant, and B) at least one molybdenum-containing compound in the form of surface-capped nanosized particles of the general formula wherein: Z is selected from the group consisting of MoS (X−R) is a surface-capping reagent selected from the group consisting of alkyl amines, dialkyl amines, trialkyl amines, carboxylic acids, dicarboxylic acids, carboxylic acid amides, dicarboxylic acid diamides, alicyclic imides, ammonium or alkali metal dialkyldithiocarbamates, divalent metal bis-dialkyldithiocarbamates, trivalent metal tris-dialkyldithiocarbamates, tetraalkyl thiuram disulfides, and derivatives thereof; n is the number of molecules of Z in the particles; m is an integer representing the amount of surface-capping reagents relative to a single particle; and the ratio of m to n is in the range of from about 1:1 to about 10:1.