Process for preparing molybdenum-containing compositions...

Details Process for preparing molybdenum-containing compositions... Process for preparing molybdenum-containing compositions...

C - Chemistry, Metallurgy

07

F

260/134, 253/53,

C07F 11/00 (2006.01) C07F 9/165 (2006.01) C10M 137/10 (2006.01) C10M 159/18 (2006.01)

Patent

CA 1148148

ABSTRACT OF THE DISCLOSURE: Molybdenum-containing compositions prepared by reacting an olefinically unsaturated compound capable of reacting with active sulfur with a composition prepared by reacting: (a) a phosphorus-containing acid represented by the formula: Image wherein each X and X' is independently oxygen or sulfur, each n is zero or one and each R is independently the same or a different hydrocarbon-based radical; and (b) at least one hexavalent molybdenum oxide compound, and (c) hydrogen sulfide, in the presence of (d) a polar solvent are useful as addi- tives for lubricants. Internal combustion engines, es- pecially gasoline engines, when lubricated by said additive- containing lubricants exhibit improved fuel economy.

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