CPC C10M 137/10 (2013.01) [C07F 9/17 (2013.01); C10M 169/04 (2013.01); C10M 2203/003 (2013.01); C10M 2223/047 (2013.01); C10N 2030/06 (2013.01)] | 27 Claims |
1. A lubricating composition comprising:
a majority of one or more base oils of lubricating viscosity;
an organometallic phosphorus-providing antiwear additive or salt thereof made by a process comprising the steps of (a) reacting an organic hydroxy compound with phosphorus pentasulfide to form a reaction product; (b) distilling the reaction product and recovering a condensate; and (c) neutralizing the condensate with a basic or neutral metal compound including one or more of a metal oxide, a metal hydroxide, or a metal carbonate to form the organometallic phosphorus-providing antiwear additive or salt thereof.
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