Reaction product of acidic molybdenum compound with basic nitrogen compound and lubricants containing same
AssigneeChevron Research Company
InventorsJohn M. King, Louis deVries
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Abstract
Antioxidant additives for lubricating oil are prepared by combining an acidic molybdenum compound and certain basic nitrogen compounds to form a molybdenum-containing compositions.
Claims10
A process for preparing a molybdenum-containing composition which comprises reacting an acidic molybdenum compound selected from the group consisting of molybdic acid, ammonium molybdate, alkali metal molybdate, bromide and chloride molybdenum salts, and molybdenum trioxide and a basic nitrogen compound selected from the group consisting of a carboxylic acid amide, Mannich Base, phosphonamide, thiophosphonamide, phosphoramide, and a dispersant viscosity index improver wherein from 0.01 to 2 atoms of molybdenum are present per basic nitrogen atom to form a molybdenum-containing complex.
Dependencies are inferred from the claim text.