Molybdenum complexes of ashless polyol ester dispersants as fric

Details Molybdenum complexes of ashless polyol ester dispersants as fric Molybdenum complexes of ashless polyol ester dispersants as fric

1979-06-04

1980-12-16

Metz, Andrew

Compositions

Electrolytes for electrical devices

252 463, 252 467, 252 497, 260429R, 542413, 542427, C10M 148

Patent

active

042396336

ABSTRACT:
An oil-soluble molybdenum complex of an ashless polyol ester dispersant, preferably of oil-soluble reaction product of a molybdenum compound such as molybdic acid with about 1 to 2 molar equivalents of a polyol ester of a hydrocarbon substituted diacid material such as polybutenyl succinic anhydride or a thio-bis-(hydrocarbyl substituted diacid material), such as thio-bis-(polyalkyl lactone acid) and/or their precursors, the adducts of sulfur chloride and unsaturated diacid materials, e.g., 4,8-bis-polyalkyl-4,8-dichloro-6-thiaundecane-1,2,10,11-tetracarboxylic acid bis-anhydride and their dehydrochlorinated analogs, is a useful additive to a lubricating oil since both the sludge dispersant and antifriction properties of said oil are enhanced.

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