Lubricating oil additive composition

Details Lubricating oil additive composition Lubricating oil additive composition

1978-03-31

1979-12-04

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 47, 252 475, 252 50, 252402, C10M 148

Patent

active

041771532

ABSTRACT:
A lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants comprises an antioxidant selected from aromatic or alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester-olefins, and a tertiary amine of the formula (R).sub.3 N wherein each R is independently C.sub.1 -C.sub.35 alkyl and at least one R contains at least 11 carbon atoms. Lubricating oil compositions containing this additive composition are also disclosed.

REFERENCES:
patent: 2308282 (1943-01-01), Howland et al.
patent: 2476271 (1949-07-01), Bartleson
patent: 2758086 (1956-08-01), Stuart et al.
patent: 3345292 (1967-10-01), Neale et al.
patent: 3398197 (1968-08-01), Miller et al.
patent: 3480674 (1969-11-01), Miller et al.
patent: 3849322 (1974-11-01), Wendler et al.
patent: 4053427 (1977-10-01), Hotten
patent: 4097386 (1978-06-01), Lowe

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