Lubricating oil additive composition

Details Lubricating oil additive composition Lubricating oil additive composition

1976-04-01

1978-06-27

Shaver, Paul F.

Compositions

Electrolytes for electrical devices

252 327E, 252 327HC, 252 45, 252 47, 252 486, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

040973867

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.3 -C.sub.10 alkyl, phenyl or phenyl substituted by 1 or 2 alkyl groups of up to 12 carbon atoms. Lubricating oil compositions containing this additive composition are also disclosed.

REFERENCES:
patent: 2718501 (1955-09-01), Harle
patent: 3445386 (1969-05-01), Otto et al.
patent: 3634256 (1972-01-01), Bickham
patent: 3711406 (1973-01-01), Lowe
patent: 3839210 (1974-10-01), Beiswanger et al.

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