Lubricating oil additive composition

Details Lubricating oil additive composition Lubricating oil additive composition

1978-03-27

1979-07-17

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 47, 252 475, 252 50, 252400A, 252401, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

041614518

ABSTRACT:
A lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants comprises a antioxidant selected from aromatic and alkyl sulfides and polysulfides, sulfurized olefins, sulfurized carboxylic acid esters and sulfurized ester-olefins, and a secondary amine of the formula: ##STR1## wherein R and R' are aliphatic radicals. Lubricating oil compositions containing this additive composition are also disclosed.

REFERENCES:
patent: 2305034 (1942-12-01), Rosen et al.
patent: 2718501 (1955-09-01), Harle
patent: 2958663 (1960-11-01), Westcott et al.
patent: 3004916 (1961-10-01), Ertelt
patent: 3345292 (1967-10-01), Neale et al.
patent: 3398095 (1968-08-01), Judd
patent: 3839210 (1974-10-01), Beiswanger et al.

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