Lubricating oil antioxidant additive composition

Details Lubricating oil antioxidant additive composition Lubricating oil antioxidant additive composition

1976-04-01

1978-07-25

Wyman, Daniel E.

Compositions

Electrolytes for electrical devices

252 327E, 252 47, 252401, 252402, C10M 112, C09K 1502

Patent

active

041027965

ABSTRACT:
A lubricating oil additive composition which imparts improved oxidation properties to crankcase lubricants comprises an 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.

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patent: 3909420 (1975-09-01), Turnquest et al.
patent: 3948800 (1976-04-01), Meinhardt

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