Lubricating oil additive composition
Patent
·
OSTI ID:5313833
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.
- Assignee:
- Chevron Research Co.
- Patent Number(s):
- US 4177153
- OSTI ID:
- 5313833
- Country of Publication:
- United States
- Language:
- English
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