Lubricating composition containing emulsion-sludge inhibitors
Patent
·
OSTI ID:5650265
A lubricating oil composition is disclosed for use in the crankcase of an internal combustion engine. It has improved resistance to the formation of emulsion-sludge in the area under the engine rocker cover, which contains the combination of an oxyalkylated alkylphenol-formaldehyde condensation product and tetra polyoxyethylene polyoxypropylene derivative of ethylene diamine.
- Assignee:
- Ethyl Corp
- Patent Number(s):
- US 4305834
- OSTI ID:
- 5650265
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
ADDITIVES
ALDEHYDES
AMINES
AROMATICS
CHEMICAL COMPOSITION
COLLOIDS
DISPERSIONS
EMULSIONS
ENGINES
FORMALDEHYDE
HEAT ENGINES
HYDROXY COMPOUNDS
INHIBITION
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PHENOLS
SLUDGES
SURFACTANTS
020500* -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
ADDITIVES
ALDEHYDES
AMINES
AROMATICS
CHEMICAL COMPOSITION
COLLOIDS
DISPERSIONS
EMULSIONS
ENGINES
FORMALDEHYDE
HEAT ENGINES
HYDROXY COMPOUNDS
INHIBITION
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PHENOLS
SLUDGES
SURFACTANTS