Method for improving fuel economy of internal combustion engines using borated 1,2-alkanediols

Patent · Tue Dec 16 04:00:00 EST 1986

OSTI ID:6982742

Small, Jr, V R

A lubricating oil composition is described comprising: (a) a major amount of an oil of lubricating viscosity; and (b) an amount of each of the following: (1) about 1 to 20% by weight of an alkenyl succinimide or alkenyl succinate or mixtures thereof; (2) about 0.1 to 4% by weight of a Group II metal salt of a dihydrocarbyl dithiophosphoric acid; (3) about 0.3 to 10% by weight of a neutral or overbased alkali or alkaline earth metal hydrocarbyl sulfonate or mixtures thereof; (4) about 0.2 to 27% by weight of a neutral or overbased alkali or alkaline earth metal, alkylated phenate, or mixtures thereof; and (5) about 0.1 to 5% by weight of a mixture of a borated long-chain 1,2-alkaline diol friction modifier of a formula.

• Assignee: Chevron Research Co., San Francisco, CA
• Patent Number(s): US 4629576
• OSTI ID: 6982742
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
023000* -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
ALCOHOLS
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALKYL RADICALS
ALKYLATION
BORON COMPOUNDS
CARBON
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
DICARBOXYLIC ACIDS
DISPERSIONS
ELEMENTS
ENGINES
FUEL ECONOMY
GLYCOLS
HEAT ENGINES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INORGANIC ACIDS
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
LUBRICATING PROPERTIES
MIXTURES
NONMETALS
OILS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PHOSPHORIC ACID
PHYSICAL PROPERTIES
QUANTITY RATIO
RADICALS
SUCCINIC ACID
SULFONATES
VISCOSITY