Haze, oxidation, and corrosion resistant diesel engine lubricant

Patent · Tue Nov 10 04:00:00 EST 1987

OSTI ID:5584186

Sung, R L; Zoleski, B H; O'Rourke, R L

This patent describes a haze, oxidation, and corrosion resistant diesel engine lubricant composition, particularly useful in marine and railway diesel engines, contains 0.1-5.0 weight percent of a reaction product additive. The reaction product additive is produced by first reacting substantially equimolar amounts of an anhydride compound which is either a dibasic acid anhydride or isatoic anhydride and a hydrocarbon-substituted mono primary amine or ether amine at a temperature range of 50/sup 0/C-150/sup 0/C to produce an intermediate reaction product. The intermediate reaction product is thereafter further reacted at an elevated temperature with a substantially equimolar amount of a heterocyclic azole or polyalkylene polyamine compound to form the final reaction product.

• Assignee: Texaco Inc., White Plains, NY
• Patent Number(s): US 4705642
• OSTI ID: 5584186
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330102* -- Internal Combustion Engines-- Diesel
AMINES
ANHYDRIDES
AZOLES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CORROSION PROTECTION
CORROSION RESISTANCE
DIESEL ENGINES
ENGINES
HEAT ENGINES
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
OILS
OPACITY
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
RADICALS
REACTION INTERMEDIATES
SYNTHESIS
THERMODYNAMIC PROPERTIES