Abstract:
A LUBRICATING OIL COMPOSITION CONTAINING A HYDROCARBYL SUBSTITUTED AMINE ASHLESS DETERGENT WHERE THE HYDROCARBYL SUBSTITUENT CONTAINS AT LEAST 40 CARBON ATOMS, A POLYOXYALKYLENE DERIVATIVE, AND AN ALKALINE EARTH METAL CARBONATE DISPERSED IN THE OIL TO PROVIDE AN ALKALINITY VALUE OF ABOUT 10 MG. KOH/G. THESE COMPOSITIONS ARE FOUND TO BE HIGHLY RUST AND CORROSION INHIBITORY WHILE ALSO POSSESSING THE ABILITY TO REDUCE OR PREVENT THE FORMATION OF VARNISH, SLUGE AND DEPOSITS ON THE INNER METALLIC SURFACES OF INTERNAL COMBUSTION ENGINES. THE PREFERRED POLYOXYALKYLENE DERIVATIVES ARE THE POLYXYALKYENE POLYOLS OR OXAALKANOLS.
Abstract:
Alkenyl halolactone esters of monools and polyols are described. These materials are useful as lubricating oil detergency and/or dispersancy additives.
Abstract:
1. A COMPOSITION COMPRISING A MAJOR AMOUNT OF AN OIL OF LUBRICATING VISCOSITY AND FROM 0.02 TO 5 PERCENT BY WEIGHT OF THE PRODUCT OF THE PROCESS WHICH COMPRISES CONTACTING AN ALKYLPHENOL, MERCAPTOBENZOTHIAZOLE AND AN ALDEHYDE IN THE MOLE RATIO OF ABOUT 1-2:1:1-2 AT A TEMPERATURE OF FROM ABOUT 250* TO ABOUT 300*F. FOR A PERIOD OF 2-20 HOURS FOLLOWED BY THE ADDITION OF SULFUR MONOCHLORIDE IN THE AMOUNT OF 0.25-2 MOLES PER MOLE OF MERCAPTOBENZOTHIAZOLE AT 100-200*F.
Abstract:
Acid neutralization accelerating compositions are disclosed comprising: (a) lubricating oil base, (b) an imidazoline polyalkoxylated compound, (c) a sulfonate or phenate dispersant, and (d) an alkaline earth metal carbonate.
Abstract:
POLYOXYALKYLENE GLYCOLS AND THEIR REACTION PRODUCTS WITH ORGANIC DIISOCYANATE AND DICARBOXYLIC ACID ARE COMBINED WITH ALKALINE EARTH METAL CARBONATES DISPERSED IN A HYDROCARBON MEDIUM TO PROVIDE LYBRICATING COMPOSITIONS OF SUPERIOR ACID NEUTRALIZATION CAPABILITY AND RUST INHIBITION IN INTERNAL COMBUSTION ENGINES.
Abstract:
POLY(HYDROXYALKYLATED) AMINES ARE COMBINED ARE COMBINED WITH ALKALINE EARTH METAL CARBONATES DISPERSED IN A HYDROCARBON MEDIUM TO PROVIDE IMPROVED RUST PROTECTION IN INTERNAL COMBUSTION ENGINES.