Abstract: Lubricated surfaces and methods for improving wear performance of gears and bearings are described. The lubricated surfaces include a manganese phosphate film on the surfaces having a film layer density ranging from about 0.1 to about 0.5 milligrams per square centimeter. A lubricating oil containing a phosphorus anti-wear agent is used to provide lubrication of the surfaces.

Abstract: A method for producing metal-containing nanoparticles. The method includes combining a metal organic compound selected from metal acetates, metal acetyl acetonates, and metal xanthates with an amine to provide a solution of metal organic compound in the amine. The solution is then irradiated with a high frequency radiation source to provide metal nanoparticles having the formula (Aa)m(Bb)nXx, wherein each of A and B is selected from a metal, X is selected from the group consisting of oxygen, sulfur, selenium, phosphorus, halogen, and hydroxide, subscripts a, b, and x represent compositional stoichiometry, and each of m and n is greater than or equal to zero, with the proviso that at least one of m and n is greater than zero.

Abstract: A method for reducing a friction coefficient adjacent a lubricated surface, and a lubricant composition for reducing a friction coefficient between lubricated surfaces. The method includes providing an amount of metal-containing dispersed in a fully formulated lubricant composition containing a base oil of lubricating viscosity, wherein the nanoparticles have an average particles size ranging from about 1 to about 10 nanometers. The lubricant composition containing the metal-containing nanoparticles is applied to a surface to be lubricated.

Abstract: The lubricant compositions of the present disclosure comprises a base oil and an additive composition comprising, for example, a detergent and an additive chosen from a phosphorus-containing compound, a friction modifier, and a dispersant, wherein the additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the detergent and the additive. As a further example, the additive composition can comprise a friction modifier and a dispersant, wherein the additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the friction modifier and the dispersant. Methods of using the additive and lubricant compositions are also disclosed.

Abstract: A lubricant composition comprising a detergent and a base oil comprising more than about 1.6% by weight of tetracycloparaffins is disclosed. Methods of making and using the composition are also disclosed.

Abstract: A lubricant composition comprising a dispersant and a base oil comprising more than about 1.6% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed.

Abstract: There is disclosed a composition comprising an alloy represented by the following generic formula (Aa)n(Bb)n(Cc)n(Dd)n( . . . )n; wherein each capital letter and ( . . . ) is a metal; wherein A is a combustion modifier; B is a deposit modifier; C is a corrosion inhibitor; and D is a combustion co-modifier/electrostatic precipitator enhancer; wherein each subscript letter represents compositional stoichiometry; wherein n is greater than or equal to zero; and wherein the alloy comprises at least two different metals; and with the proviso that if the metal is cerium, then its compositional stoichiometry is less than about 0.7. There is also disclosed a fuel additive comprising an alloy; a fuel composition comprising the fuel additive composition; methods of making the fuel additive composition; and methods of using the disclosed alloy.

Abstract: There is disclosed a lubricating composition comprising a friction modifier and a base oil comprising less than about 3% by weight of tetracycloparaffins. Methods of making and using the composition are also disclosed.

Abstract: A lubricant composition comprising a detergent and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the composition are also disclosed.

Abstract: A lubricant composition comprising a phosphorus-containing compound and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed.

Abstract: A lubricant composition comprising a dispersant and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed.

Abstract: A method for reducing friction coefficients and wear between lubricated surfaces. The method includes providing an amount of an oil-soluble or oil-dispersible component selected from the group consisting of a photo-crosslinkable poly(2-cinnamoyloxyalkyl acrylate) core and a diblock acrylate copolymer corona in a fully formulated lubricant composition containing a base oil of lubricating viscosity. The lubricant composition containing the component is applied to a surface to be lubricated.

Abstract: A method for reducing friction coefficients and wear between lubricated surfaces. The method includes providing an amount of an oil-soluble nanospherical component derived from a photo-crosslinkable poly(2-cinnamoyloxyalkyl acrylate) core and a diblock acrylate copolymer corona in a fully formulated lubricant composition containing a base oil of lubricating viscosity. The nanospherical component has a core diameter ranging from about 10 to about 100 nanometers. The lubricant composition containing the nanospherical component is applied to a surface to be lubricated.

Abstract: Advanced methods are provided for achieving improved power transmission performance, and unique fluid compositions useful for practicing such methods are also presented. In particular a method and related composition is provided for reducing NVH in a power transmission apparatus having a friction torque transfer apparatus, such as, e.g., a shifting clutch, comprising maintaining a negative ??/?T slope, and/or a negative ??/?P slope, during engagement of the friction torque transfer apparatus.

Abstract: Advanced methods are provided for achieving improved power transmission performance, and unique fluid compositions useful for practicing such methods are also presented. In particular a method is provided for reducing NVH in a power transmission apparatus having a friction torque transfer apparatus, such as, e.g., a shifting clutch, comprising maintaining a negative ??/?T slope, and/or a negative ??/?P slope, during engagement of the friction torque transfer apparatus.

Abstract: Advanced methods are provided for achieving improved power transmission performance, and unique fluid compositions useful for practicing such methods are also presented. In particular a method and related composition is provided for improving anti-NVH durability in aged transmission fluids.

Abstract: A power transmission fluid having improved characteristics, a method of lubricating a transmission, and a vehicle containing the transmission fluid is disclosed. The transmission fluid includes an amount of silicon-containing antifoam agent having a kinematic viscosity of greater than about 20,000 centistokes at 25° C. that is effective to provide gear shifting times of no more than about 0.75 seconds over a useful lifetime of the transmission fluid.

Abstract: There is provided a lubricating composition having a major amount of a lubricating oil having less than about 40% by weight alkylcycloparaffins and a minor amount of at least one diarylamine, and processes for making and using thereof.

Abstract: The present invention relates to an alkyl-substituted aryl polyalkoxylate composition, fuel concentrates, and fuel compositions containing the composition. The invention further relates to the use of the alkyl-substituted aryl polyalkoxylate composition in fuel combusted in engines to reduce the formation of intake valve deposits and to reduce valve sticking in the engines.

Abstract: Poly (meth) acrylate copolymers comprising from about 5 to about 60 weight percent of a C11-C15 alkyl (meth) acrylate; and from about 95 to about 40 weight percent of a C16-C30 alkyl (meth) acrylate provide excellent low temperature properties to lubricating oils.