Abstract: The present invention relates to a lubricating oil composition containing: (A) a poly-?-olefin base oil obtained by using a metallocene catalyst; (B) a mineral oil-based base oil exhibiting a distillation curve with a temperature gradient ?|Dt| of distillation temperature between two points 2.0 vol % and 5.0 vol % of distillation amount being 6.8° C./vol % or less; and (C) an ester-based base oil in an amount of 6% by mass or more based on a total amount of the composition.

Abstract: Provided is a mineral base oil satisfying the following requirements (I) to (III): Requirement (I): a kinematic viscosity at 100° C. is 2 mm2/s or more and less than 7 mm2/s; Requirement (II): a viscosity index is 100 or more; and Requirement (III): a temperature gradient ?|?*| of complex viscosity between two temperature points ?10° C. and ?25° C. is 60 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%. The foregoing mineral base oil can become a lubricating oil composition having desirable low-temperature viscosity characteristics, including low-temperature fuel consumption and low-temperature engine start-up performance, and also having excellent high-temperature piston detergency.

Abstract: Provided is a lubricating oil composition containing a mineral base oil (A) having a temperature gradient ?|Dt| of a distillation temperature between two points of a distillation amount of 2.0% by volume and a distillation amount of 5.0% by volume in a distillation curve of 6.8° C./% by volume or less, and an antioxidant (B) containing an amine-based antioxidant (B1), a phenol-based antioxidant (B2), and a phosphorus-based antioxidant (B3), wherein the content of the component (B3) is 0.06 to 1.0% by mass based on the total amount of the lubricating oil composition. The lubricating oil composition is a long-life lubricating oil composition that maintains excellent oxidation stability even for long-term use in a high-temperature environment, and has a high effect of suppressing the generation of sludge for a long period of time.

Abstract: The present invention relates to a Zinc free High Performance bearing oil composition for Lubrication of Bearings, Gears & Allied Equipments in Wire Rod Mill (WRM) for Steel Plants.

Abstract: A lubricating oil composition for an internal combustion engine, the composition including: a lubricating base oil comprising at least one mineral base oil or at least one synthetic base oil or any combination thereof, the lubricating base oil having a kinematic viscosity at 100° C. of 4.0 to 4.5 mm2/s and a NOACK evaporation loss at 250° C. of no more than 15 mass %; (A) a calcium-containing metallic detergent in an amount of no less than 1000 mass ppm and less than 2000 mass ppm in terms of calcium on the basis of the total mass of the composition; (B) a magnesium-containing metallic detergent in an amount of 100 to 1000 mass ppm in terms of magnesium on the basis of the total mass of the composition; and optionally (C) a viscosity index improver in an amount of less than 1 mass % on the basis of the total mass of the composition.

Abstract: (1) A cylinder lubricating oil composition for a crosshead diesel engine, the composition having: a sulfated ash content of 2.0 to 5.5 mass %; a base number of 15 to 45 mgKOH/g; and an autoignition temperature of no less than 262° C. (2) A cylinder lubricating oil composition for a crosshead diesel engine, comprising: a lubricant base oil; (B) a Ca sulfonate detergent having a base number of no less than 10 mgKOH/g and less than 60 mgKOH/g; (C) a Ca phenate detergent having a base number of 55 to 200 mgKOH/g; (D?) an amine antioxidant; and (E?) a zinc dithiophosphate, wherein the composition has a base number of no less than 15 mgKOH/g and less than 120 mgKOH/g.

Abstract: A lubricant composition improves a performance of reducing a formation of compressor deposit. The lubricant composition also ensures low temperature properties of the lubricant composition. The lubricant composition includes 14 mass % or more of a fraction having a boiling point of 500° C. to 550° C. and 5 mass % or more of a fraction having a boiling point of over 550° C.

Abstract: A method for producing a lubricant base oil which comprises a first step of carrying out isomerization dewaxing by contacting, in the presence of hydrogen, a hydrocarbon oil containing normal paraffin having a boiling point of 360° C. or higher, with a hydroisomerization catalyst under conditions such that a cracking rate defined in the following formula (1) is 10 mass % or less, and a second step of carrying out the above isomerization dewaxing by temporarily switching the above conditions to conditions such that the cracking rate is 13 mass % or more. Cracking rate (mass %)=[(C1?C2)/C1]×100??(1) wherein C1 represents the mass ratio of a fraction having a boiling point of 360° C. or higher in the above hydrocarbon oil, and C2 represents the mass ratio of the fraction having a boiling point of 360° C. or higher in the above hydrocarbon oil after the isomerization dewaxing.

Abstract: The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b). (a) A saturated compound content of 95% by mass or greater, and a proportion of 0.1-10% by mass of cyclic saturated compounds among the saturated compounds. (b) The condition represented by the following formula (1). 1.435?n20?0.002×kv100?1.450??(1) wherein n20 represents the refractive index of the lubricating base oil at 20° C., and kv100 represents the kinematic viscosity (mm2/s) of the lubricating base oil at 100° C.

Abstract: A lubricating composition comprising an oil of lubricating viscosity, 1 to 80 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and a salicylate detergent provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils.

Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.

Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.

Abstract: The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more inorganic core particles; and (ii) one or more multi-block copolymers attached to the inorganic particles. The multi-block copolymer includes at least one nonpolar polymer block interposed between two polar polymer blocks. One polar polymer block is attached to the core particle, and at least a portion of the another polar polymer block is not directly attached to the core particle. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adheres to the metallic surface of the workpiece.

Abstract: The lubricating oil composition for an internal combustion engine of the invention comprises a lubricating base oil having a urea adduct value of not greater than 4% by mass and a viscosity index of 100 or greater, an ash-free antioxidant containing no sulfur as a constituent element, and at least one compound selected from among ash-free antioxidants containing sulfur as a constituent element and organic molybdenum compounds.

Abstract: Dicyclopentadienyl molybdenum crosslinked complexes which can be represented by general formula (1) below are provided, the use thereof as friction-modifiers and lubricating compositions which contain these compounds are also provided In this formula X is the element oxygen or the element sulphur, Y is the element oxygen or Y is absent, and R1 to R10 are groups selected individually from the group comprising hydrogen, the methyl group and the ethyl group.

Abstract: A solvent composition includes a substance that is subject to oxidative alteration by an oxygen radical, and a compound that has a superoxide dismutase-mimetic activity that includes oxygen radical-removing capability. In the solvent composition of the invention, oxygen radicals can be removed by the compound having an superoxide dismutase-mimetic activity that includes oxygen radical-removing capability, and therefore the substance that is subject to oxidative alteration can be prevented from oxidizing.

Abstract: The lubricating oil composition of the present invention comprises a base oil for lubricating oil, (A) at least one species selected from the phosphorus compounds represented by the following General Formula (1) or (2) as well as metal salts (excluding molybdenum salts) and amine salts thereof, and (B) an organic molybdenum compound not containing sulfur as a constituent element (in the formula, R1 and R4 represent hydrocarbon groups having 1 to 30 carbons, R2, R3, R5 and R6 represent hydrogen atoms or hydrocarbon groups having 1 to 30 carbons, X1 to X7 represent oxygen atoms or sulfur atoms, and n represents 0 or 1).

Abstract: The present invention provides dicyclopentadienyl molybdenum crosslinked complexes which can be represented by general formula (1) below, the use thereof as friction-modifiers and lubricating compositions which contain these compounds. In this formula X is the element oxygen or the element sulphur, Y is the element oxygen or Y is absent, and R1 to R10 are groups selected individually from the group comprising hydrogen, the methyl group and the ethyl group.

Abstract: The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more inorganic core particles; and (ii) one or more multi-block copolymers attached to the inorganic particles. The multi-block copolymer includes at least one nonpolar polymer block interposed between two polar polymer blocks. One polar polymer block is attached to the core particle, and at least a portion of the another polar polymer block is not directly attached to, the core particle. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adheres to the metallic surface of the workpiece.

Abstract: The present invention relates to capped particle additives for use in lubricant compositions, to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adhere to the metallic surface of the workpiece.

Abstract: The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound. (a) The saturated component content is 90% by mass or greater, and the proportion of cyclic saturated components among the saturated components is 10-40% by mass. (b) The condition represented by the following formula (1) is satisfied. 1.440?n20?0.002×kv100?1.453??(1) [wherein n20 represents the 20° C.

Abstract: The present invention provides dicyclopentadienyl molybdenum crosslinked complexes which can be represented by general formula (1) below, the use thereof as friction-modifiers and lubricating compositions which contain these compounds. In this formula X is the element oxygen or the element sulphur, Y is the element oxygen or Y is absent, and R1 to R10 are groups selected individually from the group comprising hydrogen, the methyl group and the ethyl group.

Abstract: The present invention is directed to green lubricant compositions comprising a base oil and an effective amount of premixed additives that improve wear protection and reduce phosphorus emissions.

Abstract: The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more core particles wherein the core particle is an inorganic particle having a dimension less than about 5 ?m; and (ii) one or more multi-block copolymers attached to the inorganic particles, wherein the multi-block copolymer comprises a) at least one nonpolar polymer block; b) at least one first polar polymer block; and c) at least one second polar polymer block; wherein the nonpolar polymer block is interposed between the first polar polymer block and the second polar polymer block, the first polar polymer block is attached to the core particle, and at least a portion of the second polar polymer block is not attached to the core particle.

Abstract: The present invention is directed to lubricating oils of improved antioxidancy comprising a base oil selected from the group consisting of mineral oils, synthetic oils and mixtures thereof containing an effective amount of one or more organometallic compound and/or coordination complex selected from the group consisting of (a) a metal or metal cation with more than one oxidation state, above the ground state, and two or more anions, (b) a metal or metal cation with more than one oxidation state above the ground state and one or more bidentate or tridentate ligands, (c) a metal or metal cation with more than one oxidation state above the ground slate, and one or more amines and one or more ligands, and (d) mixtures thereof, to a method for improving the antioxidancy of formulated lubricating oil compositions by the addition thereto of an effective amount of the aforementioned organometallic compound, and/or coordination complex, and to an additive concentrate containing the aforementioned organometallic compou

Abstract: The present invention relates to a controlled release gel with an ashless component and defined ash-producing component. Further, the invention relates to the use of a controlled release gel with a controlled level of ash-producing (i.e., metal) components for delivery of additives into lubricants wherein the gel has reduced ash and SAPS producing components.

Abstract: A lubricating oil composition comprising: a lubricating base oil comprising a first lubricating base oil component having a urea adduct value of not greater than 4% by mass, a kinematic viscosity at 40° C. of 14-25 mm2/s and a viscosity index of 120 or higher and a second lubricating base oil component having a kinematic viscosity at 40° C. of less than 14 mm2/s, wherein the content of the first lubricating base oil component is 10-99% by mass and the content of the second lubricating base oil component is 1-50% by mass, based on the total amount of the lubricating base oil; and a viscosity index improver, the lubricating oil composition having a kinematic viscosity at 100° C. of 4-12 mm2/s and a viscosity index of 200-350.

Abstract: The present invention is directed to lubricating oils exhibiting improved resistance to oxidation and deposit/sludge formation comprising a lubricant base oil and an effective amount of a catalytic antioxidant comprising one or more polymetal organometallic compound, to a method for improving the antioxidancy and the resistance to deposit/sludge formation of formulated lubricating oil compositions by the addition thereto of an effective amount of the aforementioned polymetal organometallic compound, and to an additive concentrate containing the aforementioned polymetal organometallic compound.

Abstract: A lubricating oil composition and methods of operating an internal combustion engine to provide improved engine operation. The lubricating composition includes a major amount of oil of lubricating viscosity and a minor amount of at least one olefin copolymer having a number average molecular weight greater than about 10,000 up to about 300,000. The olefin copolymer is grafted with (A) a vinyl-substituted aromatic compound, and (B) a compound selected from the group consisting of a C5-C30 olefin, a polyalkylene compound, and mixtures thereof. A mole ratio of A/B in the reaction mixture ranges from about 0.25:1 to about 5:1. The lubricating composition optionally includes a minor amount of at least one non-grafted olefin copolymer, styrene-isoprene copolymer, methacrylate copolymer, or styrene butadiene copolymer have number average molecular weight greater than about 50,000 up to about 300,000.

Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.

Abstract: The lubricating oil composition for an internal combustion engine of the invention comprises a lubricating base oil having a urea adduct value of not greater than 4% by mass and a viscosity index of 100 or greater, an ash-free antioxidant containing no sulfur as a constituent element, and at least one compound selected from among ash-free antioxidants containing sulfur as a constituent element and organic molybdenum compounds.

Abstract: To provide a novel composition useful as lubricant composition or the like. It is disclosed a composition comprising an oily medium and at least one compound represented by following formula (Z). A-L-{D1-(E)q-D2-(B)m—Z1—R}p??(Z) A represents a p-valent chain or cyclic residue; L represents a single bond or a divalent linking group; p represents an integer of 2 or more; D1 represents a carbonyl group (—C(?O)—) or a sulfonyl group (—S(?O)2—); D2 represents a carbonyl group (—C(?O)—), a sulfonyl group (—S(?O)2—), a carboxyl group (—C(?O)O—), a sulfonyloxyl group (—S(?O)2O—), a carbamoyl group (—C(?O)N(Alk) or a sulfamoyl group (—S(?O)2N(Alk)-); E represents a divalent group; R represents a hydrogen atom, a substituted or non-substituted C8 or longer alkyl group, a perfluoroalkyl group or a trialkylsilyl group; B represents an oxyethylene group or the like; and Z1 represents a single bond or a divalent group.

Abstract: A solvent composition includes a substance that is subject to oxidative alteration by an oxygen radical, and a compound that has a superoxide dismutase-mimetic activity that includes oxygen radical-removing capability. In the solvent composition of the invention, oxygen radicals can be removed by the compound having an superoxide dismutase-mimetic activity that includes oxygen radical-removing capability, and therefore the substance that is subject to oxidative alteration can be prevented from oxidizing.

Abstract: The present invention relates to lubricating oil compositions comprising sulfurised esters that exhibit good antioxidancy performance whilst maintaining nitrile elastomer seal compatibility

Abstract: The disclosure is directed to a method of enhancing a fuel value for a used or waste lubricating oil, lubricating oils having improved combustion and emission characteristics, and a business method for distributing and using waste oils as components of primary combustion fuels. In one embodiment, there is provided a lubricating oil composition having improved combustion and emission properties when burned as a used lubricating oil composition. The lubricating oil composition includes a major amount of oil of lubricating viscosity and a minor combustion improving amount of a combustion improving additive.

Abstract: A dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring.

Abstract: The present invention relates to a lubricating composition containing a dicarboxylic acid ester or a dicarboxylic acid amide as an antiwear agent. The invention further provides a lubricating composition suitable for the mechanical device such as an internal combustion engine.

Abstract: The present invention provides a lubricating base oil comprising saturated components of 90% by mass or greater, wherein the proportion of cyclic saturated components among the saturated components is not greater than 40% by mass, and by having a viscosity index of 110 or higher and an iodine value of not greater than 2.5. The lubricating base oil of the invention exhibits excellent viscosity-temperature characteristics and heat and oxidation stability while also allowing additives to exhibit a higher level of function when additives are included. The lubricating base oil of the invention is suitable for use in various lubricating oil fields, and is especially useful for reducing energy loss and achieving energy savings in devices in which the lubricating base oil is applied.

Abstract: The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b). (a) A saturated compound content of 95% by mass or greater, and a proportion of 0.1-10% by mass of cyclic saturated compounds among the saturated compounds. (b) The condition represented by the following formula (1). 1.435?n20?0.002×kv100 ?1.450??(1) wherein n20 represents the refractive index of the lubricating base oil at 20° C., and kv100 represents the kinematic viscosity (mm2/s) of the lubricating base oil at 100° C.

Abstract: The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound. (a) The saturated component content is 90% by mass or greater, and the proportion of cyclic saturated components among the saturated components is 10-40% by mass. (b) The condition represented by the following formula (1) is satisfied. 1.440?n20?0.002×kv100?1.453 (1) [wherein n20 represents the 20° C.

Abstract: A lubricating oil composition for internal combustion engines which comprises a base oil comprising mineral oils and/or synthetic oils and polyisobutylene having a weight-average molecular weight of 500,000 or higher. Consumption of the engine oil can be decreased by using the above composition. In particular, consumption of the engine oil can be decreased even when the above composition is used as the engine oil of the energy saving type using a base oil having a low viscosity.

Abstract: To solve the problem to provide for a new grease composition giving low wear and low friction primarily to constant velocity joints, a grease composition is suggested comprising a) a base oil composition; and b) 0.25% by weight to 5% by weight of at least one tri-nuclear molybdenum corn pound of the formula Mo3SkLnQz wherein L are independently selected ligands having organo groups with a sufficient number of carbon atoms to render the compound soluble or dispersible in the oil, n is from 1 to 4, k varies from 4 though 7, Q is selected from the group of neutral electron donating compounds such as amines, alcohols, phosphines, and ethers, and z ranges from 0 to 5 and includes non-stoichiometric values.

Abstract: In order to provide for a grease composition reducing or preventing noise, vibration and harshness (NVH) in the driveline, a grease composition for use in constant velocity joints is suggested, comprising a) a base oil composition; b) at least one tri-nuclear molybdenum compound of the formula MO3SkLnQZ, wherein L are independently selected ligands having organo groups with a sufficient number of carbon atoms to render the compound soluble or dispersible in the oil, n is from 1 to 4, k varies from 4 though 7, Q is selected from the group of neutral electron donating compounds such as amines, alcohols, phosphines, and ethers, and z ranges from 0 to 5 and includes non-stoichiometric values. c) at least one further molybdenum containing compound; and d) at least one simple and/or complex soap thickener.

Abstract: There is disclosed a lubricating composition comprising an oil of lubricating viscosity formulated with an additive package comprising at least one overbased metal detergent, at least one neutral metal detergent, and at least one phosphorus-based wear preventative. Methods for improving oxidation performance in a TO-4 fluid for use in heavy vehicle machinery are also disclosed.

Abstract: Dielectric fluids comprising oil fractions derived from highly paraffinic wax are provided. Further provided are processes for making these dielectric fluids comprising oil fractions derived from highly paraffinic wax. The dielectric fluids are useful as insulating and cooling mediums in new and existing power and distribution electrical apparatus, such as transformers, regulators, circuit breakers, switchgear, underground electrical cables, and attendant equipment.

Abstract: The resistance to oxidation and nitration of a gas engine oil is improved by the use of a combination of a hindered phenolic antioxidant and an (alkylated) phenyl-?-naphthylamine antioxidant. The additional use of an organo molybdenum compound further enhances the resistance to oxidation and nitration.

Abstract: The lubricating oil composition of the present invention comprises a base oil for lubricating oil, (A) at least one species selected from the phosphorus compounds represented by the following General Formula (1) or (2) as well as metal salts (excluding molybdenum salts) and amine salts thereof, and (B) an organic molybdenum compound not containing sulfur as a constituent element (in the formula, R1 and R4 represent hydrocarbon groups having 1 to 30 carbons, R2, R3, R5 and R6 represent hydrogen atoms or hydrocarbon groups having 1 to 30 carbons, X1 to X7 represent oxygen atoms or sulfur atoms, and n represents 0 or 1).

Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.

Abstract: The lubricating oil composition of the invention comprises a lubricating base oil with a urea adduct value of no greater than 4% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear agent at 0.01-0.2% by mass as phosphorus, based on the total amount of the composition.

Abstract: The present invention relates to a controlled release gel with an ashless component and defined ash-producing component. Further, the invention relates to the use of a controlled release gel with a controlled level of ash-producing (i.e., metal) components for delivery of additives into lubricants wherein the gel has reduced ash and SAPS producing components.