Abstract: The present invention describes alkoxylated amines as fuel additives for reducing injector deposits in direct injection gasoline engines.

Abstract: The present disclosure relates to processes for the production of capillary dialyzers. The processes involve contact-free thermoforming of bundles of hollow fiber membranes. The present disclosure also relates to an apparatus for contact-free thermoforming of bundles of hollow fiber membranes.

Abstract: A rust preventive oil composition is provided, which includes: (A) a base oil that is at least one oil selected from a mineral oil and a synthetic oil; (B) 0.1 to 10% by mass of water based on a total mass of the composition; and (C) one or more specific rust preventive additives selected from the group consisting of a sarcosine-type compound, a nonionic surfactant, a sulfonate salt, an ester, an amine, a carboxylic acid, a fatty acid amine salt, a carboxylate salt, paraffin wax, a salt of oxidized wax, and a boron compound, wherein the rust preventive oil composition has a kinetic viscosity of 20 to 100 mm2/s at 40° C. The rust preventive oil composition can suppress rust development over a long period of time even when there remains a rust-causing agent, which adheres to the metal parts assembled by bare hands, such as steel sheets, bearings, steel balls, and guide rails.

Abstract: A lubricating oil composition contains a lubricating base oil and components (A) to (D): (A) a primary amine; (B) a tertiary amine; (C) at least one of metal sulfonate, metal phenate and metal salicylate; and (D) at least one of acid phosphate and acid phosphite.

Abstract: A lubricant composition of (a) an oil of lubricating viscosity; (b) a dispersant comprising the condensation product of a carboxylic functionalized polymer with an aromatic amine having at least 3 aromatic rings and at least one primary or secondary amino group; and (c) an overbased metal detergent comprising an oil-soluble neutral metal salt component and a metal carbonate component, provides good seal and corrosion performance. The total amount of neutral metal salt component in the lubricant composition is at least about 0.75 percent by weight and the sulfated ash level of the lubricant composition is less than about 1.1 percent.

Abstract: The invention provides a lubricating composition containing an antiwear agent and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine, or a driveline device.

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a compound obtained/obtainable by a process comprising reacting a glycolic acid, a 2-halo-acetic acid, or a lactic acid, or an alkali or alkaline metal salts thereof, (typically glycolic acid or a 2-halo-acetic acid) with at least one member selected from the group consisting of an amine, an alcohol, and an aminoalcohol. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers that contain one or more amide functional groups, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Abstract: The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent.

Abstract: The invention provides a grease composition suitable for being packed in roll bearings to be lubricated at elevated temperatures and a bearing in which the above-mentioned grease composition is packed. In the grease composition containing a base oil, a urea-containing thickener and an additive, the additive includes an overbased metal sulfonate and the amount of the overbased metal sulfonate is 0.05 to 1.00 mass % with respect to the total amount of the grease composition. The bearing has the above-mentioned grease composition sealed therein.

Abstract: A lubricant composition of a synthetic oil of lubricating viscosity, 3 to 6 percent by weight of a nitrogen-containing dispersant, 1 to 2.5 weight percent of an overbased magnesium detergent, 1 to 5 weight percent of an antioxidant; and 0.25 to 1.5 weight percent of a friction modifier is useful for lubricating a hydrogen-fueled engine. The composition will typically contain less than 0.01 weight percent Ca, less than 0.01 weight percent Zn, less than 0.06 weight percent P, and will have a sulfated ash level of less than 1.2%.

Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.

Abstract: A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as an oil thereby serving as a lubricant fluid such as an oil thereby.

Abstract: A composition for lubricating an internal combustion engine includes an oil of lubricating viscosity; a predominantly linear alkylbenzenesulfonate detergent having a metal ratio of at least 8; and a combination of hindered phenolic ester antioxidant and aromatic amine antioxidant. The amount of any phenate detergent is less than 15% by weight of the total amount of detergents.

Abstract: A composition for cleaning bearings in rotating equipment and industrial machinery that contains powdered limestone having a high calcium content dispersed in a calcium sulfonate grease, together with a colorant that readily enables a user to differentiate between contaminated grease, cleaning composition and fresh grease. A method is also disclosed that enables a user to clean and re-lubricate bearings without the need for removing the bearings from service or for shutting down the associated equipment or machinery.

Abstract: A grease composition with a thickener of a calcium sulfonate complex and a second thickener component in a base oil. The second thickener component may be, for instance, polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal salt. Alternatively, a grease composition with a thickener of an N-substituted terephthalamic acid metal salt and a second thickener component in a base oil. Furthermore, a grease composition with a thickener component of polyurea and complex metallic soap in an ester oil. Still further, a grease composition with a thickener of polyurea and a complex metallic soap in a base oil.

Abstract: A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and an additive system comprising (A) from about 0.1 to about 5% by weight of a detergent composition comprising at least two metal overbased compositions wherein said detergent composition consists essentially of (A-1) at least one alkali metal overbased detergent and (A-2) at least one calcium overbased detergent, wherein the ratio of total base number on a per 100 TBN and diluent-free basis contributed by the alkali metal detergent to the total base number contributed by the calcium detergent ranges from about 99.5-20 to about 0.5-80; (B) from about 1 to about 10% by weight of a succinimide dispersant; and (C) from about 0.1 to about 5 % by weight of a metal dihydrocarbyl dithiophosphate of the formula (I) wherein R1 and R2 are each, independently, hydrocarbyl groups containing from 3 to 13 carbon atoms, M is a metal and n is an integer equal to the valence of M.

Abstract: A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as an oil thereby serving as a lubricant fluid such as an oil thereby.

Abstract: A grease composition is produced by mixing a thickener of a calcium sulfonate complex and a second thickener component (polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal salt) into a base oil. This grease composition is excellent in heat resistance, load carrying capacity, water resistance and lubricating life.

Abstract: An alkaline earth alkylaryl sulfonate having a BN of at least 250, wherein the aryl radical is not phenol, wherein the alkyl chain is a linear chain that contains between 14 and 40 carbon atoms, and wherein the mole % of the aryl-sulfonate radical fixed on position 1 or 2 of the linear alkyl chain is between 13% and 30%. Such an alkaline earth alkylaryl sulfonate has improved compatibility, solubility, and foaming performances while having low color and no skin formation. The starting alkylate has a low iodine number, a very high level of monoalkylate, and, as a consequence, a high yield at the sulfonation step.

Abstract: A grease composition is disclosed which contains a lubricating base oil, and: (A) 2 to 30 wt % of a urea thickener, (B) 0.1 to 20 wt % of a sulfur-containing extreme pressure agent selected from the group consisting of dihydrocarbyl polysulfide, sulfurized oils and fats and mixtures thereof, and (C) 0.05 to 10 wt % of a sulfonate selected from the group consisting of an over-based zinc sulfonate, an over-based magnesium sulfonate and mixtures thereof having total base number of 100 to 500 mgKOH/g, each based on a total amount of said composition.

Abstract: A molybdenum-free lubricating oil composition exhibiting improved fuel economy and fuel economy retention properties, which comprises: (a) a base stock oil compound of at least 50 wt. % mineral oil, the base stock oil having a viscosity of 4.0-5.5 mm2/s at 100° C., 95 wt. % or more saturates, 25 wt. % or less napthenics, a NOACK volatility of 15.9% or less, a kV of 4.0-5.5 mm2/s at 100° C. and a viscosity index of at least 120; (b) at least one calcium detergent and (c) at least one organic friction modifier, wherein the composition has a NOACK volatility of about 15 wt. % or less and contains from about 0.058 to 0.58 wt. % calcium from the calcium detergent.

Abstract: A heavy duty diesel engine lubricating oil composition having no more than 0.10 wt. % phosphorus comprises an ashless dispersant, a neutral calcium phenate, an overbased calcium or magnesium sulfonate, a metal dihydrocarbyldithiophosphate, and a phenolic or aminic antioxidant.

Abstract: A lubricating oil composition having an excellent sludge formation inhibiting effect and being suitable for use as an engine oil is provided. The lubricating oil composition includes: a lubricating base oil, (A) 0.5 to 20% by mass of acylated bissuccinimide, (B) 0.05 to 0.3% by mass of zinc dithiophosphate in terms of the phosphorus content, and (C) 0.5 to 4.0% by mass of metallic detergent in terms of the sulfated ash content, based on the total mass of the composition.

Abstract: A lubricating oil composition containing a base oil of lubricating viscosity, overbased sulfurized alkylphenate detergent or its calcium salt, an overbased alkylsulfonate detergent or its calcium salt, an ashless dispersant, and a zinc dialkyldithiophosphate and/or zinc diaryldithiophosphate is described. The lubricating oil composition provides improved heat stability and anti-wear performance in marine diesel engines operated under severe conditions where the cylinder liner temperature reach 200 to 260° C.

Abstract: A low overbased alkyl phenyl sulfonate prepared by the neutralization of sulfonic acid with a sulfurized high TBN calcium alkylphenate in the absence of chloride and in the absence of additional carboxylic acid.

Abstract: Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one sulfur and phosphorus containing composition, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and an aliphatic group substituted carboxylic acid or anhydride thereof, wherein the aliphatic group contains at least about 12 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C., the phosphorus and sulfur compound being described in detail herein.

Abstract: Improved grease compositions comprise a major amount of an oil based metal soap thickened base grease selected from the group consisting of simple metal soap thickened base grease, complex grease and failed complex grease, at least one metal salt of a sulfur and phosphorus containing acid, an overbased metal salt of an organic acid, a hydrocarbyl phosphite, and optionally, an aliphatic group substituted carboxylic acid, anhydride thereof and aliphatic group substituted lactone, wherein the aliphatic group contains at least about 8 carbon atoms in amounts sufficient to increase the dropping point of the base grease, as measured by ASTM Procedure D-2265 by at least 15.degree. C.

Abstract: Multigrade crankcase lubricants having low concentrations of chlorine and sulphated ash use multifunctional viscosity modifiers in place of conventional chlorine-containing dispersants. The lubricant contains at least 1.5 weight percent of a chlorine-containing dispersant that is a reaction product of a polyisobutenyl succinic anhydride and an organic amine, a multifunctional viscosity modifier and a detergent system that comprises a metal sulfonateand one or more metal salts of a phenolic organic acid selected from the group consisting of alkyl phenols, sulfurized alkyl phenols, and alkyl salicylic acids in an amount that provides at least 0.0025 gram equivalents of phenolic hydroxide. At least one of the metal salts is overbased and the detergent system includes not more than 0.008 gram equivalent % carbonate. The gram equivalent ratio of the total amount of phenolic hydroxide to the metal sulfonate is at least 1.

Abstract: The present invention is directed to a low ash natural gas engine oil which contains an additive package including a particular combination of detergents and also containing other standard additives such as dispersants, antioxidants, antiwear agents, metal deactivators, antifoamants and pour point depressants and viscosity index improvers. The low ash natural gas engine oil exhibits reduced deposit formation and enhanced resistance to oil oxidation and nitration.

Abstract: A lubricating oil composition is described which comprises a major amount of an oil of lubricating viscosity and(A) at least about 1% by weight of at least one carboxylic derivative composition produced by reacting(A-1) at least one substituted succinic acylating agent containing at least about 50 carbon atoms in the substituent with(A-2) from about 0.5 equivalent up to about 2 moles, per equivalent of acylating agent (A-1), of at least one amine compound characterized by the presence within its structure of at least one HN<group; and(B) at least one alkali metal overbased salt of a hydrocarbyl-substituted carboxylic acid or a mixture of a hydrocarbyl carboxylic acid and a hydrocarbyl-substituted sulfonic acid having a metal ratio of greater than 2 in an amount sufficient to provide at least about 0.

Abstract: Hexafluoroacetone or its hydrate is produced in a higher yield than that of the conventional process (1) by oxidizing a heptafluoroisobutenyl ether with ozone or (2) by thermally decomposing an octafluoroisobutyl ether or a heptafluoroisobutenyl ether in the presence of oxygen and an activated carbon catalyst.