Abstract: A method for removing aromatic compounds from a hydrocarbon fluid comprises contacting the hydrocarbon fluid with a solid-phase polymeric material. The solid-phase polymeric material comprises a cross-linked polymer which contains aromatic groups. The method may be used to prevent the build-up of sludge and soot in a lubricant system in an internal combustion engine. A polymer bead comprising a solid-phase polymeric material is also provided.

Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using the compound and compositions thereof are also provided.

Abstract: Provided herein is a medium speed diesel engine crankcase lubricating oil composition comprising: (a) major amount of an oil of lubricating viscosity; and (b) 0.1 to 5.0 weight percent of a silver lubricity additive comprising: (iv) an alkoxylated fatty amine or salt thereof; (v) an alkoxylated fatty diamine or salt thereof; or (vi) mixtures of (i) and (ii) above. Also provided is a method for reducing silver bearing wear and friction in medium speed diesel engines comprising lubricating said engine with said lubricating oil composition.

Abstract: A grease composition for constant-velocity joints which is inexpensive and which and which has an improved anti-flaking property without using materials which have environmental burdens, and a constant-velocity joint enclosing this grease are provided. A grease composition for constant-velocity joints comprising: (a) a base oil, (b) a diurea thickener, (c) a zinc dialkyldithiophosphate, (d) a sulfurized molybdenum dialkyldithiocarbamate, (e) a zinc dialkyldithiocarbamate, and (f) a sulfur-nitrogen extreme pressure additive is provided.

Abstract: This invention relates to novel macromolecular amine-phenolic compositions having oxidation inhibition characteristics that are exhibited when added to organic material normally susceptible to oxidative degradation in the presence of air or oxygen, such as petroleum products, synthetic polymers, and elastomeric substances.

Abstract: Aqueous alkaline metal working fluids and concentrates thereof and processes for their use are disclosed. Processes to reduce the presence of Mycobacteria in a metal working environment are also disclosed.

Abstract: Aqueous alkaline metal working fluids and concentrates thereof and processes for their use are disclosed. Processes to reduce the presence of Mycobacteria in a metal working environment are also disclosed.

Abstract: A lubricant composition is provided comprising a first liquid lubricant and a second liquid lubricant, wherein the first liquid lubricant contains a cyclotriphosphazene ring attached to at least one perfluoropolyether having a single terminal hydroxyl group, and the second liquid lubricant contains a perfluoropolyether having two end groups selected from hydroxyl, tertiary amine, and combinations thereof. A magnetic recording media is also provided, comprising a substrate, a magnetic layer, an overcoat layer and a lubricant layer thereon, wherein the lubricant layer is formed from the lubricant composition. A further aspect of the invention concerns a method of making a magnetic recording media comprising forming a magnetic layer on a substrate; forming a protective overcoat layer on the magnetic layer; and forming a lubricant layer on the surface of the overcoat layer by applying the lubricant composition to the surface of the overcoat layer.

Abstract: A lubricant concentrate comprising an effective lubricating amount of at least one ether carboxylate and at least one foam destabilizer, and methods of using the same. The lubricant concentrate may be diluted with water prior to use.

Abstract: The invention provides a lubricant oil composition useful for reduction in friction loss and improvement in fuel economy in internal combustion engines, particularly, a lubricant oil composition for internal combustion engines exhibiting an excellent friction reducing effect even in a diesel engine equipped with EGR accompanied with an increase in soot content in oil. The invention is a lubricant composition for internal combustion engines comprising a lubricant base oil consisting of a mineral oil and/or synthetic oil or the like incorporated with 1 wt % or more, based on the total weight of the lubricant oil composition, a nonionic surfactant with alkylene oxide added thereto consisting of at least one compound having an HLB value of 15 or more and a molecular weight of 900 or more, and a friction reducing method for internal combustion engines using this lubricant oil composition.

Abstract: The invention provides a lubricant oil composition useful for reduction in friction loss and improvement in fuel economy in internal combustion engines, particularly, a lubricant oil composition for internal combustion engines exhibiting an excellent friction reducing effect even in a diesel engine equipped with EGR accompanied with an increase in soot content in oil. The invention is a lubricant composition for internal combustion engines comprising a lubricant base oil consisting of a mineral oil and/or synthetic oil or the like incorporated with 1 wt % or more, based on the total weight of the lubricant oil composition, a nonionic surfactant with alkylene oxide added thereto consisting of at least one compound having an HLB value of 15 or more and a molecular weight of 900 or more, and a friction reducing method for internal combustion engines using this lubricant oil composition.

Abstract: The invention relates to polyalkene alcohol polyetheramines of formula R1—(CH2)n—O—A)m—NR2R3, wherein R1 represents a polyalkene radical derived from C2- to C30-alkenes with a number average molecular weight of 300 to 5000, R2 and R3 each mean, independently of each other, hydrogen or organic radicals with a total of 400 carbon atoms. A denotes alkylene groups with 2 to 8 C atoms, m is a number from 1 to 200 and n denotes the number 0 or 1. The inventive polyalkene alcohol polyetheramines are suitable for use as carrier oils, detergents and dispersing agents in fuel and lubricant compositions.

Abstract: A lubricant blend for use on a wire exposed to an HFC refrigerant. The lubricant blend includes an organic phase and an aqueous phase. The organic phase includes a lubricant which has a defined solubility in the HFC refrigerant and a lubricity suitable for application to the wire. The organic phase also includes a solvent in which the lubricant is soluble and, optionally, a hydrophobic surfactant. The aqueous phase includes a surfactant which forms an emulsion between the organic phase and the aqueous phase, which has a defined solubility in a non-CFC containing refrigerant. A magnetic wire lubricant, method of making the lubricant blend, and compressor using the lubricant blend are also described.

Abstract: A lubricant blend for use on a wire exposed to an HFC refrigerant. The lubricant blend includes an organic phase and an aqueous phase. The organic phase includes a lubricant which has a defined solubility in the HFC refrigerant and a lubricity suitable for application to the wire. The organic phase also includes a solvent in which the lubricant is soluble and, optionally, a hydrophobic surfactant. The aqueous phase includes a surfactant which forms an emulsion between the organic phase and the aqueous phase, which has a defined solubility in a non-CFC containing refrigerant. A magnetic wire lubricant, method of making the lubricant blend, and compressor using the lubricant blend are also described.

Abstract: The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include a copolymer of two different conjugated dienes. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. The polymers may be functionalized by hydroformylation followed by reductive amination. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.

Abstract: This invention provides compositions and methods for producing automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 18,000 centipoise using natural lubricating oils.

Abstract: Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where each molecule of the polyisobutene has such a reactive double bond, with oxides of nitrogen or mixtures of oxides of nitrogen and oxygen, are suitable as additives for fuels, in particular for gasoline engines, and for lubricants.

Abstract: A lubricating oil composition suitable for use in a low or medium speed diesel engine comprising a fuel oil with a residual oil content is characterised in that the lubricating oil composition further comprises a hydrocarbyl substituted amine or polyamine. The effect of such an amine is to reduce deposits due to the residual oil. A method of reducing deposits in a low or medium speed diesel engine is also disclosed.

Abstract: The invention is a lubricant concentrate and a lubricant use-solution as well as methods of use. The lubricant concentrate and lubricant use-solution each include one or more ether amine compounds, and a surfactant. Each of the ether amine compounds has a formula selected from the group consisting of R.sub.1 --O--R.sub.2 NH.sub.2, R.sub.1 --O--R.sub.2 --NH--R.sub.3 --NH.sub.2, and mixtures thereof, wherein R.sub.1 is a linear or branched, saturated or unsaturated C.sub.6 -C.sub.18 alkyl, R.sub.2 is a linear or branched C.sub.1 -C.sub.8 alkylene, and R.sub.3 is a linear or branched C.sub.1 -C.sub.8 alkylene group. The compositions of the invention also include a surfactant to solubilize the amine compound, and optionally, a source of alkalinity and an antimicrobial agent, among other adjuvants.

Abstract: This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.

Abstract: The invention includes lubricant concentrate and use solution compositions having an amine compound of the formula,R.sub.1 --O--R.sub.2 --NH.sub.2,R.sub.1 --O--R.sub.2 --NH--R.sub.3 --NH.sub.2,and mixtures thereofwherein R.sub.1 may be a linear saturated or unsaturated C.sub.6 -C.sub.18 alkyl, R.sub.2 is a linear or branched C.sub.1 -C.sub.8 alkyl, and R.sub.3 may be a linear or branched C.sub.1 -C.sub.8 alkyl. The concentrate also comprises an acidulant, optionally a stabilizing hydrotrope, and a surfactant. The lubricant use solution resulting from dilution of the concentrate has an amine compound in a concentration ranging from about 10 ppm to 10000 ppm. Also disclosed is a method of lubricating a conveyor system which includes providing a use solution of the lubricant concentrate composition.

Abstract: The lubricant composition of the present invention is characterized in that 1 ppm to 500 ppm of polysiloxane with a viscosity of 1,000 mm.sup.2 /s to 100,000 mm.sup.2 /s at 40.degree. C. and 1 ppm to 5,000 ppm of ethylene glycol-propylene glycol polymer or a derivative thereof are blended with a base oil with a viscosity of 10 mm.sup.2 /s to 700 mm.sup.2 /s at 40 .degree. C. Because the lubricant composition of the present invention has excellent anti-foaming property, particularly in lubricants of high viscosity and at higher temperature, the composition is useful as a lubricant composition for use as bearing oil such as a lubricant for paper machine, hydraulic oil for injection molding press, and a lubricant for film orientation machine.

Abstract: This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.

Abstract: This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 15,000 centipoise.

Abstract: This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 15,000 centipoise.