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WO/2023/022930A1 |
The disclosed technology relates to a lubricant composition for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or...
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WO/2023/022931A1 |
The disclosed technology relates to a lubricant composition for automotive or industrial gears, as well as axles and bearings, the automotive or industrial gear oil containing an oil of lubricating viscosity, an optional phosphate and/or...
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WO/2023/004265A1 |
The present disclosure describes lubricant compositions effective to reduce lead corrosion through an admixture of lubricant additives including at least a base oil of lubricating viscosity, a dispersant, a friction modifier, and boron-c...
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WO/2022/255166A1 |
With respect to the lubrication properties of an oil well pipe during fastening and loosing operations, the present invention achieves, by using a solid lubricant coating film, seize resistance at a level equal to or higher than that ach...
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WO/2022/209569A1 |
Provided is a lubricating oil composition that comprises a base oil (A) and a dispersant viscosity index improver (B), wherein the nitrogen atom content of the dispersant viscosity index improver (B) on a solid content basis is 0.50-1.50...
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WO/2022/195350A1 |
A lubricating and cooling fluid for an electric motor system including a lubricating base oil, at least one sulfurized component, a dispersant system comprising at least two dispersants, and a friction modifier system comprising at least...
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WO/2022/140094A1 |
Improved organic anti-wear additive compositions are disclosed containing certain citric acid esters, e.g., mixtures comprising citrate oligomers, and fatty acid alkanolamides. The combination exhibits excellent and synergistic anti-wear...
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WO/2022/039105A1 |
Provided is a lubricating oil composition used for lubricating shock absorbers and comprising a base oil (A), a polyalkyl (meth)acrylate (B) having a weight-average molecular weight of 150,000-900,000, and an olefin copolymer (C) having ...
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WO/2022/026090A1 |
A hydraulic fracturing method is disclosed. A small proportion of a nonionic surfactant is used in combination with an acrylamide polymer emulsion friction reducer, the proppant, and the base water to boost the viscosity of the fracturin...
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WO/2022/018001A1 |
The present invention relates to a lubricating composition comprising at least one base oil, at least one borated dispersant, at least two antioxidants selected from amine antioxidants, phenolic antioxidants substituted with one or more ...
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WO/2021/229517A1 |
Provided is a lubricating oil composition, for example a composition having a SAE 0W-20 viscosity grade or lower, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a non-dispersant comb polymethacrylate (PMA), and (c...
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WO/2021/185568A1 |
The aim of the invention is to provide a composition for lubricating and/or descaling during the hot working of metals which does not have the disadvantages observed in conventional high-temperature lubricants. For this purpose, the inve...
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WO/2020/190859A1 |
Lubricant compositions comprising a base oil, one or more antioxidants selected from a group consisting of N-α-naphthyl-N-phenylamine antioxidants and diphenylamine antioxidants; and a sulfur-containing additive comprising up to seven c...
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WO/2020/085478A1 |
Provided is a lubricating oil composition which comprises a lube base oil (A), an olefin-based copolymer (B), and a poly(alkyl (meth)acrylate) (C), wherein the olefin-based copolymer (B) has a weight-average molecular weight of 10,000-80...
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WO/2020/020477A1 |
The invention relates to the use of new lubricants for the in-situ formation of diamond-like carbon (DLC) layers. The invention particularly relates to a lubricant in the form of an oil or grease on the basis hydrocarbons, which contains...
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WO/2019/092492A1 |
Provided is a lubricating oil composition which can reduce friction even when the viscosity of the composition is reduced. Specifically provided is a lubricating oil composition comprising a lubricating base oil, (A) a cleaning agent con...
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WO/2019/005680A1 |
The invention provides a lubricating composition comprising an oil of lubricating viscosity and synergistic mixture of a functionalized ethylene-α-olefin copolymer, a poly(meth)acrylate block polymer having a substantially oil soluble b...
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WO/2018/107360A1 |
A lubricant composition with improved stability and tolerance for water hardness comprises a synthetic wax emulsion; an amine derivative; an emulsifier; and a sequestrant. The synthetic wax emulsion may include poly (ethyleneoxide) -base...
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WO/2018/096253A1 |
The invention concerns additive compositions obtained by mixing at least two thermoassociative and exchangeable compounds and at least one boronic ester compound that enables the association of these two copolymers to be controlled; a lu...
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WO/2018/096252A1 |
Compositions resulting from the mixing of at least one copolymer A1, resulting from the copolymerisation of at least one monomer functionalised by diol functions with at least one styrenic monomer, and at least one compound A2 comprising...
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WO/2018/074599A1 |
Provided are: a lubricant surface treatment agent capable of increasing the foreign substance-removing effect of a lubricant, and capable of improving lubrication properties in comparison to the prior art; a foreign substance-removing lu...
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WO/2017/060918A1 |
A method for preparing a nano suspension lubricant comprises providing substantially spherical nano particles of size ranging from about less than 50 nanometers to about 100 nanometers. The method further comprises mixing the nano partic...
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WO/2017/030204A1 |
A lubricating oil composition which includes: a lubricating oil base oil; (A) a first defoaming agent obtained by polymerizing (b) at least one type of defoaming agent monomer in (a) a polymerization solvent in the presence of (c) a poly...
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WO/2017/030202A1 |
A defoaming agent obtained by polymerization of at least one type of defoaming agent monomer (B) in a polymerization solvent (A), in the presence of a polymer (C) that can be dissolved in the polymerization solvent.
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WO/2016/157960A1 |
Provided is a transmission lubricating oil composition having excellent gear characteristics, clutch characteristics, cooling properties, and electrical insulation properties. The transmission lubricating oil composition has blended ther...
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WO/2016/088976A1 |
A low-friction sliding contact structure according to an embodiment of the present invention comprises: a first structure; a second structure which moves relative to the first structure by sliding contact therewith; a plurality of receiv...
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WO/2015/142482A1 |
A lubricant composition comprising (a) an oil of lubricating viscosity; (b) a (meth)-acrylate-containing polymer comprising a multiplicity of arms containing at least 20 carbon atoms, said arms being attached to a multivalent organic moi...
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WO/2015/129022A1 |
An engine oil composition characterized in containing (A) a star-shaped polymer having a weight-average molecular weight of 100,000-1,000,000, the star-shaped polymer having a star-shaped structure in which polymer chains branch from the...
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WO/2014/136643A1 |
A lubricant oil composition according to the present invention is characterized by being prepared by adding (A) a polymethacrylate having a mass average molecular weight of 30,000 to 600,000 inclusive and (B) an olefin copolymer having a...
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WO/2014/113692A2 |
A composition made by admixing a major amount of base oils of lubricating viscosity and minor amounts of additives. The additives can include a viscosity modifier, a dispersant, a friction modifier, an anti-oxidant, a suppressant, a tack...
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WO/2014/047017A1 |
A lubricant composition comprising an oil of lubricating viscosity having a kinematic viscosity at 100° C of less than 15 mm2/s; and an esterified copolymer with a backbone comprising units derived from (i) an α-olefin monomer of at le...
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WO/2014/031508A1 |
A lubricating composition includes (A) an esterified copolymer comprising units (A1) derived from a vinyl monomer and units (A2) derived from a carboxylic acid monomer, the vinyl monomer comprising a vinyl aliphatic monomer, the carboxyl...
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WO/2013/164449A1 |
The present invention concerns engine lubricant compositions comprising at least one base oil, at least one polymer viscosity index improver and at least one polyalkylene glycol, obtained by polymerisation or copolymerisation of alkylene...
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WO/2013/151911A1 |
The invention relates to a method of lubricating the bearings of solid fuel pulverizers, for example, coal pulverizers. The method involves supplying to the bearings a lubricating composition designed to have superior performance compare...
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WO/2013/070347A1 |
A functional fluid comprising a major amount of an oil of lubricating viscosity, and at least about 0.05 wt-% glycerol. A method of preparing a functional fluid comprising adding glycerol to a functional fluid, wherein the glycerol is no...
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WO/2012/058012A2 |
The present invention generally relates to a method for reducing intake valve deposits in a Direct Injection Spark Ignition engine, the method comprising operating the engine with a lubricating oil composition comprising: (a) a major amo...
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WO/2011/080970A1 |
Provided is a lubricating oil composition which includes at least one lubricating oil base oil selected from the group comprising mineral lubricating oil base oils and synthetic lubricating oil base oils and is obtained by mixing (a) a n...
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WO/2011/005741A1 |
The disclosed invention relates to a composition comprising an oil of lubricating viscosity, a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the polymer is optionally functionalized, and a star polymer. Use ...
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WO/2010/048137A1 |
Formation of high-aqueous content sludge may be reduced in a sump lubricated diesel engine lubricated with a lubricating oil formulation that contains at least 0.07 or 0.08 weight percent nitrogen derived from one or more nitrogen-contai...
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WO/2009/133292A1 |
The present invention relates to multipurpose lubricating fluids usable in different automotive vehicle parts, particularly in the engine, transmission, or hydraulic circuit, and relates to a lubricating composition containing at least o...
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WO/2009/125075A1 |
The present invention relates to multipurpose lubricant fluids that can be used in the various units of automotive vehicles, especially in the engine, the transmission or the hydraulic circuit and relates to a lubricating composition tha...
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WO/2009/064494A1 |
Haze formation in heavy Gas-to-Liquids (GTL) base stock is mitigated by the addition to said GTL base stock of one or more particular additives.
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WO2008050003B1 |
The invention pertains to multifunctional lubricating fluids for use in the different assemblies of automotive vehicles, mainly the engine, the transmission or a hydraulic circuit, and relates to a lubricant composition containing at lea...
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WO/2008/133853A1 |
A lubricating oil especially useful as a natural gas engine lubricating oil that has extended life as evidenced by reductions in viscosity increase, oxidation and nitration relative to current commercial and reference oils is provided. T...
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WO/2008/094807A2 |
The present invention relates to a lubricating composition containing (a) an ester-containing viscosity index improver; and (b) a polyoxyalkylene polyol. The invention further provides a method for lubricating a mechanical device with th...
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WO/2008/046862A1 |
In a lubricating oil composition, an efficient defoaming action must be exerted both against bubbles on the oil surface and against bubbles within the oil. To this end, the present invention provides a lubricating oil composition, compri...
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WO/2008/008041A1 |
A compound of the formula: (I) is provided, where R is selected from CF3, F, and H, and m is an integer from 1 to 22. The compound may be prepared by reacting a first reactant with a second reactant in a solution, where the first reactan...
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WO/2007/093446A1 |
Process for the preparation of viscosity index improver (V.I.I.) additives of lubricating oils which comprises a mixing treatment under high shear conditions of a composition comprising: (i) one or more EP(D)M polymers (ii) one or more p...
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WO/2007/084854A1 |
A lubricant oil composition having a synergistic oxidative stability is disclosed, the composition comprising at least one hindered phenolic antioxidant, at least one mono-boronated hindered phenolic antioxidant, at least one di-boronate...
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WO/2006/101609A1 |
The invention relates to lubricant compositions, and methods especially as lubricants for the transport of glass, aluminum, and PET containers. The lubricant compositions contain a phosphate ester, an amine salt, and a nonionic surfactant.
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