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JP6197124B2 |
Provided is a lubricating oil composition having excellent detergency and LSPI preventing performance, and specifically a lubricating oil composition including a base oil, a calcium detergent, and a magnesium detergent and/or a sodium de...
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JP6197123B2 |
Provided is a lubricating oil composition capable of revealing fuel consumption reducing properties due to a friction reducing effect within a short period of time while having excellent fuel consumption reducing properties, specifically...
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JP6186362B2 |
A lubricant composition for 4-stroke or 2-stroke marine engine includes at least one lubricant base oil for marine engine, at least one olefin copolymer, at least one hydrogenated styrene-isoprene copolymer, at least one glycerol ester a...
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JP6163435B2 |
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JP6125503B2 |
A lubricating oil composition comprising a lubricating base oil having a kinematic viscosity at 100°C of 1 to 10 mm 2 /s, and a poly(meth)acrylate viscosity index improver containing a structural unit represented by the formula (1) in a...
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JP6097296B2 |
A lubricating oil composition of the present invention for an internal combustion engine is prepared by blending (A) a perbasic calcium sulfonate and/or a perbasic calcium phenate having a TBN of 200 mgKOH/g or higher, (B) predetermined ...
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JP6088305B2 |
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JP5961098B2 |
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JP5952846B2 |
[Problem] To provide a lubricating oil composition capable of attaining high-level fuel efficiency, durability and piston detergency in internal-combustion engines. [Means for Resolution] The lubricating oil composition according to the ...
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JP5947745B2 |
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JP5945488B2 |
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JP5897030B2 |
The disclosed invention relates to lubricant compositions containing viscosity index improvers in the form of polymers comprising structural units derived from ethylene, propylene and butylenes.
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JP5840245B2 |
The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further r...
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JP5809582B2 |
The present invention provides a lubricating oil composition that is a lubricating oil composition with a 150° C. HTHS viscosity of less than 2.6 mPa·s and can be reduced sufficiently in the 40° C. kinematic viscosity, 100° C. kinema...
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JP5738054B2 |
A lubricating oil composition having a phosphorus content of up to 0.12 wt%, a sulfated ash content of up to 1.2 wt% comprising (a) a major amount of an oil of lubricating viscosity; (b) an alkali metal or alkaline earth metal alkyl sali...
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JP5658311B2 |
Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow ...
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JP5630924B2 |
A lubricant of (a) an oil of lubricating viscosity; (b) a block copolymer of (i) a hydrophobic first block of C1-30 alkyl (meth)acrylic units having an average total number of carbon atoms of at least 8; and (ii) a second block of (meth)...
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JP5517469B2 |
A trunk piston or cross-head diesel engine having a centrifuge system including a sealing medium is lubricated with a lubricant which, for the cross-head engine, is a system lubricant and which contains 0.04 to 5 mass %, expressed as act...
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JP5478032B2 |
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...
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JP5473344B2 |
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JP5465938B2 |
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JP5468297B2 |
To provide a lubricating oil composition for lubricating an internal combustion engine having a low sulfuric acid ash content, a low sulfur content, and a low phosphorus content, and being particularly suitable for lubricating a diesel e...
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JP5400303B2 |
The present invention provides a lubricating composition comprising a base oil and a poly (meth)acrylate with terminal hydroxyl groups, an amine-based and/or phenolic anti-oxidant and an alkaline earth metal salicylate.
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JP5374842B2 |
An internal-combustion engine lubricating oil composition has a P content of not greater than 0.09 mass %; a S content of not greater than 0.3 mass %; and a sulphated ash content of not greater than 1 mass %. It contains the following ad...
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JP5350802B2 |
A lubricant composition comprising an oil of lubricating viscosity, an amino-functionalized acrylic or methacrylic-containing polymer, comprising about 2 percent to about 8 by weight of an amine moiety bearing a tertiary amino group, att...
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JP5351091B2 |
Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow ...
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JP2013234337A |
To provide lubricants, methods of reducing exhaust emissions, methods of reducing fuel consumption, and methods of cleaning combustion chambers of internal combustion engines.A lubricant composition comprises a major amount of an oil of ...
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JP5301305B2 |
To provide a lubricant composition for a continuously variable transmission enhancing a coefficient of static friction in a wet friction material and an inter-metal friction coefficient between a belt and a pulley while suppressing shock...
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JP5301304B2 |
To provide a lubricant composition for a continuously variable transmission enhancing a coefficient of static friction in a wet friction material of a clutch and inter-metal friction coefficient between a belt and a pulley while suppress...
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JP5283297B2 |
Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.004 to 0.05 percent by mass in terms of boron, based on the tot...
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JP5230607B2 |
The invention provides a lubricating composition containing (a) 0.001 to 15 wt % of a polymer with (i) a weight average molecular weight of 50,000 to 1,000,000; and (ii) a shear stability index of 10 to 100; (b) an antiwear agent; (c) a ...
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JP5230606B2 |
The invention provides a lubricating composition containing (a) 0.001 wt % to 15 wt % of a polymer with radial or star architecture; (b) an overbased detergent; (c) a dispersant; and (d) an oil of lubricating viscosity. The invention fur...
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JP5230604B2 |
The invention provides a lubricating composition containing (a) 0.1 to 15 wt % of a polymer with (i) a weight average molecular weight of 100,000 to 500,000; and (ii) a shear stability index of 10 to 60; (b) a phosphorus-containing acid,...
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JP5225786B2 |
To provide a lubricating oil composition for lubricating an internal combustion engine, having a low sulfuric acid ash content, a low sulfur content and a low phosphorus content, and being especially suitable for lubricating a diesel eng...
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JP5202803B2 |
Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent...
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JP5203564B2 |
Lubricating oil compositions having a sulfated ash content of no more than 1.0 mass %, which contain a major amount of oil of lubricating viscosity, a minor amount of calcium salicylate detergent, an amount of a magnesium-based detergent...
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JP5185484B2 |
The use, in a minor amount, of a detergent composition comprising one or more metal detergents which comprises metal salts of organic acids, wherein the detergent composition comprises more than 50 mole %, based on the moles of the metal...
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JP5172070B2 |
A multigrade crankcase lubricating oil composition comprising a mineral oil-based basestock of lubricating viscosity in a major amount and a non-hydrogenated olefin polymer in a minor amount. The lubricating oil composition also comprise...
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JP5160721B2 |
Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow ...
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JP2013014778A |
To provide a lubricating oil composition that is suitable for lubrication of internal combustion engines and has retainability of an advantageous TBN (total base number).A lubricating oil composition for internal combustion engines havin...
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JP5094030B2 |
The present invention provides a low ash engine oil composition which, despite the low ash content, has engine detergency which enables the composition to pass severe detergency tests for diesel engine oils. The engine oil composition co...
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JP5079407B2 |
A lubricating oil composition for internal combustion engines comprising a base oil having and lubricating viscosity and additives composed of a) a salt of an alkali metal or alkaline earth metal and an alkylsalicylate and/or an alkylcar...
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JP5053839B2 |
Lubricating oil composition having a sulphur content of from 0.01 to 0.3 wt. %, a phosphorus content of from 0.01 to 0.1 wt. % and a sulphated ash content of from 0.1 to 1.2 wt. %, based on the total weight of the lubricating oil composi...
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JP4973971B2 |
There is provided a sliding member including a base body and a hard carbon coating formed on the base body to define a sliding surface for sliding contact with an opposing member under lubrication according to one embodiment of the prese...
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JP4921697B2 |
The present invention provides engine lubricants for low emission diesel engines featuring low levels of ash, sulfur and phosphorus. Specifically, this invention provides a low emission diesel lubricant comprising from about 0 wt. % to a...
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JP4878441B2 |
To provide a lubricating oil composition excellent in wearing resistance, sludge generation inhibition and water separation, suitable for hydraulic fluid used under high pressure and high temperature. The invention relates to the lubrica...
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JP4861380B2 |
Transmission oil composition for motor vehicles comprises mineral oils, and/or synthetic oils, wherein the composition also contains 0.1-15.0 wt.% of a phosphorous compound selected from: (A) zinc dithiophosphate containing hydrocarbon g...
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JP4805457B2 |
A di-block copolymer of poly(monovinyl aromatic hydrocarbon) and hydrogenated poly(conjugated diene) comprises poly(monovinyl aromatic hydrocarbon) in the molecular weight range 8,000 to 30,000 and has a poly(monovinyl aromatic hydrocarb...
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JP4805536B2 |
Transmission oil composition for motor vehicles comprises mineral oils, and/or synthetic oils, wherein the composition also contains 0.1-15.0 wt.% of a phosphorous compound selected from: (A) zinc dithiophosphate containing hydrocarbon g...
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JP2011208161A |
To provide a lubricant which can provide the antiwear protection and viscosity protection for transmissions without harming the components of the transmission.The lubricating composition includes: a major amount of an oil of lubricating ...
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