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JP4873586B2 |
Continuously variable transmission can be lubricated by supplying to them a composition of (a) an oil of lubricating viscosity; (b) a dispersant; and (c) a detergent. At least one of the dispersant (b) and the detergent (c) is a borated ...
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JP4867103B2 |
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JP4863634B2 |
To provide a lubricating oil composition attaining a well-balanced combination of all of the wearing resistance and sludge generation inhibition and frictional properties on a high level, capable of improving hydraulic systems and inhibi...
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JP2011236444A |
To provide compositions with cleanliness properties.A lubricating composition contains: (a) at least 3 wt.% of an overbased sulphonate detergent with a metal ratio of 12.5:1 to 40:1; (b) at least 1.5 wt.% of a sulphur-containing phenate ...
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JP2011231339A |
To provide an additive for lubricants, which is useful for improving BN retention, corrosion performance, bulk oxidation, high temperature deposit control, black sludge control, thermal stability, and other properties of a lubricant.The ...
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JP4804349B2 |
Provided is a lubricating oil composition for manual transmissions which has anti-seizure properties for shift forks and can provide manual transmissions with excellent shifting characteristics though it has a low viscosity and can save ...
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JP4806528B2 |
The present invention provides a lubricating oil composition comprising a lube base oil comprising a mineral oil and/or a synthetic oil; (A) an alkenylsuccinimide or an alkylsuccinimide and/or a boron-containing derivative thereof in an ...
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JP2011214013A |
To provide a composition providing detergency and antiwear performance to an oil of lubricating viscosity often used in an engine oil and that is substantially free of a metal hydrocarbyl dithiophosphate.There is provided a composition c...
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JP4803740B2 |
A lubricating composition containing: (a). at least 3 weight percent of an overbased sulphonate detergent with a metal ratio of about 12.5:1 to about 40:1; (b). at least 1.5 weight percent of a sulphur containing phenate detergent with a...
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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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JP4787016B2 |
A lubricating oil composition comprising a base oil of lubricating viscosity having a kinematic viscosity of 22 to 300 mm 2 /s at 40°C and dissolved or dispersed therein the following additives in the following amounts based on a total ...
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JP4778200B2 |
Disclosed are methods and lubricant compositions for reducing wear in heavy-duty diesel engines. The lubricant compositions disclosed herein comprise a combination of an anti-wear effective amount of a dispersed, hydrated alkali metal bo...
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JP4774151B2 |
This invention relates to a lubricating composition comprising a blend of a major amount of an oil of lubricating viscosity, gear or transmission oil package and a top treatment which comprises at least one saturated fatty phosphate este...
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JP4768234B2 |
A lubricant composition having a 40°C dynamic viscosity of 40 mm 2 /s or less that has wear resistance equal to or better than a lubricant having a 40°C dynamic viscosity of 76 mm 2 /s is achieved by providing a base oil with a zinc di...
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JP2011149032A |
To provide compositions with detergency properties, and compositions decreasing cylinder wear and reducing deposits.The composition comprises: (a) at least 3 wt.% of an overbased sulphonate detergent with a metal ratio of about 12.5:1 to...
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JP4722385B2 |
A modified lubricating oil detergent that is a reaction product of an oil soluble detergent comprising an alkali- or alkaline earth metal hydrocarbyl phenate, carboxylate or sulfonate and an alpha , beta -unsaturated carbonyl compound; a...
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JP4722913B2 |
Disclosed herein is a composition comprising: A) a lubricant; and B) a mixture of antioxidants, wherein said mixture is prepared by the partial condensation of an alkylated diphenylamine with an aldehyde or ketone in the presence of an a...
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JP4691233B2 |
To provide a lubricating oil composition for continuously variable transmission which ensures both a high coefficient of friction between metals required for a push belt-type CTV oil and an excellent wear preventing property relative to ...
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JP4686475B2 |
An additive mixture for lubricant oils includes an overbased alkaline earth metal sulfonate, and at least one friction modifier selected from the group consisting of an overbased alkaline earth carboxylate, the reaction product of an alk...
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JP4681800B2 |
An engine oil having a base oil and a friction reducing amount of an oil soluble sulfurized or unsulfurized oxymolybdenum complex prepared from reacting, in the presence of a polar promoter, an acidic molybdenum compound and a basic nitr...
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JP4677359B2 |
There is provided an automatic transmission fluid composition comprising a major amount of a base oil; one or more friction modifiers, wherein total nitrogen content provided by the one or more friction modifiers is greater than or equal...
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JP4675478B2 |
Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one othe...
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JP4675479B2 |
Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surf...
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JP4663843B2 |
Lubricant compositions comprises a lubricant base oil blended with a boron-containing ashless dispersant (A) in an amount of 0.035 or more percent of boron by mass, and an alkaline earth metal sulfonate having a total base number of 50 t...
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JP4658320B2 |
Provided are novel succinimide compounds obtained by reacting a polyamine having a carbon/nitrogen weight ratio of from 0.85 to 1.25 with a succinic acid compound in a molar ratio to the polyamine of up to 1.40; a process for producing t...
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JP4641567B2 |
Lubricating compositions are described which contain organomolybdenum compounds and sulfur compounds (donors). The copper corrosion of said compositions is reduced by reacting the sulfur donors with plant oils to reduce sulfur activity a...
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JP4634585B2 |
A grease composition having a base oil and a thickener, which grease additionally has from 0.05% to 30% by weight of sodium thiosulphate and at least 0.1% by weight of one or more additives selected from the group of: calcium salicylate,...
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JP4630550B2 |
Methods, a lubricant composition, and a fuel composition for lubricating a two-stroke internal combustion engine include a lubricant composition that contains (A) an oil of lubricating viscosity, (B) an additive composition, and (C) a no...
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JP2010261045A |
To provide a lubricating oil composition that enhances lubricating performances in a diesel engine equipped with an exhausted gas recirculation (EGR) apparatus.The lubricating oil composition includes less than about 0.3 mass% of sulfur ...
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JP2010261046A |
To provide a lubricating oil composition that enhances lubricating performance in a diesel engine equipped with an exhausted gas recirculation (EGR) apparatus.The lubricating oil composition includes a large amount of an oil having a lub...
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JP4578115B2 |
Low sulfur lubricating oil compositions are provided which are extremely excellent in anti-wear properties for the valve train system of an internal combustion engine and are also excellent in long-drain properties, and thus is suitable ...
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JP2010248529A |
To provide a lubricating oil composition capable of enhancing lubrication performance in a diesel engine equipped with an exhaust gas recycling (EGR) unit.This lubricating oil composition has a sulfur content of less than about 0.3 mass%...
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JP4568004B2 |
A method for producing a mechanical part comprising sizing a sintered metal unit with application of a lubricating oil composition containing (A) a lubricating base oil having a kinematic viscosity of 0.5 to 150 mm2/s at 40° C., and com...
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JP4560174B2 |
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JP4542318B2 |
Disclosed is a method for reducing wear and metal fatigue during high temperature operation of a gear set, which method comprises operating the gear set with a dispersed hydrated sodium borate composition.
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JP4546093B2 |
In a method operating an internal combustion engine, a nitrogen-containing detergent composition is introduced into a combustion chamber of the engine wherein the detergent composition can improve the performance of both a fuel compositi...
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JP2010196071A |
To improve both performances of a fuel composition and a lubricating oil of an internal combustion engine based on present and future performance requirements and exhaust gas requirements of the internal combustion engine.In a method for...
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JP2010196076A |
To provide lubricating compositions containing a combination of additives providing improved friction and heat stability.This invention relates to a lubricating composition comprising the lubricating composition of a blend, a main amount...
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JP2010195486A |
To provide a substituent apparatus of a comparatively low cost in order to discharge a chemical additive into a fluid system at a fixed speed which requires minimum human intervention.The apparatus for discharging the chemical additive 7...
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JP4532268B2 |
Disclosed are lubricating oil additives obtained by dissolving or reacting (A) a metal salt of a specific phosphorus compound which is insoluble or less soluble in lubricating oils in or with (B) an amine compound so as to be solved in t...
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JP4526386B2 |
A fluid composition of (a) a friction modifier derived from the reaction of a carboxylic acid or a reactive equivalent thereof with an aminoalcohol, the friction modifier containing at least two hydrocarbyl groups; and (b) a dispersant o...
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JP4520756B2 |
The grease composition for constant velocity joints of the invention is characterized by comprising a lubricating base oil, a thickener, carbon black with a mean particle size of not greater than 500 nm, and an organic molybdenum compoun...
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JP4522581B2 |
A number of spray bodies (1) are provided and the ratio of road surface in square meters to the number of spray positions where the spray bodies are located is in the range of 15 to 40. Connected to the pump is a ring conduit (4), from w...
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JP4523678B2 |
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JP4515797B2 |
The invention provides lubricant compositions for diesel engines having a regenerative DPF, which prolong life of the DPF by inhibiting accumulation of components depositable on DPF inner walls, diesel engine systems having a regenerativ...
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JP2010159626A |
To provide a method and a device for dispensing a deicing liquid at a fixed position. A large number of spraying spots are provided on a roadway surface for spraying the deicing agent on a traffic road surface. Since these spraying spots...
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JP2010159429A |
To develop a new friction modifier thereby obtaining a high static friction factor especially during automatic transmission and maintaining permanent positive inclination during oxidative and mechanical stress of a friction system. A flu...
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JP2010155999A |
To provide use of a specific detergent composition in a lubricating oil composition for decreasing abrasion in an engine. There is provided use, in a minor amount, of a detergent composition and in an lubricant oil composition for decrea...
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JP4494726B2 |
A composition having functions as a rust inhibitor and a press working oil in combination, which comprises (A) a base oil for a lubricating oil, (B) 1 to 10 mass % of a fatty acid ester of a polyhydric alcohol, (C) 0.2 to 10 mass % in te...
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JP4477819B2 |
Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate, a polyalkylene succinic dispersant selected from a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives th...
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