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Patent Searching and Data


Matches 501 - 550 out of 4,379

Document Document Title
WO/2009/075131A1
A lubricant composition for chains which, when adhered to sliding surfaces of a chain, has both adequate resistance to the centrifugal force applied to the chain and flowability, and which is inhibited from flowing out and shows satisfac...  
WO/2009/075259A1
Disclosed is a lubricant composition characterized by containing 0.01-5% by mass of a compound (B) represented by the general formula (1) below in a lubricant (A) having a phosphorus content of 50-1500 ppm by mass. [chemical formula 1] (...  
WO/2009/066722A1
A lubricating oil composition for refrigerating machines which comprises a lube base oil and an organic compound having one or more double bonds in the molecule, such as an α-olefin or conjugated diene, incorporated as an additive in th...  
WO/2009/066518A1
A useful electric insulating oil which retains satisfactory oxidative stability and further has such excellent electrical properties that it can maintain a low degree of electrification over long and which excels in practical performance...  
WO/2009/022629A1
[PROBLEMS] To provide: a surface-treating agent for preparing a thin film having an excellent lubricating property, excellent workability and an excellent anti-rust property on the surface of a processed material, a sliding member or the...  
WO/2009/008327A1
Disclosed is a lubricating oil composition for a buffer, which comprises: a base oil comprising a mineral oil and/or a synthetic oil; (A) 0.3 to 2 mass% of a zinc dialkyldithiophosphate having 7 to 12 carbon atoms in an alkyl group there...  
WO/2008/152942A1
Disclosed is a refrigerator oil composition containing a base oil and a polyalkylene glycol (PAG) block copolymer. This refrigerator oil composition is characterized in that the PAG block copolymer is represented by the following formula...  
WO/2008/146837A1
A bearing prelubricated with a foamed solid lubricant which holds a lubricating oil and has excellent lubricity. The bearing has a long life, can be operated even at high rotation speeds, and is free from lubricant leakage. It can be pre...  
WO/2008/146804A1
A foamed solid lubricant which can be used even in places where an external stress such as a compressive or flexing stress is applied and use of a solid lubricant has been difficult; a universal joint; processes for producing the lubrica...  
WO/2008/136288A1
Disclosed are: a stabilizer for stabilizing a working medium comprising trifluoroiodomethane which is compressed in the presence of a lubricating oil in a compressor; a working medium composition containing the stabilizer; and a heat exc...  
WO/2008/123201A1
Disclosed is an oil-based lubricant characterized by having a flash point within the range of 70-170˚C and a kinematic viscosity at 40˚C of 4-40 mm2/s. This oil-based lubricant is also characterized by containing no water and no emulsi...  
WO/2008/123227A1
Disclosed is a lubricating oil composition which comprises a lubricant base oil comprising a mineral-oil-type base oil and/or a synthetic base oil, a metal salt (A) of a phosphorus-containing acid represented by the general formula (a) o...  
WO/2008/123249A1
Disclosed is an operating oil for a buffer, which comprises a lubricant base oil having an urea adduct vale (defined in the description) of 4 mass% or less and a viscosity index of 100 or greater. The operating oil can achieve all of vis...  
WO/2008/123245A1
Disclosed is an operating oil composition for a buffer, which comprises a lubricant base oil and a viscosity index improver. The lubricant base oil contains saturated contents in an amount of 90 mass% or more, wherein cyclic saturated co...  
WO/2008/123226A1
Disclosed is a lubricating oil composition which comprises a lubricant base oil comprising a mineral-oil-type base oil and/or a synthetic base oil, a metal salt (A) of a phosphorus-containing acid represented by the general formula (a) o...  
WO/2008/123246A1
Disclosed is a lubricant base oil which has an urea adduct value of 4 mass% or less and a viscosity index of 100 or more. Also disclosed is a method for producing a lubricant base oil, which comprises the step of subjecting a raw oil con...  
WO/2008/111341A1
A lubricating oil composition for continuously variable transmissions, prepared by compounding a lube base oil both with overbased calcium sulfonates different in base number under such conditions as to give a total base number of 280 to...  
WO/2008/108263A1
A screw joint for steel pipe of pin/box type having contact surfaces (30) including a threaded part and an unthreaded metal contact part is improved with respect to the leakage resistance, galling resistance and corrosion resistance, esp...  
WO/2008/108489A1
Disclosed is a grease composition containing a large amount of a thickening agent, which enables to efficiently prevent separation for a long time, while exhibiting excellent influx property. Also disclosed is a machine member having suc...  
WO/2008/102114A1
A liquid lubricant base oil composition comprising (i) a base stock comprising at least 95 % by weight saturated hydrocarbons such as for example a Group II base stock, a Group III base stock and/or a base stock derived from Fischer-Trop...  
WO/2008/092207A1
A process for producing alkyl fatty acid esters suitable for use as a fuel and/or lubricant. The process includes treating a feedstock containing glycerides and/or free fatty acids with a lipase, a lower alkyl alcohol and an acid catalys...  
WO/2008/079738A1
A lubricant, comprising a light base oil fraction having a wt% Noack volatility between 0 and 100 and additionally less than a Noack Volatility Factor (NVF), wherein the Noack Volatility Factor is defined by the equation: 900 x (Kinemati...  
WO/2008/072740A1
An additive for oils which contains an ester represented by the formula (I). The additive is used in oils such as a lube base oil to impart friction-reducing properties and wear-reducing properties to the oils. R1 and R2 each is hydrocar...  
WO/2008/059759A1
This invention provides a method for quenching a steel product such as a high-strength boron steel, which method can prevent the formation of a slack hardened structure of a steel product surface layer after quenching to provide an even ...  
WO/2008/057250A2
Formulated lubricating oils meeting OW and 5 W low temperature CCS and MRV performance specification and exhibiting a Noack volatility of about 15 wt% or less are prepared from a mixture of base stocks/base oils of similar kinematic visc...  
WO/2008/050834A1
Disclosed is a grease composition having excellent antirust property. Also disclosed is a bearing using such a grease composition. Specifically disclosed is a grease composition containing a base oil, a diurea thickening agent represente...  
WO/2008/048495A2
A hydrogenation process for producing high monoene compositions is disclosed. In particular, a catalyst comprising basic copper carbonate is used for the selective hydrogenation of oils that contain unsaturated fatty acyl components such...  
WO/2008/047550A1
A lubricating oil composition comprising a base oil for a lubricating oil and the following components (A) to (D) contained in the base oil: (A) a fatty acid partial ester compound; (B) (b1) an aliphatic amine compound and/or (b2) an aci...  
WO/2008/044799A1
A tubular threaded joint for connecting tubing or casing used to excavate oil wells have a lubricating coating formed from a lubricating coating composition comprising one or more basic lubricants selected from a basic sulfonate salt, a ...  
WO/2008/030402A2
A method for obtaining heavy oil is disclosed. The method includes mixing a material including heavy oil (e.g., oil sand) with a solvent including biodiesel to form a mixture and separating the mixture into a oil-enriched solvent phase a...  
WO/2008/026385A1
A lubricating oil composition for a compression refrigerator, which comprises the following components (1) to (6) each having a molecular weight of 150 to 5000 and a tertiary or quaternary carbon: (1) an alicyclic hydrocarbon; (2) a bran...  
WO2007118165B1
Gear lubricant with a low Brookfield Ratio, comprising: a base oil having sequential carbon atoms, low aromatics, greater than 20 wt% molecules with cycloparaffins and a high ratio of monocycloparaffins to multicycloparaffins; less than ...  
WO/2008/016038A1
Disclosed is a lubricant composition containing a lubricant base oil and 0.5-10% by mass of an ethylene/α-olefin copolymer (A) having a number average molecular weight of 2,800-8,000. A lubricant base oil having a kinematic viscosity at...  
WO/2008/004548A1
Disclosed are a refrigerator oil, a compressor oil composition, a hydraulic fluid composition, a metalworking fluid composition, a heat treatment oil composition, a lubricant composition for machine tools and a lubricant composition, eac...  
WO/2008/001933A1
An oil composition for use in metal working with minimal quantity lubrication which comprises: a base oil selected from the group consisting of natural fats, derivatives thereof, and synthetic ester oils; a sorbitan fatty acid ester; and...  
WO/2007/126953A2
The present invention is directed to a method for controlling soot induced viscosity increase in diesel engines, by using as the diesel engine lubricant an oil formulation comprising a base oil containing about 10 to 80 wt% GTL base stoc...  
WO/2007/119299A1
A low-ash engine oil composition which, despite the low ash content, has engine-cleaning performance which enables the composition to pass a severe detergency test for diesel engine oils. It further has excellent mileage-saving performan...  
WO/2007/116759A1
Disclosed is a viscosity index improver which is excellent in shear stability, viscosity index improvability and low-temperature viscosity characteristics. Also disclosed are a lubricant composition containing such a viscosity index impr...  
WO/2007/114505A1
Disclosed is a polyfunctional hydrocarbon oil composition containing a hydrocarbon oil which has a density at 15˚C of 0.7-0.8 g/cm3, while having an n-paraffin content of 10-90% by mass, an aromatic content of 0-3% by volume and a napht...  
WO/2007/114132A1
A lube base oil characterized by having a saturated hydrocarbon content of 90% by mass or above, a content of cyclic saturated hydrocarbons in the whole saturated hydrocarbon of 40% by mass or below, a viscosity index of 110 or above, an...  
WO/2007/114135A1
A lubricant composition that excels in suppression of the hydrogen brittle flaking of member, such as a rolling bearing, slide bearing, gear, ball screw, linear guide, linear bearing, cam or any of various joints, placed in high-concentr...  
WO/2007/114260A1
A lubricating oil composition for internal combustion engines which comprises a base oil comprising a mineral oil and/or synthetic oil and, incorporated therein, polyisobutylene having a weight-average molecular weight of 500,000 or high...  
WO/2007/114136A1
An oil composition for metal working to be used in metal working with minimal quantity lubrication, which comprises both a base oil selected from the group consisting of natural oils and fats, derivatives thereof, and synthetic ester oil...  
WO/2007/105769A1
A lube base oil satisfying at least one of the following requirements (a) and (b). A lubricating oil composition for internal combustion engines is provided which comprises the lube base oil, an ash-free antioxidant containing no sulfur ...  
WO/2007/105452A1
Disclosed is a refrigerating machine oil composition characterized by containing a mixed base oil having a kinematic viscosity at 40˚C of 0.11-8 mm2/s and composed of a low-viscosity base oil (A) having a kinematic viscosity at 40˚C of...  
WO/2007/083580A1
A surface-treated stainless-steel sheet with excellent corrosion resistance in a salt damage environment for automotive fuel tanks, characterized by comprising: a ferritic stainless-steel sheet base containing 10.0-25.0 mass% chromium an...  
WO/2007/077834A1
Disclosed is a metalworking lubricant containing a vinylidene compound having 12-64 carbon atoms which is obtained by oligomerizing an α-olefin having 4-20 carbon atoms by using a metallocene catalyst. This metalworking lubricant is exc...  
WO/2007/072832A1
A refrigerating-machine oil composition which is satisfactory in both of sludge-dispersing properties and the prevention of wear and seizing on sliding parts made of aluminum and/or iron of a compressor for refrigerating machines. The re...  
WO/2007/072733A1
Disclosed are: a refrigerator oil composition comprising at least one base oil selected from a mineral oil and a synthetic oil and an imide compound in an amount of 0.01 to 5% by mass relative to the total amount of the refrigerator oil ...  
WO/2007/070690A2
Lubricating base oils/base stocks comprising one or more hydrodewaxate and/or hydroisomerate base stock(s) and/or base oil(s), GTL base stock(s) and/or base oil(s) or mixture thereof, preferably GTL base stock(s) and/or base oil(s) of im...  

Matches 501 - 550 out of 4,379