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| Number | Title | Issue Date |
| 8153569 | Lubricant base oil Disclosed is lubricant base oil that is excellent in lubricity, sludge solubility, low viscosity, and low temperature characteristics and capable of realizing low volatility. The lubricant base oil contains as its main component a diester or triester synthesized fro... | 04/10/2012 |
| 7994107 | Lubricant additives Processes are described for producing liquid, biobased lubricant additives containing from 50 to 100% biobased carbon according to ASTM D6866 from heat-bodied oils by transesterification with biobased or petroleum based alcohols and by hydrogenation of at least the ... | 08/09/2011 |
| 7897551 | Lubricants for power transmission There is provided lubricants for power transmission which exhibit not only a high coefficient of traction but also a high flash point. The lubricants for power transmission according to the present invention contains an alicyclic alcohol carboxylic diester compound ... | 03/01/2011 |
| 7888298 | Lubricant compositions with improved properties A lubricant composition for providing friction reducing properties and VI and solvency improving properties in a lubricant system is disclosed. The lubricant composition comprises a major amount of at least one base oil and an effective amount of a high viscosity po... | 02/15/2011 |
| 7867959 | Synthesis of diester-based biolubricants from epoxides The present invention is generally directed to methods of making diester-based lubricant compositions, wherein formation of diester species proceeds via direct esterification of epoxide intermediates. In some embodiments, the methods for making such diester-based lu... | 01/11/2011 |
| 7262155 | High octane lubricants for knock mitigation in flame propagation engines This invention includes a lubricant composition comprising a base oil and one or more additives, wherein the composition has an elevated pressure auto ignition temperature of at least about 500 K. This invention also includes a lubricant composition comprising a bas... | 08/28/2007 |
| 7135441 | Lubricating grease composition and rolling apparatus A grease composition is disclosed, wherein a metallic soap-base thickener containing a long-fiber material having a major axis part length of at least 3 μm is blended with a base oil obtained by mixing a lubricating oil having a polar group within the molecule stru... | 11/14/2006 |
| 7045490 | Refrigerating machine oil composition A refrigerating machine oil composition according to the invention comprises an alicyclic polycarboxylic acid ester compound obtained from the following compounds (a) to (c): (a) an alicyclic polycarboxylic acid having an alicyclic... | 05/16/2006 |
| 7015178 | Lube base oil composition Disclosed is a lubricant base oil composition that comprises (a) from 80 to 98% by mass of a naphthenic synthetic lubricant base oil having a flash point of not lower than 140° C. and (b) from 2 to 20% by mass of an alcohol/fatty acid ester having a flash point of ... | 03/21/2006 |
| 7008909 | Alpha branched esters for use in metalworking fluids and metalworking fluids containing such esters Alpha branched esters for use in a metalworking fluid represented by the formula (I): wherein R1, R2, and R3 are each independently selected from a hydrocarbon group having one to thirty... | 03/07/2006 |
| 6989356 | Partially-fluorinated-alkyl compound, lubricant comprising the compound, and recording medium using the lubricant To provide a lubricant for recording medium, which is advantageous not only in that it maintains excellent lubricity under various conditions for use and excellent lubricating effect over a long time, but also in that it can impart excellent transport properties and... | 01/24/2006 |
| 6972275 | Oil-in-oil emulsion lubricants for enhanced lubrication Novel oil-in-oil emulsions and methods of lubrication using the same are provided. The lubricants are stable emulsions of carrier fluid and high viscosity fluid that display superior properties related to lubricating film thickness and reduced shear strength. ... | 12/06/2005 |
| 6933263 | Emulsified based lubricants The invention relates to a novel emulsified composition comprising (a) major amount of an aqueous phase, (b) a minor amount of an organic phase and (c) a minor but effective amount of at least one emulsifier to emulsify the aqueous and organic phase resulting in a w... | 08/23/2005 |
| 6903056 | Fluid bearing unit and lubricating oil composition for bearing There is provided a durable low-torque lubricating oil for bearings and fluid dynamic bearings, porous oil-impregnated bearings and hydrodynamic type porous oil-impregnated bearings suitable for use as bearings in small-sized spindle motors for information equipment... | 06/07/2005 |
| 6867171 | Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefini... | 03/15/2005 |
| 6846782 | Method of reducing intake valve deposits in a direct injection engine This invention relates to a method of reducing intake valve deposits in a direct injection engine, the method comprising lubricating the engine with a lubricating oil composition comprising a base oil mixture, the base oil mixture comprising (i) a Group III, a Group... | 01/25/2005 |
| 6828287 | Biodegradable two-cycle engine oil compositions and ester base stocks Lubricant compositions comprising biodegradable ester base stocks are provided for water-cooled or air-cooled two-cycle engines. ... | 12/07/2004 |
| 6815402 | Lubricating oil composition containing cyclic organophosphorus compound A lubricating oil composition which comprises at least one compound selected from specific cyclic organic phosphorus compounds is disclosed. The lubricating oil composition exhibits excellent extreme pressure property, seizure resistance and wear resistance a... | 11/09/2004 |
| 6797680 | Traction fluid with di-acid ester bridged dimer The present invention includes a traction fluid that includes a di-acid ester bridged dimer. Methods of using di-acid ester bridged dimers in traction fluids are also disclosed. ... | 09/28/2004 |
| 6794341 | Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition The peak-torque descending composition of the present invention contains a certain amount of an extreme pressure agent comprising at least neutral phosphate esters and/or neutral phosphite esters in a solvent comprising hydrocarbons and/or ethers. Further, a certain... | 09/21/2004 |
| 6794342 | Grease composition and rolling bearing lubricated by the grease composition In a grease composition which essentially comprises a base oil and a thickener, a mixture of a urea compound and lithium soap is blended as the thickener. The content of the urea compound in the thickener is preferably set to 20 to 80 wt %. As the urea compound, an ... | 09/21/2004 |
| 6774091 | Lubricant and additive formulation A lubricant additive formulation for increasing the performance of conventional engine lubricants for use as an engine treatment oil additive formulated for addition to conventional motor oil to improve the lubricating properties of the engine oil and enhance the pe... | 08/10/2004 |
| 6713438 | High performance engine oil High performance engine oils and other liquid lubricants comprise a liquid lubricant basestock of low viscosity from 1.5 to 12 cSt (100C) with two dissolved polymer components of differing molecular weights. The basestock is preferably a single PAO or blend of PAOs ... | 03/30/2004 |
| 6710021 | Non-staining, active metal-working fluid Non-staining, active metal-working compositions are disclosed. The compositions contain active sulfur to provide extreme pressure properties for metal-working fluids. A metal corrosion inhibitor is disclosed that reduces the corrosivity of free sulfur on non-ferrous... | 03/23/2004 |
| 6689726 | Crystal formation reduction in lubricating compositions Lubricating oil formulations comprising base oil, sulfur-phosphorous anti-wear/extreme pressure agent and hindered phenol antioxidant, which combination of extreme pressure agent and hindered phenol antioxidant produces crystals and containing antioxidant... | 02/10/2004 |
| 6664216 | Biodegradable two-cycle engine oil compositions and ester base stocks Lubricant compositions comprising biodegradable ester base stocks are provided for water-cooled or air-cooled two-cycle engines.... | 12/16/2003 |
| 6573224 | Two-cycle engine lubricant composition comprising an ester copolymer and a diester Improved performance of two-cycle and four-cycle engines is achieved by adding to the oil or fuel of such engines a composition that contains a copolymer of an alpha-olefin and a dialkyl fumarate or maleate and/or a synthetic diester compound that has abo... | 06/03/2003 |
| 6562767 | Process for producing a lubricant coated laquered wire used for forming the stator winding of an electrical refrigerating compressor A lubricant for wire, which is insulated by means of a lacquer coating, and which is used for forming the stator windings of an electrical refrigerating compressor, consists of one or more compounds of the formula CH3 --Xn --R, where... | 05/13/2003 |
| 6562766 | Metal working oil composition Provided is a metal working oil composition not containing a chlorine compound. Its working capabilities in low-speed cutting or heavy cutting operations such as broaching or gun-drilling operations are comparable to or better than those of chlorine compo... | 05/13/2003 |
| 6551968 | Biodegradable polyneopentyl polyol based synthetic ester blends and lubricants thereof A novel biodegradable polyneopentyl polyol (PNP) ester based synthetic ester basestock that includes a PNP ester admixed with a dicarboxylic acid ester coupling agent is provided. The PNP ester-coupling agent mixture is blended further with minor amounts ... | 04/22/2003 |
| 6465401 | Oils with heterogenous chain lengths Oils containing a triacylglycerol polyol ester and a non-glycerol polyol ester are described, as well as methods of making such oils. Methods for improving lubrication properties of a vegetable oil also are described.... | 10/15/2002 |
| 6458175 | Oil additives and compositions Compositions comprising a wax, a nucleator, and a wax growth arrestor improve the low temperature properties of fuel oils, especially high wax content fuels.... | 10/01/2002 |
| 6417143 | Rolling bearings and greases for the same Rolling bearings are proposed in which acoustic deterioration is suppressed which maintaining low dust, low torque and long life. Also, a grease for rolling bearings is proposed which is less likely to scatter under centrifugal force at high speed rotatio... | 07/09/2002 |
| 6376435 | Lubrication system for internal combustion engines (law952) A binary two phase engine oil composition having two substantially immiscible liquid phases exhibits improved fuel economy which is maintained over an extended period. The first liquid phase comprises a base oil, natural or synthetic. The second liquid ph... | 04/23/2002 |
| 6335310 | Conductive lubricant for fluid dynamic bearing There is provided is a conductive lubricant for a fluid dynamic bearing being able to ground static electricity occurring at the fluid dynamic bearing without impairing the performance of the fluid dynamic bearing. This conductive lubricant for a fluid dy... | 01/01/2002 |
| 6303227 | Lubricant composition magnetic recording medium, and process for producing magnetic recording medium A lubricant composition having excellent lubricity and comprising at least one compound selected among fluorine compounds each having a perfluoroalkyl or perfluoroether group and an alkyl or alkenyl group in the molecule and at least one compound selected... | 10/16/2001 |
| 6265361 | Bearing grease composition for motor A grease composition with which low torque property, low noise property and low volatilization property can be maintained, is provided. The grease composition is characterized in that it contains: (A) an alkali metal salts and/or an alkaline earth metal salt s... | 07/24/2001 |
| 6258762 | Bearing for high efficiency electric motor A bearing for high efficiency electric motor with which low torque property, low noise property and low volatilization property can be maintained, is provided. The bearing for electric motor is sealed with a grease composition comprising: (A) an alkali me... | 07/10/2001 |
| 6242393 | Traction drive fluid A traction drive fluid comprises a tractant selected from the specific types of hydrocarbons, carboxylates and carbonate, optionally an effective amount of a base oil selected from a mineral oil and a synthetic oil and additives selected from a viscosity ... | 06/05/2001 |
| 6172013 | Lubricating oil composition comprising trinuclear molybdenum compound and diester Lubricating oil compositions having enhanced friction coefficient and wear properties are provided by compositions of an oil of lubricating viscosity with additives of molybdenum and diesters of aliphatic or aromatic dicarboxylic acids.... | 01/09/2001 |
