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| Number | Title | Issue Date |
| 8093190 | Lubricant antioxidant compositions containing a metal compound and a hindered amine An antioxidant lubricant composition has at least 50 wt % of a lubricating base oil and an oil-soluble metal compound providing between 1 and 2,000 parts per million of metal to the lubricant composition, the metal compound being c... | 01/10/2012 |
| 8080500 | Amine tungstates and lubricant compositions This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound an... | 12/20/2011 |
| 8067346 | Tetraoxy-silane lubricating oil compositions Disclosed are lubricating oil compositions comprising a major amount of an oil of lubricating viscosity and a tetra-functional hydrolyzable silane compound of the general formula Si—X4 or hydrolysis product thereof, wherein X is independently selected f... | 11/29/2011 |
| 8030256 | Amine tungstates and lubricant compositions This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound an... | 10/04/2011 |
| 8017565 | Lubrication Intake valve deposits in a direct injection internal combustion engine are reduced by lubricating the engine with a lubricant that is substantially free of ashless organic friction modifiers and whose base oil has a Noack volatility of less than 12 mass %. ... | 09/13/2011 |
| 7897550 | Urea grease composition for constant velocity joints Urea grease composition for constant velocity joints is provided containing base oil, one or more urea thickener compounds, (A) one or more molybdenum sulphurized dialkyldithiocarbamates represented by general formula (I) ... | 03/01/2011 |
| 7879777 | Antioxidant additive for lubricant compositions, comprising organotungstate, diarylamine and organomolybdenum compounds A lubricating oil composition contains a major portion of a lubricating base oil and an antioxidant additive at about 0.1-5.0 mass percent, the additive including: a secondary diarylamine, an organo molybdenum comp... | 02/01/2011 |
| 7875579 | Lubricant antioxidant compositions containing a metal compound and a hindered amine An antioxidant lubricant composition has at least 50 wt % of a lubricating base oil and an oil-soluble metal compound providing between 1 and 2,000 parts per million of metal to the lubricant composition, the metal compound being c... | 01/25/2011 |
| 7820602 | Amine tungstates and lubricant compositions This invention relates to lubricating oil additives, and to lubricating oil compositions, their method of preparation, and use. More specifically, this invention relates to several novel lubricating oil additives and compositions which contain a tungsten compound an... | 10/26/2010 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7309680 | Molybdenum-sulfur additives A process for making an additive comprising one or more oil-soluble or oil-dispersible molybdenum-sulfur compounds, said process comprising the steps of: (I) reacting in a polar medium a reactant molybdenum compound (A) and a sourc... | 12/18/2007 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7268102 | Glyceryl ethers as preservatives for cooling lubricants Cooling lubricant (concentrate or solution) comprising a cooling lubricant base based on mineral and/or synthetic oil and preservative comprising (a) one or more 1- or 2-(C3 to C24 alkyl) glyceryl ethers. ... | 09/11/2007 |
| 7265080 | Rolling bearing, rolling bearing for fuel cell, compressor for fuel cell system and fuel cell system The rolling bearing of the invention to be incorporated in the compressor for fuel cell system comprises a fluorine-based grease containing a fluororesin and a fluorine-based oil, a urea grease containing a urea compound and a synthetic oil or a lithium complex grea... | 09/04/2007 |
| 7199088 | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A metho... | 04/03/2007 |
| 7183241 | Long life lubricating oil composition with very low phosphorus content A lubricating oil with very low phosphorus content, and having long life as evidenced by a reduction in viscosity increase, oxidation and nitration, comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of neutral and overba... | 02/27/2007 |
| 7179017 | Low-viscosity, silicone-modified penetrating asphalt sealer to eliminate water associated problems in asphalt pavements A solvent-based solution including methods of making and using for treating and protecting for heavy traffic asphalt pavement, particularly against water-associated problems, such as repeated freeze/thaw cycles, and damage caused by exposure to UV light. The mechani... | 02/20/2007 |
| 7176167 | Vibration resistant bearing According to the invention, a self contained vibration resistant bearing is provided. The bearing is coated with a film formed from a rust preventive oil having an extreme-pressure additive content of 0.5 to 10% by weight. Desirably the extreme-pressure additive is ... | 02/13/2007 |
| 7166562 | Long life gas engine oil and additive system A gas engine oil of enhanced life as evidenced by a reduction in viscosity increase, oxidation, nitration. TAN increase, and TBN depletion comprises a major amount of a base oil of lubricating viscosity and at minor amount of a phenolic anti oxidant and a viscosity ... | 01/23/2007 |
| 7148186 | Lubricant oil composition for diesel engines (LAW964) The present invention provides a lubricant oil composition, having enhanced wear-preventive characteristics for a diesel engine operating with large quantities of soot in the oil (soot content: 0.2 to 4.0 wt. %), and is especially suitable for a pressure-accumulatin... | 12/12/2006 |
| 7146956 | Valve train for internal combustion engine A valve train for an internal combustion engine is comprised of a lubricating oil, and a camshaft which is made of an iron-based material and comprises a cam lobe and a camshaft journal. The camshaft slidingly moves on a counterpart thereof through the lubricating o... | 12/12/2006 |
| 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 |
| 7112558 | Lubricant composition containing phosphorous, molybdenum, and hydroxy-substituted dithiocarbamates The invention relates to a lubricating composition comprising a base oil of lubricating viscosity, a hydroxy-substituted dithiocarbamate, an organo-molybdenum compound, and optionally a phosphorous source. ... | 09/26/2006 |
| 7105472 | Coating solution for metals and metal alloys The present invention relates to a coating solution to be applied on the surface of metals or metal alloys, a process for cold forming of metals and metal alloys using said coating solution, and a coated blank made of a metal or a metal alloy. ... | 09/12/2006 |
| 7067463 | Pivot assembly bearing A pivot assembly bearing used in an information storage device maintains its capabilities for a longer period of time under frequent quick starting and stopping by containing a grease composition made up of a base oil, a thickener and an extreme-pressure agent. ... | 06/27/2006 |
| 7053027 | Lubricating oil compositions A trunk piston marine diesel engine lubricating oil composition is dispersant-free, has a TBN of 25 or greater, and comprises (A) an oil of lubricating viscosity, (B) an aromatic carboxylate as the sole overbased metal detergent, and ... | 05/30/2006 |
| 7026273 | Lubricating oil compositions A crankcase lubricating oil composition comprises an oil of lubricating viscosity, in a major amount, and, in respective minor amounts, a boron-containing additive and one or more co-additives, wherein the lubricating oil composition has greater than 200 ppm by mass... | 04/11/2006 |
| 7022653 | Friction modifiers for engine oil composition A lubricating oil composition which exhibits improved fuel economy and fuel economy retention which contains a mono-, di- or triester of a tertiary hydroxyl amine and a fatty acid as a friction modifying fuel economy additive. ... | 04/04/2006 |
| RE38929 | Lubricant containing molybdenum compound and secondary diarylamine There is disclosed a lubricating oil composition which contains from about 100 to 450 parts per million of molybdenum from a molybdenum compound which is substantially free of active sulfur and about 750 to 5,000 parts per million of a secondary diarylamine. This co... | 01/03/2006 |
| 6967189 | Buffered lubricant for conveyor system A method of lubricating a moving surface is herein described wherein the lubricant composition contains a fatty acid, a neutralization agent, a pH buffer, and a carrier. Also described are compositions in both concentrate and dilute form. The compositions may also c... | 11/22/2005 |
| 6962896 | Reduced color molybdenum-containing composition and a method of making same Antioxidant additives for lubricating oils are prepared by reacting an acidic molybdenum compound or salt thereof and a basic nitrogen compound where the temperature of the process does not exceed 120° C., resulting in a product color that is light in intensity. | 11/08/2005 |
| 6953771 | Lubricant compositions A lubricating oil composition comprising, or made by mixing, a major amount of an oil of lubricating viscosity and a minor amount of at least one compound comprising a polynuclear molybdenum core having bonded thereto one or more monoanionic ligands capable of rende... | 10/11/2005 |
| 6952324 | Hydrodynamic fluid bearing containing lubricants with reduced temperature sensitivity for disk drive application A disc drive storage system including a housing having a central axis, a stationary member that is fixed with respect to the housing and coaxial with the central axis, and a rotatable member that is rotatable about the central axis with respect to the stationary mem... | 10/04/2005 |
| 6919301 | Grease composition and rolling apparatus A grease composition with a thickener of a calcium sulfonate complex and a second thickener component in a base oil. The second thickener component may be, for instance, polyurea, a metallic soap, a complex metallic soap or an N-substituted terephthalamic acid metal... | 07/19/2005 |
| 6890890 | Lubricants with the combination of a molybdenum compound, a phosphorus compounds and dispersants This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) an antiwear improving amount of at least one molybdenum containing composition, (B) at least one phosphorus antiwear or extreme pressure agent, and ... | 05/10/2005 |
| 6855675 | Lubricating oil composition A lubricating oil composition that has excellent antiwear properties and is especially useful for internal combustion engine comprises a lubricating base oil and contains the following components: sulfoxymolybdenum dithiocarbamate, zinc dialkyldithiophosphate and a ... | 02/15/2005 |
| 6777378 | Molybdenum, sulfur and boron containing lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil; (B) a molybdenum and sulfur containing composition derived from a basic nitrogen containing compound, a molybdenum compound and carbon disulfide; (C) a boron-co... | 08/17/2004 |
| 6743757 | Dispersants and lubricating oil compositions containing same A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to less than about 1.7 mono- or di-carboxylic acid producing moieties p... | 06/01/2004 |
| 6734150 | Lubricating oil compositions This invention relates to a lubricating oil composition comprising a base stock and an antioxidant comprising an oil soluble trinuclear organomolybdenum compound of the generic formula: Mo3Sx—(Q) (1) wherein x is from 4 to 10 and Q is a core ... | 05/11/2004 |
