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| Number | Title | Issue Date |
| 8183187 | Lubricant additive formulation containing multifunctional dispersant The present invention provides a lubricating composition comprising (a) an oil of lubricating viscosity; (b) a friction modifier; (c) a corrosion inhibitor; (d) an antiwear agent; and (e) a product prepared by heating together: (i) a dispersant; (ii) 2,5-dimercapto-... | 05/22/2012 |
| 8076274 | Lubricating oil composition A lubricating oil composition for a heavy duty diesel engine comprises a base oil, at least 0.6 mass % of an ash-free antioxidant and an overbased magnesium-containing detergent. The detergent provides greater than 0.05 mass % Mg based on the mass of the composition... | 12/13/2011 |
| 7902130 | Multifunctional dispersants The present invention provides a composition comprising the product prepared by hearing together: (a) a dispersant; and (b) a 1,3-dicarboxylic acid or 1,4-dicarboxylic acid of an aromatic compound, or a reactive equivalent thereof; and at least one of: (c) 2,5-dimer... | 03/08/2011 |
| 7833952 | Lubricant compositions A lubricant composition comprising a detergent and a base oil comprising more than about 1.6% by weight of tetracycloparaffins is disclosed. Methods of making and using the composition are also disclosed. ... | 11/16/2010 |
| 7648947 | Lubricating oil composition for internal combustion engine The present invention provides a lubricating oil composition for an internal combustion engine which is very good in base number retention property, detergency at high temperature and valve train anti-wear property and does not substantially contain phosphorus- and/... | 01/19/2010 |
| 7419940 | Borated-epoxidized polybutenes as low-ash anti-wear additives for lubricants An engine lubricant that is substantially free of zinc and phosphorous contains an antiwear additive comprising borated 1,2 epoxy mixed polybutenes having an average carbon number in the range of C20 to about C120. ... | 09/02/2008 |
| 7358217 | Quenching oil compositions Quenching oil compositions comprising (1) an oil having kinematic viscosity (ASTM Test Method D-445) at 40° C. ranging from about 4 to about 45 mm2sec−1 (about 40 to about 210 Saybolt Universal Seconds (SUS)) and having a saturated content from about 80% to about... | 04/15/2008 |
| 7347928 | Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by: (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obtained in a vac... | 03/25/2008 |
| 7309681 | Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph... | 12/18/2007 |
| 7294768 | Soybean variety 0384279 The invention relates to the soybean variety designated 0384279. Provided by the invention are the seeds, plants and derivatives of the soybean variety 0384279. Also provided by the invention are tissue cultures of the soybean variety 0384279 and the plants regenera... | 11/13/2007 |
| 7291581 | Borate ester lubricant additives Disclosed are borate and boronate compounds of the formulae where R1, R2 and R3 are independently hydrogen, straight or branched chain alkyl of 1 to 24 carbon atoms, strai... | 11/06/2007 |
| 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 |
| RE39648 | Crankcase lubricant for heavy duty diesel oil Thus, the instant invention is directed toward an oil for diesel engines comprising an admixture of (A) a major amount of an oil of lubricating viscosity, (B) at least 4 mass % dispersant, (C) at least 0.3 mass % of a metal phenate, (D) less than 0.1 mass % friction... | 05/22/2007 |
| 7214648 | Lubricant and additive formulation An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination... | 05/08/2007 |
| 7207308 | Filterless crankcase lubrication system for a vehicle A crankcase lubricating system and method for lubricating an engine of a motor vehicle. The crankcase lubricating system includes filterless lubricant circulation system, and a crankcase lubricant containing a fully formulated lubricating base oil meeting or exceedi... | 04/24/2007 |
| 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 |
| 7189682 | All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements A composition of the following components: an oil of lubricating viscosity; a polymethacrylate viscosity modifier; an ester of a maleic acid/styrene copolymer; and optionally, an additive package that imparts to the fluid the capacity to meet bench and dynamometer t... | 03/13/2007 |
| 7124728 | Modification of lubricant properties in an operating all loss lubricating system A marine diesel engine system includes a diesel engine having a plurality of cylinders. The system also includes, proximate the engine, a primary engine lubricant and an additive selected from certain alkylamine-alkylphosphates, 500 TBN calcium sulfonate and mixture... | 10/24/2006 |
| 7125827 | Lubricant composition having a fatty acid, a polyalkylene glycol polymer, and an anionic surfactant, wherein the lubricant is for a conveyor system A method of lubricating conveyor tracks or belts is herein described wherein the lubricant composition contains a polyalkylene glycol polymer, a fatty acid, and an anionic surfactant; also described is a lubricant composition with reduced sensitivity to low pHs. The... | 10/24/2006 |
| 7122508 | Methods and compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content borate-containing lubricating oil Disclosed are methods and lubricant compositions for reducing wear in internal combustion engines lubricated with a low phosphorous content lubricating oil. The lubricant compositions of this invention comprise a synergistic combination of a dispersed, hydrated, alk... | 10/17/2006 |
| 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 |
| 7101830 | Gas engine lubricating oil composition A gas engine lubricating oil composition having a boron content of more than 95 ppm, the gas engine lubricating oil composition comprising: a major amount of a lubricating oil having a viscosity index of 80 to 120, and including at least 90 mass percent of saturates... | 09/05/2006 |
| 7056871 | Lubricating oil composition which decreases copper corrosion and method of making same An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptot... | 06/06/2006 |
| 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 |
| 7040375 | Diecasting machine and plunger lubricating method A diecasting machine comprising a movable and a stationary die half which, when closed, define a die cavity. The diecasting machine further comprises a filling chamber for receiving liquid metal, plunger, a slidingly displaceable inside the filling chamber and mount... | 05/09/2006 |
| 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 |
| 7022639 | Catalytic activity accelerant used in petroleum hydrogenation The present invention provides a catalytic activity accelerant. The accelerant is added to stock oil for increasing the catalyst activity, the depth of catalytic hydrogenation and the yield of catalytic hydrogenation product, degrading the reaction conditions of cat... | 04/04/2006 |
| 7018958 | Lubricating oil compositions A lubricating oil composition having a total base number of at least about 8, comprising a major amount of oil of lubricating viscosity; an amount of one or more dihydrocarbyl dithiophosphate metal salt introducing into the lubricating oil composition no more than 0... | 03/28/2006 |
| 7001586 | CO-free hydrogen from decomposition of methane The generation of CO-free hydrogen from methane, with use of catalyst compositions represented by NixMgyO and NixMgyCuzO. ... | 02/21/2006 |
| 6962895 | Lubricating compositions This invention relates to a lubricating composition comprising at least about 30% by weight at least one mineral oil, having a kinematic viscosity of less than about 8 cSt at 100° C., (A) from about 15% to about 40% by weight of at least one polymer, and (B) up to ... | 11/08/2005 |
| 6887295 | Powder metallurgy lubricants, compositions, and methods for using the same The present invention relates to improved metallurgical powder compositions that incorporate solid lubricants, methods for preparing and using the same, and methods of making compacted parts. Ejection properties, such as stripping pressure and sliding pressure, of c... | 05/03/2005 |
| 6872693 | Mineral gear oils and transmission fluids This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the saturates are aliphatic, and gear oil or transmission fluid additives. I... | 03/29/2005 |
| 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 |
| 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 |
| 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 |
| 6706670 | Water soluble metal working fluids This invention relates to novel water soluble metal working fluid compositions, their use to work metal, a process for working metal using such compositions and the metal worked article of manufacture. More particularly, this invention relates to fluid compositions ... | 03/16/2004 |
| 6689723 | Sulfide- and polysulfide-containing lubricating oil additive compositions and lubricating compositions containing the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, at least one organic polysulfide comprising less than about 88% dihydrocarbyl trisulfide, from up to about 5% dihydrocarbyl disulfide, and mo... | 02/10/2004 |
| 6677281 | Synergistic combination of metallic and ashless rust inhibitors to yield improved rust protection and demulsibility in dispersant-containing lubricants A lubricant having improved rust protection and demulsibility has a specific balance of an ashless dispersant and a rust inhibitor additive combination comprising a metallic and ashless rust inhibitor.... | 01/13/2004 |
| 6605571 | Oleaginous concentrates Concentrates for lubricating oil compositions are prepared by blending at elevated temperature: (A) at least one high molecular weight ashless dispersant; and (B) at least one oil-soluble metal detergent; in the presence of (C) at least one metal salt of a dihydroc... | 08/12/2003 |
| 6605572 | Lubricating oil composition This invention relates to a lubricating oil composition, comprising: (A) a base oil and (B) a boron-containing compound represented by the formulae ##STR1## wherein in Formulae (B-I), (B-II) and (B-III), each R is independently an organic group and any tw... | 08/12/2003 |
