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| Number | Title | Issue Date |
| 7538251 | Synthesis of severely sterically hindered secondary aminoether alcohols from a ketene and/or carboxylic acid halide and/or carboxylic acid anhydride Severely sterically hindered secondary aminoether alcohols are prepared by a process comprising reacting a ketene with sulfuric acid to produce an anhydride which is then reacted with, to cleave the ring of, a dioxane to yield a cleavage product which is then aminat... | 05/26/2009 |
| 7399736 | Low viscosity, high abrasion resistance engine oil composition An engine oil composition that has lower viscosity then the lowest viscosity grade specified by the current standard (SAE (Society of Automotive Engineers) viscosity classification) and achieves excellent abrasion resistance under conditions of high temperature and ... | 07/15/2008 |
| 7253136 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/07/2007 |
| 7252690 | Fuel composition This invention is a fuel composition having a sulphur content of ≦50 ppm by weight and comprising ≧50 ppm by weight of at least one fused polycyclic aromatic compound which has at least one hetero-atom selected from O and N either (a) as a heterocyclic group, or... | 08/07/2007 |
| 7238214 | Fuel composition This invention relates to a diesel fuel composition having enhanced lubricity, said composition comprising a major amount of a diesel fuel as base fuel blended with a minor amount of a nitrogen rich fraction characterised in that the nitrogen rich fraction is derive... | 07/03/2007 |
| 7226489 | Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits Compositions and methods are disclosed for reducing combustion chamber deposits (CCD) and/or intake valve deposits (IVD) in spark ignition internal combustion engines. A succinic acid derivative (SAD) of this invention or a mixture with at least one additional compo... | 06/05/2007 |
| 7204863 | Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits Compositions and methods are disclosed for reducing combustion chamber deposits (CCD) and/or intake valve deposits (IVD) in spark ignition internal combustion engines. A butyrolactam alkoxylate (BLA) and/or a butyrolactam derivative (BLD) of this invention or a mixt... | 04/17/2007 |
| 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 |
| 7150785 | High performance asphalt using alkyl aromatic sulfonic acid asphaltene dispersants Disclosed is a high performance asphalt comprising a mixture of low to moderate performance asphalt with linear or branch chain alkyl substituted aromatic sulfonic acid. The high performance asphalt is made by mixing the low to moderate performance asphalt with 1 to... | 12/19/2006 |
| 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 |
| 6972084 | Fuel oil composition for diesel engine It is an object of the present invention to provide a fuel oil composition for diesel engines showing good CFPP and lubricity, efficiently controlling PM emissions and containing sulfur at 0.05 wt. % or less. The present invention provides a fuel oil composition for... | 12/06/2005 |
| 6878678 | Oil composition for automatic transmission To provide an oil composition for automatic transmission having high wet friction torque capacity and shudder preventing performance, and excellent also in durability of shudder preventing performance as an automatic transmission oil for lock-up clutch and slip cont... | 04/12/2005 |
| 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 |
| 6851414 | Method and system to extend lubricant life in internal combustion EGR systems A device and method to extend the useful lubricant life in a diesel engine equipped with an Exhaust Gas Recirculation (EGR) system consisting of placing a chemical filter in an area of relatively higher humidity either in the EGR stream or near the intake manifold. ... | 02/08/2005 |
| 6825154 | Crystal formation inhibition in lubricating compositions Lubricating oil formulations comprising base oil, sulfur-phosphorous anti-wear/extreme pressure agents and hindered phenol antioxidants which anti-wear/extreme-pressure agents and hindered phenolic antioxidants are prone to crystal formation wherein the base oil is ... | 11/30/2004 |
| 6750182 | Polar oil based industrial oils with enhanced sludge performance Ester based industrial oils containing acid scavengers exhibit improved sludge performance when a minor amount of hydrocarbon oil is included in the formulation. ... | 06/15/2004 |
| 6458176 | Diesel fuel composition This invention is a fuel composition for use in internal combustion engines comprising a major amount of a base fuel which contains no more than 10% by weight of olefins and no more than 10% by weight of esters, and greater than 5% by weight based on the ... | 10/01/2002 |
| 6447557 | Diesel fuel composition This invention relates to an ultra-low sulphur fuel composition comprising (A) a major amount of a base fuel having (a) no more than 50 ppm by weight of sulphur, (b) no more than 10% by weight of olefins and (c) no more than 10% by weight of an ester and ... | 09/10/2002 |
| 6447558 | Diesel fuel composition This invention is a method of reducing particulate matter emission from internal combustion engines which use a diesel fuel composition comprising a major amount of a diesel fuel having a base fuel which contains no more than 10% by weight of olefins and ... | 09/10/2002 |
| 6426322 | Functional fluid A functional fluid base oil is described comprising a mixture of (1) one or more naphthenic base stocks, and (2) one or more conventional solvent neutral base stocks and (3) one or more hydrocracked base stocks. The functional fluid base oil can be additi... | 07/30/2002 |
| 6391225 | Phosphate ester hydraulic fluids with improved properties (law935) A functional fluid that is particularly useful as an aircraft hydraulic fluid is provided. The fluid contains a major amount of an organo/phosphate ester base stock; based on the total weight of the fluid of from about 0.5 to 10 wt % of certain alkoxylate... | 05/21/2002 |
| 6383261 | Process for management of industrial wastes The present invention provides a process for the management of H2 S containing gas streams and high alkalinity water streams in which process the H2 S is selectively removed from the gas stream and combusted to form an SO2... | 05/07/2002 |
| 6384112 | Emulsified bituminous binder A bitumen emulsion comprising bituminous binder, emulsifier, and water. The bituminous binder comprises bitumen and an oxidised wax, and optionally one or more polymers. The incorporation of the oxidised wax into the bituminous binder provides modified bi... | 05/07/2002 |
| 6376432 | Low friction grease for constant velocity universal joints, particularly plunging type joints that is compatible with silicone elastomer boots A silicon elastomer compatible constant velocity joint grease comprises a urea grease composed of a lubricating oil and a urea thickener and an effective amount of a friction reducing additive package comprising vermiculite, molybdenum oxysulfide dithioca... | 04/23/2002 |
| 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 |
| 6355159 | Dissolution and stabilization of thermally converted bitumen A heavy hydrocarbon is rendered pipelineable by hydroconverting the heavy hydrocarbon under conditions sufficient to obtain a product oil of lowered viscosity and an API gravity suitable for pipelining and thereafter adding a diluent modified hydrocarbon ... | 03/12/2002 |
| 6319423 | Phosphate ester base stocks and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing a novel combination of phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 45 weight percent, based on the total weight of th... | 11/20/2001 |
| 6315920 | Electrical insulating oil with reduced gassing tendency An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te... | 11/13/2001 |
| 6303548 | Partly synthetic multigrade crankcase lubricant A base oil for an SAE 0W-40 lubricant composition comprises a mineral basestock, a polyalpha olefin and synthetic ester lubricant. The SAE 0W-40 lubricant comprises the base oil and a mixture of polymethacylate and olefin copolymer or hydrogenated diene V... | 10/16/2001 |
| 6300293 | Lubricant composition for metal working operations The lubricant composition comprises (a) a paraffinic base oil of defined viscosity and evaporation rate characteristics, (b) a polyhydric alcohol/aliphatic acid ester, and (c) an antiwear agent. The lubricant composition is especially suitable for use in ... | 10/09/2001 |
| 6289988 | Process for management of industrial wastes The present invention provides a process for the management of H2 S containing gas streams and high alkalinity water streams in which process the H2 S is selectively removed from the gas stream and combusted to form an SO2... | 09/18/2001 |
| 6277158 | Additive concentrate for fuel compositions An additive concentrate for use in fuels, especially in gasoline for internal combustion engines, comprising (a) 0.2 to 10 wt. % ashless friction modifier which is liquid at room temperature and pressure selected from (i) n-butylamine oleate or derivative... | 08/21/2001 |
| 6277269 | Producing pipelineable bitumen A bitumen is rendered pipelineable by partially hydroconverting the bitumen and then adding sufficient diluent to the partially hydroconverted bitumen to provide a mixture having an API gravity at 15° C. of at least 19° and a viscosity at 40° C. in the... | 08/21/2001 |
| 6271183 | Emulsifiable cutting oil that minimizes graphite paste formation when cutting graphite containing metals An emulsifiable oil composition for machining graphite containing metals comprises a major amount of an oil of lubricating viscosity; at least one surfactant in an amount sufficient to render the oil emulsifiable in water; and, from about 0.8 vol % to abo... | 08/07/2001 |
| 6255546 | Functional fluid with low Brookfield Viscosity A functional fluid of low Brookfield Viscosity comprising a mixture of hydrocracked base stocks, optionally a minor amount of solvent neutral base stock, and additives.... | 07/03/2001 |
| 6254799 | Phosphate ester base stocks comprising mixed n-butyl/isobutyl phosphate esters and aircraft hydraulic fluids comprising the same Disclosed are phosphate ester base fluids and aircraft hydraulic fluids containing mixed n-butyl/isobutyl phosphate ester components. The disclosed aircraft hydraulic fluids contain from about 30 to about 95 weight percent, based on the total weight of th... | 07/03/2001 |
| 6239082 | Petroleum quench oil Petroleum quench oils effective for high speed cooling of heated metals and metal hardening are disclosed. The petroleum quench oils contain natural or synthetic base oils having a minimum flash point of about 120° C. and a combination of poly(iso)alkyle... | 05/29/2001 |
| 6235687 | Method for producing lubrication oils possessing anti rust properties containing acidic anti rust additive and acid scavengers Lubricating oils exhibiting anti rust properties are obtained by adding to the lubricating oil an acidic anti rust additive and an acid scavenger such as carbodiimide, in a specific sequence.... | 05/22/2001 |
| 6232279 | Fuel-economy lubrication-effective engine oil composition Lubricant compositions suitable for use in automotive engines, especially internal combustion engines, the lubricant having a kinematic viscosity at 100° C. of less than 12.5 mm2 /s and a high temperature, high shear dynamic viscosity (i.e. at... | 05/15/2001 |
| 6215034 | Base fuel oil for diesel fuel oil and diesel fuel oil composition comprising the same This invention provides a base fuel oil, having improved response to lubricity additives, for diesel fuel oil characterized by (1) sulfur content of 0.03 wt % or less, (2) nitrogen content of 35 wt. ppm or less, (3) density of 0.835 g/cm3 or le... | 04/10/2001 |
