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| Number | Title | Issue Date |
| 8153565 | Lubricant composition for a final drive axle A lubricant composition for a final drive axle oil comprising an oil of lubricating viscosity, one or more dispersants and one or more phosphorus compounds wherein the kinematic viscosity of the lubricant composition at 100° C. is greater than 10 mm2/s and wherein ... | 04/10/2012 |
| 8093188 | Ashless hydraulic fluid or paper machine oil An ashless lubricating oil, comprising a base oil having a viscosity index greater than 150, wherein the base oil is made from a blend of petroleum-based wax and Fischer-Tropsch derived wax. ... | 01/10/2012 |
| 8022021 | Low ash controlled release gels The present invention relates to a controlled release gel with an ashless component and defined ash-producing component. Further, the invention relates to the use of a controlled release gel with a controlled level of ash-producing (i.e., metal) components for deliv... | 09/20/2011 |
| 7981846 | Lubricating oil composition with improved emission compatibility A lubricating oil composition comprising a major amount of an oil of lubricating viscosity, an alkaline earth metal borated sulfonate detergent, and, optionally, a molybdenum-containing compound, wherein the lubricating oil composition comprises no more than 0.12 wt... | 07/19/2011 |
| 7960318 | Lubricating oil composition for internal combustion engine The present invention provides a lubricating oil composition comprising a lube base oil comprising a mineral oil and/or a synthetic oil; (A) an alkenylsuccinimide or an alkylsuccinimide and/or a boron-containing derivative thereof in an amount of 0.01 to 0.14% by ma... | 06/14/2011 |
| 7960319 | Lubricating oil composition A lubricating oil composition favorably employable for trunk piston diesel engines contains an overbased sulfurized alkylphenol calcium salt, at least two (preferably three) overbased alkylsalicylic acid calcium salts having different base ratios and hydrocarbyl gro... | 06/14/2011 |
| 7879775 | Lubricant compositions A lubricant composition comprising a phosphorus-containing compound and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed. ... | 02/01/2011 |
| 7871966 | Lubricating oil composition The present invention provides a lubricating oil composition, which is capable to maintain sufficient low-friction (i.e. fuel saving performance) even when the lubricating oil is contaminated with soot and metal abrasion powder, which is excellent in durability with... | 01/18/2011 |
| 7867957 | Lubricating oil composition The lubricating oil composition of the invention comprises a lubricating base oil with a urea adduct value of no greater than 4% by mass and a viscosity index of 100 or higher, an ashless friction modifier at 0.01-10% by mass and a phosphorus-containing anti-wear ag... | 01/11/2011 |
| 7863227 | High performance lubricant containing high molecular weight aromatic amine antioxidant and low boron content dispersant A method for improving the seal integrity, oxidation resistance, thermal breakdown deposit protection of lubricating oil by combining a base stock and/or base oil with a high molecular weight aromatic amine and a low boron content dispersant. ... | 01/04/2011 |
| 7833953 | Lubricant composition A lubricant composition comprising a dispersant and a base oil comprising more than about 1.6% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed. ... | 11/16/2010 |
| 7820599 | Lubricating oil composition A lubricating oil composition includes lubricating oil base oil, an organic molybdenum compound (A), zinc dialkyl dithiophosphate (B), at least one compound (C) selected from calcium sulfonate, calcium phenate, and magnesium sulfonate and having a base number of 230... | 10/26/2010 |
| 7749948 | Nitrogen-containing dispersant as an ashless TBN booster for lubricants Lubricant compositions comprising (a) an oil of lubricating viscosity; and (b) at least one non-metal-containing additive, comprising a nitrogen-containing dispersant having a total base number of at least about 90 are useful for lubricating an internal combustion e... | 07/06/2010 |
| 7678746 | Lubricating compositions containing sulphonates and phenates A lubricating composition containing (a). at least 3 weight percent of an overbased sulphonate detergent with a metal ratio of 12.5:1 to 40:1; (b). at least 1.5 weight percent of a sulphur containing phenate detergent with a metal ratio of not more than 2.5; and (c)... | 03/16/2010 |
| 7651985 | Method for improving the oxidation stability of ashless oil A method for improving the oxidation stability of an ashless hydraulic fluid or an ashless paper machine oil, comprising: a. selecting a base oil having greater than 90 wt % saturates, less than 10 wt % aromatics, a base oil viscosity index greater than... | 01/26/2010 |
| 7618928 | Lubricating oil additive composition and method of making the same An oil-soluble lubricating oil additive composition comprising (I) an oil-soluble lubricating oil additive prepared by the process which comprises reacting a copolymer, with at least one ether compound and with at least one aromatic amine and (II) at least one ashle... | 11/17/2009 |
| 7585820 | Detergent composition for a low sulfur, low sulfated ash and low phosphorus lubricating oil for heavy duty diesel engines The present invention is directed to a low sulfur, low sulfated ash and low phosphorus lubricating oil composition for low emission heavy duty diesel engines comprising (a) a major amount of an oil of lubricating viscosity and (b) a detergent composition comprising ... | 09/08/2009 |
| 7569524 | Process to make an ashless lubricating oil with high oxidation stability A process for making an ashless hydraulic fluid or paper machine oil comprising a) hydroisomerization dewaxing, b) fractionating, c) selecting a fraction having a very high VI, and a high level of molecules with cycloparaffinic functionality, and d) blending the fra... | 08/04/2009 |
| 7547666 | Ashless lubricating oil with high oxidation stability An ashless hydraulic fluid or paper machine oil having a VI between 155 and 300, a RPVOT greater than 680 minutes, and a kinematic viscosity at 40° C. from 19.8 cSt to 748 cSt. An ashless hydraulic fluid or paper machine oil having a high VI and high RPVOT comprisi... | 06/16/2009 |
| 7371710 | Lubricating oil composition Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.02 to 0.1 percent by mass in terms of boron, based on the total mass of the composition, (B)... | 05/13/2008 |
| 7367309 | Internal combustion engine An internal combustion engine is provided which can operate by either the homogeneous charge compression ignition system or the spark ignition system using a single fuel. In the internal combustion engine using a fuel containing a hydrocarbon, the fuel contains o-xy... | 05/06/2008 |
| 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 |
| 7329635 | Crude oil composition including dispersant material for mitigating fouling of process equipment and method for mitigating crude oil fouling A crude oil composition wherein fouling has been mitigating and a method for mitigating crude oil fouling. The composition includes crude oil and an improved dispersant material for mitigating fouling which comprises a reaction product of a polyamine and a polyisobu... | 02/12/2008 |
| 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 |
| 7294077 | CVT belt with chromium nitride coating A belt for a continuously variable transmission (CVT) includes at least one continuous band supported against a contact face in a slot formed in each of a plurality of transverse elements of the CVT. The band has a surface positioned against the contact face. This s... | 11/13/2007 |
| 7285516 | Additive formulation for lubricating oils Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions. ... | 10/23/2007 |
| 7264705 | Cathodic electrocoating compositions containing an anti-crater agent An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;... | 09/04/2007 |
| 7264706 | Cathodic electrocoating compositions containing an anti-crater agent An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;... | 09/04/2007 |
| 7238650 | Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds A composition of matter comprising an amine acylated with a hydrocarbyl group substituted carboxylic acylating agent containing an average of from 1.3 to 1.6 groups derived from α,β-unsaturated carboxylic compounds per Mn of the hydrocarbyl group... | 07/03/2007 |
| 7235587 | Diesters containing two crylene or fluorene moieties, sunscreen compositions containing the same, and methods of photostabilizing a sunscreen compositions containing the same Diesters that include one or more of a crylene and/or a fluorene moiety, and sunscreen compositions including a mixture of a photoactive compound and one or more of a diester that includes one or more of a crylene and/or a fluorene moiety are described herein. Also ... | 06/26/2007 |
| 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 |
| 7214649 | Hydrocarbyl dispersants including pendant polar functional groups A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substitu... | 05/08/2007 |
| 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 |
| 7163912 | Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant Lubricant compositions are made containing, as a metal protectant additive, an overbased amorphous alkaline earth metal salt of fatty acid. The additive is added in either a liquid or powdered form to the base oil in the composition. The overbased additive in the lu... | 01/16/2007 |
| 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 |
| 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 |
| 7091306 | Process for preparing polyalkenylsuccinimides The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent... | 08/15/2006 |
| 7067594 | Functionalized isobutylene-polyene copolymers and derivatives thereof A carboxylic derivative composition derived from a carboxylated isobutylene-polyene copolymer having n ranging from about 200 to about 10,000, said copolymer having thereon from about 0.8 to about 7 moles per mole of copolymer of groups derived from at least one α,... | 06/27/2006 |
| 7060662 | Antifoam agent and method for use in automatic transmission fluid applications involving high pressure pumps The present invention relates to the use of a high level of a silicon-containing antifoam agent in automatic transmission fluid (“ATF”) applications. More specifically, the invention relates to a formulation and method for the reduction or elimination of pump wh... | 06/13/2006 |
