Plural -c(=o)o- Groups Attached Directly Or Indirectly To Each Other By Nonionic Bonding (e.g., Alkyl Succinic Acid, Linoleic Acid Dimer, Etc.) Patents (Class 508/506)
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Patent number: 8399389Abstract: Provided herein are compositions comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided are uses of the compositions described herein.Type: GrantFiled: August 16, 2012Date of Patent: March 19, 2013Assignee: Biosynthetic Technologies, LLCInventors: Jakob Bredsguard, Jeremy Forest, Travis Thompson
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Publication number: 20130040864Abstract: The invention relates to a composition comprising at least one microgel and at least one functional additive, to processes for the preparation thereof, to uses of the compositions, and to microgel-containing polymers, rubbers, lubricants, coatings, etc. prepared therefrom.Type: ApplicationFiled: October 18, 2012Publication date: February 14, 2013Applicants: RHEIN CHEMIE RHEINAU GMBH, LANXESS DEUTSCHLAND GMBHInventors: LANXESS Deutschland GmbH, Rhein Chemie Rheinau GmbH
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Patent number: 8372301Abstract: Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided herein are uses for the compositions and methods of preparing the same.Type: GrantFiled: May 30, 2012Date of Patent: February 12, 2013Assignee: Biosynthetic Technologies, LLCInventors: Jakob Bredsguard, Jeremy Forest, Travis Thompson
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Publication number: 20130029891Abstract: Provided is a turbine oil formulation comprised of a base oil selected from the group consisting of Group II, III and IV base oils and mixtures thereof, and an ester component comprised of at least one diester or triester species having ester links on adjacent carbons. The formulation exhibits less than 6 mg of sludge/100 ml of turbine oil, and is imminently suitable for use as a turbine oil.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: Chevron U.S.A.Inventors: Mark E. Okazaki, Nicole A. Ketterer
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Publication number: 20130017982Abstract: The present invention provides a lubricating oil composition comprising at least one type of base oil selected from mineral oils and synthetic oils, and a succinate ester and a sarcosinic acid as rust prevention agents. The succinate ester content is preferably set at 0.01 to 0.1 wt. %, and the sarcosinic acid content is preferably set at 0.001 to 0.01 wt. %. Further, they are preferably set such that the resulting weight ratio of the succinate ester content and sarcosinic acid content is 1:0.01 to 0.7. The lubricating oil composition according to the present invention shows excellent rust prevention properties and a satisfactorily long oxidation lifetime. Further it allows to attain a high level of anti-sludge performance and extreme pressure performance and lubrication performance, even when it is used for example in turbine bearings in combined cycle generators having multiplier gears operated under severe high temperature and high pressure conditions.Type: ApplicationFiled: September 21, 2012Publication date: January 17, 2013Applicant: SHELL OIL COMPANYInventor: SHELL OIL COMPANY
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Publication number: 20130012416Abstract: Provided are a grease composition which inhibits simultaneously a bearing wear and a fretting wear under a high load to make it possible to elongate a life of the bearing; a grease composition which can inhibit a fretting wear caused by a change in a load in a thrust direction in addition to an usual fretting wear caused by small vibration in an oscillating direction; and a grease composition which is excellent in low-temperature characteristics. The grease compositions contain a base oil and a thickener, wherein the base oil contains a poly-?-olefin (component A) which has a kinetic viscosity of 300 mm2/s or more at 40° C. and which is produced by using a metallocene catalyst.Type: ApplicationFiled: March 25, 2011Publication date: January 10, 2013Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yukitoshi Fujinami, Tahei Okada, Takuya Ono
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Publication number: 20130000184Abstract: The present invention relates to cooling additives for middle distillates, containing A) at least one comb polymer carrying hydroxyl groups, which can be produced by polycondensation of a polyol that contains two primary OH groups and at least one secondary OH group with a dicarboxylic acid or the anhydride or ester thereof, which carries a C16-C40 alkyl radical or a C16-C40 alkenyl radical, characterized in that the OH number of the comb polymer is at least 40 mg KOH/g, B) at least one copolymer of ethylene and of at least one ethylenically unsaturated ester, and C) at least one organic solvent.Type: ApplicationFiled: December 7, 2010Publication date: January 3, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Matthias Krull, Werner Reimann, Stefan Dilsky, Sabine Goetzke, Dirk Leinweber
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Publication number: 20130005631Abstract: Provided are a lubricating oil base oil having characteristics of low volatility and excellent low-temperature fluidity and capable of providing long-lasting lubrication property in a wide temperature range from low temperature to high temperature, and a lubricating oil composition using the same. The lubricating oil base oil includes a diester obtained through a reaction between a diol component formed of 1,12-dodecanediol and a carboxylic acid component formed of 2-methylpentanoic acid or 2-methylpentanoic acid and 2-ethylhexanoic acid. The diester is represented by R2COOR1OOCR3, where R1 represents an alkylene derived from the diol component and R2 and R3 each represent an alkyl derived from the carboxylic acid component, and includes 45 to 100 mol % of a diester in which both of R2 and R3 represent C5 alkyls.Type: ApplicationFiled: March 31, 2011Publication date: January 3, 2013Inventors: Tadashi Kuratomi, Katsumi Nagano
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Publication number: 20120329695Abstract: A lubricating grease composition for extreme pressure applications requiring extended lubrication intervals comprises a major amount of a lubricating base oil; a lithium complex thickener; and a polar compound selected from the group consisting of a rust inhibitor, a non-ionic surfactant, and mixtures thereof; wherein the concentration of the polar compound in the lubricating grease composition is no more than 0.5 wt. %, based on the total weight of the lubricating grease composition.Type: ApplicationFiled: June 24, 2011Publication date: December 27, 2012Applicant: Chevron U.S.A. Inc.Inventors: Samil Beret, Gian Lawrence Fagan
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Patent number: 8329623Abstract: The present invention provides a grease composition (7) which has a low friction and a low viscosity and is durable at a high temperature and a grease-sealed bearing (1) in which the grease composition is enclosed. The grease composition contains base oil, a thickener, and an additive. The base oil contains an ionic liquid consisting of a cation component and an anion component. The additive contains a corrosion inhibitor such as nitrites, molybdates or dibasic acid salts. The thickener is fluorine resin such as polytetrafluoroethylene. The grease composition (7) is applied to a periphery of each rolling element (4) of the grease-sealed bearing (1).Type: GrantFiled: March 31, 2009Date of Patent: December 11, 2012Assignee: NTN CorporationInventor: Takayuki Kawamura
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Patent number: 8287754Abstract: Provided herein are compostions comprising at least one estolide compound of formula: in which n is an integer equal to or greater than 0; m is an integer equal to or greater than 1; R1, independently for each occurrence, is selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R3 and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched. Also provided are uses of the compositions described herein.Type: GrantFiled: June 25, 2012Date of Patent: October 16, 2012Assignee: LubriGreen Biosynthetics, L.L.C.Inventors: Jakob Bredsguard, Jeremy Forest, Travis Thompson
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Publication number: 20120178660Abstract: Provided herein are compounds of the formula: in which n is an integer equal to or greater than 1; R2 is selected from hydrogen and optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched; and R1, R3, and R4, independently for each occurrence, are selected from optionally substituted alkyl that is saturated or unsaturated, and branched or unbranched, wherein compositions comprising the compounds are characterized by particular combinations of values for estolide number, kinematic viscosity, and pour point. Also provided are compositions containing the compounds and methods of making both the compounds and compositions thereof.Type: ApplicationFiled: August 31, 2011Publication date: July 12, 2012Inventor: Jakob Bredsguard
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Patent number: 8198222Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.Type: GrantFiled: March 16, 2010Date of Patent: June 12, 2012Assignee: The Lubrizol CorporationInventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
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Patent number: 8148307Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.Type: GrantFiled: May 17, 2010Date of Patent: April 3, 2012Assignee: The Lubrizol CorporationInventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
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Publication number: 20120028863Abstract: The present invention is generally directed to methods of making application-specific finished lubricant compositions comprising bio-derived diester species. In some embodiments, bio-derived fatty acid moieties are reacted with Fischer-Tropsch/gas-to-liquids reaction products and/or by-products (e.g., gas-to-liquids-produced ?-olefins) to yield bio-derived diester species that can then be selectively blended with base oil and one or more additive species to yield an application-specific finished lubricant product having a biomass-derived component.Type: ApplicationFiled: July 29, 2010Publication date: February 2, 2012Inventors: David Christian Kramer, Nicole A. Ketterer, Nathan Todd Knotts, Mark Edward Okazaki, Stephen Joseph Miller, Saleh A. Elomari, Ravindra Shah, Allan George Hee, William Loh, Zhen Zhou, Randolph Albert Baer, John A. Zakarian, Gian Lawrence Fagan, Samil Beret
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Publication number: 20120015854Abstract: Lube oil compositions and methods for making the same are provided. The lubricating oil composition can include at least one propylene-based polymer comprising 60 wt % to 98 wt % propylene derived units, other units derived from one or more other alpha olefins, and a base oil. The propylene-based polymer can have a triad tacticity of 90% or more, a heat of fusion of less than 80 J/g, and a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000.Type: ApplicationFiled: August 8, 2008Publication date: January 19, 2012Inventors: Periagaram S. Ravishankar, Kirk A. Nass
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Publication number: 20110251113Abstract: A Lubricating grease composition comprising a base oil and a thickener system comprising (a) a lithium soap of a C12 to C24 hydroxycarboxylic acid and (b) an alkaline earth metal salt of a C2 to C12 dicarboxylic acid. The lubricating grease compositions exhibit increased water resistance and shear stability together with excellent oil bleeding properties. The lubricating grease compositions also contain lower levels of lithium than are present in a conventional lithium based grease compositions.Type: ApplicationFiled: November 24, 2009Publication date: October 13, 2011Inventor: Stefan Daegling
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Publication number: 20110239970Abstract: Disclosed is a method for improving copper corrosion performance of a lubricating oil composition containing (a) a major amount of a base oil of lubricating viscosity; and (b) one or more dispersants containing one or more basic nitrogen atoms. The method involves adding to the lubricating oil composition an effective amount of one or more copper corrosion performance improving agents containing one or more oil-soluble titanium compounds.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: Chevron Oronite Company LLCInventors: Keneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
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Publication number: 20110206430Abstract: A cleaning device includes a scraping member that scrapes foreign materials from a member to be cleaned while being in contact with the member to be cleaned, and a lubricant supply unit that supplies a lubricant upstream of a contact position between the member to be cleaned and the scraping member in a moving direction of the member to be cleaned. The lubricant supply unit supplies a powder of a solid lubricant containing a fatty acid metal salt and a fluorocarbon resin.Type: ApplicationFiled: July 28, 2010Publication date: August 25, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Kazuhiko ARAI, Shinichi Kawamata
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Publication number: 20110195885Abstract: The invention relates to using vegetable oil having a natural viscosity index (VI) of greater or equal to 200 as a pressure medium in hydraulic systems and as a transmission fluid. The vegetable oil has a portion of monounsaturated fatty acids of at least 80%, a portion of double unsaturated fatty acids of 1-10% at maximum, and a portion of triple unsaturated fatty acids of less than 1%, preferably less than 0.1%. Part of the vegetable oil can be used in the form of an unsaturated ester of the vegetable oil. The vegetable oil can also contain an additive in a portion of 2-5% by weight selected from anti-oxidants, copper deactivators, anti-corrosion agents, wear protection agents and anti-foaming agents. The shear stability of the vegetable oil used according to the invention equals 0.7% or less, measured over 20 hours of use.Type: ApplicationFiled: April 12, 2011Publication date: August 11, 2011Inventor: Otto Botz
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Patent number: 7985719Abstract: The invention relates to a cutting and lubricating suspension composition containing gelatinous particles for cutting hard and brittle material with a wire saw. The composition contains an in situ partially neutralized polyelectrolyte and a glycol which suspends abrasive particles used in the cutting operation.Type: GrantFiled: April 28, 2008Date of Patent: July 26, 2011Inventor: Irl E. Ward
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Publication number: 20110143979Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.Type: ApplicationFiled: December 15, 2009Publication date: June 16, 2011Applicant: Chevron Oronite Company LLCInventors: Gaurav Bhalla, Elaine S. Yamaguchi, Man Hon Tsang
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Patent number: 7960318Abstract: 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 mass based on the composition in terms of the nitrogen content as an ashless dispersant, wherein an alkenylsuccic acid monoimide or an alkylsuccinic acid monoimide and/or a boron-containing derivative thereof in the ashless dispersant is 0.05% by mass or less in terms of nitrogen content; and (B) a dialkyldiphenylamine compound in an amount of 0.3 to 5.0% by mass and a hindered phenol compound in an amount of 0 to 2.5% by mass based on the composition as an antioxidant, and (C) a sulfated ash of the lubricating oil composition is 1.2% by mass or less.Type: GrantFiled: December 21, 2005Date of Patent: June 14, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hideki Kamano, Motoharu Ishikawa, Kazuhiro Teshima
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Publication number: 20110059879Abstract: A lubricating grease composition is disclosed. In one embodiment, the lubricating grease comprises at least one Group I oil, at least one Group II oil, a hydrophilic copolymer, and a soap thickener. The thickener is dispersed into at least one Group I oil during a cooking phase and the at least one Group II oil is introduced during a finishing phase. A method for making a lubricating grease is also disclosed. The method comprises obtaining at least one Group I oil, obtaining at least one Group II oil, obtaining a hydrophilic copolymer, obtaining a soap thickener, and mixing the at least one Group I oil, the least one Group II oil, the polymer and the soap thickener to form a grease wherein the thickener is dispersed into the at least one Group I oil during a cooking phase and at least one Group II oil is introduced during a finishing phase.Type: ApplicationFiled: December 4, 2009Publication date: March 10, 2011Inventors: Carol A. Barnes, Kamilah N. Smith, Alan G. Blahey, Douglas C. MacLaren
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Publication number: 20110059878Abstract: The present disclosure relates to lubricant oil compositions formed from base stock oils to optimize internal combustion engine performance. Base stock oils are identified that have selected cetane number characteristics and relatively reduced reactivity to improve their associated combustion characteristics and reduce engine knock without the need to modify the engine fuel or engine parameters such as compression ratio and/or ignition timing. The base stocks may specifically include esters of dicarboxylic acids, esters of trimellitic anhydride and/or alklyated naphthalene compounds.Type: ApplicationFiled: September 10, 2009Publication date: March 10, 2011Applicant: SOUTHWEST RESEARCH INSTITUTEInventors: Manfred AMANN, Terrence Francis ALGER, II, Thomas W. RYAN, III
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Publication number: 20110061138Abstract: The invention relates to a sunflower oil with high heat stability, which is characterised in that between 15% and 45% of the fatty acid total are saturated fatty acids (palmitic acid and stearic acid), between 45% and 75% of the fatty acid total is oleic acid and more than 85% of the tocopherol total corresponds to the sum of gamma-tocopherol and delta-tocopherol. The invention also relates to sunflower seeds that contain an oil with the aforementioned characteristics and sunflower plants which as a result of self-pollination produce seeds with the aforementioned characteristics. In addition, the invention relates to the use of said oil in food and animal feed and for the formulation of biolubricants and biofuels.Type: ApplicationFiled: November 27, 2008Publication date: March 10, 2011Inventors: Leonardo Velasco Varo, Jose Maria Fernández Martínez, Begoña Perez Vich
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Patent number: 7897551Abstract: 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 represented by the general formula (1): R1—CO—O—(X1)m—Z—(X2)n—O—CO—R2??(1) wherein Z is a cycloalkylene group having 3 to 12 carbon atoms; R1 and R2 are each independently a chain hydrocarbon group having 3 to 20 carbon atoms; X1 and X2 are each independently a linear or branched alkylene group having 1 to 5 carbon atoms; and m and n are respectively an integer of 0 or 1.Type: GrantFiled: April 25, 2006Date of Patent: March 1, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Yoshitaka Tamoto, Hitoshi Hata, Yukitoshi Fujinami
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Patent number: 7871967Abstract: The present invention is generally directed to diester-based lubricant compositions. The present invention is also directed to methods of making these and other similar lubricant compositions. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor and/or low value Fischer-Tropsch (FT) olefins and/or alcohols so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.Type: GrantFiled: February 12, 2007Date of Patent: January 18, 2011Assignee: Chevron U.S.A. Inc.Inventors: Stephen Joseph Miller, Saleh A. Elomari
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Publication number: 20110007990Abstract: The present invention provides a grease composition (7) which has a low friction and a low viscosity and is durable at a high temperature and a grease-sealed bearing (1) in which the grease composition is enclosed. The grease composition contains base oil, a thickener, and an additive. The base oil contains an ionic liquid consisting of a cation component and an anion component. The additive contains a corrosion inhibitor such as nitrites, molybdates or dibasic acid salts. The thickener is fluorine resin such as polytetrafluoroethylene. The grease composition (7) is applied to a periphery of each rolling element (4) of the grease-sealed bearing (1).Type: ApplicationFiled: March 31, 2009Publication date: January 13, 2011Applicant: NTN CORPORATIONInventor: Takayuki Kawamura
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Publication number: 20110003727Abstract: The present disclosure presents materials comprising hydrogenated and/or partially hydrogenated polymerized vegetable oils. Non-limiting applications of the polymerized oils, including coatings, binders, blends, and greases are presented. Methods for forming these materials are also disclosed.Type: ApplicationFiled: September 7, 2010Publication date: January 6, 2011Inventors: Paul D. Bloom, David P. Holzgraefe
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Patent number: 7851420Abstract: A corrosion protection agent for functional fluids is disclosed, comprising 5 to 80 wt. % of at least one fatty acid alkanolamide, based on saturated or unsaturated fatty acids with 10 to 20 carbon atoms, 5 to 80 wt. % of at least one alcohol with 2 to 14 carbon atoms and 5 to 80 wt. % of at least one aromatic moncarboxylic acid or an aliphatic dicarboxylic acid with 10 to 12 carbon atoms, whereby the sum of said components amounts to 100 wt. % and the wt. % is based on the weight of the corrosion protection agent, a water-miscible concentrate, containing said corrosion protection agent, for functional fluids based on water and use thereof for the production of lubricants, abrasive agents, hydraulic fluids and cooling lubricants for metal working and metal cutting.Type: GrantFiled: October 17, 2005Date of Patent: December 14, 2010Assignee: Helmut TheunissenInventors: Helmut Theunissen, Sabine Theunissen
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Patent number: 7807611Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.Type: GrantFiled: February 6, 2006Date of Patent: October 5, 2010Assignee: The Lubrizol CorporationInventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
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Patent number: 7776799Abstract: The invention concerns a method for cold rolling metals using an aqueous lubricant comprising: (1) at least a mixture based on at least an acid selected among saturated or unsaturated mono- or poly-carboxylic acids, comprising 5 to 40 carbon atoms; at least an acid phosphate ester of formula (RO)x-P(?O)(OH)x?, wherein: R is a hydrocarbon radical, optionally polyalkoxylated; x and x? being equal to 3; the carboxylic acid and/or the acid phosphate ester being optionally neutralized by an organic or mineral base; and (2) at least a natural or synthetic wax exhibiting a melting point not less than 50° C. and having an average particle size ranging between 0.5 and 10 ?m. The use of said lubricant enables to increase the productivity of the method by at least 15% relative to a method using a conventional lubricant.Type: GrantFiled: October 3, 2007Date of Patent: August 17, 2010Assignee: Rhodia ChimieInventors: Dominique Raison, Jean-Guy Le Helloco
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Publication number: 20100173809Abstract: A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the 4 hour TORT B rust test, comprising: a) greater than 65 weight percent API Group III base oil, API Group IV base oil, polyinternal olefin base oil, or mixtures thereof; and b) between about 0.10 wt % and about 5 wt % solubility improver. The solubility improver has an aniline point less than 50° C., or even lower. The finished lubricant can additionally comprise a mixture of amine phosphates.Type: ApplicationFiled: December 30, 2009Publication date: July 8, 2010Inventor: Mark E. Okazaki
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Patent number: 7732386Abstract: A rust inhibitor providing a pass in the TORT B rust test, comprising a solubility improver, a mixture of amine phosphates, and an alkenyl succinic compound. A finished lubricant comprising the rust inhibitor and a lubricating base oil. A finished lubricant having a kinematic viscosity at 40° C. between about 90 and 1700 cSt that passes the TORT B rust test, comprising a highly paraffinic base oil and a solubility improver having an aniline point less than 50° C. A finished lubricant that passes the TORT B rust test, comprising a Fischer-Tropsch wax, oligomerized olefins, or mixture thereof; and a solubility improver. A process for making a lubricant, comprising blending together: a) a mixture of amine phosphates, b) an alkenyl succinic compound, and c) a highly paraffinic lubricating base oil. A method of improving the rust inhibition of a lubricating oil by incorporating a solubility improver having an aniline point <10° C.Type: GrantFiled: October 25, 2005Date of Patent: June 8, 2010Assignee: Chevron U.S.A. Inc.Inventor: Mark E. Okazaki
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Publication number: 20100099503Abstract: The present invention provides a lubrication system that improves the force of retaining a lubricating component of a foamed lubricant, is capable of minimizing the amount of exudation of the lubricating component which occurs owing to deformation of the foamed lubricant, is capable of compensating for a lubricating function even when the lubricating component exudes insufficiently from the foamed lubricant, and is capable of complying with a demand that the lubrication system has a long life and can be produced at a low cost. The lubrication system comprises a foamed lubricant containing a lubricating component in a resin thereof which foams, hardens, and becomes porous and a grease for auxiliary lubrication which is present together with the foamed lubricant in a portion to be lubricated.Type: ApplicationFiled: February 26, 2008Publication date: April 22, 2010Applicant: NTN CorporationInventor: Mika Kohara
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Publication number: 20100093579Abstract: An engine lubricant, especially an SAE OW engine lubricant is described. The engine lubricant has at least 15 wt % of at least one diester and not more than 15 wt % of additives, wherein said at least one diester, or mixture of said diesters if more than one is present, has a kinematic viscosity at 100° C. of not more than 3.3, a viscosity index of at least 130, a pour point of not more than ?30° C. and a Noack evaporation loss of not more than 15 wt %.Type: ApplicationFiled: February 21, 2008Publication date: April 15, 2010Applicant: Croda International PLC`Inventors: Stephen Boyde, Steven James Randles
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Publication number: 20100093573Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity, an amine-containing friction modifier, and an ashless antiwear agent. The lubricating composition is suitable for lubricating an internal combustion engine.Type: ApplicationFiled: May 15, 2008Publication date: April 15, 2010Applicant: The Lubrizol CorporationInventors: Jody Kocsis, Patrick E. Mosier
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Publication number: 20100093567Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.Type: ApplicationFiled: April 24, 2007Publication date: April 15, 2010Applicant: KYODO YUSHI CO., LTD.Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
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Publication number: 20100087350Abstract: The present invention relates to polyester polyol lubricant compositions, some of which are capped, that include two or more chemically linked ester moieties, at least one of which derives from a seed or vegetable oil, and their preparation. The compositions have a pour point temperature of ?10° centigrade or less without a pour point depressant and a viscosity at 25° centigrade within a range of 40 centipoises (0.04 pascal second) to 2000 centipoises (2 pascal seconds) when they either lack an initiator moiety or include an initiator moiety other than a dendritic initiator moiety, and a pour point temperature of ?5° centigrade or less without a pour point depressant and a viscosity at 25° centigrade within a range of 40 centipoises (0.04 pascal second) to 8000 centipoises (8 pascal seconds) when they include a dendritic initiator moiety. The present invention also relates to a process for removing at least a portion of saturates from said compositions.Type: ApplicationFiled: March 20, 2008Publication date: April 8, 2010Inventors: Mark F. Sonnenschein, Martin R. Greaves, Aaron W. Sanders, Zenon Lysenko, Gary E. Spilman, Joe D. Phillips, Alan K. Schrock, Steven J. Martin
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Patent number: 7691795Abstract: The invention provides a grease composition comprising a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- or poly-carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.Type: GrantFiled: August 14, 2003Date of Patent: April 6, 2010Assignee: The Lubrizol CorporationInventors: Stephen J. Nolan, Carl F. Kernizan, Paul S. Greenfield, Claire L. Hollingshurst
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Patent number: 7651987Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.Type: GrantFiled: October 12, 2004Date of Patent: January 26, 2010Assignee: The Lubrizol CorporationInventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman
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Publication number: 20100015250Abstract: An aqueous hydraulic fluid composition comprising of one or more lubricants such as a monovalent metal salt, ammonium, or alkanolamine salt of a dicarboxylic acid, such as a C21 dicarboxylic acid is described in which the aqueous hydraulic fluid composition demonstrates increased thermal stability when exposed to elevated temperatures for a prolonged period of time while being able to tolerate the presence of 10% v/v synthetic seawater. The aqueous hydraulic fluid composition contains less than about 20% by weight (preferably none or substantially none) of an oil selected from the group consisting of mineral oils, synthetic hydrocarbon oils, and mixtures thereof.Type: ApplicationFiled: July 15, 2008Publication date: January 21, 2010Inventor: Ian D. Smith
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Patent number: 7635668Abstract: The present invention provides a composition containing (a) a substantially nitrogen free dispersant derived from the reaction product of: (i) a polyalkenyl-substituted acylating agent; and (ii) a polyol; (b) a primary metal hydrocarbyl dithiophosphate; (c) an oil of lubricating viscosity; and (d) optionally a viscosity modifier, wherein the composition contains about 35 ppm or less of nitrogen derived from a substantially nitrogen free dispersant. The invention further provides a process for preparing the composition and its use.Type: GrantFiled: March 16, 2004Date of Patent: December 22, 2009Assignee: The Lubrizol CorporationInventor: Donald L. Clason
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Publication number: 20090305924Abstract: The present invention relates to a method of lubricating an internal combustion engine with a power output of at least 1600 kilowatts by supplying to the internal combustion engine a lubricating composition containing an oil of lubricating viscosity and at least 0.5 wt % of a hydrocarbyl-substituted carboxylic acid or anhydride thereof. The invention further provides a lubricating composition suitable for the method.Type: ApplicationFiled: August 2, 2007Publication date: December 10, 2009Inventors: Alexandra Mayhew, Stephen J. Cook
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Publication number: 20090291867Abstract: Aqueous alkaline metal working fluids and concentrates thereof and processes for their use are disclosed. Processes to reduce the presence of Mycobacteria in a metal working environment are also disclosed.Type: ApplicationFiled: August 3, 2009Publication date: November 26, 2009Inventors: Mark J. Fretz, Paul Kutzko
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Publication number: 20090286705Abstract: Lubricating oil compositions having low flammability properties and good low temperatures suitable for use as hydraulic fluids comprise a major amount of GTL base oil, optionally a minor amount of polyolphaolefins, an additive amount of about 5 to 30 wt % of dicarboxylic acid ester and minor amount of a pour-point depressant.Type: ApplicationFiled: March 24, 2009Publication date: November 19, 2009Inventor: Marc-Andre Poirier
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Publication number: 20090270292Abstract: A lubricant composition, which comprises a fluoro-oil, a powdery fluororesin thickener, and Ca salt or Na salt of aromatic sulfonic acid or saturated aliphatic dicarboxylic acid as a rust-inhibitive additive, where the thickener is in a proportion of 10-40% by weight, and the additive is in a proportion of 0.3-10% by weight, on the basis of total weight of the composition, the balance being the fluoro-oil. The lubricant composition containing the powdery fluororesin in an appropriate admixing proportion as a thickener in the fluoro oil has a distinguished rust inhibition, particularly even after having being subjected to heat hysteresis, where a perfluoropolyether oil is usually used as a fluoro-oil.Type: ApplicationFiled: March 3, 2006Publication date: October 29, 2009Inventors: Takeshi Nonaka, Toshio Nitta, Tetsuhiro Kitahara, Tatsuya Hashimoto
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Publication number: 20090131292Abstract: An automotive lubricating oil composition containing: (A) an oil of lubricating viscosity in a major amount; and (B) as an additive component in a minor amount, an oil-soluble or oil-dispersible 4-oxobutanoic acid having the moiety —CO(CH2)COOH bonded to (i) a group OR1 where R1 is hydrocarbyl group having 10 to 30 carbon atoms; or (ii) a group X being an aromatic group substituted with at least one hydrocarbyl group having 10 to 30 carbon atoms; or (iii) a group NR2R3 where one or both of R2 and R3 is hydrocarbyl group having from 10 to 30 carbon atoms and one but not both of R2 and R3 may be a hydrogen atom, or a salt thereof.Type: ApplicationFiled: November 19, 2007Publication date: May 21, 2009Inventors: Steve Harris, Peter Anthony Tasker
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Patent number: 7534748Abstract: Polymeric polyol ester additives for metal working applications are described that have lower pour points and improved solubility in API Group II and III basestocks. The polyol esters are made from tri and/or tetrahydric alcohols, a linear fatty monocarboxylic acid, a short dioic acid, and a alk(en)yl substituted succinic acid or its anhydride.Type: GrantFiled: March 13, 2003Date of Patent: May 19, 2009Assignee: The Lubrizol CorporationInventors: Harish R. Patel, John A. Kimes