Benzene Ring Bonded Directly To The -oh Group (i.e., Beta-naphthol, Etc.) Patents (Class 508/584)
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Patent number: 9803154Abstract: Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-branched mono-alkyl-substituted hydroxyaromatic compound.Type: GrantFiled: October 31, 2014Date of Patent: October 31, 2017Assignee: Chevron Oronite Company LLCInventors: Cedrick Mahieux, Curtis Bay Campbell, Alexander Kuperman
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Publication number: 20150119308Abstract: Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-linear mono-alkyl-substituted hydroxyaromatic compound.Type: ApplicationFiled: October 31, 2013Publication date: April 30, 2015Applicant: CHEVRON ORONITE COMPANY LLCInventors: Cedrick Mahieux, Curtis B. Campbell, Alexander E. Kuperman
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Publication number: 20150119309Abstract: Disclosed herein is a process for preparing an isomeric mixture comprising a major amount of a para-branched mono-alkyl-substituted hydroxyaromatic compound.Type: ApplicationFiled: October 31, 2014Publication date: April 30, 2015Applicant: CHEVRON ORONITE COMPANY LLCInventors: Cedrick Mahieux, Curtis B. Campbell, Alexander E. Kuperman
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Publication number: 20150065408Abstract: A lubricant additive, an crankcase lubricant composition and a method for reducing intake valve deposits in a spark ignition direct injection (SIDI) engine. The lubricant additive includes (a) as a viscosity index improver, one or more ethylene/olefin copolymers derived from at least 40 mole % ethylene monomer units in an amount ranging from about 0.15 to about 0.95 wt. % based on a total weight of the lubricant composition, and (b) from about 0.1 to about 5.0 percent by weight based on a total weight of a lubricant composition of an aromatic compound having a boiling point under standard atmospheric conditions of from about 190° to about 270° C., wherein the lubricant additive is effective to reduce intake valve deposits in a SIDI engine.Type: ApplicationFiled: November 6, 2014Publication date: March 5, 2015Inventors: Gregory H. GUINTHER, John T. LOPER
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Patent number: 8969273Abstract: A method for preventing or inhibiting exhaust valve seat recession in a natural gas fueled engine, the method comprising lubricating the engine with a natural gas engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an alkali metal-containing detergent, wherein the natural gas engine lubricating oil composition is substantially free of each of any alkaline earth metal-containing detergents and lithium-containing detergents is disclosed.Type: GrantFiled: February 18, 2009Date of Patent: March 3, 2015Assignee: Chevron Oronite Company LLCInventors: Melanie F. Tobias, Jon F. Von Staden
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Patent number: 8969272Abstract: This invention relates to a hydroxyaromatic functionalized polyalpha-olefin comprising the product of the combination of: a) a polyalpha-olefin comprising one or more C3 to C20 linear alpha-olefins and having at least 10% vinylidene unsaturation, a viscosity index of 80 to 400, an Mn of 300 to about 20,000, and a pour point of 0° C. or less; and b) a hydroxyaromatic moiety; wherein the analine point of the functionalized polyalpha-olefin is at least 10° C. lower than the analine point of the polyalpha-olefin.Type: GrantFiled: April 23, 2008Date of Patent: March 3, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Abhimanyu Onkar Patil, Margaret May-Som Wu, Stephen Zushma, Anura Abhimanyu Patil
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Patent number: 8946134Abstract: The present invention provides a grease composition or a lubricating oil composition which is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface of a rolling bearing, is excellent in durability in a high temperature and speed operation, and can be used for a long time. A grease-packed bearing (1) has an inner ring (2), an outer ring (3), and a plurality of rolling elements (4). A sealing member (6) for sealing a grease composition (7) is provided at openings (8a) and (8b) disposed at both axial ends of the inner ring (2) and the outer ring (3). The grease composition (7) includes a base grease composed of a base oil and a thickener and an additive added to the base grease. The additive contains at least one compound selected from among plant-derived polyphenolic compounds and compounds formed by decomposition thereof.Type: GrantFiled: February 24, 2010Date of Patent: February 3, 2015Assignee: NTN CorporationInventors: Hidenobu Mikami, Yosuke Taguchi, Takayuki Kawamura
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Patent number: 8841243Abstract: A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more ashless dispersants, (d) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid, and (e) one or more antioxidants, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition, and further wherein the natural gas engine lubricating oil composition is substantially free of any alkali metal-containing detergents.Type: GrantFiled: March 31, 2010Date of Patent: September 23, 2014Assignee: Chevron Oronite Company LLCInventors: Melanie F. Tobias, Jon F. Von Staden
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Publication number: 20140249061Abstract: Described are various formulations of lubricant additive composition comprising an additive base oil, a chlorinated paraffin, and a first antioxidant that can be used as a stand-alone lubricant or can be used in an additive package that can be added to another lubricant composition (e.g., an engine oil, a transmission fluid, a turbine oil, a gear oil, a grease, etc.). Also described are various engine oil composition comprising the lubricant additive composition.Type: ApplicationFiled: March 1, 2013Publication date: September 4, 2014Applicant: VORA Inc.Inventors: Minkoo YOUN, Janghee Han
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Patent number: 8796192Abstract: A natural gas engine lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity, (b) one or more phosphorus-containing anti-wear additives, (c) one or more oil soluble overbased alkaline earth metal-containing detergents; and (d) one or more oil soluble neutral alkali metal-containing detergents, wherein the natural gas engine lubricating oil composition contains no more than about 0.03 weight percent of phosphorus, based on the total weight of the natural gas engine lubricating oil composition.Type: GrantFiled: October 29, 2010Date of Patent: August 5, 2014Assignee: Chevron Oronite Company LLCInventors: Melanie F. Tobias, Jon F. Von Staden
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Patent number: 8748357Abstract: The lubricating oil used to lubricate diesel engines is stabilized against the detrimental degradation effects of biodiesel fuel by the addition to the lubricating oil of an additive concentrate comprising a premix of a first antioxidant, a second antioxidant of a type different from the first and an organometallic compound.Type: GrantFiled: July 10, 2009Date of Patent: June 10, 2014Assignee: ExxonMobil Research and Engineering CompanyInventors: Jacob J. Habeeb, Ramesh Varadaraj, Brandon T. Weldon
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Patent number: 8728998Abstract: 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.Type: GrantFiled: August 6, 2007Date of Patent: May 20, 2014Assignee: Air Liquide Sante (International)Inventors: Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber
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Patent number: 8709989Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.Type: GrantFiled: October 19, 2005Date of Patent: April 29, 2014Assignee: Nippon Oil CorporationInventor: Kazuhiro Yagishita
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Patent number: 8680030Abstract: The present invention is directed to a lubricating oil for use in engines subjected to sustained severe load conditions, said lubricating oil comprising a base oil, and an additive package comprising one or more neutral/low TBN or a mixture of neutral/low TBN, and overbased/high TBN alkali or alkaline earth metal alkyl sulfonates, alkyl phenates, alkyl salicylates, an antioxidant selected from the group consisting of glycerine derivatives comprising glycerine grafted with a hindered phenol, hindered phenolic containing a thioether group, and mixtures thereof, optionally an additional conventional antioxidant and/or an organomolybdenum compound, and other additives, and to a method for enhancing the deposit formation resistance of a lubricating oil used in engines operated under sustained severe load comprising the addition to the lubricant of the aforesaid additive package.Type: GrantFiled: October 31, 2006Date of Patent: March 25, 2014Assignee: ExxonMobil Research and Engineering CompanyInventor: Stanley James Cartwright
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Patent number: 8658575Abstract: This invention provides a composition of insulating fluid and process for the preparation thereof that mainly contains alkyl benzenes. In addition to alkyl benzenes, the composition also contains an antioxidant, an antifoaming agent, a pour point dispersant, a corrosion inhibitor and a detergent-dispersant additive. The product of this invention has utility as an insulating fluid in electrical installations such as transformer.Type: GrantFiled: March 21, 2006Date of Patent: February 25, 2014Assignee: Council of Scientific & Industrial ResearchInventors: Arun Kumar Singh, Naval Kishore Pandey, Ashok Kumar Gupta
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Publication number: 20140038872Abstract: Provided is a method of improving nitrile seal compatibility with a lubricating oil in an engine lubricated with the lubricating oil. The method includes using as the lubricating oil a formulated oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. Nitrile seal compatibility is improved as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester. A lubricating engine oil comprising a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. The alkylated aromatic base stock is present in an amount sufficient for the lubricating oil to exhibit improved nitrile seal compatibility as compared to nitrile seal compatibility achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock.Type: ApplicationFiled: July 22, 2013Publication date: February 6, 2014Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Douglas Edward Deckman, David Joseph Baillargeon, Anne M. Shough, Steven Michael Jetter
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Publication number: 20140020645Abstract: A lubricant additive, an crankcase lubricant composition and a method for reducing intake valve deposits in a spark ignition direct injection (SIDI) engine. The lubricant additive includes an aromatic compound having a boiling point under standard atmospheric conditions of from about 190° to about 270° C. The aromatic compound is effective to reduce intake valve deposits in a SIDI engine when used in an amount ranging from about 0.1 to about 5.0 percent by weight based on a total weight of a lubricant composition containing the additive.Type: ApplicationFiled: July 18, 2012Publication date: January 23, 2014Applicant: AFTON CHEMICAL CORPORATIONInventors: Gregory H. GUINTHER, John T. LOPER
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Patent number: 8609599Abstract: Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition comprising a major amount of an oil of lubricating viscosity and a minor amount of one or more phenolic compounds comprising distilled cashew nut shell liquid or hydrogenated distilled cashew nut shell liquid. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.Type: GrantFiled: October 20, 2011Date of Patent: December 17, 2013Assignee: Infineum International LimitedInventor: Joseph P. Hartley
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Patent number: 8603955Abstract: The lubricating oil composition of the present invention comprises at least one species of aromatic constituent selected from the following (a1) to (a5): (a1) a lubricating base oil comprising a polycyclic aromatic content of 0.01% by mass or more based on the total amount of base oil (a2) a lubricating base oil comprising a total aromatic content of 20 to 100% by mass based on the total amount of base oil (a3) an aromatic solvent (a4) at least one species of polycyclic aromatic compound selected from alkyl naphthalene and compounds having three or more aromatic rings, and (a5) an aromatic compound having a nitrogen atom, an oxygen atom or a sulfur atom; and an organic molybdenum compound.Type: GrantFiled: November 30, 2010Date of Patent: December 10, 2013Assignee: Nippon Oil CorporationInventor: Kazuhiro Yagishita
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Publication number: 20130288938Abstract: A crankcase lubricating oil composition comprising (A) an oil of lubricating viscosity in a major amount; and (B) an additive component in a minor amount comprising one or more oil-soluble sterically unhindered meta-hydrocarbyl substituted phenols.Type: ApplicationFiled: October 19, 2012Publication date: October 31, 2013Inventor: Joseph P. Hartley
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Patent number: 8557754Abstract: A composition of biodegradable gear oil that mainly contains modified nontauedible vegetable oils. Mono-esters are hydrogenated, epoxidized or aryl alkylated or mixture thereof, and C7 to C12 primary alcohol. In addition to chemically modified non-edible vegetable oils, the composition also contains an additive pack, which comprises at least one: antioxidant, an extreme pressure additive, an anti foaming agent, a pour point depressant, a corrosion inhibitor and a detergent-dispersant additive. The product of this invention has utility as industrial and automotive gear oil GL 4 grade. The compositions are significantly biodegradable, eco-friendly, reduce use of petroleum, have lower cost than synthetic oil, are miscible in mineral & synthetic fluids and safe to use due to higher flash point.Type: GrantFiled: March 5, 2009Date of Patent: October 15, 2013Assignee: Counsel of Scientific & Industrial ResearchInventors: Arun Kumar Singh, Aruna Chamoli
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Patent number: 8507417Abstract: Disclosed are sulfur and phosphorous free, borated organomolybdenum compositions containing borated alcohols. These compositions can be formulated with ashless antioxidants and low levels of phosphorous containing antiwear compounds to provide improved lubricating compositions.Type: GrantFiled: February 23, 2007Date of Patent: August 13, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: William H. Buck, Douglas E. Deckman, L. Oscar Farng, Andrew G. Horodsky, Marcia G. Rogers, Thomas J. Karol
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Patent number: 8486877Abstract: An alkylated hydroxyaromatic compound is disclosed which is prepared by reacting at least one hydroxyaromatic compound with at least one branched olefinic propylene oligomer having from about 20 to about 80 carbon atoms in the presence of an acid catalyst, wherein the at least one branched olefinic propylene oligomer is substantially free of any vinylidene content. The alkylated hydroxyaromatic compound has been determined to be substantially free of endocrine disruptive chemicals when the effects were quantified on pubertal development and thyroid function in the intact juvenile female rat.Type: GrantFiled: November 18, 2009Date of Patent: July 16, 2013Assignee: Chevron Oronite Company LLCInventors: Curtis Bay Campbell, James J. Harrison
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Publication number: 20130150273Abstract: A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils.Type: ApplicationFiled: February 28, 2011Publication date: June 13, 2013Applicant: THE LUBRIZOL CORPORATIONInventors: Mark C. Davies, Virginia A. Carrick, Jody A. Kocsis, Patrick E. Mosier, Matthew D. Gieselman, John K. Pudelski, Brent R. Dohner, Jonathan S. Vilardo
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Publication number: 20130143783Abstract: Provided are lubricating engine oils including a lubricating oil base stock as a major component and an alkylated aromatic base stock as a minor component. One or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at ?35° C. In an engine lubricated with the lubricating oil, one or more of engine wear and corrosion resistance are improved as compared to engine wear and corrosion resistance achieved using a lubricating oil containing a minor component other than the alkylated aromatic base stock, e.g., an ester having a D5293 viscosity of less than 10,000 cP at ?35° C. This improvement in engine wear and corrosion control means that engine oils can be formulated with very high saturate content base stocks such as PAOs or GTL stock while providing improved engine durability.Type: ApplicationFiled: November 28, 2012Publication date: June 6, 2013Applicant: ExxonMobil Research & Engineering CompanyInventor: ExxonMobil Research & Engineering Company
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Patent number: 8404627Abstract: A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which: (i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or, (ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.Type: GrantFiled: September 10, 2009Date of Patent: March 26, 2013Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
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Patent number: 8399392Abstract: A method of reducing asphaltene precipitation or ‘black paint’ in an engine is disclosed. The method includes the step of lubricating the engine with a lubricating oil composition comprising: an oil of lubricating viscosity in a major amount; and, a salicylate detergent system in a minor amount comprising one or more neutral or overbased alkaline earth metal C22 hydrocarbyl substituted salicylates.Type: GrantFiled: September 10, 2009Date of Patent: March 19, 2013Assignee: Infineum International LimitedInventors: Richard D. Bertram, Peter J. Dowding, Peter D. Watts
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Publication number: 20130012419Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential by including in a base oil an organic compound having two or more non-conjugated double bonds in the molecule thereof, and that is particularly preferably used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with the refrigerant and excellent thermal and chemical stability.Type: ApplicationFiled: March 24, 2011Publication date: January 10, 2013Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Tomoya Matsumoto
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Publication number: 20120283158Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers that contain one or more amide functional groups, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.Type: ApplicationFiled: November 17, 2010Publication date: November 8, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: John J. Mullay, James D. Burrington, Ewan E. Delbridge
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Publication number: 20120103303Abstract: Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition comprising a major amount of an oil of lubricating viscosity and a minor amount of one or more phenolic compounds comprising distilled cashew nut shell liquid or hydrogenated distilled cashew nut shell liquid. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.Type: ApplicationFiled: October 20, 2011Publication date: May 3, 2012Inventor: Joseph P. Hartley
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Publication number: 20120004150Abstract: Compositions comprise first antioxidants and first additives, such as, a surface additives, performance enhancing additives and lubricant protective additives and optionally second additives and/or second antioxidants. The compositions are useful to improve lubricants, lubricant oils and other lubricant materials. The compositions and methods generally provide longer shelf lives, increased oxidative resistance, improved quality and/or enhanced performance to lubricants or lubricant oils.Type: ApplicationFiled: June 21, 2011Publication date: January 5, 2012Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
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Publication number: 20110303182Abstract: Provided are formulations, methods of making, and methods of using a diesel cylinder lubricating oil composition to achieve enhanced corrosive wear control on the cylinders of a 2-stroke diesel engine, wherein such lubricating oil composition comprises, among other things, an amount of one or more surfactant materials sufficient to provide substantially improved capacity to reduce or inhibit corrosive wear.Type: ApplicationFiled: August 16, 2011Publication date: December 15, 2011Inventors: Cornelis Hendrikus Maria Boons, Marcel Verlinde, Dirk Jan Elzo Vrolijk
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Patent number: 8076274Abstract: 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. Bore polishing in the engine is reduced for a given level of exhaust gas ash production.Type: GrantFiled: July 10, 2007Date of Patent: December 13, 2011Assignee: Infineum International LimitedInventors: Robin Howard Scott, Robert William Shaw
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Patent number: 8075804Abstract: Compositions containing phenolic antioxidant solutions are provided. The invention further provides methods of making and using such compositions as well as compositions that contain both biodiesel and at least one antioxidant concentrate solutions and blended fuel compositions containing biodiesel blended with other fuels.Type: GrantFiled: January 25, 2007Date of Patent: December 13, 2011Assignee: Eastman Chemical CompanyInventors: Thomas Edward Carter, Joy Lynn Laningham, Phillip Montgomery Hudnall, Sharon Metcalf Cline
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Publication number: 20110218129Abstract: In accordance with the present invention, it has been discovered that an additive which is substantially insoluble in, has low solubility in and/or is otherwise incompatible with a functional fluid, may be supplied to the functional fluid by use of a gel composition and/or a solid additive composition containing the additive, such that the functional fluid can receive the benefit of the supplied additive and/or contain levels of the additive not otherwise achievable by conventional delivery method due to the incompatibility of the additive with the functional fluid.Type: ApplicationFiled: September 23, 2009Publication date: September 8, 2011Applicant: THE LUBRIZOL CORPORATIONInventors: Calvin W. Schroeck, Michael R. Sutton, James D. Burrington, John K. Pudelski, Ewan E. Delbridge, Jody A. Kocsis, Deborah A. Langer, Matthew D. Gieselman
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Publication number: 20110118160Abstract: An alkylated hydroxyaromatic compound is disclosed which is prepared by reacting at least one hydroxyaromatic compound with at least one branched olefinic propylene oligomer having from about 20 to about 80 carbon atoms in the presence of an acid catalyst, wherein the at least one branched olefinic propylene oligomer is substantially free of any vinylidene content. The alkylated hydroxyaromatic compound has been determined to be substantially free of endocrine disruptive chemicals when the effects were quantified on pubertal development and thyroid function in the intact juvenile female rat.Type: ApplicationFiled: November 18, 2009Publication date: May 19, 2011Applicant: Chevron Oronite Company LLCInventors: Curtis Bay Campbell, James J. Harrison
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Patent number: 7902280Abstract: Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics.Type: GrantFiled: July 7, 2008Date of Patent: March 8, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power, Jun Dong, Cyril A. Migdal, Gerard Mulqueen, Joseph F. Stieber
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Patent number: 7897552Abstract: A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an antioxidant effective amount of one or more polymeric compounds devoid of ester linkages. The polymeric compound may be represented by of the formula: wherein R and R1 are independently selected from C1 to C12 hydrocarbyl groups, n is an integer ranging from about 0 to about 10; and A is a hydrocarbyl group having from about 1 to about 30 carbon atoms.Type: GrantFiled: November 30, 2007Date of Patent: March 1, 2011Assignee: Afton Chemical CorporationInventors: JoRuetta R. Ellington, John T. Loper, Naresh C. Mathur
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Publication number: 20110015105Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a calcium-containing detergent with a soap content of 0.06 wt % to 1.6 wt % of the lubricating composition. The lubricating composition is suitable for lubricating an internal combustion engine.Type: ApplicationFiled: December 17, 2008Publication date: January 20, 2011Applicant: The Lubrizol CorporationInventors: Mark C. Davies, Michael R. Sutton
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Patent number: 7838475Abstract: A composition is disclosed which comprises an aryl perfluoropolyether, optionally a halogenated oil, and further optionally a thickening agent. The composition can be used as a lubricant itself or as an additive to an oil or grease lubricant and can withstand temperatures higher than 300° C. without decomposition. The halogenated oil can be a perfluoropolyether, a fluorosilicone, a polytrifluorochloroethylene, or combinations of two or more thereof. The thickening agent can be finely divided silica, boron nitride, clay, soap, poly(tetrafluoroethylene), clay, talc, silica, titanium dioxide, polydimethylsiloxane, polyurea, polyurethane, or combinations of two or more thereof.Type: GrantFiled: September 1, 2005Date of Patent: November 23, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Jon Lee Howell, Alice Elizabeth Van Der Ende, Erik William Perez, Krista Lynn Laugesen
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Patent number: 7829511Abstract: A stabilized lubricant composition is disclosed that comprises lubricating oil and a mixture of (a) at least one organophosphite compound and (b) at least one aromatic secondary amine or one substituted phenol or mixtures thereof. The compositions have been found to be highly resistant to oxidation under demanding service conditions and to be useful as turbine lubricants.Type: GrantFiled: May 12, 2005Date of Patent: November 9, 2010Assignee: Chemtura CorporationInventors: Jun Dong, Cyril A. Migdal
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Publication number: 20100256030Abstract: A lubricating oil composition containing a combination of oil of lubricating viscosity, one or more block copolymers of hydrogenated poly(monovinyl aromatic hydrocarbon) and poly(conjugated diene) as a viscosity modifier, and one or more one or more optionally substituted bridged hydrocarbyl phenol condensates, or metal salts thereof, as a detergent.Type: ApplicationFiled: April 6, 2009Publication date: October 7, 2010Inventors: Rolfe J. Hartley, Peter D. Watts
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Publication number: 20100210493Abstract: A method for preventing or inhibiting exhaust valve seat recession in a natural gas fueled engine, the method comprising lubricating the engine with a natural gas engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; and (b) an alkali metal-containing detergent, wherein the natural gas engine lubricating oil composition is substantially free of each of any alkaline earth metal-containing detergents and lithium-containing detergents is disclosed.Type: ApplicationFiled: February 18, 2009Publication date: August 19, 2010Applicant: Chevron Oronite Company LLCInventors: Melanie F. Tobias, Jon F. Von Staden
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Publication number: 20100105591Abstract: There is provided a finished lubricant, comprising: a) a major amount of hydroisomerized Fischer-Tropsch wax, Fischer-Tropsch oligomerized olefins, or mixture thereof; and b) between about 0.10 and about 5 wt % of a solubility improver having an aniline point less than 10° C.; wherein the finished lubricant passes the 4 hour TORT B rust test.Type: ApplicationFiled: September 24, 2009Publication date: April 29, 2010Inventors: John M. Rosenbaum, Brent K. Lok, Kathy A. Helling, Ryan J. Schexnaydre, Scott C. Deskin
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Patent number: 7704931Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine.Type: GrantFiled: June 3, 2005Date of Patent: April 27, 2010Assignee: Chemtura CorporationInventors: Jun Dong, Cyril A. Migdal
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Publication number: 20100029527Abstract: An overbased salt of an oligomerized alkylhydroxyaromatic compound is disclosed, wherein the alkyl group of the alkylhydroxyaromatic compound is derived from an olefin mixture comprising propylene oligomers having an initial boiling point of at least about 195° C. and a final boiling point of no more than about 325° C. as measured by ASTM D86. Also disclosed is a lubricating oil composition containing at least (a) a major amount of an oil of lubricating viscosity and (b) the overbased salt of the oligomerized alkylhydroxyaromatic compound.Type: ApplicationFiled: July 31, 2008Publication date: February 4, 2010Applicant: Chevron Oronite Company LLCInventors: Curtis B. Campbell, Charles Michael Cisson
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Publication number: 20100016190Abstract: An electrical oil composition comprising: A) dc-asphalted cylinder oil (DACO) having a benzo [a] pyrene content of not more than 1 mg/kg and a total content of benz [a] anthracene, chrysene, benzo [b] fluoranthene, benzo [j] fluoranthene, benzo [k] fluoranthene, benzo [c] pyrene, benzo [a] pyrene and dibenz [a, h] anthracene of not more than 10 mg/kg; and B) one or more base oils each having a viscosity of not more than 4.0 mm2/s at 100° C.Type: ApplicationFiled: October 18, 2007Publication date: January 21, 2010Inventors: Andree Hilker, Volker Klaus Null
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Publication number: 20100016196Abstract: A substituted phosphite suitable for lubricating base stocks and thermoplastic polymers represented by the structure: wherein R1 is selected from the group consisting of C1-C22 alkyl and C4-C22 cycloalkyl; R2 and R3 are selected to form a C5-C18 aryl; and R4 and R5 are selected from the group consisting of H, C1-C22 alkyl, C2-C22 alkenyl, C4-C22 cycloalkyl, and C5-C8 aryl. The substituted phosphite may be combined with at least one primary antioxidant as well as other additives.Type: ApplicationFiled: June 27, 2008Publication date: January 21, 2010Inventors: Michael E. Gelbin, Jun Dong
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Publication number: 20090197201Abstract: The present invention relates to the use of end groups Y, where Y stands for (formula I), where Rf stands for CF3—(CH2)r—, CF3—(CH2)r—O—, CF3—(CH2)r—S—, CF3CF2—S—, SF5—(CH2)r—, [CF3—(CH2)r]2N—, [CF3—(CH2)r]NH— or (CF3)2N—(CH2)r—, B stands for a single bond, O, NH, NR, CH2, C(O)—O, C(O), S, CH2—O, O—C(O), N—C(O), C(O)—N, O—C(O)—N, N—C(O)—N, O—SO2 or SO2—O, R stands for alkyl having 1 to 4 C atoms, b stands for 0 or 1 and c stands for 0 or 1, q stands for 0 or 1, where at least one radical from b and q stands for 1, and r stands for 0, 1, 2, 3, 4 or 5, as end group in surface-active compounds, to corresponding novel compounds, and to processes for the preparation of these compounds.Type: ApplicationFiled: July 2, 2007Publication date: August 6, 2009Inventors: Wolfgang Hierse, Nikolai (Mykola) Ignatyev, Martin Seidel, Elvira Montenegro, Peer Kirsch, Andreas Bathe
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Publication number: 20090143265Abstract: A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an antioxidant effective amount of one or more polymeric compounds devoid of ester linkages. The polymeric compound may be represented by of the formula: wherein R and R1 are independently selected from C1 to C12 hydrocarbyl groups, n is an integer ranging from about 0 to about 10; and A is a hydrocarbyl group having from about 1 to about 30 carbon atoms.Type: ApplicationFiled: November 30, 2007Publication date: June 4, 2009Inventors: JoRuetta R. Ellington, John T. Loper, Naresh C. Mathur