With Phenol Or Salt Thereof Patents (Class 508/531)
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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: 8901052Abstract: A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a triaryl phosphate (C) a triaryl thiophosphate, and mixtures thereof at 0.1 to 15.0% by mass with respect to the total composition; wherein the composition has a volume resistivity of 1×107 ohm·m or more at 80° C.Type: GrantFiled: December 29, 2010Date of Patent: December 2, 2014Assignees: Nissan Motor Co., Ltd., Nippon Oil CorporationInventors: Takumaru Sagawa, Takafumi Ueno, Hisayuki Wada, Tooru Aoki
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Publication number: 20140274846Abstract: The present invention is directed toward compositions suitable for use as dielectric fluids, lubricant fluids and biodiesel fluids. Compositions described herein are obtained from a saturated, unsaturated or combinations of both monol, diol, triol or polyol acyl ester based fluid and/or a non-ester based fluid and 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol and/or the carboxylic acid salt of 2,4,6-tris(di-C1-C6-alkylaminomethyl)phenol. These compositions demonstrate improved oxidative stability and/or hydrolytic stability at higher use temperatures.Type: ApplicationFiled: March 11, 2014Publication date: September 18, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: HARI BABU SUNKARA, Raja Hari Poladi
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Patent number: 8680029Abstract: Lubricating oil used for the lubrication of engines run on biodiesel fuels are improved in their resistance to oxidation by the addition to said to lubricating oil of particular detergents, and premixed mixtures of particular detergents and anti-oxidants.Type: GrantFiled: September 28, 2010Date of Patent: March 25, 2014Assignee: Exxonmobil Research and Engineering CompanyInventors: Jacob J. Habeeb, Ramesh Varadaraj, Steven M. Jetter
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Patent number: 8575082Abstract: A drag reducing additive for heavy oil, such as crude oil, includes a polymeric alkyl-substituted phenol formaldehyde resin and a solvent having at least one of an ester (e.g. ethyl acetate), an aldehyde (e.g. butyraldehyde), and an aromatic hydrocarbon (e.g. toluene, xylene, and the like), or mixtures thereof. When used together with a diluent (e.g. condensate, naphtha, or the like), the additive may reduce viscosity of the combined oil, diluent, and additive by at least 20%, increase throughput by at least 6%, reduce power consumption by at least 3%, reduce the diluent proportion by at least 3%, or some combination of these effects, as compared with an otherwise identical heavy oil without the additive.Type: GrantFiled: December 4, 2012Date of Patent: November 5, 2013Assignee: Baker Hughes IncorporatedInventors: Samuel Asomaning, Scott E. Lehrer
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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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Publication number: 20130096043Abstract: A drag reducing additive for heavy oil, such as crude oil, includes a polymeric alkyl-substituted phenol formaldehyde resin and a solvent having at least one of an ester (e.g. ethyl acetate), an aldehyde (e.g. butyraldehyde), and an aromatic hydrocarbon (e.g. toluene, xylene, and the like), or mixtures thereof. When used together with a diluent (e.g. condensate, naphtha, or the like), the additive may reduce viscosity of the combined oil, diluent, and additive by at least 20%, increase throughput by at least 6%, reduce power consumption by at least 3%, reduce the diluent proportion by at least 3%, or some combination of these effects, as compared with an otherwise identical heavy oil without the additive.Type: ApplicationFiled: December 4, 2012Publication date: April 18, 2013Applicant: Baker Hughes IncorporatedInventors: Samuel Asomaning, Scott E. Lehrer
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Patent number: 8383563Abstract: The resistance to oxidation and nitration of a gas engine oil is improved by the use of a combination of a hindered phenolic antioxidant and an (alkylated) phenyl-?-naphthylamine antioxidant. The additional use of an organo molybdenum compound further enhances the resistance to oxidation and nitration.Type: GrantFiled: August 5, 2008Date of Patent: February 26, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Marc-André Poirier, Kathleen Hoard Tellier, Stanley James Cartwright
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Patent number: 8342198Abstract: A drag reducing additive for heavy oil, such as crude oil, includes a polymeric alkyl-substituted phenol formaldehyde resin and a solvent having at least one of an ester (e.g. ethyl acetate), an aldehyde (e.g. butyraldehyde), and an aromatic hydrocarbon (e.g. toluene, xylene, and the like), or mixtures thereof. When used together with a diluent (e.g. condensate, naphtha, or the like), the additive may reduce viscosity of the combined oil, diluent, and additive by at least 20%, increase throughput by at least 6%, reduce power consumption by at least 3%, reduce the diluent proportion by at least 3%, or some combination of these effects, as compared with an otherwise identical heavy oil without the additive.Type: GrantFiled: August 25, 2009Date of Patent: January 1, 2013Assignee: Baker Hughes IncorporatedInventors: Samuel Asomaning, Scott E. Lehrer
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Publication number: 20120329691Abstract: 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 derived from hydroxy-carboxylic acids, 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: December 27, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Ewan E. Delbridge, John J. Mullay, James D. Burrington, Jonathan R. Sharpe, John W. Dunkerley
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Publication number: 20080257803Abstract: A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as an oil thereby serving as a lubricant fluid such as an oil thereby.Type: ApplicationFiled: May 28, 2008Publication date: October 23, 2008Applicant: The Lubrizol CorporationInventors: James D. Burrington, Bruce H. Grasser, Herman F. George, John R. Martin, John K. Pudelski, James P. Roski, Barbara L. Soukup, Melinda E. Bartlett
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Patent number: 6482778Abstract: Transmission fluid compositions comprising a zinc detergent and at least one phosphorus-containing additive have enhanced performance capabilities. The use of the zinc detergent and the phosphorus-containing additive provide transmission fluids that exhibit high steel-on-steel coefficients of friction, particularly useful in continuously variable transmissions (CVT).Type: GrantFiled: August 11, 1999Date of Patent: November 19, 2002Assignee: Ethyl CorporationInventors: Samuel H. Tersigni, Sanjay Srinivasan, David L. Strait