Patents Examined by Vishal Vasisth
  • Patent number: 9777205
    Abstract: Disclosed is an effective thermal grease comprising a hyperbranched olefinic fluid and a thermally conductive filler. Property-modifying additives and fillers may also be included. The hyperbranched olefinic fluid is selected to have an average of at least 1.5 methine carbons per oligomer molecule and at least 40 methine carbons per one thousand total carbons. The thermal grease exhibits a flash point of 180° C. or higher, a pour point of 0° C. or lower, and a kinematic viscosity at 40° C. of no more than 200 cSt (0.0002 m 2/s). The composition may offer improved thermal conductivity, reduced tendency to migrate, and lower cost when compared with many other thermal greases, including silicone-based thermal greases.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: October 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Brad C. Bailey, Mohamed Esseghir, Suh Joon Han
  • Patent number: 9765821
    Abstract: A rolling bearing that can prevent peeling on a surface of an iron-based metal member by hydrogen brittleness even under a severe environment is provided. The rolling bearing 1 has plural bearing elements formed of an iron-based metal, and a lubricant composition 7 that lubricates metal contact surfaces of the respective bearing elements, the lubricant composition 7 is a grease containing a base oil and alkanolamine and being free of alkali metal salts and alkaline earth metal salts of inorganic acids, the base oil is at least one oil selected from alkyl diphenyl ether oils, poly-?-olefin oils and ester oils, and the alkanolamine is contained by 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the base oil and a thickener.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: September 19, 2017
    Assignee: NTN CORPORATION
    Inventors: Takayuki Kawamura, Motohiro Ito
  • Patent number: 9765276
    Abstract: A lubricating composition for use in heavy duty diesel engines which is formulated to allow the use of organomolybdenum compounds but which overcomes the issue of Cu and/or Pb corrosion. The lubricant is characterized by having a synergistic additive composition comprising (A) a sulfur-free organo-molybdenum compound, (B) a sulfur-containing organo-molybdenum compound and (C) a triazole derivative prepared by reacting 1,2,4-triazole, a formaldehyde source and an amine; (A), (B) and (C) being present in an amount sufficient to allow the lubricating composition to pass the High Temperature Corrosion Bench Test ASTM D 6594 with respect to Cu and/or Pb corrosion.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: September 19, 2017
    Assignee: VANDERBILT CHEMICALS, LLC
    Inventors: Mihir K. Patel, Vincent J. Gatto
  • Patent number: 9758743
    Abstract: A lubricant composition of an oil of lubricating viscosity; an esterified copolymer with a backbone comprising units derived from (i) an ?-olefin monomer of at least about 6 carbon atoms and (ii) an ethylenically unsaturated carboxylic acid in a mole ratio of 1:3 to 3:1; and a polymer comprising olefin monomer units of 3 to 5 carbon atoms, wherein at least 50 percent by weight of such units contain fewer than 6 carbon atoms and wherein less than 5 percent by weight of such units are ethylene monomer units; exhibits good power transfer efficiency and elastohydrodynamic film thickness.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: September 12, 2017
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Knapton, William R. S. Barton, Brett Wessler, Mark R. Baker
  • Patent number: 9759322
    Abstract: A sliding element for use in an internal combustion engine may include a ferrous base having a peripheral sliding surface covered by a protective surface layer, the protective surface layer including at least one nitride applied via at least one of physical vapour deposition and a nitrided layer. The peripheral sliding surface may have a diamond like carbon (DLC) coating disposed thereon. The coating may include at least one of (a) one or more transition layers composed of WC1-x and (b) an adhesive layer of metallic chromium with a crystal structure. The coating may include an intermediate layer of metal DLC, the metal may be tungsten in a multilayer structure of a-C:H:W and a-C:H, and an outer layer of metal-free DLC.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: September 12, 2017
    Assignees: MAHLE Metal Leve S.A., MAHLE International GmbH
    Inventors: Juliano A. Araujo, Nuno Costa
  • Patent number: 9745536
    Abstract: The lubricating oil composition for a shock absorber of the present invention contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a tertiary amine represented by the following general formula (I), and (C) a zinc dithiophosphate represented by the following general formula (II): wherein R1 and R2 each independently represent an aliphatic hydrocarbon group having from 1 to 5 carbon atoms, and R3 represents an aliphatic hydrocarbon group having from 12 to 24 carbon atoms in the general formula (I), wherein R4 to R7 each independently represent one selected from an alkyl group and an alkenyl group each having 1 to 24 carbon atoms in the general formula (II).
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: August 29, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki
  • Patent number: 9745535
    Abstract: Briefly described, embodiments of this disclosure include articles and methods of making articles.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: August 29, 2017
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: Wallace Gregory Sawyer, Jennifer Vail
  • Patent number: 9738849
    Abstract: The invention provides a lubricating composition containing (a) an oil of lubricating viscosity, (b) a phosphite having at least one hydrocarbyl group that has 4 or more carbon atoms, and (c) a compound derived from a hydroxy-carboxylic acid. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: August 22, 2017
    Assignee: The Lubrizol Corporation
    Inventors: William R. S. Barton, Mark C. Davies, Michael R. Sutton, Matthew D. Gieselman, Patrick E. Mosier
  • Patent number: 9733197
    Abstract: A process for detecting oil or lubricant contamination in a manufactured product, the process comprising adding a fluorescent taggant to oils or lubricants contained in processing machinery for said product, conveying said product past an infrared detection apparatus, irradiating said product with infrared radiation from said detection apparatus as it passes the detection apparatus, and detecting infrared radiation emitted from said irradiated product.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: August 15, 2017
    Assignee: ALTRIA CLIENT SERVICES LLC
    Inventors: Edmond J. Cadieux, Jr., William James Faenza
  • Patent number: 9732301
    Abstract: A power transmitting fluid comprises a major amount of a lubricating oil and a minor amount of an additive composition. The additive composition comprises: (a) a friction modifier of the formula: (b) an oil-soluble phosphorus compound; and, (c) an ashless dispersant; wherein R1 and R2 may be the same or different and represent linear or branched, saturated or unsaturated hydrocarbyl groups having from 8 to 20 carbon atoms. Z represents a polyoxyalkylene segment or a polyalkoxylated alkyl amine segment. The friction modifiers provide the fluid with improved fluoroelastomer seal compatibility and enhanced copper corrosion compatibility.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: August 15, 2017
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Raymond F. Watts, Keith R. Gorda
  • Patent number: 9725671
    Abstract: A lubricant film-forming composition includes as a composition: 40 to 80 mass % of a base oil consisting of one or more selected from pentaerythritol fatty acid ester and trimethylolpropane fatty acid ester; 5 to 20 mass % of a solidifying agent consisting of paraffin wax; and 10 to 40 mass % of a solid lubricant consisting of one or more selected from alkali metal salt of hydroxystearic acid and alkali earth metal salt of hydroxystearic acid. A total content of the base oil, the solidifying agent, and the solid lubricant is 85 mass % or more and 100 mass % or less, and the lubricant film-forming composition does not contain heavy metals.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: August 8, 2017
    Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, VALLOUREC OIL AND GAS FRANCE
    Inventors: Keishi Matsumoto, Kunio Goto, Masayoshi Sasaki
  • Patent number: 9719041
    Abstract: A composition that includes one or more compounds represented by the formula R1—O—R2 wherein R1 is a substituted or unsubstituted aryl or polyaryl group having from about 4 to about 40 carbon atoms, and R2 is the residue of a substituted or unsubstituted glycol ether having from about 4 to about 40 carbon atoms. The composition has a viscosity (Kv100) from about 1 to about 10 cSt at 100° C. as determined by ASTM D-445, a viscosity index (VI) from about ?100 to about 300 as determined by ASTM D-2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D-5800. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of oxidative stability, solubility and dispersancy of polar additives of a lubricating oil by using as the lubricating oil a formulated oil containing the composition.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: August 1, 2017
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Abhimanyu O. Patil, Satish Bodige
  • Patent number: 9719047
    Abstract: The present invention pertains to a process for refining of crude tall oil (CTO). The process comprises fractionation under vacuum of a refined CTO into at least one stream of refined tall diesel (RTD) or tall oil fatty acids (TOFA), the RTD or TOFA comprises from 2-30% by volume of resin acids and from 20-90% by volume of fatty acids, and at least one stream of resin acid(s) (RA) comprising less than 5% by volume of fatty acids. The stream of RTD or TOFA is deoxygenated forming hydrocarbon compounds in a subsequent step. This invention also relates to a refined tall diesel. Furthermore, a process for the production of a refined tall diesel (RTD) composition, wherein crude sulphate turpentine(s) (CST) is added to the refined tall diesel (RTD) composition, is described.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 1, 2017
    Assignee: Sunpine AB
    Inventors: Lars Stigsson, Valeri Naydenov, Johan Lundback
  • Patent number: 9719045
    Abstract: The invention provides a grease composition for rolling bearings of automotive electrical equipment or automotive auxiliaries, containing a base oil that includes as an essential component an alkyldiphenyl ether oil; a diurea thickener represented by formula (1); an anti-flaking additive including an organic sulfonate rust inhibitor and a load carrying additive; and an antioxidant. In the formula (1), R2 is a bivalent aromatic hydrocarbon group having 6 to 15 carbon atoms; and one of R1 or R3 represents cyclohexyl group and the other represents cyclohexyl group, an alkyl group having 8 to 22 carbon atoms or an aromatic hydrocarbon group having 6 to 12 carbon atoms.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: August 1, 2017
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Ryo Aida, Terasu Yoshinari, Junichi Imai
  • Patent number: 9719044
    Abstract: A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: August 1, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoya Matsumoto, Tadashi Kisen
  • Patent number: 9708561
    Abstract: A method for reducing the friction coefficient of a lubricating oil composition in the lubrication of a mechanical device comprises formulating said lubricating oil composition with a carboxylic acid ester obtainable by reacting a mixture comprising at least on dicarboxylic acid and at least one branched C10 alcohol.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: July 18, 2017
    Assignee: BASF SE
    Inventors: Markus Scherer, Arjun Goyal, Muriel Ecormier, Boris Breitscheidel
  • Patent number: 9708564
    Abstract: The presently claimed invention is directed to the use of carboxylic acid esters which are obtained by reacting aliphatic dicarboxylic acids and a mixture of structurally different monoalcohols having 10 carbon atoms as lubricants and a process for their preparation.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: July 18, 2017
    Assignee: BASF SE
    Inventors: Markus Scherer, Boris Breitscheidel
  • Patent number: 9707605
    Abstract: An oil in water lubricant fluid for use in steel cold rolling, comprising an oil in water emulsion having a particle size of 1 ?m or less, consisting of an oil phase and water, where the oil phase includes about 5 wt % to about 40 wt % of at least one polymeric surfactant, about 25 wt % to about 95 wt % base oil, about 0.2 wt % to about 10 wt % extreme pressure lubrication additives, and about 0.5 wt % to about 6 wt % other functional additives.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: July 18, 2017
    Assignee: QUAKER CHEMICAL CORPORATION
    Inventors: Tao Zhu, Pieter Schellingerhout, Yuming Zhang, Jiangbo Ma
  • Patent number: 9701883
    Abstract: A composition for treating an aqueous fluid includes an ionic polyacrylamide and a silicon polyether. The composition can be an oil-in-water emulsion or a water-in-oil emulsion. The ionic polyacrylamide can be an anionic polyacrylamide or a cationic polyacrylamide. The composition can be employed, for example, as a friction reducing additive for water based fracturing fluid, or a drilling mud additive.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: July 11, 2017
    Assignee: Momentive Performance Materials Inc.
    Inventors: Mukesh Kumar, Kalman Koczo, Kostas Spyropoulos, John Terracina, Mark D. Leatherman, Benjamin Falk, Olusegun Matthew Falana
  • Patent number: 9695379
    Abstract: Provided is a lubricating oil composition for a shock absorber excellent in thermal stability and capable of reducing the friction factor for rubber. The lubricating oil composition for a shock absorber contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a zinc dithiophosphate represented by the following general formula (I), (C) a fatty acid amide and (D) a polyalcohol ester. In the formula, R1 to R4 each independently represent at least one selected from a linear, branched or cyclic alkyl group having from 6 to 20 carbon atoms and a linear, branched or cyclic alkenyl group having from 6 to 20 carbon atoms.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: July 4, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi Sakanoue, Aya Aoki