Patents Examined by Glenn A. Caldarola
  • Dispersant viscosity modifiers containing aromatic amines
    Patent number: 7960320
    Abstract: Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.
    Type: Grant
    Filed: August 18, 2010
    Date of Patent: June 14, 2011
    Assignee: The Lubrizol Corporation
    Inventors: Michael J. Covitch, John K. Pudelski, Christopher Friend, Matt D. Gieselman, Renee A. Eveland, Mary Galic Raguz, Barton J. Schober
  • Refrigerating machine oil composition
    Patent number: 7959824
    Abstract: The refrigerating machine oil composition of the invention is characterized by comprising a prescribed base oil, a phosphorus-based extreme pressure agent and an oil agent. The refrigerating machine oil composition of the invention having this construction exhibits excellent lubricity for refrigerating/air conditioning devices employing refrigerants such as HFCs, and allows the refrigerating/air conditioning devices to be operated in a stable manner for prolonged periods.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: June 14, 2011
    Assignee: Nippon Oil Corporation
    Inventors: Kazuo Tagawa, Katsuya Takigawa
  • Lubricating oil composition for internal combustion engine
    Patent number: 7960318
    Abstract: 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: Grant
    Filed: December 21, 2005
    Date of Patent: June 14, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hideki Kamano, Motoharu Ishikawa, Kazuhiro Teshima
  • Combustion catalyst carriers and methods of using the same
    Patent number: 7959693
    Abstract: Compositions including an iron containing fuel additive and a solid carrier are disclosed. Methods of preparing tablet forms of the compositions are also disclosed. The iron containing fuel additive may be ferrocene and/or substituted ferrocene derivatives. The compositions are useful for handling and rapidly solvating the iron containing fuel additive in a fuel such as gasoline.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: June 14, 2011
    Assignee: Ferox, LLC
    Inventors: W. Wesley Parish, Michael D. Thompson
  • Oil-soluble molybdenum derivatives derived from hydroxyethyl-substituted Mannich bases
    Patent number: 7960321
    Abstract: The present disclosure relates to organic molybdenum complexes prepared by reacting a Mannich base with a source of molybdenum. The complexes may be useful in lubricating oil compositions as at least one of an antioxidant, a deposit control additive, and a friction modifier. The organic molybdenum complexes may show a reduced tendency to color finished oils.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: June 14, 2011
    Assignee: Afton Chemical Corporation
    Inventors: Vincent J. Gatto, John T. Loper, Gregory P. Liesen
  • Composition
    Patent number: 7959691
    Abstract: The present invention provides a composition comprising: i) at least one compound of formula (I): wherein R1 and R2 are independently selected from a group consisting of hydrogen, unsubstituted or substituted C1-19 hydrocarbyl or a group of formula (II): wherein Q is a bond or an unsubstituted or substituted hydrocarbyl group; wherein R3 is selected from a group consisting of hydrogen and unsubstituted or substituted C1-18 hydrocarbyl; wherein the R1—C—R2 backbone is from 5 to 20 atoms in length; wherein each A and B is independently an unsubstituted or substituted unsaturated cyclic hydrocarbyl group; and wherein n is an integer from 0 to 10; and ii) a diluent or carrier; wherein the compound(s) of formula (I) is present in an amount sufficient to provide, at ?30° C., at least 1 wt % of iron, based on the weight of the composition.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: June 14, 2011
    Assignee: Innospec Deutschland GmbH
    Inventors: Stephen Leonard Cook, Werner Kalischewski, Gabriele Lohmann
  • Flavored wood pellet with grape vine
    Patent number: 7959692
    Abstract: Compositions for wood pellets including grape vine and methods of making wood pellet compositions including grape vine are described. The wood pellets include wood particles, grape vine particles, and a lubricant. The method includes mixing wood particles and grape vine particles with a lubricant, heating the mixture, and forming the mixture into pellets.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: June 14, 2011
    Assignee: Traeger Pellet Grills LLC
    Inventors: Joseph P. Traeger, Mark A. Traeger, Randolph J Traeger, Brian E. Traeger
  • Additive composition having low temperature viscosity corrosion and detergent properties
    Patent number: 7960324
    Abstract: An additive composition providing improved low temperature viscosity, corrosion and detergent properties when used in lubricating oils for internal combustion engines is presented. The additive composition comprises an unsulfurized carboxylate detergent-dispersant additive having been modified by incorporation of from about 3.2 wt % to 7.5 wt %, based on the total additive composition, of an alkaline earth metal salt of a linear, saturated carboxylic acid having from about 16 to about 20 carbon atoms and wherein the additive composition has a superalkalinization ratio of less than about 1.4:1, a TBN of less than about 200 and a sediment value of less than about 0.2% by volume.
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: June 14, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Jean-Louis Le Coent, Amedee Guellec
  • Colloidal particles used in sensing array
    Patent number: 7955561
    Abstract: Chemical sensors for detecting analytes in fluids comprising a plurality of alternating nonconductive regions (comprising a nonconductive material) and conductive regions (comprising a conductive material). In preferred embodiments, the conducting region comprises a nanoparticle. Variability in chemical sensitivity from sensor to sensor is provided by qualitatively or quantitatively varying the composition of the conductive and/or nonconductive regions. An electronic nose for detecting an analyte in a fluid may be constructed by using such arrays in conjunction with an electrical measuring device electrically connected to the conductive elements of each sensor.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: June 7, 2011
    Assignee: The California Institute of Technology
    Inventors: Nathan S. Lewis, Brett J. Doleman, Shawn M. Briglin, Erik J. Severin
  • Lubricant for a hot plastic working
    Patent number: 7956019
    Abstract: To provide a lubricant for hot plastic working which is excellent in lubricating properties, feedability and operability and will produce no adverse affects on the corrosion resistance of the products. A lubricant for hot plastic working which is characterized in that the composition is comprised of, in an anhydrous condition, 50 to 80% by mass of iron oxide, 20 to 50% by mass of sodium silicate and 1 to 20% by mass of calcium oxide and that the total content of the impurities of zinc oxide, lead oxide and copper oxide is not higher than 5% by mass, where the content of the stabilizer is not counted. This lubricant is suited for use in lubricating guide shoes in piercing-rolling of high-Cr steel species.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: June 7, 2011
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Kenichi Saito, Tetsuya Nakanishi
  • Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines
    Patent number: 7956021
    Abstract: A lubricating oil composition comprising a base oil of lubricating viscosity having a kinematic viscosity of 22 to 300 mm2/s at 40° C. and dissolved or dispersed therein the following additives in the following amounts based on a total amount of the lubricating oil composition: (1) an overbased sulfurized alkylphenol calcium salt detergent in an amount of 0.5 to 1.0 wt. % in terms of calcium content, (2) an overbased calcium alkylbenzenesulfonate detergent in an amount of 1.5 to 2.1 wt. % in terms of calcium content, (3) a nitrogen-containing ashless dispersant in an amount of 0.005 to 0.1 wt. % in terms of nitrogen content, and (4) a zinc dihydrocarbyldithiophosphate in an amount of 0.007 to 0.1 wt.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: June 7, 2011
    Assignee: Chevron Japan Ltd.
    Inventor: Hiroyuki Nagamatsu
  • Lubricant solution for magnetic recording media, containing fluorinated polyether compound as lubricant
    Patent number: 7956023
    Abstract: Provided is a lubricant solution for a magnetic recording media, wherein the lubricant solution includes a lubricant that is excellent in chemical stability and capable of imparting excellent lubricity to the lubricant solution, and a solvent having a suitable dissolving power for the lubricant, being excellent in drying properties and not influential over the ozone layer. Also provided is a lubricant solution including a lubricant and a fluorinated alkyl ether. Further provided is a lubricant solution including a compound of the formula (HO—CH2—CF2(OCF2CF2)dO—)3Y, wherein Y is a trivalent perfluorohydrocarbon group, as the lubricant and 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether as the fluorinated alkyl ether.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: June 7, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Daisuke Shirakawa, Hidekazu Okamoto
  • Reduction of organic halide contamination in hydrocarbon products
    Patent number: 7956230
    Abstract: A method for reducing halide concentration in a hydrocarbon product made by a hydrocarbon conversion process using an ionic liquid catalyst comprising a halogen-containing an acidic ionic liquid comprising: (i) separating at least a portion of the hydrocarbon product from the ionic liquid catalyst used in the hydrocarbon conversion process from the hydrocarbon product; (ii) contacting at least a portion of the separated hydrocarbon product with an ionic liquid catalyst having the same formula as the ionic liquid catalyst used in the hydrocarbon conversion process; (iii) separating at least a portion of the hydrocarbon product from the ionic liquid catalyst of step (ii); and (iv) recovering at least a portion of the separated hydrocarbon product of step (iii) having a halide concentration less than the halide concentration of the hydrocarbon product of step (i) is disclosed.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: June 7, 2011
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye-Kyung C. Timken, Michael S. Driver, Thomas V. Harris
  • Chemical sensor using thin-film sensing member
    Patent number: 7955562
    Abstract: Provided is a chemical sensor that may include a first electrode on a substrate, a sensing member covering the first electrode on the substrate, and a plurality of second electrodes on a surface of the sensing member exposing the surface of the sensing member. The chemical sensor may be configured to measure the change in electrical characteristics when a compound to be sensed is adsorbed on the sensing member. Provided also is a chemical sensor array including an array of chemical sensors.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: June 7, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-ha Hong, Hyuk-soon Choi, Jong-seob Kim, Jai-kwang Shin
  • Quaternary ammonium salt detergents for use in fuels
    Patent number: 7951211
    Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: May 31, 2011
    Assignee: The Lubrizol Corporation
    Inventors: William Barton, Mark C. Davies, David J. Moreton, Paul R. Stevenson, Dean Thetford
  • Low viscosity functional fluids
    Patent number: 7951757
    Abstract: The fluid compositions of the present invention include an alkoxy glycol component, where the composition includes no more than about 10 wt % of a borate ester based on the weight of the composition. The physical properties of the compositions of include a high dry equilibrium reflux boiling point (ERBP), a high wet equilibrium reflux boiling point (WERBP), and a low temperature viscosity. These compositions are particularly useful because their physical properties (e.g., WERBP, ERBP, and low temperature viscosity) meet or exceed the provisions for DOT 3 brake fluids under the Federal Motor Vehicle Standard No. 116.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: May 31, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Gregory A. Carpenter, Pearl L. Crossen
  • System having DLC contact surfaces, method of lubricating the system, and lubricant for the system
    Patent number: 7951756
    Abstract: The present invention relates to a system wherein a pair of relatively movable, facing DLC contact surfaces at least one of which is coated with a DLC film, are further lowered in friction, and the low friction property is stably maintained. The present invention also relates to a lubricant for the system, and a lubricating method. The lubricant for the system having the DLC contact surfaces contains lubricant base oil (A) mainly composed of base oil (X), and sulfur-containing molybdenum complex (B). The base oil (X) is at least one of hydrocracked mineral oils, wax-isomerized mineral oils, and poly-?-olefin base oils, and has a kinematic viscosity of 2 to 20 mm2/s at 100° C., a total aromatic content of not higher than 5 mass %, and a total sulfur content of not higher than 0.005 mass %.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: May 31, 2011
    Assignees: Nippon Oil Corporation, Nissan Motor Co., Ltd.
    Inventors: Shozaburo Konishi, Makoto Kano, Takafumi Ueno, Takao Ishikawa
  • Overbased alkali metal alkylhydroxybenzoates having low crude sediment
    Patent number: 7951760
    Abstract: A process for preparing an overbased alkali metal alkylhydroxybenzoate, said process comprising overbasing an alkali metal alkylhydroxybenzoate or a mixture of alkali metal alkylhydroxybenzoate and up to 50 mole % of alkylphenol, based on the total mixture of alkylhydroxybenzoate and alkylphenol, with a molar excess of alkaline earth metal base and at least one acidic overbasing material in the presence of at least one carboxylic acid having from one to four carbon atoms and a solvent selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons, monoalcohols and mixtures thereof.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: May 31, 2011
    Assignee: Chevron Oronite S.A.
    Inventor: Jean-Louis Le Coent
  • Continuous steam pyrolysis method
    Patent number: 7951289
    Abstract: A continuous steam pyrolysis method is provided. The method comprises feeding a material to be pyrolyzed into a tubular reactor and carrying out a pyrolysis reaction in the tubular reactor in the presence of a superheated steam flow. The material to be pyrolyzed passes through one or more proceeding zones and one or more blending zones during the pyrolysis reaction in the tubular reactor. The total length of the one or more blending zones ranges about 5% to about 35% of the total length of the proceeding zones and the blending zones.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: May 31, 2011
    Assignee: Enrestec, Inc.
    Inventors: Chun-Yao Wu, Kalitko Uladzimir
  • Quaternary ammonium salt detergents for use in fuels
    Patent number: 7947093
    Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: May 24, 2011
    Assignee: The Lubrizol Corporation
    Inventors: William Barton, Mark C. Davies, David J. Moreton, Paul R. Stevenson, Dean Thetford