Patents Examined by James Goloboy
  • Lubricating composition containing a nitrile compound
    Patent number: 8946135
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a nitrile compound. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: February 3, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Seth L. Crawley, Jody A. Kocsis, Matthew D. Gieselman, Patrick E. Mosier
  • Succinimide compound, lubricating oil additive, and lubricating oil composition
    Patent number: 8933247
    Abstract: The present invention provides a succinimide compound represented by the following formula (1-1) or (1-2), and a lubricating oil additive and a lubricating oil composition which contain the succinimide compound. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: January 13, 2015
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Kazuo Tagawa, Miho Endou
  • Method for improving fluorocarbon elastomer seal compatibility
    Patent number: 8933001
    Abstract: Disclosed is a method for improving compatibility of a fluorocarbon elastomer seal with 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 fluorocarbon elastomer compatibility improving agents of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: January 13, 2015
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Lubricant oil compositions
    Patent number: 8927472
    Abstract: 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: Grant
    Filed: May 11, 2012
    Date of Patent: January 6, 2015
    Assignee: Polnox Corporation
    Inventors: Ashok L. Cholli, Ashish Dhawan, Rajesh Kumar, Vijayendra Kumar, Suizhou Yang, Taizoon Canteenwala
  • Friction modifiers for engine oils
    Patent number: 8927471
    Abstract: An engine oil comprising a major amount of a base oil and a minor amount of an additive package, wherein the additive package comprises at least one friction modifier represented by the formula: wherein R is selected from a hydrocarbyl group having 12 to 28 carbon atoms, a heteroatom containing hydrocarbyl having 12 to 32 carbon atoms, or a group represented by the formula: wherein R1 and R2 are independently selected from hydrocarbyl carbonyl moieties having 12 to 28 carbon atoms, or R1 and R2 form a hydrocarbon dicarbonyl containing ring with 12 to 32 carbon atoms, and R3 and R4 are independently selected from alkyl groups having 1 to 18 carbon atoms. Methods of using the engine oil to improve thin film and/or boundary layer friction in an engine are also provided.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: January 6, 2015
    Assignee: Afton Chemical Corporation
    Inventor: John T. Loper
  • Lubricant compositions containing a functionalized dispersant
    Patent number: 8927469
    Abstract: An engine lubricant composition, a method for maintaining the soot or sludge handling capability of an engine lubricant while not adversely affecting elastomeric seal material in the engine and a method of operating an engine. The engine lubricant includes a base oil and a dispersant. The dispersant is a reaction product of A) a hydrocarbyl-dicarboxylic acid or anhydride, B) a polyamine, C) a dicarboxyl-containing fused aromatic compound, and D) a non-aromatic dicarboxylic acid or anhydride.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: January 6, 2015
    Assignee: Afton Chemical Corporation
    Inventors: Naresh Mathur, Jason A. Lagona
  • Method of formulating a fuel composition
    Patent number: 8926716
    Abstract: In a fuel composition containing a static dissipator additive, a Fischer-Tropsch derived fuel component is blended for the purpose of increasing the electrical conductivity of the composition and/or for reducing the concentration of the static dissipator additive in the composition. The fuel composition is preferably an automotive diesel fuel composition.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: January 6, 2015
    Assignee: Shell Oil Company
    Inventors: Claire Ansell, Richard Hugh Clark, Robert Wilfred Matthews Wardle, Sze Hsuean Karen Lee
  • Method for producing individual compacts suitable for coke oven chambers by dividing a coal cake in a non-mechanical manner
    Patent number: 8920607
    Abstract: A method for producing individual compacts made of coke and suitable for coke oven chambers by dividing a coal cake in a non-mechanical manner, wherein the coal cake is produced by a compression method according to the prior art and the coal cake is divided by non-mechanical, energy-supplying media, and the non-mechanical media supplying shearing energy are, for example, a laser beam, a high-pressure water jet, an abrasive-solid jet, an ultrasonic beam, a compressed-air jet, or a gas jet. By using the method, coal compacts can be produced from coal cakes without forming dust, without wearing out cutting tools, and with high precision.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: December 30, 2014
    Assignee: ThyssenKrupp UHDE GmbH
    Inventor: Ronald Kim
  • Lubricating oil composition
    Patent number: 8921287
    Abstract: The present invention provides a lubricating oil composition with excellent torque capacity and shifting characteristics suitable for use as automatic or continuously variable transmission fluids, which composition comprises a base oil and, on the basis of the total mass of the composition, (A) a sulfonate detergent in an amount of 0.01 to 0.3 percent by mass in terms of metal (MeA); (B) a salicylate detergent in an amount of 0 or more than 0 and 0.1 percent by mass or less, in terms of metal (MeB); and (C) a boron-containing succinimide type ashless dispersant in an amount of 0.001 to 0.1 percent by mass in terms of boron (BoC); (MeB)/(MeA) being 0, or greater than 0 and 1.5 or less, and (MeA)/(BoC) being from 0.001 to 20.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: December 30, 2014
    Assignee: Nippon Oil Corporation
    Inventors: Hitoshi Komatsubara, Masato Takahashi, Shigeki Matsui
  • Esters comprising branched alkyl groups as lubricants
    Patent number: 8921289
    Abstract: A process for improving the oxidation stability of lubricants including providing one or more esters containing branched alkyl groups which are reaction products of branched alcohols with a) one or more aliphatic dicarboxylic acids corresponding to general formula (II): HOOC—R2—COOH in which R2 is a branched or unbranched, saturated alkyl group containing 0 to 34 carbon atoms, or b) one or more saturated branched monocarboxylic acids corresponding to general formula (III): R3—COOH in which R3 is a branched alkyl group of 3 to 39 carbon atoms, or c) one or more saturated monocarboxylic acids corresponding to general formula (III) in which R3 is a linear alkyl group of 3 to 29 carbon atoms, or d) a mixture thereof, as lubricants, with the proviso that the esters have an oxidation stability of 1000 hours or more, as determined by the Turbine Oil Stability Test (TOST test) to DIN EN ISO 4263-3.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: December 30, 2014
    Assignee: Cognis IP Management GmbH
    Inventors: Markus Scherer, Dirk Rettemeyer
  • Transmission oil composition for automobile
    Patent number: 8901052
    Abstract: 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: Grant
    Filed: December 29, 2010
    Date of Patent: December 2, 2014
    Assignees: Nissan Motor Co., Ltd., Nippon Oil Corporation
    Inventors: Takumaru Sagawa, Takafumi Ueno, Hisayuki Wada, Tooru Aoki
  • Biodiesel cold flow improver
    Patent number: 8900333
    Abstract: The present invention is directed to the use of alkyl(meth)acrylate polymers or copolymers of the formula (I) In-Poly-(E)y??(I) as cold flow improvers in biodiesel fuel (or bio-fuel) and biodiesel compositions incorporating said polymers or copolymers, obtained by nitroxyl mediated controlled free radical polymerization, wherein In is the initiator fragment starting the polymerization reaction; E is an end group bearing at least one stable free nitroxyl radical, which is bound via an oxygen atom to the polymer or copolymer; or a group which results from a substitution or elimination reaction of the attached stable free nitroxyl radical; Poly is any polymer or copolymer formed from ethylenically unsaturated monomer(s); and y is a number 1 or greater than 1 indicating the average number of end groups E attached to Poly.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: December 2, 2014
    Assignee: BASF SE
    Inventors: Eugene Scanlon, Kevin DeSantis, Clemens Auschra, Andreas Möck
  • Method for improving copper corrosion performance
    Patent number: 8901050
    Abstract: 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 of the general formula Si—X4 or a hydrolysis product thereof, wherein each X is independently a hydroxyl-containing group, hydrocarbyloxy-containing group, acyloxy-containing group, amino-containing group, monoalkyl amino-containing group or dialkyl amino-containing group.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 2, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Kenneth D. Nelson, Elaine S. Yamaguchi, Kam-Sik Ng, Paula S. Rogers
  • Method of preparing greases
    Patent number: 8889604
    Abstract: Provided is a method for preparing a grease composition, which comprises mixing grease components under high pressure and high flow rate impingement. In one embodiment, a first mixture of an amine in a lubricating base oil is mixed with an isocyanate in a lubricating base oil under high pressure and high flow impingement. In another embodiment, the mixing and reaction occurs in a reaction injection molding device. The orifice size through which each of the mixtures is introduced into a reaction/mixing zone is less than 0.030 inch (0.0762 centimeter) in diameter. The resulting grease composition is an extremely low noise grease, being virtually clear of any urea thickener particles, and/or can exhibit good high temperature resistance and mechanical stability.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: November 18, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: David S. Lee, Susan M. Abernathy
  • Straw biolubricant
    Patent number: 8889605
    Abstract: A straw biolubricant includes 70-80% mineral oil, 6-11% straw biomass oil, and 15-20% active agent. The active agent is sorbitol oleate. The straw biolubricant includes a higher contact resistance and lower coefficient of friction in comparison with a conventional lubricant, therefore to reduce the temperature of operating machine parts.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: November 18, 2014
    Assignee: National Formosa University
    Inventors: Jeng-Haur Horng, Shou-Yin Yang, Chun-Chia Tien, Wei-Jhuh Wu, Hsiang-Jung Cheng
  • Method for converting biomass into products containing acetal groups and use thereof as biofuels
    Patent number: 8870982
    Abstract: The invention describes a method of converting biomass to products that can be incorporated into the diesel fuel pool, comprising a first stage of fermentation of renewable raw materials of vegetable origin at the end of which a least one alcohol and at least one compound containing a carbonyl group are obtained, and a second stage corresponding to an acetalization reaction involving said alcohol and said compound containing a carbonyl group.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: October 28, 2014
    Assignee: IFP Energies Nouvelles
    Inventors: Bruno Delfort, Remy Marchal
  • Gear oil compositions
    Patent number: 8865633
    Abstract: A gear oil composition, a method for operating an automotive gear, and a method for improving performance of a gear oil that includes a) a major amount of a base oil having a lubricating viscosity; b) a polysulfide extreme pressure agent; and c) a reaction product of an acylated copolymer and a polyamine.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: October 21, 2014
    Assignee: Afton Chemical Corporation
    Inventors: Ian MacPherson, Donald Robert Bell, Akhilesh Duggal
  • Devices, processes and methods for the production of lower alkyl esters
    Patent number: 8865080
    Abstract: Embodiments of a process for production of biodiesel from a transesterification reaction of alcohol and triglycerides in a multi-zone tubular reactor is disclosed. Alkyl esters and glycerin are formed from reactants in a reaction mixture as the reaction mixture flows through the zones. The zones include an entrance zone, an exit zone, and an intermediate zone between the entrance and exit zones. The zones are characterized by physical properties such as viscosity, density, composition, and flow regime. The entrance and intermediate zones include static mixers that perform structured mixing that increases the conversion and yield. The degree of mixing provided by the mixers is different in the zones to account for differences in physical properties.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: October 21, 2014
    Assignee: Renewable Energy Group, Inc.
    Inventor: Tom Michael Ashley
  • Lubricating grease composition
    Patent number: 8859470
    Abstract: A lubricating grease composition comprising (A) a base oil, (B) 5 to 10 wt. % of a urea compound, (C) 0.5 to 20 wt. % of at least one phosphorous compound selected from the group consisting of a phosphoric acid salt etc., and (D) 0.5 to 40 wt. % of a fatty acid metal salt. Aforementioned lubricating grease composition allows it to reduce the friction coefficient and prolong the endurance life significantly when it is applied onto surfaces of the sliding pair consisting of metal and plastic (especially glass-fiber-reinforced plastic) parts.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: October 14, 2014
    Assignee: Dow Corning Toray Company, Ltd.
    Inventor: Atsushi Ikezawa
  • Processes for producing denatured ethanol
    Patent number: 8858659
    Abstract: In one embodiment, the invention is to a process for producing a denatured ethanol composition comprising the steps of hydrogenating an acetic acid feed in the presence of a catalyst to form a crude ethanol product comprising ethanol, and at least one denaturant and separating the crude ethanol product in one or more separation units into a denatured ethanol composition and one or more derivative streams. The denatured ethanol composition comprises from 0.01 wt. % to 40 wt % denaturant, based on the total weight of the denatured ethanol composition.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: October 14, 2014
    Assignee: Celanese International Corporation
    Inventors: Victor J. Johnston, Lincoln Sarager, R. Jay Warner, Heiko Weiner, Trinity Horton, Radmila Jevtic