Patents Assigned to Lubrizol Corporation
  • Antiwear polymer and lubricating composition thereof
    Patent number: 8507422
    Abstract: The present invention relates to the use of a RAFT polymer as an antiwear agent in a lubricant. The lubricant may be useful in a number of mechanical devices.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: August 13, 2013
    Assignee: The Lubrizol Corporation
    Inventors: David Price, Patrick E. Mosier, Jonathan S. Vilardo, Marina Baum
  • Overbased Alkylated Arylalkyl Sulfonates
    Publication number: 20130203639
    Abstract: An overbased alkylated arylalkyl sulfonate is easy to prepare and is useful as a detergent in various lubricant applications.
    Type: Application
    Filed: January 11, 2011
    Publication date: August 8, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: James P. Roski, Ewan E. Delbridge, Christopher Friend, Gary M. Walker, Virginia A. Carrick, Jonathan S. Vilardo
  • Lubricating Composition Containing a Carboxylic Functionalised Polymer
    Publication number: 20130203638
    Abstract: The invention provides a lubricating composition comprising an oil of lubricating viscosity and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 aromatic groups, at least one —NH2 functional group, and at least 2 secondary or tertiary amino groups. The invention further provides for the additive to have improved thermal and oxidative stability modifying properties. The lubricating composition may include circulating oils, turbine oils, hydraulic fluids, transformer oils and greases as well as others that require good oxidation stability and good rust inhibition properties.
    Type: Application
    Filed: June 1, 2011
    Publication date: August 8, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Seth L. Crawley, Matthew R. Sivik, Betsy J. Butke
  • Amine derivatives as friction modifiers in lubricants
    Patent number: 8501674
    Abstract: A composition useful for lubricating an automatic transmission comprises an oil of lubricating viscosity and a hydrocarbyl amine with a hydrocarbyl group of 12 to 22 carbon atoms and having one or two additional groups of the structure —R3—NHC(O)R4, wherein R3 is an alkylene group of 1 to 4 carbon atoms and R4 is a hydrocarbyl group of 4 to 22 carbon atoms, or a nitrogen-containing heterocyclic group, or an aminoalkyl group.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: August 6, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Richard J. Vickerman, Craig D. Tipton, Daniel J. Saccomando, Suzanne M. Patterson
  • Methods and Compositions That Provide Detergency
    Publication number: 20130192124
    Abstract: The present invention relates to methods of fueling an internal combustion engine, and composition, that provide improved nitrogen-free detergency in the engine, particularly in the area of injector deposit control. The present invention also provides methods of providing both improved detergency and improved corrosion inhibition, while avoiding compatibility problems with fuels and/or while limiting the amount of nitrogen delivered to the fuel from the deposit control additive.
    Type: Application
    Filed: May 11, 2011
    Publication date: August 1, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: David C. Arters, Robert H. Barbour
  • Star Polymer Lubricating Composition
    Publication number: 20130184189
    Abstract: The invention provides a lubricating composition containing (a) a polymer derived from greater than 50 wt % or more of a non-diene monomer, wherein the polymer has a weight average molecular weight of about 2000 to about 200,000, and wherein the polymer has a shear stability index of about 0 to about 25; (b) a phosphorus-containing acid, salt, or ester; (c) an extreme pressure agent, other than a phosphorus-containing acid, salt, or ester; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.
    Type: Application
    Filed: March 6, 2013
    Publication date: July 18, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventor: The Lubrizol Corporation
  • Rust inhibitors to minimize turbo sludge
    Patent number: 8481469
    Abstract: A turbo-charged, sump-lubricated internal combustion engine which is susceptible to contamination of lubricant with liquid fuel, may be lubricated with a lubricant which contains an amount of a rust inhibitor effective to reduce the deterioration of said lubricant and turbo sludge formation.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: July 9, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Stephen J. Cook, Jolanta Z. Adamczewska
  • Lubricating Composition Containing an Aromatic Compound
    Publication number: 20130172222
    Abstract: The invention provides a lubricating composition containing an aromatic compound and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine. The invention further relates to the use of the aromatic compound as an antiwear agent.
    Type: Application
    Filed: December 17, 2010
    Publication date: July 4, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Matthew D. Gieselman, Seth L. Crawley, David J. Moreton, Paul R. Stevenson, Jeffry G. Dietz
  • Lubricating Composition Containing an Antiwear Agent
    Publication number: 20130172221
    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: Application
    Filed: December 10, 2010
    Publication date: July 4, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Richard Yodice, Seth L. Crawley, Jody A. Kocsis
  • Aminic antioxidants to minimize turbo sludge
    Patent number: 8476209
    Abstract: A turbo-charged, sump-lubricated internal combustion engine which is susceptible to contamination of lubricant with liquid fuel, is lubricated with a lubricant which contains an amount of an aminic antioxidant, optionally in the absence of a phenolic antioxidant, thereby reducing the deterioration of said lubricant and formation of turbo sludge.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: July 2, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Stephen J. Cook, Jolanta Z. Adamczewska
  • Hydroxychroman Derivatives As Engine Oil Antioxidants
    Publication number: 20130165355
    Abstract: A lubricant and concentrate composition comprises a hydroxychroman derived antioxidant and a method for improving the performance of a lubricant composition, especially a lubricant composition for an internal combustion engine, comprising the use of a lubricant containing said antioxidant.
    Type: Application
    Filed: August 30, 2011
    Publication date: June 27, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Seth L. Crawley, Virginia A. Carrick
  • Method of preparing an overbased or neutral detergent
    Patent number: 8470749
    Abstract: The invention provides a process for preparing a neutral or an overbased detergent, the process by: reacting (a) a pre-prepared suspension comprising (i) a metal base with a mean particle size of 10 micrometers or less; (ii) a surfactant; and (iii) an organic medium in which the metal base is suspended typically by a physical process. An overbased detergent may be formed with a further reaction with acidifying overbasing agent. The invention further provides a lubricant composition containing said neutral and overbased detergent.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: June 25, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Elisa Seddon, Claire Hollingshurst, Brian R. Cunningham, Alexander F. Psaila, David Hobson, Mohamed G. Fahmy, Willis P. Nichols, John W. Dunkerley
  • Lubricating Composition Containing an Antiwear Agent
    Publication number: 20130157914
    Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a compound obtained/obtainable by a process comprising reacting a glycolic acid, a 2-halo-acetic acid, or a lactic acid, or an alkali or alkaline metal salts thereof, (typically glycolic acid or a 2-halo-acetic acid) with at least one member selected from the group consisting of an amine, an alcohol, and an aminoalcohol. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Application
    Filed: February 14, 2013
    Publication date: June 20, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventor: The Lubrizol Corporation
  • Titanium and Molybdenum Compounds and Complexes as Additives in Lubricants
    Publication number: 20130150273
    Abstract: 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: Application
    Filed: February 28, 2011
    Publication date: June 13, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Mark C. Davies, Virginia A. Carrick, Jody A. Kocsis, Patrick E. Mosier, Matthew D. Gieselman, John K. Pudelski, Brent R. Dohner, Jonathan S. Vilardo
  • Quaternary salts for use as surfactants in dispersions
    Patent number: 8460404
    Abstract: The invention provides a composition comprising a dispersion comprising (a) an inorganic metal compound, (b) a quaternary salt surfactant and (c) an organic medium, wherein the metal compounds are uniformly dispersed in the organic medium. The invention also provides fuel compositions comprising said dispersion and methods of operating internal combustion engines and open flame burners utilizing said dispersion.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: June 11, 2013
    Assignee: The Lubrizol Corporation
    Inventor: Claire L. Hollingshurst
  • Lubricating Composition Containing a Dispersant
    Publication number: 20130143781
    Abstract: The invention provides a lubricating composition containing a copolymer comprising units derived from monomers (i) ?-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified and amidated with an alcohol and an aromatic amine respectively, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Application
    Filed: May 19, 2011
    Publication date: June 6, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: William R.S. Barton, David Price, Patrick E. Mosier
  • Lubricating Composition Containing a Dispersant
    Publication number: 20130143780
    Abstract: The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Application
    Filed: May 17, 2011
    Publication date: June 6, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Matthew D. Gieselman, Joanne L. Jones, Renee A. Eveland, Patrick E. Mosier, William Ellyatt
  • Ammonium Nitrate Fuel Oil Mixtures
    Publication number: 20130140871
    Abstract: The present invention relates to ammonium nitrate fuel oil mixtures, and includes compositions comprising (a) ammonium nitrate, (b) a fuel component, (c) a functionalized polymer component, and (d) an oil-soluble anionic surfactant, wherein the mixture of components (b), (c) and (d) form a gel that will not readily flow. The compositions of the present invention provide improve fuel retention and/or water resistance properties, particularly when the compositions use low quality porous prills of ammonium nitrate.
    Type: Application
    Filed: July 27, 2011
    Publication date: June 6, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Andrei B. Fedorov, Barry Love
  • SALT COMPOSITIONS AND EXPLOSIVES USING THE SAME
    Publication number: 20130139716
    Abstract: This invention relates to novel salt compositions and to explosive compositions comprising said salt compositions. The salt compositions are useful as emulsifiers in the explosive compositions. The explosive compositions are water-in-oil emulsion explosives.
    Type: Application
    Filed: June 22, 2011
    Publication date: June 6, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Thomas J. Wolak, Christopher J. Kolp, Antonio Mastrangelo, Barry Love
  • Methods of Removing Deposits of Oil and Gas Applications
    Publication number: 20130137608
    Abstract: This invention relates to compositions and methods for controlling and/or removing deposits in oil and/or gas handling equipment, and more specifically relates to controlling and/or removing deposits from the walls of oil and/or gas pipelines.
    Type: Application
    Filed: June 15, 2011
    Publication date: May 30, 2013
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Zen-Yu Chang, Charles D. Roberts