Patents Assigned to Lubrizol Corporation
  • Lubricating Composition Containing a Compound Derived from a Hydroxy-carboxylic Acid
    Publication number: 20120172265
    Abstract: The invention relates to a lubricating composition comprising (a) a compound derived from a hydroxy-carboxylic acid, and (b) an oil of lubricating viscosity. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.
    Type: Application
    Filed: December 8, 2009
    Publication date: July 5, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Stuart L. Bartley, Mark R. Baker, Shubhamita Basu
  • Tartaric Acid and Amine Derivatives in Crankcase Oils and Fuel Compositions adn Preparation Thereof
    Publication number: 20120165234
    Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.
    Type: Application
    Filed: March 1, 2012
    Publication date: June 28, 2012
    Applicant: The Lubrizol Corporation
    Inventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
  • Polymer Blends Useful as Viscosity Modifiers
    Publication number: 20120157364
    Abstract: The disclosed invention relates to a composition comprising an oil of lubricating viscosity, a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the polymer is optionally functionalized, and a star polymer. Use of the composition as a lubricating composition is disclosed.
    Type: Application
    Filed: July 6, 2010
    Publication date: June 21, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Jack C. Kelley, Chor Huang
  • Tartaric acid derivatives as fuel economy improvers and antiwear agents in crankcase oils and preparations thereof
    Patent number: 8198222
    Abstract: Formulations using tartaric compounds of the present invention in a low sulfur, low ash and low phosphorous lubricant lower wear, and friction and improves fuel economy.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: June 12, 2012
    Assignee: The Lubrizol Corporation
    Inventors: Jody Kocsis, Jonathan S. Vilardo, Jason R. Brown, Daniel E. Barrer, Richard J. Vickerman, Patrick E. Mosier
  • Quaternary Ammonium Amide and/or Ester Salts
    Publication number: 20120138004
    Abstract: The invention relates to quaternary ammonium amide and/or ester salts and their use as additives, including their use in fuels, such as diesel fuel. The invention particularly relates to the use of quaternary ammonium amide and/or ester salts as detergents in diesel fuels.
    Type: Application
    Filed: May 6, 2010
    Publication date: June 7, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Paul R. Stevenson, James C. Ray, David J. Moreton, James H. Bush
  • Antiwear Containing Lubricating Composition
    Publication number: 20120142565
    Abstract: The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention further provides for a method of lubricating a driveline device by using a lubricating composition.
    Type: Application
    Filed: February 9, 2012
    Publication date: June 7, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: James N. Vinci, Michael E. Huston, Denise R. Vermilya, Charla A. Ramsey, Roger L. Sowerby
  • Alkali metal borate and lubricating compositions thereof
    Patent number: 8193130
    Abstract: The present invention relates to a lubricating composition containing an alkali metal borate. The invention further provides for a method of lubricating a device with grease or a metalworking fluid by employing the lubricating composition containing the alkali metal borate.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: June 5, 2012
    Assignee: The Lubrizol Corporation
    Inventors: William C. Ward, Richard A. Denis
  • Lubricating Composition Containing Friction Modifier and Viscosity Modifier
    Publication number: 20120135899
    Abstract: A lubricant composition suitable for lubricating an internal combustion engine comprises: (a) an oil of lubricating viscosity having a viscosity index of at least 105 and a kinematic viscosity at 100 C of less than 7 mm2s-1; (b) 0.01 to 2 weight percent of a friction modifier represented by the structure [I]; (c) 0.5 to 4 weight percent of a poly(meth)acrylate viscosity modifier polymer; (d) 0 to 500 parts per million by weight of molybdenum in the form of an oil-soluble molybdenum compound; and (e) 0 to 200 parts per million by weight of boron in the form of an oil-soluble boron compound.
    Type: Application
    Filed: June 2, 2010
    Publication date: May 31, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Jody A. Kocsis, Brent R. Dohner, Haihu Qin, Marina Baum
  • Polymethacrylates as High VI Viscosity Modifiers
    Publication number: 20120135902
    Abstract: A lubricating composition contains an oil of lubricating viscosity and 0.5 to 10 percent by weight of a poly (meth)acrylate viscosity modifier polymer comprising (i) 15 weight percent to 35 weight percent monomer units of methyl (meth) acrylate, (ii) 0 to 10 weight percent monomer units of one or more C2-C6 alkyl (meth)acrylates, (iii) 50 to 85 weight percent monomer units of one or more C8-C30 alkyl (meth)acrylates, and (iv) 0 to 10 weight percent monomer units of one or more nitrogen-containing monomers. Such a lubricating composition exhibits a high viscosity index and may impart improved fuel economy to an internal combustion engine.
    Type: Application
    Filed: June 2, 2010
    Publication date: May 31, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Marina Baum, Haihu Qin, Brent R. Dohner
  • Multi-Dispersant Lubricating Composition
    Publication number: 20120135898
    Abstract: The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition.
    Type: Application
    Filed: February 6, 2012
    Publication date: May 31, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
  • Lubricant additive formulation containing multifunctional dispersant
    Patent number: 8183187
    Abstract: The present invention provides a lubricating composition comprising (a) an oil of lubricating viscosity; (b) a friction modifier; (c) a corrosion inhibitor; (d) an antiwear agent; and (e) a product prepared by heating together: (i) a dispersant; (ii) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole, or oligomers thereof; (iii) a borating agent;and (iv) optionally a dicarboxylic acid of an aromatic compound selected from the group consisting of 1,3 diacids and 1,4 diacids, or (v) optionally a phosphorus acid compound, said heating being sufficient to provide a product of (i), (ii), (iii) and optionally (iv), which is soluble in an oil of lubricating viscosity. The invention further provides a use for the lubricating composition in a transmission.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: May 22, 2012
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, Craig D. Tipton
  • Ashless Controlled Release Gels for Fuels
    Publication number: 20120117859
    Abstract: The present invention relates to a control release gel for delivery of additives to fuels where the gel compositions are free of ash producing components, or are substantially free of ash producing components, such that the gel compositions of the present invention do not supply any ash to the fuel compositions with which they are used. Further, the invention provides for the use of such compositions in the operation of an internal combustion engine.
    Type: Application
    Filed: April 29, 2010
    Publication date: May 17, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: David B. Skursha, Frank M. Van Lier, James D. Burrington, Gary A. Garvin
  • Imides and Bis-Imides as Friction Modifiers in Lubricants
    Publication number: 20120122744
    Abstract: A composition is provided for use as a friction modifier for an automatic transmission, which comprises a condensation product of a hydroxypolycarbox-ylic acid, such as 2,3-di-hydroxybutanedioic acid or 2-hydroxybutanedioic acid, with an N,N-di(hydrocarbyl)alkylenediamine, where each hydrocarbyl group contains 1 to 22 carbon atoms, provided that the total number of carbon atoms in the two hydrocarbyl groups is at least about 9, and the alkylene group contains 2 to 4 carbon atoms.
    Type: Application
    Filed: May 10, 2010
    Publication date: May 17, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Daniel J. Saccomando, Richard J. Vickerman
  • Internal Combustion Engine Lubricant
    Publication number: 20120111300
    Abstract: The invention provides a composition containing an oil of lubricating viscosity and an N-substituted malimide. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Application
    Filed: May 4, 2010
    Publication date: May 10, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Seth L. Crawley, Jody A. Kocsis, Suzanne M. Patterson
  • Lubricating Composition Containing a Malic Acid Derivative
    Publication number: 20120115761
    Abstract: The invention relates to a lubricating composition containing (a) an N-substituted malimide, and (b) an oil of lubricating viscosity. The invention further provides for the use of the lubricating composition for lubricating a limited slip differential.
    Type: Application
    Filed: May 10, 2010
    Publication date: May 10, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventor: Shubhamita Basu
  • Dispersant viscosity modifiers based on maleic anhydride-styrene copolymers
    Patent number: 8168574
    Abstract: An interpolymer composition comprising monomer-derived units of (i) at least one of an aliphatic olefin containing from 2 to 30 carbon atoms and a vinyl aromatic monomer, and (ii) at least one alpha, beta-unsaturated acylating agent; wherein a portion of said acylating agent monomers is esterified and wherein a portion of said acylating agent monomers is condensed with at least one aromatic amine, provides good viscosity modification and dispersancy performance.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: May 1, 2012
    Assignee: The Lubrizol Corporation
    Inventors: Daniel Visger, Daniel Vargo, Barton Schober, Suzanne Patterson, Patrick E Mosier, Christopher Friend, John Pudelski, Michael J Covitch, Calvin James, David Price, Leonard E Orzech
  • Process for preparing high concentration dispersions of lithium hydroxide monohydrate and of anhydrous lithium hydroxide oils
    Patent number: 8168146
    Abstract: The disclosed technology relates to a dispersion comprising LiOH and/or LiOH.H2O particulates dispersed in an organic medium comprising at least one oil and at least one surfactant, the concentration of LiOH and/or LiOH.H2O particulates in the dispersion being greater than 10% by weight, the LiOH and/or LiOH.H2O particulates having a mean particle size in the range up to about 10 microns wherein at least about 99% by weight of the LiOH particulates have a particle size in the range up to about 20 microns. A process for making the dispersion is disclosed. Grease compositions made using the dispersion are disclosed.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: May 1, 2012
    Assignee: The Lubrizol Corporation
    Inventors: David M. Hobson, Alex F. Psaila
  • Ashless or Reduced Ash Quaternary Detergents
    Publication number: 20120101012
    Abstract: A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition.
    Type: Application
    Filed: March 1, 2010
    Publication date: April 26, 2012
    Applicant: The Lubrizol Corporation
    Inventors: Ewan E. Delbridge, Virginia A. Carrick, John K. Pudelski, Matthew D. Gieselman, Christopher L. Friend, Patrick E. Mosier, Michelle M. Rogers, Mark T. Tierney
  • Lubricant for hydrogen-fueled engines
    Patent number: 8163681
    Abstract: A lubricant composition of a synthetic oil of lubricating viscosity, 3 to 6 percent by weight of a nitrogen-containing dispersant, 1 to 2.5 weight percent of an overbased magnesium detergent, 1 to 5 weight percent of an antioxidant; and 0.25 to 1.5 weight percent of a friction modifier is useful for lubricating a hydrogen-fueled engine. The composition will typically contain less than 0.01 weight percent Ca, less than 0.01 weight percent Zn, less than 0.06 weight percent P, and will have a sulfated ash level of less than 1.2%.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: April 24, 2012
    Assignee: The Lubrizol Corporation
    Inventors: Ewa Bardasz, William B. Chamberlain
  • Lubricant composition for a final drive axle
    Patent number: 8153565
    Abstract: A lubricant composition for a final drive axle oil comprising an oil of lubricating viscosity, one or more dispersants and one or more phosphorus compounds wherein the kinematic viscosity of the lubricant composition at 100° C. is greater than 10 mm2/s and wherein the amount by weight of the dispersant is greater than the amount by weight of the phosphorus compounds and any sulfur compounds which may optionally be present.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: April 10, 2012
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, Thomas A. Tagliamonte