Patents Represented by Attorney Christopher D. Hilker
  • Patent number: 7534747
    Abstract: A soot reducing media that reduces the soot content in lubricating oil in an engine. Further a process employing a gel to decrease the amount of soot in the lubricating oil of an engine and/or decrease the emissions from an engine.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: May 19, 2009
    Assignee: The Lubrizol Corporation
    Inventors: James D. Burrington, Herman F. George, John R. Martin, Ralph E. Kornbrekke
  • Patent number: 7509855
    Abstract: Sensor manifolds include a housing having at least two fluid flow passages communicating with fluid entry and exit ports in the housing that are connectable in line in a full flow fluid line in a system. One or more sensor ports in the housing communicate with one or more of the flow passages for housing one or more sensors for sensing one or more characteristics, qualities or conditions of the fluid flowing through the housing without subjecting the sensor to the full fluid flow through the housing.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: March 31, 2009
    Assignee: The Lubrizol Corporation
    Inventor: Gary A. Garvin
  • Patent number: 7456136
    Abstract: A linear compound and a metal salt or boron-containing metal salt thereof contains one or more carboxyl-containing phenol units or derivatives thereof and one or more on average at least C18 hydrocarbyl-substituted hydroxyaromatic units or derivatives thereof connected by one or more divalent bridging groups. A concentrate contains the linear compound or metal salt thereof and an organic diluent. A lubricating oil composition contains a minor amount of the linear compound or metal salt thereof and a major amount of a lubricating oil. Additional embodiments of the invention are processes to make the linear compound and the metal salt thereof.
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: November 25, 2008
    Assignee: The Lubrizol Corporation
    Inventors: David J. Moreton, Stephen J. Cook, David Cressey
  • Patent number: 7435707
    Abstract: The invention relates to a novel emulsified composition containing (a) major amount of an aqueous phase, (b) a minor amount of an organic phase (c) a thickener and (d) a minor but effective amount of at least one emulsifier to emulsify the aqueous and organic phase resulting in a water in oil emulsifeid composition, in particular emulsified greases and emulsified coatings. Further, the present invention provides a process for making the emulsified composition.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: October 14, 2008
    Assignee: The Lubrizol Corporation
    Inventors: Deborah A. Langer, Brian B. Filippini, Thomas F. Steckel, David L. Westfall, Richard A. Denis
  • Patent number: 7417012
    Abstract: A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as an oil thereby serving as a lubricant fluid such as an oil thereby.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: August 26, 2008
    Assignee: The Lubrizol Corporation
    Inventors: James D. Burrington, Bruce H. Grasser, Herman F. George, John R. Martin, John K. Pudelski, James P. Roski, Barbara L. Soukup, Melinda E. Bartlett
  • Patent number: 7413583
    Abstract: The invention relates to the use of an emulsified fuel in combination with an engine oil that shows a synergistic effect in reducing emissions such as particulate matter, hydrocarbons and/or nitrogen oxides (NO, NO2, N2O, collectively NOx) and/or reducing wear from an engine.
    Type: Grant
    Filed: August 22, 2003
    Date of Patent: August 19, 2008
    Assignee: The Lubrizol Corporation
    Inventors: Deborah A. Langer, Ewa A. Bardasz, William D. Abraham
  • Patent number: 7402186
    Abstract: A fuel composition contains (a) a medium substantially free of to free of sulphur; (b) a detergent/dispersant additive; and (c) a liquid fuel where the medium substantially free of to free of sulphur is an aliphatic hydrocarbon solvent, and where the aliphatic hydrocarbon solvent is present from at least about 50 wt % to about 100 wt % of the total amount of the medium. The fuel composition is prepared by a process and is useful in a process, where the fuel composition includes a medium that is a hydrocarbon or a nonhydrocarbon or a mixture thereof, to increase the efficiency of an exhaust after-treatment device of an internal combustion engine.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: July 22, 2008
    Assignee: The Lubrizol Corporation
    Inventors: David L. Spivey, Robert H. Barbour, William B. Chamberlin, III, John K. Pudelski
  • Patent number: 7384896
    Abstract: In accordance with the present invention, it has been discovered that additive gels can provide additives to a functional fluid over time. In accordance with the present invention it has been discovered that an additive gel comprising i.) at least two additives selected from the group comprising detergents, dispersants, acids, bases, over based detergent, succinated polyolefins or mixtures thereof wherein the selected additives when combined form a gel; ii.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: June 10, 2008
    Assignee: The Lubrizol Corporation
    Inventors: Herman F. George, James D. Burrington, John K. Pudelski, James P. Roski, John R. Martin, Jennifer M. Ineman, Gary A. Garvin, Frank M. van Lier, David A. McCaughey
  • Patent number: 7323083
    Abstract: Resinous coatings can be applied to glass, exhibiting improved adhesion thereto, by including in the coating composition a sulfonic acid derived compound such as 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof. Alternatively, the glass can be first coated with the sulfonic acid derived compound and thereafter the film-forming resin applied.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: January 29, 2008
    Assignee: The Lubrizol Corporation
    Inventors: John S. Manka, Todd K. Yonker