Patents by Inventor Christopher J. Dudding

Christopher J. Dudding has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Titanium-containing lubricating oil composition
    Patent number: 7879774
    Abstract: A fully formulated lubricating oil, lubricated surface, and lubricant additive concentrates for lubricants providing reduced sludge formation. The fully formulated lubricating oil composition has therein at least one succinimide dispersant derived from a polyalkylene compound having from about 50 to about 85% vinylidene double bonds in the compound, a metal containing detergent, at least one wear reducing agent, at least one antioxidant, and a hydrocarbon soluble titanium compound as a friction modifier. The lubricating oil composition is also substantially free of molybdenum compounds.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: February 1, 2011
    Assignee: Afton Chemical Corporation
    Inventors: William Y. Lam, John T. Loper, Carl K. Esche, Jr., Christopher J. Dudding, Peter Growcott, Anthony Fagan, Andrew Robertson, Gregory H. Guinther
  • Additives and lubricant formulations for improved antiwear properties
    Patent number: 7615519
    Abstract: A lubricated surface and method for reducing wear between metal parts. The lubricated surface contains a base oil of lubricating viscosity and an amount of a hydrocarbon soluble titanium compound effective to provide a reduction in surface wear greater than a surface wear of a lubricant composition devoid of the hydrocarbon soluble titanium compound.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: November 10, 2009
    Assignee: Afton Chemical Corporation
    Inventors: Carl K. Esche, Jr., Christopher J. Dudding, Peter Growcott, Anthony Fagan, Andrew Robertson