Patents by Inventor Christopher Dudding

Christopher 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).

  • Process for Producing Zinc Dialkyldithiophosphates Exhibiting Improved Seal Compatibility Properties
    Publication number: 20080026966
    Abstract: In general terms, the present invention includes a process for producing a new zinc dialkyldithiophosphate (ZDDP) offering improved seal compatibility characteristics in engine and transmission oil packages. The present invention additionally includes zinc dialkyldithiophosphate produced in accordance with the disclosed methodologies, and oil additives, lubricants, and engines and transmission comprising the zinc dialkyldithiophosphate of the present invention.
    Type: Application
    Filed: October 2, 2007
    Publication date: January 31, 2008
    Inventors: Paul Thomson, Peter Growcott, Roger Sheets, Abbas Kadkhodayan, Christopher Dudding
  • Additives and lubricant formulations for improved antiwear properties
    Publication number: 20060014651
    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: Application
    Filed: July 19, 2004
    Publication date: January 19, 2006
    Inventors: Carl Esche, Christopher Dudding, Peter Growcott, Anthony Fagan, Andrew Robertson
  • Process for producing zinc dialkyldithiophosphates exhibiting improved seal compatibility properties
    Publication number: 20050101802
    Abstract: In general terms, the present invention includes a process for producing a new zinc dialkyldithiophosphate (ZDDP) offering improved seal compatibility characteristics in engine and transmission oil packages. The present invention additionally includes zinc dialkyldithiophosphate produced in accordance with the disclosed methodologies, and oil additives, lubricants, and engines and transmission comprising the zinc dialkyldithiophosphate of the present invention.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 12, 2005
    Inventors: Paul Thomson, Peter Growcott, Roger Sheets, Abbas Kadkhodayan, Christopher Dudding