Patents by Inventor Rodney McAtee

Rodney McAtee 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).

  • Publication number: 20060247140
    Abstract: A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof and (a)(ii) an organic nitrogen-containing base reacted with acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.
    Type: Application
    Filed: January 21, 2004
    Publication date: November 2, 2006
    Inventors: David Cressey, David Price, Christopher Friend, Virginia Carrick, David Moreton, David Durham, Rodney McAtee, Michael Sutton
  • Publication number: 20050148477
    Abstract: The present invention provides a composition comprising: (a) a metal salixarate; (b) at least one additive selected from the group consisting of (1) an antioxidant; (2) a friction modifier; (3) a dispersant; (4) a viscosity modifier; (5) a dispersant viscosity modifier; and (6) an antiwear agent other than a metal hydrocarbyl dithiophosphate; and (c) an oil of lubricating viscosity, wherein the composition contains 400 ppm or less of phosphorus derived from a metal hydrocarbyl dithiophosphate. The invention further provides a process for preparing the composition and its use.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 7, 2005
    Applicant: The Lubrizol Corporation
    Inventors: Christopher Friend, Rodney McAtee, Michael Sutton, David Cressey