Patents by Inventor Jim MCGEEHAN

Jim MCGEEHAN 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).

  • LUBRICATING OIL WITH IMPROVED WEAR PROPERTIES
    Publication number: 20120157359
    Abstract: Provided is a lubricating oil composition for internal combustion engines comprising at least one hydrocarbon base stock which is determined to exhibit a 40° C. PVC/100° C. PVC ratio approaching one or greater, and one or more lubricating additives. Also provided is a method for preparing such a composition, which includes determining the 40° C. PVC/100° C. PVC ratio of a hydrocarbon base stock oil, and selecting a hydrocarbon base stock oil which exhibits a 40° C. PVC/100° C. PVC ratio approaching one. One or more lubricating additives is then added to the selected base stock oil.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 21, 2012
    Applicant: Chevron U.S.A. Inc.
    Inventors: Willem VAN DAM, Jim MCGEEHAN, Trevor MILLER, James BOOTH