Patents by Inventor Grenville Holt

Grenville Holt 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).

  • Lubricant system clean-up compositions and methods thereof
    Patent number: 9944878
    Abstract: The present invention relates to a lubricant and/or clean-out composition comprising: (a) a dispersant component comprising a succinimide dispersant and/or a quaternary ammonium salt dispersant; (b) a carrier fluid component; and (c) an optional corrosion inhibitor, as well as methods of cleaning out deposits in a lubricant system, such as a hydraulic system, using such compositions.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: April 17, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Betsy J. Butke, Grenville Holt
  • Lubricant System Clean-Up Compositions and Methods Thereof
    Publication number: 20120247514
    Abstract: The present invention relates a lubricant and/or clean-out composition comprising: (a) a dispersant component comprising a succinimide dispersant and/or a quaternary ammonium salt dispersant; (b) a carrier fluid component; and (c) an optional corrosion inhibitor, as well as methods of cleaning out deposits in a lubricant system, such as a hydraulic system, using such compositions.
    Type: Application
    Filed: October 14, 2010
    Publication date: October 4, 2012
    Applicant: The Lubrizol Corporation
    Inventors: Betsy J. Butke, Grenville Holt