Patents by Inventor Mark W. Hunt

Mark W. Hunt 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).

  • Oxidative passivation of polyamine-dispersants
    Patent number: 4379064
    Abstract: Mild oxidation of polyamine crankcase dispersants passivates basically reacting polyamine dispersants to fluorocarbon compositions used in engines.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: April 5, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: John A. Cengel, Mark W. Hunt, Joseph S. Strukl, Peter G. Pappas