Patents by Inventor Richard D. Kerwood

Richard D. Kerwood 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).

  • Dispersant for marine diesel cylinder lubricant
    Patent number: 4948522
    Abstract: A dispersant additive package for cylinder lubricant for marine diesel engines comprising a borated dispersant and a high molecular weight polybutene provides a lubricant with improved viscosity, wear, oxidation and deposit performance.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: August 14, 1990
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Adrian Dunn, Richard D. Kerwood