Patents by Inventor Mary B. Tipton

Mary B. Tipton 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).

  • Vernonia oil modification of epoxy resins
    Patent number: 5227453
    Abstract: High solids coating compositions are made from organic solvent solutions of the reaction product of a diglycidyl ether of a dihydric phenol, vernonia oil and a dihydric phenol.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: July 13, 1993
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: Jim D. Elmore, William J. DeGooyer, Mary B. Tipton, John H. Kaiser