Patents by Inventor Thomas P. O'Hearn

Thomas P. O'Hearn 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).

  • Molding compositions
    Patent number: 4595734
    Abstract: Epoxide-vinyl ester resins having significant amounts of epoxide and ethylenically unsaturated groups may be thickened by reaction thereof with polyfunctional amines. The resulting resinous products, when molded at elevated temperatures, exhibit increased viscosity and controlled flow.
    Type: Grant
    Filed: June 4, 1985
    Date of Patent: June 17, 1986
    Assignee: Interplastic Corporation
    Inventor: Thomas P. O'Hearn