Patents by Inventor Richard C. Bowman

Richard C. Bowman 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).

  • Polyethylene emulsion containing resin binder compositions and processes
    Patent number: 4073761
    Abstract: Compositions which are useful for binding solid, discrete particles are comprised of a liquid one-step phenol formaldehyde resin, a urea resin component such as urea formaldehyde, an accelerator selected from an acid and a salt of an acid, and an aqueous emulsion of polyethylene. The wet mixtures of the foregoing components exhibit improved flow characteristics in intricate molds. The wet mixtures are useful for molding foundry core compositions and consolidated wood compositions that have improved moisture resistance.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: February 14, 1978
    Assignee: Hooker Chemicals & Plastics Corp.
    Inventors: Richard C. Bowman, Daniel J. Kay