Patents by Inventor Paul J. Gelling

Paul J. Gelling 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).

  • Continuous production of phenol-formaldehyde resin and laminates produced therefrom
    Patent number: 4413113
    Abstract: A process is disclosed whereby water-soluble phenol-formaldehyde resins are produced from molten phenol and particulate paraformaldehyde in the presence of an alkaline catalyst by reacting in a coil container at a temperature ranging from about 90.degree. C. to 120.degree. C. Apparatus for conducting the reaction and decorative laminates produced from the resultant resin are also disclosed.
    Type: Grant
    Filed: March 17, 1982
    Date of Patent: November 1, 1983
    Assignee: Formica Limited
    Inventors: Paul J. Gelling, James E. B. Hunt, John D. Marshman