Patents by Inventor Brian K. Teeter

Brian K. Teeter 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).

  • Method to improve humidity resistance of phenolic urethane foundry binders
    Patent number: 6365646
    Abstract: An embodiment of the present invention provides a method for improving the tensile strength of foundry cores and molds. More particularly, an embodiment of the present invention provides an improved binder for foundry cores and molds that include a fluoride bearing acid in combination with an inorganic silicon compound. Alternately, the improved binder may include a fluoride bearing acid in combination with a boron compound. In a preferred embodiment, a modified part 1 binder component includes a combination of hydrofluoric acid and an inorganic silicon compound.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: April 2, 2002
    Assignee: Borden Chemical, Inc.
    Inventors: Robert A. Laitar, Brian K. Teeter, Kwok-tuen Tse, Leonid S. Zaretskiy