Patents by Inventor D. Eric Tupper

D. Eric Tupper 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).

  • Patent number: 5536764
    Abstract: Board coating compositions are provided comprising a cationic starch and a vinyl acetate polymerization product as protein binder substitutes.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: July 16, 1996
    Assignee: Penford Products Company
    Inventors: Charles C. Nguyen, D. Eric Tupper