Patents by Inventor Christopher L. Kulp

Christopher L. Kulp 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).

  • Starchfoam products with improved flexibility/compressibility and the method of preparation thereof
    Patent number: 5863342
    Abstract: An expanded shaped product with improved flexural compressibility and surface properties comprising starch and a hydrophobically modified acid anhydride or its acid hydrolyzed counterpart and the method of preparing such product by extrusion.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: January 26, 1999
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: John Tsai, Christopher L. Kulp, Walter Maliczyszyn, Paul A. Altieri, David C. Rawlins
  • Starch foam products with improved flexibility/compressibility and the method of preparation thereof
    Patent number: 5756556
    Abstract: An expanded shaped product with improved flexural compressibility and surface properties comprising starch and a hydrophobically modified acid anhydride or its acid hydrolyzed counterpart and the method of preparing such product by extrusion.
    Type: Grant
    Filed: November 18, 1996
    Date of Patent: May 26, 1998
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: John Tsai, Christopher L. Kulp, Walter Maliczyszyn, Paul A. Altieri, David C. Rawlins