Patents by Inventor Gary H. Kestenbaum

Gary H. Kestenbaum 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).

  • High molecular weight gallotannins as a stain-inhibiting agent for food dyes
    Patent number: 5639500
    Abstract: Selected high molecular weight gallotannins are incorporated into FD&C dye-containing foodstuffs to prevent staining of polymeric substrates such as wool or nylon rugs and clothing. Gallotannins from sumac leaves and Chinese nut galls are effective at levels of 50 ppm or below.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: June 17, 1997
    Assignee: Kraft Foods, Inc.
    Inventors: Robert W. Fusi, Gary H. Kestenbaum, Sigmund L. Klug
  • High molecular weight gallotannins as a stain-inhibiting agent for food dyes
    Patent number: 5571551
    Abstract: Selected high molecular weight gallotannins are incorporated into FD&C dye-containing foodstuffs to prevent staining of polymeric substrates such as wool or nylon rugs and clothing. Gallotannins from sumac leaves and Chinese nut galls are effective at levels of 50 ppm or below. This invention is useful in foodstuffs which are not subject to oxidation.
    Type: Grant
    Filed: February 23, 1994
    Date of Patent: November 5, 1996
    Assignee: Kraft Foods, Inc.
    Inventors: Robert W. Fusi, Gary H. Kestenbaum, Sigmund L. Klug