Patents by Inventor Kenneth R. Hirsh

Kenneth R. Hirsh 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).

  • Coffee product with reduced malic acid content
    Patent number: 4976983
    Abstract: The invention relates to a coffee product which will evoke a decreased gastric acid response upon ingestion. The coffee product has been processed in such a manner that a majority of the malic acid has been removed from the coffee and, importantly, a majority of the chlorogenic acid has been retained.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: December 11, 1990
    Assignee: Kraft General Foods, Inc.
    Inventors: Kenneth R. Hirsh, Larry M. Schanbacher, Alice S. Cha