Patents by Inventor Hans Grethlein

Hans Grethlein 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).

  • Dietary fibers and a process for their production
    Patent number: 4997665
    Abstract: Dietary fiber of enhanced functional properties and a novel antioxidant activity is prepared by mixing a slurry of a lignocellulose plant fiber while heating it and maintaiing it as a liquid until the functional properties of the fiber are enhanced and the fiber acquires an antioxidant property.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: March 5, 1991
    Assignee: Michigan Biotechnology Institute
    Inventor: Hans Grethlein