Patents by Inventor Elke Kossel

Elke Kossel 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).

  • Solid zeolite granulates having improved abrasion resistance, and methods of making them
    Patent number: 6680271
    Abstract: Zeolite granulates having improved abrasion resistance, obtained by spraying the zeolite granulates with an aqueous silica sol solution and then optionally drying and calcining them.
    Type: Grant
    Filed: June 20, 2000
    Date of Patent: January 20, 2004
    Assignee: Grace GmbH & Co. KG
    Inventors: Frank Heindl, Eckehart Roland, Elke Kossel, Oliver Feuer