Patents by Inventor Wolfgang J. Poepel

Wolfgang J. Poepel 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).

  • Preparation of iron-, potassium- and cerium-containing catalysts
    Patent number: 5559066
    Abstract: A process for the preparation of iron-, potassium- and cerium-containing catalysts for the dehydrogenation of hydrocarbons from the same spent catalysts (regeneration) by grinding and, if necessary, purifying the spent material, restoring the original activity by adjusting the composition and restoring the external shape comprises adding to the ground material an effective amount of potassium and such an amount of cerium that the total amount of cerium is greater than the amount originally present.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: September 24, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang J. Poepel, Gregor Tremmel, Wolfgang Buechele, Axel Deimling, Hermann Petersen