Patents by Inventor Karel J. Kriel

Karel J. Kriel 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).

  • Hydrogenation process
    Patent number: 8324434
    Abstract: The present invention provides an improved hydrogenation processes wherein heat is efficiently managed so that catalyst productivity is optimized. More particularly, in the processes of the present invention, a nonaqueous solvent is added to a reactant to provide a nonaqueous solvent/reactant mixture that can act as a heat sink and absorb at least a portion of the heat generated within the reactor. Desirably, a reaction product, or a solvent with a minimal number of hydroxyl groups, is utilized so that the formation of unwanted byproducts can be minimized.
    Type: Grant
    Filed: February 28, 2009
    Date of Patent: December 4, 2012
    Assignee: Dow Global Technologies, LLC
    Inventors: David C. Molzahn, Kenneth A. Burdett, William L. Gibson, Karel J. Kriel, James E. McCreight, Indresh Mathur