Patents by Inventor Karl H Renkel

Karl H Renkel 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).

  • Catalyst and method for producing vinyl acetate
    Patent number: 6696596
    Abstract: A process for preparing vinyl acetate in the gas phase from ethylene, acetic acid and oxygen or oxygen-containing gases over a catalyst, consisting essentially of palladium and/or its compounds, gold and/or its compounds and alkali metal compounds on a support, wherein the catalyst further comprises vanadium and/or its compounds and catalyst therefrom.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: February 24, 2004
    Assignee: Celanese Chemicals Europe GmbH
    Inventors: Bernhard Herzog, Axel Schafer, Karl H Renkel