Patents by Inventor James V. Griepenburg

James V. Griepenburg 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 system for producing chlorine dioxide
    Patent number: 5391533
    Abstract: A catalyst contains at least one Group VIII metal and/or Group VIII metal oxide deposited on internal surfaces of a support which contains a sintered agglomerate substrate which is preferably coated with a hydrated metal oxide.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: February 21, 1995
    Assignee: AMTX, Inc.
    Inventors: Thomas H. Peterson, James V. Griepenburg, Kevin F. Keating