Patents by Inventor John Michael Citterbart

John Michael Citterbart 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).

  • Patent number: 6001769
    Abstract: Compositions and methods for decreasing chemical contamination in subsurface water bearing geological formations, comprising an oxidized form of lignitic coal, or its derivatives, preferably leonardite, and at least one surface active agent. The compositions can be applied to an affected water bearing formation by conventional groundwater management methods, e.g., injection wells and groundwater extraction systems.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: December 14, 1999
    Assignee: Correctivaction, LLC
    Inventors: John Michael Citterbart, Sam Kumar
  • Patent number: 5997749
    Abstract: Compositions and methods for decreasing chemical contamination in subsurface water bearing geological formations, comprising an oxidized form of lignitic coal, or its derivatives, preferably leonardite, and at least one surface active agent. The compositions can be applied to an affected water bearing formation by conventional groundwater management methods, e.g., injection wells and groundwater extraction systems.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: December 7, 1999
    Assignee: Correctivation, LLC
    Inventors: John Michael Citterbart, Sam Kumar