Patents by Inventor Heinrich Sontheimer

Heinrich Sontheimer 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).

  • Method for regenerating anion exchange resins in bicarbonate form
    Patent number: 4299922
    Abstract: Charged anion exchange resins, which are used for the removal of strong acid ions from water, are regenerated to their bicarbonate form by contacting them with an aqueous treating medium containing calcium carbonate and carbon dioxide.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: November 10, 1981
    Assignee: Kernforschungszentrum Karlsruhe, Gmbh
    Inventors: Wolfgang Holl, Karl-Ekkehard Sester, Siegfried H. Eberle, Heinrich Sontheimer