Patents by Inventor Marcus Bongen

Marcus Bongen 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).

  • Process for removing mercury from alkali metal alkoxide solutions
    Patent number: 6156214
    Abstract: A three-stage process for removing mercury contaminants from alcoholic alkali metal alkoxide solutions is provided, in which mercury is depleted in a first filtration through inert fibrous material, followed by a second filtration through pulverized coal, and then by concentration by distillation, to preferably provide a mercury content below 0.1 ppm.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: December 5, 2000
    Assignee: Huels Aktiengesellschaft
    Inventors: Marcus Bongen, Marcel Feld, Guenter Zoche