Patents by Inventor Leendert Deij

Leendert Deij 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 organic media which also contain arsenic
    Patent number: 5338444
    Abstract: Process for removing mercury from an organic medium which at least contains mercury and arsenic, wherein the organic medium is contacted with a solid polymeric substrate containing thiol groups bound to the polymeric substrate through aliphatic groups.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: August 16, 1994
    Assignee: The Dow Chemical Company
    Inventors: Frederik R. van Buren, Leendert Deij, Gunnar Merz, Hans P. Schneider