Patents by Inventor by Birgit Hartung-Merse, heir

by Birgit Hartung-Merse, heir 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: 4885418
    Abstract: According to the invention, metal halides are removed from liquid organic water-immiscible substances by treating the liquid organic water-immiscible substances which contain the metal halides with a water-containing anion-exchanger in the OH form.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: December 5, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Sigurd Hartung, deceased, by Birgit Hartung-Merse, heir, Uwe Beck, Ulrich Kappler, Alfred Mitschker, Andreas Grafe