Patents by Inventor J?uuml;rgen Ziehl

J?uuml;rgen Ziehl 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).

  • Use of polymers as filtering aids and/or stabilizers
    Publication number: 20040094486
    Abstract: The use of polystyrene-containing polymers as filter aids and/or stabilizers for the filtration or stabilization of aqueous liquids, and also novel particulate polymers which are insoluble in water and scarcely swellable are claimed.
    Type: Application
    Filed: April 2, 2003
    Publication date: May 20, 2004
    Inventors: Christian Drohmann, Helmut Witteler, Axel Sanner, J?uuml;rgen Ziehl, Elisa Hamm de Bantleon, Tobias Petsch, Klemens Mathauer, Barabara Lebtig