Patents by Inventor Heinz Hurwitz

Heinz Hurwitz 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).

  • Bipolar membrane and method for fabricating such bipolar membrane
    Patent number: 6217733
    Abstract: A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate and/or sulphite, including less than 0.01 mol % of indium, cerium, manganese and copper sulphates gel, is formed.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: April 17, 2001
    Assignees: Solvay (Societe Anonyme), Electricite de France
    Inventors: Heinz Hurwitz, Rachid El Moussaoui