Patents by Inventor Petra Mertesdorf

Petra Mertesdorf 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).

  • Metallized cation exchange membrane
    Patent number: 5906716
    Abstract: Metallized cation-exchange membrane The present invention relates to a membrane/electrode composite comprising a membrane comprising a polymeric cation exchanger containing carboxylic acid, phosphonic acid or sulfonic acid groups, which cation exchanger is soluble in a solvent, where on at least one side of the membrane there are applied finely divided metals which catalyze the formation of water from H.sub.2 and O.sub.2. The part of the membrane covered with metal is porous, but contains no closed pores, and the metal can also be present in the pores.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: May 25, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Petra Mertesdorf, Arnold Schneller, Reinhard Wagener, Helmut Witteler