Patents by Inventor Hugo Boehm

Hugo Boehm 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).

  • Electrically conductive polypyrrole derivatives
    Patent number: 4401545
    Abstract: Electrically conductive complexes of polypyrroles with nitroaromatic anions are prepared by polymerizing pyrrole, an N-alkylpyrrole and/or an N-arylpyrrole by anodic oxidation in a polar solvent, in the presence of a salt of an acidic nitroaromatic compound.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: August 30, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Naarmann, Dieter Naegele, Klaus Penzien, Johannes Schlag, Volker Kiener, Hugo Boehm