Patents by Inventor Walter Seliger

Walter Seliger 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).

  • Polyphenylenevinylene photoconductor composition sensitized with a 1,4-bis (styryl) benzene derivative
    Patent number: 3992203
    Abstract: Electrophotographic recording material is disclosed comprising at least one polyphenylenevinylene having a molecular weight greater than 2,000 g/mol and at least one 1,4-bis (styryl) benzene derivative.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: November 16, 1976
    Assignee: VEB Pentacon Dresden
    Inventors: Hans-Heinrich Horhold, Joachim Gottschaldt, Regina Bergmann, Johannes Opfermann, Walter Seliger, Siegfried Augst, Hartmut Arnstadt
  • Photo-conductive coating containing Ge, S, and Pb or Sn
    Patent number: 3966470
    Abstract: As a photoconductive material there is provided a carrier having a coating thereon of a germanium-sulphur-lead alloy or a germanium-sulphur-tin alloy.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: June 29, 1976
    Assignee: VEB Pentacon Dresden
    Inventors: Adalbert Feltz, Johannes Opfermann, Bernd Voigt, Walter Seliger