Patents by Inventor Heinrich Becker Zum

Heinrich Becker Zum 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).

  • Conjugated polymers containing special fluorene structural elements with improved properties
    Patent number: 6653438
    Abstract: The invention relates to novel polymers containing fluorene structural elements, monomer parent compounds upon which said polymers are based, and the use of said inventive polymers as organic semiconductors and/or as electroluminescent material, in addition to electroluminescent devices containing said polymers.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: November 25, 2003
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Hubert Spreitzer, Heinrich Becker Zum, Willi Kreuder