Patents by Inventor Sybille Berg

Sybille Berg 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).

  • Solutions of polymer semiconductors
    Patent number: 7252781
    Abstract: The present invention relates to a process for producing particle-free solutions of polymeric semiconductors and to their use for producing layers of polymeric semiconductors in polymeric organic light-emitting diodes (PLEDs), organic integrated circuits (O-ICs), organic field effect transistors (OFETs), organic thin film transistors (OTFTs), organic solar cells (O-SCs) or organic laser diodes (O-lasers).
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: August 7, 2007
    Assignee: Merck Patent GmbH
    Inventors: Hubert Spreitzer, Heinrich Becker, Willi Kreuder, Sybille Berg, Andreas Sauer