Patents by Inventor Silke Türk

Silke Türk 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).

  • Electroluminescent polymers and the use thereof
    Patent number: 7947382
    Abstract: The present invention relates to polymers which contain novel structural units of the formula (I). The materials according to the invention exhibit improved efficiency and a longer lifetime on use in a polymeric organic light-emitting diode.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: May 24, 2011
    Assignee: Merck Patent GmbH
    Inventors: Arne Büsing, Susanne Heun, Silke Türk, Corinna Leske
  • Conjugated polymers containing dihydrophenanthrene units and use thereof
    Patent number: 7723455
    Abstract: The invention relates to conjugated polymers containing novel structural units according to formula (1). The inventive materials are characterized by increased efficiency and a longer service life when used in polymer organic light emitting diodes.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: May 25, 2010
    Assignee: Merck Patent GmbH
    Inventors: Heinrich Becker, Esther Breuning, Arne Büsing, Aurélie Ludemann, Corinna Leske, Hubert Spreitzer, Silke Türk