Patents Assigned to Merck Patent Gesellschaft mit beschrank Haftung
  • Mono-, Oligo- and poly-difluorovinyl-(hetero)arylenes, their synthesis and their use as charge transport materials
    Patent number: 6824706
    Abstract: The invention relates to new mono-, oligo- and poly-difluorovinyl(hetero)arylenes comprising one or more identical or different recurring units of formula I wherein D, D′, Ar, a and b have the meanings as defined in herein. Furthermore the inventions relates to their synthesis, their use as semiconductors or charge transport materials and their different applications.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: November 30, 2004
    Assignee: Merck Patent Gesellschaft mit beschrank Haftung
    Inventors: Martin Heeney, Louise Farrand, Mark Giles, Marcus Thompson, Steven Tierney, Maxim Shkunov, David Sparrowe, Iain McCulloch