Patents by Inventor Silke Annika Koehler

Silke Annika Koehler 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).

  • SEMICONDUCTOR MATERIALS PREPARED FROM RYLENE-(PI-ACCEPTOR)COPOLYMERS
    Publication number: 20110120558
    Abstract: Disclosed are new semiconductor materials prepared from rylene-(?-acceptor) copolymers. Such copolymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.
    Type: Application
    Filed: February 5, 2009
    Publication date: May 26, 2011
    Inventors: Antonio Facchetti, Zhihua Chen, He Yan, Shaofeng Lu, Tobin J. Marks, Yan Zheng, Marcel Kastler, Subramanian Vaidyanathan, Florian Doetz, Silke Annika Koehler
  • PERYLENE SEMICONDUCTORS AND METHODS OF PREPARATION AND USE THEREOF
    Publication number: 20100319778
    Abstract: The present teachings provide semiconducting compounds, materials prepared from such compounds, methods of preparing such compounds and semiconductor materials, as well as various compositions, composites, and devices that incorporate the compounds and semiconductor materials. Specifically, compounds of the present teachings can have higher electron-transport efficiency and higher solubility in common solvents compared to related representative compounds.
    Type: Application
    Filed: February 5, 2009
    Publication date: December 23, 2010
    Applicants: BASF SE, POLYERA CORPORATION
    Inventors: Marcel Kastler, Subramanian Vaidyanathan, Florian Doetz, Silke Annika Koehler, He Yan, Antonio Facchetti, Shaofeng Lu, Yan Zheng