Patents by Inventor Ralph Reiger

Ralph Reiger 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).

  • Patent number: 8729220
    Abstract: An organic semiconductor material, layer or component, comprising a copolymer of the formula wherein v and w each generally are from the range 4 to 1000; A is a benzodithiophene repeating unit of the formula II or III and COM is selected from certain arylene-type repeating units, and combinations thereof. The present copolymers, as well as composites thereof, may be used as semiconductor in the preparation of electronic devices such as photodiodes, organic field effect transistors and especially organic photovoltaic devices such as solar cells.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Mathias Dueggeli, Ralph Reiger, Klaus Muellen, Natalia Chebotareva, Dirk Beckmann
  • Publication number: 20110240973
    Abstract: Disclosed is an organic semiconductor material, layer or component, comprising a copolymer of the formula wherein v and w each generally are from the range 4 to 1000; A is a benzodithiophene repeating unit of the formula II or III and COM is selected from certain arylene-type repeating units, and combinations thereof, with further symbols as defined in the claims. The present copolymers, as well as composites thereof, may be used as semiconductor in the preparation of electronic devices such as photodiodes, organic field effect transistors and especially organic photovoltaic devices such as solar cells.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: BASF SE
    Inventors: Mathias Dueggeli, Ralph Reiger, Klaus Muellen, Natalia Chebotareva, Dirk Beckmann