Patents by Inventor Rienhold Schwalm

Rienhold Schwalm 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).

  • Compounds based on fluoranthene and use thereof
    Publication number: 20070063189
    Abstract: The invention relates to fluoranthene derivatives of the general formula (I) in which R1, R2, R3 and a are each defined according to the description, with the proviso that at least one of the R1 or R2 radicals is not hydrogen, to processes for their preparation and to the use of the fluoranthene derivatives as emitter molecules in organic light-emitting diodes (OLEDs), to a light-emitting layer comprising the inventive fluoranthene derivatives as emitter molecules, to an OLED comprising the inventive light-emitting layer and to devices comprising the inventive OLED.
    Type: Application
    Filed: September 9, 2004
    Publication date: March 22, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Rienhold Schwalm, Yvonne Heischkel, Andreas Fechtenkotter, Joachim Rosch, Florian Dotz