Patents by Inventor KLAUS H. DAMEN

KLAUS H. DAMEN 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).

  • Publication number: 20190334092
    Abstract: The dispiro-oxepine/dispiro-thiapine derivatives for optoelectronic semiconductors is a compound based on a structure having a functionalized dispiro compound of formula (Ia) or (Ib) with the core unit being a seven-membered heterocycle oxepine or thiapine, the derivative being formed by combining (Ia) or (Ib): with two moities selected from K1 and K2: The derivative is used as a hole transporting material in an optoelectronic and/or photoelectrochemical device.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 31, 2019
    Applicants: QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT, ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
    Inventors: KASPARAS RAKSTYS, SANGHYUN PAEK, MUHAMMAD SOHAIL, KLAUS H. DAMEN, MOHAMMAD KHAJA NAZEERUDDIN