Patents by Inventor Christian Doerr

Christian Doerr 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).

  • NEW CRYSTAL FORM OF AN ORGANIC FLUORESCENT COMPOUND
    Publication number: 20220332715
    Abstract: The present invention relates to a new crystal form of the compound of formula and a process for its preparation. The compound may be used in compositions for inks, paints and plastics, especially in a wide variety of printing systems and is particularly well-suited for security applications.
    Type: Application
    Filed: August 13, 2020
    Publication date: October 20, 2022
    Inventors: Helmut REICHELT, Christian DOERR, Gerd ROLLAR, Hans REICHERT, Oliver SEEGER, Korinna DORMANN
  • Crystal form of a dithiolene metal complex
    Patent number: 11161866
    Abstract: The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: November 2, 2021
    Assignee: BASF SE
    Inventors: Helmut Reichelt, Hans Reichert, Oliver Seeger, Korinna Dormann, Rene Fischer, Christian Doerr
  • NEW CRYSTAL FORM OF A DITHIOLENE METAL COMPLEX
    Publication number: 20200190127
    Abstract: The present invention relates to a new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II), a printing ink formulation for security printing and security documents, comprising the new crystal form of bis(diphenylimidazolidinetrithione-?S4, ?S5)-, (SP-4-1)-nickel(II) as well as its use as IR absorber.
    Type: Application
    Filed: September 18, 2018
    Publication date: June 18, 2020
    Applicant: BASF SE
    Inventors: Helmut REICHELT, Hans REICHERT, Oliver SEEGER, Korinna DORMANN, Rene FISCHER, Christian DOERR
  • USE OF DIBENZOTETRAPHENYLPERIFLANTHENE IN ORGANIC SOLAR CELLS
    Publication number: 20110168248
    Abstract: The present invention relates to the use of dibenzotetraphenylperiflanthene as an electron donor material in an organic solar cell.
    Type: Application
    Filed: September 18, 2009
    Publication date: July 14, 2011
    Applicant: BASF SE
    Inventors: Martin Koenemann, Jae Hyung Hwang, Gabriele Mattern, Christian Doerr, Peter Erk