Patents by Inventor Frederic Delbecq

Frederic Delbecq 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).

  • COMPOSITION AND LIGHT-EMITTING ELEMENT COMPRISING THE COMPOSITION
    Publication number: 20100038592
    Abstract: Disclosed is a composition comprising a compound having a pyrazine ring structure and a phosphorescent compound, wherein the compound having a pyrazine ring structure has a pyrazine ring structure represented by the general formula (1), (2) or (3): wherein R and R1 independently represent a hydrogen atom or a univalent group and multiple R's and multiple R1's may be the same as or different from one another. Also disclosed is a polymer having a residue derived from the phosphorescent compound and the pyrazine ring structure.
    Type: Application
    Filed: December 27, 2007
    Publication date: February 18, 2010
    Applicant: SUMATION CO., LTD.
    Inventors: Nobuhiko Akino, Frederic Delbecq