Patents by Inventor Patteera FUNCHIEN

Patteera FUNCHIEN 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).

  • FLUORENE DERIVATIVES, POLYMERS OBTAINED FROM SAID FLUORENE DERIVATIVES AND METHOD FOR PREPARING THE SAME
    Publication number: 20230159457
    Abstract: The present invention relates to a novel fluorene derivative having a structure of formula (I): wherein X is independently selected from a group consisting of Cl, Br, I, trifluoromethanesulfonate and 4-(trifluoromethyl)benzenesulfonate; Y is a group of formula —(CH2)n— where n is an integer ranging from 3 to 12; and R1, R2, R3, and R4 are independently selected from a group consisting of tert-butyl group, triphenylamine, carbazole and carbazole derivative. The invention further relates to a polymer obtained from the said novel fluorene derivative and methods for preparing the same, as well as their uses as materials for an organic light-emitting diode device.
    Type: Application
    Filed: April 17, 2020
    Publication date: May 25, 2023
    Applicant: IRPC PUBLIC COMPANY LIMITED
    Inventors: Roman HELMUTH ADAM STRAUSS, Banjong BUHIRAN, Sanya PRANGSRI-AROON, Jirarat KAMONSAWAS, Pranee LOOKSAARD, Ekkapon DAENGSOPHA, Vinich PROMARAK, Patteera FUNCHIEN