The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2026
Filed:
Sep. 29, 2021
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 211/54 (2006.01); C09K 11/06 (2006.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C07C 211/54 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 85/626 (2023.02); H10K 85/631 (2023.02); H10K 85/633 (2023.02); C07B 2200/05 (2013.01);
Abstract
The compounds represented by formula (1): wherein each symbol is as defined in the description, provide organic electroluminescence devices having device performance further improved.