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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.:

US 12122768 B1

PDFFull Text
Date of Patent:
Oct. 22, 2024

Filed:

Aug. 29, 2019

Benzonitrile derivative, light-emitting material, and light-emitting element using same

Applicants:

Kyushu University, National University Corporation, Fukuoka, JP;

Nippon Soda Co., Ltd., Tokyo, JP;

Inventors:

Takuma Yasuda, Fukuoka, JP;

In Seob Park, Fukuoka, JP;

Katsunori Tanaka, Odawara, JP;

Yasuhiro Miyashita, Odawara, JP;

Yasuhiko Ashikari, Odawara, JP;

Assignees:

KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Fukuoka, JP;

NIPPON SODA CO., LTD., Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Liam J Heincer

Int. Cl.
CPC ...
C07D 403/14 (2006.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01);
U.S. Cl.
CPC ...
C07D 403/14 (2013.01); H10K 85/654 (2023.02); H10K 85/6572 (2023.02); H10K 50/11 (2023.02);
Abstract

A compound represented by formula (I). In formula (I), each L independently represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, n indicates the number of L groups, and is either 1 or 2, each Q independently represents a substituted or unsubstituted 3,6-di-t-butyl-9H-carbazol-9-yl group, a substituted or unsubstituted 3,6-diphenyl-9H-carbazol-9-yl group, or a substituted or unsubstituted 3-phenyl-6-t-butyl-9H-carbazol-9-yl group, and in indicates the number of Q groups, and has a value of 5−n.

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Yasuda, Takuma. (2024). Benzonitrile derivative, light-emitting material, and light-emitting element using same (U.S. Patent No. 12122768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12122768

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