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.

Date of Patent:
Oct. 24, 2023

Filed:

Jul. 01, 2022
Applicant:

Idemitsu Kosan Co., Ltd., Tokyo, JP;

Inventors:

Yusuke Takahashi, Sodegaura, JP;

Tasuku Haketa, Sodegaura, JP;

Shota Tanaka, Sodegaura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/91 (2006.01); C07C 15/28 (2006.01); C07C 15/38 (2006.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01); H10K 50/12 (2023.01);
U.S. Cl.
CPC ...
C07D 307/91 (2013.01); C07C 15/28 (2013.01); C07C 15/38 (2013.01); H10K 50/15 (2023.02); H10K 85/622 (2023.02); H10K 85/6574 (2023.02); H10K 50/12 (2023.02);
Abstract

A compound represented by the following formula (1): The Rto R, Lto L, and Arto Arin the formula (1) are as defined in the description. An organic electroluminescence device contains the compound, and an electronic instrument includes the organic electroluminescence device.


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