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:
May. 27, 2025

Filed:

Nov. 24, 2021
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hironobu Iwawaki, Kanagawa, JP;

Jun Kamatani, Tokyo, JP;

Hirokazu Miyashita, Kanagawa, JP;

Naoki Yamada, Tokyo, JP;

Yosuke Nishide, Kanagawa, JP;

Satoru Shiobara, Kanagawa, JP;

Hiroki Ohrui, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 471/14 (2006.01); C07D 487/14 (2006.01); H10K 50/11 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 471/14 (2013.01); C07D 487/14 (2013.01); H10K 85/636 (2023.02); H10K 50/11 (2023.02); H10K 2101/10 (2023.02);
Abstract

An organic compound represented by formula [1]: where in formula [1], Rto Rare each independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, and other substituents having a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, at least one of Rto Ris one of the other substituents, at least any one of Rand Ris a hydrogen atom or a hydrocarbon group, at least any one of Rand Ris a hydrogen atom or a hydrocarbon group, and at least any one of Rand Ris a hydrogen atom.


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