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:
Mar. 26, 2024

Filed:

Sep. 20, 2019
Applicant:

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

Inventors:

Keiichi Yasukawa, Sodegaura, JP;

Shota Sawano, Sodegaura, JP;

Keiji Okinaka, Sodegaura, JP;

Toshinari Ogiwara, Sodegaura, JP;

Takushi Shiomi, Sodegaura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/60 (2023.01); C07D 487/04 (2006.01); C09K 11/06 (2006.01); H10K 50/12 (2023.01);
U.S. Cl.
CPC ...
H10K 85/6572 (2023.02); C07D 487/04 (2013.01); C09K 11/06 (2013.01); H10K 85/654 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); H10K 50/121 (2023.02);
Abstract

A compound is represented by one of formulae (11) to (13). Rto Reach independently represent a group represented by a formula (1-1), a group represented by a formula (2-1), a group represented by a formula (2-2) or the like. At least one of Rto Ris the group represented by the formula (1-1) or the like. At least one of Rto Ris the group represented by the formula (2-1), (2-2) or the like. For instance, in the formula (1-1), Rrepresents a substituent, and Rto Reach independently represent a hydrogen atom or a substituent. For instance, in the formulae (2-1) to (2-2), Rto Rand Rto Reach independently represent a hydrogen atom or a substituent. * each independently represents a bonding position to a carbon atom in a benzene ring in each of the formulae (11) to (13),


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