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:
Jul. 08, 2025
Filed:
Nov. 08, 2019
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Taro Yamaki, Sodegaura, JP;
Satomi Tasaki, Sodegaura, JP;
Hiroaki Itoi, Sodegaura, JP;
Yuki Nakano, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07C 15/38 (2006.01); C09K 11/06 (2006.01); H10K 85/60 (2023.01); H10K 50/11 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/626 (2023.02); C07C 15/38 (2013.01); C09K 11/06 (2013.01); H10K 85/622 (2023.02); H10K 85/623 (2023.02); C07B 2200/05 (2013.01); C07C 2603/24 (2017.05); C07C 2603/42 (2017.05); C07C 2603/52 (2017.05); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); H10K 50/11 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 2101/10 (2023.02);
Abstract
A compound represented by the following formula (1), provided that at least one of Rto Ris a deuterium atom; and at least one of Arand Aris a substituted or unsubstituted fused aryl group in which only four or more benzene rings are fused.