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:
Feb. 13, 2024
Filed:
Sep. 02, 2019
Applicant:
Idemitsu Kosan Co.,ltd., Chiyoda-ku, JP;
Inventors:
Kei Yoshida, Chiba, JP;
Masatoshi Saito, Ichihara, JP;
Ryoji Maeda, Chiba, JP;
Masato Nakamura, Sumida-ku, JP;
Tetsuya Masuda, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/82 (2006.01); C07D 403/14 (2006.01); C07D 239/26 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01); H10K 85/60 (2023.01); C07D 401/14 (2006.01); C07D 409/14 (2006.01); H10K 50/16 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C07D 401/14 (2013.01); C07D 403/14 (2013.01); C07D 409/14 (2013.01); H10K 85/6572 (2023.02); H10K 85/6576 (2023.02); H10K 50/16 (2023.02);
Abstract
A compound of the following formula (1) and others. Rto R, Rto R, Aand Aare as defined in the specification, n is an integer of 0 to 3, when Ais an (n+1)-valent residue of benzene, n is an integer of 1 or more, and when n is 0, (A)is a hydrogen atom.