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:
Oct. 05, 2021
Filed:
Dec. 27, 2018
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Keita Seda, Sodegaura, JP;
Ryota Takahashi, Sodegaura, JP;
Tomoki Kato, Sodegaura, JP;
Hidetsugu Ikeda, Sodegaura, JP;
Yuki Nakano, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 5/02 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0074 (2013.01); C07F 5/02 (2013.01); C07F 5/027 (2013.01); H01L 51/008 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/5012 (2013.01);
Abstract
A compound represented by the formula (1) below. At least one set of two or more adjacent groups among Rto Rforms a substituted or unsubstituted heterocyclic ring, or forms a ring represented by the formula (2) below, or at least one of Rto Ris a group represented by the formula (3) below.