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:
Mar. 17, 2020
Filed:
Mar. 15, 2019
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Ryota Takahashi, Sodegaura, JP;
Hidetsugu Ikeda, Sodegaura, JP;
Yuki Nakano, Sodegaura, JP;
Keita Seda, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 491/22 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0071 (2013.01); C07D 491/22 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H01L 51/5012 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01);
Abstract
To provide a compound represented by the following formula (1-5). Two of *1 are fused with a group represented by the formula (1A) to form a nitrogen atom-containing five-membered ring; and two of *2 are fused with a group represented by the formula (1A), which is different from the group bonded with the two of *1, to form a nitrogen atom-containing five-membered ring.