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:
Dec. 19, 2017
Filed:
Nov. 21, 2012
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Sayaka Mizutani, Sodegaura, JP;
Takayasu Sado, Sodegaura, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 491/048 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C07D 471/04 (2006.01); C07D 487/06 (2006.01); C07F 7/08 (2006.01); C07D 519/00 (2006.01); C09B 57/00 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5016 (2013.01); C07D 405/14 (2013.01); C07D 409/14 (2013.01); C07D 471/04 (2013.01); C07D 487/06 (2013.01); C07D 491/048 (2013.01); C07D 519/00 (2013.01); C07F 7/0812 (2013.01); C09B 57/00 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5096 (2013.01); H05B 33/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); H01L 51/006 (2013.01); H01L 51/0055 (2013.01); H01L 51/0059 (2013.01);
Abstract
An aromatic heterocyclic derivative is represented by a formula (1) below. In the formula (1), Xto Xeach are a nitrogen atom or CR, with a proviso that at least one of Xto Xis a nitrogen atom. A is represented by a formula (2) and B is represented by a formula (4) below.