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. 28, 2017
Filed:
Sep. 07, 2012
Kei Yoshida, Sodegaura, JP;
Ryohei Hashimoto, Sodegaura, JP;
Kei Yoshida, Sodegaura, JP;
Ryohei Hashimoto, Sodegaura, JP;
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Abstract
A nitrogen-containing heteroaromatic compound is represented by the following formula (A). wherein Y is an oxygen atom or a sulfur atom, M is a substituted or unsubstituted nitrogen-containing heteroaromatic group, and Aris a substituted aromatic hydrocarbon group having 6 to 18 ring carbon atoms, a substituted or unsubstituted monocyclic heteroaromatic group having 5 or 6 ring atoms, a dibenzofuran ring group that may be substituted with a substituent (excluding a 3-carbazolyl group and an N-carbazolyl group), a dibenzothiophene ring group that may be substituted with a substituent (excluding a 3-carbazolyl group and an N-carbazolyl group), or a nitrogen-containing polycyclic group among nitrogen-containing polycyclic groups respectively represented by the following formulas (1) to (5).