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:
Aug. 27, 2019
Filed:
Oct. 29, 2010
Nobuyoshi Koshino, Tsukuba, JP;
Hideyuki Higashimura, Tsukuba, JP;
Klaus Muellen, Cologne, DE;
Christian Von Malotki, Windesheim, DE;
Qi Su, Beijing, CN;
Martin Baumgarten, Mainz, DE;
Hassan Norouzi-arasi, Montreal, CA;
Lena Arnold, Russelsheim, DE;
Ruili Liu, Shanghai, CN;
Nobuyoshi Koshino, Tsukuba, JP;
Hideyuki Higashimura, Tsukuba, JP;
Klaus Muellen, Cologne, DE;
Christian von Malotki, Windesheim, DE;
Qi Su, Beijing, CN;
Martin Baumgarten, Mainz, DE;
Hassan Norouzi-Arasi, Montreal, CA;
Lena Arnold, Russelsheim, DE;
Ruili Liu, Shanghai, CN;
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V., Munich, DE;
Abstract
To provide nitrogen-containing aromatic compounds with excellent oxygen reduction activity, metal complexes containing them, and catalysts and electrodes employing the same, the present invention provides an aromatic compound satisfying the following conditions (a) and (b):