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. 20, 2011
Filed:
Jul. 10, 2007
Applicants:
Toshihiro Iwakuma, Chiba, JP;
Jun Endo, Chiba, JP;
Masaki Numata, Chiba, JP;
Kenichi Fukuoka, Chiba, JP;
Inventors:
Toshihiro Iwakuma, Chiba, JP;
Jun Endo, Chiba, JP;
Masaki Numata, Chiba, JP;
Kenichi Fukuoka, Chiba, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/00 (2006.01); C07D 307/91 (2006.01); C07D 327/04 (2006.01); C07D 471/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material for organic electroluminescence devices for use as a host material in combination with at least one phosphorescent metal complex contains a compound represented by formula 1:
Iwakuma, Toshihiro. (2011). Material for organic electroluminescent element and organic electroluminescent element employing the same (U.S. Patent No. 8080658). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8080658
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile