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:
Apr. 29, 2008
Filed:
Aug. 13, 2004
Applicants:
Sachiko Yamagata, Kanagawa, JP;
Ryoji Nomura, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/14 (2006.01); C07D 309/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light-emitting compound that has excellent carrier transportation properties and that can exhibit long wavelength light is disclosed. Further, a method for manufacturing the light-emitting compound in a high yield is disclosed. The disclosed light-emitting compound is a pyran derivative as represented by general formula 1: wherein Aand Aare individually a π-conjugated system group having 6 to 16 conjugating carbon atoms; Xis a dialkylamino group; and Yis a diarylamino group or an alkylarylamino group.
Yamagata, Sachiko. (2008). Pyran derivative, method for manufacturing the same, and light-emitting element containing the pyran derivative (U.S. Patent No. 7364804). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7364804
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile