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. 18, 2014
Filed:
Jul. 20, 2010
Applicants:
Yasunori Uetani, Tsukuba, JP;
Jun Fujiwara, Ashiya, JP;
Inventors:
Yasunori Uetani, Tsukuba, JP;
Jun Fujiwara, Ashiya, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/403 (2006.01); C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fullerene derivative having a partial structure represented by formula (1): wherein R represents a monovalent group, and r represents an integer of 0 to 4,in particular, a fullerene derivative, which has one to four structures represented by formula (1), can be applied to an organic photoelectric conversion element having a high open-circuit voltage and is therefore suitable for an organic thin-film solar cell or an organic photosensor, and thus it is extremely useful.