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:
Feb. 10, 2015
Filed:
Jul. 09, 2009
Applicants:
Fengqiang Zhu, Matsumoto, JP;
Yoichi Nakamura, Matsumoto, JP;
Ikuo Takaki, GuangDong, CN;
Seizo Kitagawa, Matsumoto, JP;
Shinjirou Suzuki, Matsumoto, JP;
Inventors:
Fengqiang Zhu, Matsumoto, JP;
Yoichi Nakamura, Matsumoto, JP;
Ikuo Takaki, GuangDong, CN;
Seizo Kitagawa, Matsumoto, JP;
Shinjirou Suzuki, Matsumoto, JP;
Assignee:
Fuji Electric Co., Ltd., Kawasaki-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/047 (2006.01); C07C 211/54 (2006.01); G03G 5/06 (2006.01);
U.S. Cl.
CPC ...
C07C 211/54 (2013.01); G03G 5/0614 (2013.01); G03G 5/0668 (2013.01); G03G 5/0696 (2013.01);
Abstract
A charge transport material having reduced photodeterioration is disclosed to be an ethylene compound having an ethylene double bond site, having a structure in which four different substituents are substituted at the ethylene double bond site, and having general formula (I) below