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. 23, 2005
Filed:
May. 23, 2003
Nobuyuki Sekine, Kanagawa, JP;
Masami Kuroda, Kanagawa, JP;
Yoshihiro Ueno, Nagano, JP;
Kenichi Ohkura, Nagano, JP;
Nobuyuki Sekine, Kanagawa, JP;
Masami Kuroda, Kanagawa, JP;
Yoshihiro Ueno, Nagano, JP;
Kenichi Ohkura, Nagano, JP;
Fuji Electric Imaging Devices Co., Ltd., Nagano, JP;
Abstract
A highly sensitive positively charged type electrophotographic photoconductor includes an organic compound that transports electrons efficiently, improving light emission efficiency. The photoconductor is used in an electrophotographic drum, an electrophotographic cartridge and an electrophotographic apparatus. The photosensitive layer includes at least one compound represented by the following general formula (I)wherein each of R, R, Rand R, is independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents and aryl groups that optionally have substituents, each of Rand Ris independently selected from the group consisting of hydrogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, Ris selected from the group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms that optionally have substituents, aryl groups that optionally have substituents and heterocyclic groups that optionally have substituents, m represents an integer of 0 to 2 and a plurality of Rs are the same or different, the substituents being selected from a group consisting of halogen atoms, alkyl groups having 1-6 carbon atoms, alkoxy groups having 1-6 carbon atoms, aryl groups, and heterocyclic groups.