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:
Sep. 30, 2014
Filed:
Mar. 04, 2013
Applicant:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Inventor:
Akiteru Fujii, Kanagawa, JP;
Assignee:
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/06 (2006.01); G03G 5/047 (2006.01); G03G 5/05 (2006.01);
U.S. Cl.
CPC ...
G03G 5/047 (2013.01); G03G 5/0696 (2013.01); G03G 5/0614 (2013.01); G03G 5/0607 (2013.01); G03G 5/0609 (2013.01); G03G 5/056 (2013.01);
Abstract
The invention provides a laminate-type electrophotographic photoreceptor for use in a negative charge system, comprising a conductive support, and a photosensitive layer containing a charge generation layer and a charge transport layer, on the conductive support, wherein in addition to a fluorene compound and a diamine compound which are responsible for charge transport, a compound having a specific structure is used in combination.