(19)
(11) EP 2 154 575 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A2)

(48) Corrigendum issued on:
04.08.2010 Bulletin 2010/31

(43) Date of publication:
17.02.2010 Bulletin 2010/07

(21) Application number: 09014177.1

(22) Date of filing: 15.07.2005
(51) International Patent Classification (IPC): 
G03G 5/05(2006.01)
 G03G 5/06(2006.01)
(84) Designated Contracting States:
DE

(30) Priority: 16.07.2004 JP 2004210571

(62) Application number of the earlier application in accordance with Art. 76 EPC:
05762070.0 / 1770447

(71) Applicant: Mitsubishi Chemical Corporation
Minato-ku Tokyo 108-0014 (JP)

(72) Inventors:
  • Tajima, Hiroyuki
    Yikohama-shi Kanagawa 2270033 (JP)
  • Kumano, Yuuta
    Yikohama-shi Kanagawa 2270033 (JP)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

 
Remarks:
This application was filed on 12-11-2009 as a divisional application to the application mentioned under INID code 62.
 


(54) Electrophotographic photoreceptor


(57) Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a polyester resin in a photosensitive layer provided on an electroconductive substrate. The polyester resin is composed of a copolymer of formula (5).

wherein {a/(a+b)}>0.7, A is:

(wherein Ra1 and Ra2 represents a hydrogen atom or a monovalent substituent which may have a substituent, and n and m is from 0 to 4.),
F is:

(wherein X2 represents a single bond or a bivalent group; each of R7 and R8 represents a hydrogen atom, an alkyl group, an aryl group, a halogen group, or an alkoxy group; and k and 1 are from 1 to 4.), and
G is:

(wherein x3 represents a bivalent group.)