(19)
(11) EP 0 376 311 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.09.1990 Bulletin 1990/36

(43) Date of publication A2:
04.07.1990 Bulletin 1990/27

(21) Application number: 89124079.8

(22) Date of filing: 28.12.1989
(51) International Patent Classification (IPC)5: G03G 5/06
(84) Designated Contracting States:
BE CH DE ES FR GB IT LI NL SE

(30) Priority: 29.12.1988 JP 330987/88
29.12.1988 JP 330995/88

(71) Applicant: CANON KABUSHIKI KAISHA
Tokyo (JP)

(72) Inventors:
  • Kikuchi, Toshihiro
    Yokohama-shi Kanagawa-ken (JP)
  • Kanemaru, Tetsuro
    Tokyo (JP)
  • Senoo, Akihiro
    Yokohama-shi Kanagawa-ken (JP)
  • Yashiro, Ryoji
    Higashiyatsushiro-gun, Yamanashi-ken (JP)

(74) Representative: Bühling, Gerhard, Dipl.-Chem. et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
80336 München
80336 München (DE)


(56) References cited: : 
   
       


    (54) Photosensitive member for electrophotography


    (57) A. photosensitive member for electrophotography, including an electroconductive substrate and a photosensitive layer disposed thereon, wherein the photosensitive layer comprises a triarylamine compound represented by the following general formula (I) or (II):



    wherein Ar1 and Ar2 respectively denote a biphenyl group capable of having a substituent; Ar3 denotes a phenyl group capable of having a substituent or an aromatic heterocyclic group capable of having a substituent; Ar4 and Ars respectively denote a benzene ring or aromatic fused-ring hydrocarbon group capable of having a substituent; R1 and R2 respectively denote a hydrogen atom, alkyl, alkoxyl or halogen atom; and at least one of Ar4 and Ar5 is an aromatic fused-ring hydrocarbon group.





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