(19)
(11) EP 0 420 580 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.04.1991 Bulletin 1991/17

(43) Date of publication A2:
03.04.1991 Bulletin 1991/14

(21) Application number: 90310488.3

(22) Date of filing: 25.09.1990
(51) International Patent Classification (IPC)5: G03G 5/05, G03G 5/047
(84) Designated Contracting States:
DE FR GB

(30) Priority: 27.09.1989 JP 252900/89
27.09.1989 JP 252901/89
29.09.1989 JP 256573/89

(71) Applicant: MITA INDUSTRIAL CO., LTD.
Osaka 540 (JP)

(72) Inventors:
  • Hanatani, Yasuyuki
    Sakai-shi, Osaka (JP)
  • Mizuta, Yasufumi
    Kishiwada-shi, Osaka (JP)
  • Arakawa, Takeshi
    Abeno-ku, Osaka (JP)
  • Tanaka, Nariaki
    Kishiwada-shi, Osaka (JP)

(74) Representative: Cheyne, John Robert Alexander Mackenzie et al
HASELTINE LAKE & CO. Hazlitt House 28, Southampton Buildings Chancery Lane
London WC2A 1AT
London WC2A 1AT (GB)


(56) References cited: : 
   
       


    (54) A method for manufacturing an electrophotographic organic photoconductor


    (57) A method for manufacturing an electrophoto­graphic organic photoconductor is disclosed which comprises the steps of forming on the surface of a conductive base a charge transport layer consisting of a first resin composition and forming on the surface of the charge transport layer a charge generating layer consisting of a second resin composition. In this method, the step of forming the charge transport layer includes the application of a charge transport layer coating solution containing the first resin composition and a solvent onto the surface of the conductive base for the formation of a layer of the coating solution and the heat treatment of the coating solution layer at a temperature higher than the glass-transition tempera­ture (Tg) of the first resin composition and lower than the melt-starting temperature of the first resin compo­sition.





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