(19)
(11) EP 0 690 351 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.01.1996 Bulletin 1996/03

(43) Date of publication A2:
03.01.1996 Bulletin 1996/01

(21) Application number: 95303624.1

(22) Date of filing: 26.05.1995
(51) International Patent Classification (IPC)6: G03G 5/06
(84) Designated Contracting States:
CH DE FR GB IT LI

(30) Priority: 31.05.1994 JP 119185/94

(71) Applicant: MITA INDUSTRIAL CO. LTD.
Osaka-shi Osaka-fu 540 (JP)

(72) Inventors:
  • Fukami, Toshiyuki
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Nakamori, Hideo
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Shiomi, Hiroshi
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Kawaguchi, Hirofumi
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Uegaito, Hisakazu
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Muto, Nariaki
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Kakui, Mikio
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Sumida, Keisuke
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Saito, Sakae
    Chuo-ku, Osaka-shi, Osaka 540 (JP)
  • Uchida, Maki
    Chuo-ku, Osaka-shi, Osaka 540 (JP)

(74) Representative: W.P. THOMPSON & CO. 
Eastcheap House Central Approach
Letchworth, Hertfordshire SG6 3DS
Letchworth, Hertfordshire SG6 3DS (GB)

   


(54) Electrophotosensitive Material


(57) The present invention provides an electrophotosensitive material having an improved sensitivity in comparison with a conventional one, obtained by combining a trinitrofluorenoneimine derivative represented by the formula (1):


[wherein R¹, R, R³, R⁴ and R⁵ are the same or different and indicate a hydrogen atom, an alkyl group, an alkoxy group, an aryl group which may contain a substituent, an aralkyl group which may contain a substituent, or a halogen atom] as an electron transferring material with a prescribed electric charge generating material or hole transferring material.






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