(19)
(11) EP 0 319 992 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.11.1989 Bulletin 1989/48

(43) Date of publication A2:
14.06.1989 Bulletin 1989/24

(21) Application number: 88120607.2

(22) Date of filing: 09.12.1988
(51) International Patent Classification (IPC)4: G03G 5/06
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 10.12.1987 JP 313805/87
07.10.1988 JP 254255/88

(71) Applicant: BANDO CHEMICAL INDUSTRIES, LIMITED
Hyogo-ku Kobe-shi (JP)

(72) Inventors:
  • Kobata, Tomokazu
    Nishi-ku Kobe (JP)
  • Matsui, Yosuke
    Chuo-ku Kobe (JP)

(74) Representative: von Kreisler, Alek, Dipl.-Chem. et al
Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41
50462 Köln
50462 Köln (DE)


(56) References cited: : 
   
       


    (54) Electrophotographic light-sensitive material


    (57) In an electrophotographic light-sensitive mate­rial having a layer of a charge transporting substance and a layer of a charge producing substance on an elec­trically conductive support, the charge transporting sub­stance is an arylaldehydehydrazone derivative of the general formula:

    where R¹, R² and R³ are each an alkyl or aryl group.





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