(19)
(11) EP 0 295 792 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.01.1990 Bulletin 1990/02

(43) Date of publication A2:
21.12.1988 Bulletin 1988/51

(21) Application number: 88304533.8

(22) Date of filing: 19.05.1988
(51) International Patent Classification (IPC)4: G03G 5/06
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 16.06.1987 GB 8714014

(71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC
London SW1P 3JF (GB)

(72) Inventors:
  • Gregory, Peter
    Bolton BL3 4UN Lancashire (GB)
  • Nelson, Anthony John
    Tsukuba-Gun Ibaraki, 300-42 (JP)

(74) Representative: Stephenson, Kenneth et al
ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road
Welwyn Garden City, Herts, AL7 1HD
Welwyn Garden City, Herts, AL7 1HD (GB)


(56) References cited: : 
   
       


    (54) Organic photoconductor


    (57) An organic photoconductor comprising an electrically conducting support, a charge generation layer containing metal-free phthalocyanine in the X- or the alpha-polymorphic form and a charge transport layer containing a compound of the formula:

    wherein each of X and Z, independently, represents a phenyl or naphthyl radical and Y represents an alkyl, phenyl or naphthyl radical, each of X, Y and Z optionally carrying one or more non-ionic substituents.





    Search report