| (19) |
 |
|
(11) |
EP 0 588 614 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.11.1994 Bulletin 1994/44 |
| (43) |
Date of publication A2: |
|
23.03.1994 Bulletin 1994/12 |
| (22) |
Date of filing: 15.09.1993 |
|
| (51) |
International Patent Classification (IPC)5: G03G 5/10 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
16.09.1992 JP 246562/92
|
| (71) |
Applicant: Mitsubishi Chemical Corporation |
|
Chiyoda-ku
Tokyo (JP) |
|
| (72) |
Inventors: |
|
- Nozomi, Mamoru
Yokohama-shi,
Kanagawa-ken (JP)
- Sekihara, Kiyoshi
Tsukui-gun,
Kanagawa-ken (JP)
- Mito, Kazuyuki
Hachioji-shi,
Tokyo (JP)
|
| (74) |
Representative: Woods, Geoffrey Corlett |
|
J.A. KEMP & CO.
14 South Square
Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB) |
|
| |
|
| (54) |
Electrophotographic photoreceptor |
(57) An electrophotographic photoreceptor comprising a conductive substrate carrying a
photoconductive layer, said substrate being obtainable by etching aluminium or an
aluminium alloy with an alkaline etchant comprising (i) an alkali metal hydroxide
and (ii) a weakly-acidic salt of an alkali metal and/or an alkaline earth metal, followed
by anodizing the thus etched substrate.