| (19) |
 |
|
(11) |
EP 0 324 426 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
12.12.1990 Bulletin 1990/50 |
| (43) |
Date of publication A2: |
|
19.07.1989 Bulletin 1989/29 |
| (22) |
Date of filing: 10.01.1989 |
|
| (51) |
International Patent Classification (IPC)4: G03C 1/10 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
11.01.1988 JP 3445/88
11.01.1988 JP 3446/88
|
| (71) |
Applicant: FUJI PHOTO FILM CO., LTD. |
|
Kanagawa 250-01 (JP) |
|
| (72) |
Inventors: |
|
- Takagi, Yoshihiro
c/o Fuji Photo Film Co., Ltd.
Minami Ashigara-shi
Kanagawa (JP)
- Okada, Hisashi
c/o Fuji Photo Film Co., Ltd.
Minami Ashigara-shi
Kanagawa (JP)
- Yagihara, Morio
c/o Fuji Photo Film Co., Ltd.
Minami Ashigara-shi
Kanagawa (JP)
|
| (74) |
Representative: Patentanwälte
Dr. Solf & Zapf |
|
Candidplatz 15
81543 München
81543 München (DE) |
|
| |
|
| (54) |
Process for forming super high contrast negative images |
(57) A process of forming super high contrast negative photographic materials in a developer
having a pH of from 9.6 to 11.0 wherein the photographic material contains a hydrazine
compound and a nucleation accelerator.