| (19) |
 |
|
(11) |
EP 0 805 376 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
14.01.1998 Bulletin 1998/03 |
| (43) |
Date of publication A2: |
|
05.11.1997 Bulletin 1997/45 |
| (22) |
Date of filing: 30.04.1997 |
|
| (51) |
International Patent Classification (IPC)6: G03C 1/498 |
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB IT NL |
| (30) |
Priority: |
30.04.1996 JP 132837/96
30.04.1996 JP 132838/96
17.05.1996 JP 148112/96
17.05.1996 JP 148117/96
|
| (71) |
Applicant: FUJI PHOTO FILM CO., LTD. |
|
Kanagawa (JP) |
|
| (72) |
Inventors: |
|
- Suzuki, Keiichi
Minami-ashigara-shi,
Kanagawa (JP)
- Kubo, Toshiaki
Minami-ashigara-shi,
Kanagawa (JP)
- Inagaki, Yoshio
Minami-ashigara-shi,
Kanagawa (JP)
- Arai, Tsutomu
Minami-ashigara-shi,
Kanagawa (JP)
|
| (74) |
Representative: Hansen, Bernd, Dr. Dipl.-Chem. et al |
|
Hoffmann Eitle,
Patent- und Rechtsanwälte,
Arabellastrasse 4
81925 München
81925 München (DE) |
|
| |
|
| (54) |
Photothermographic material |
(57) In a photothermographic material comprising an organic silver salt, a silver halide,
and a reducing agent, a hydrazine compound of a special structure and a sensitizing
dye of a special structure are contained. The photothermographic material shows high
Dmax and ultrahigh contrast.