| (19) |
 |
|
(11) |
EP 0 420 155 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.05.1991 Bulletin 1991/18 |
| (43) |
Date of publication A2: |
|
03.04.1991 Bulletin 1991/14 |
| (22) |
Date of filing: 25.09.1990 |
|
| (51) |
International Patent Classification (IPC)5: G03C 1/498 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT NL |
| (30) |
Priority: |
26.09.1989 JP 250003/89
|
| (71) |
Applicant: FUJI PHOTO FILM CO., LTD. |
|
Kanagawa 250-01 (JP) |
|
| (72) |
Inventor: |
|
- Yokokawa, Takuya,
c/o Fuji Photo Film Co., Ltd.
Minami Ashigara-shi,
Kanagawa (JP)
|
| (74) |
Representative: Grünecker, Kinkeldey,
Stockmair & Schwanhäusser
Anwaltssozietät |
|
Maximilianstrasse 58
80538 München
80538 München (DE) |
|
| |
|
| (54) |
Heat-developable light-sensitive materials |
(57) A heat-dvelopable light-sensitive material having a light-sensitive layer containing
a silver halide emulsion which comprises multiple-structure silver chlorobromide grains
that are gold-sulfur sensitized in the presence of a sensitizing dye and have layers
of differing halide composition. The multiple-structure silver chlorobromide grains
can have one or more layers of differing halide composition or three or more layers
of differing halide composition.