(19) |
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(11) |
EP 1 030 216 A3 |
(12) |
EUROPEAN PATENT APPLICATION |
(88) |
Date of publication A3: |
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06.12.2000 Bulletin 2000/49 |
(43) |
Date of publication A2: |
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23.08.2000 Bulletin 2000/34 |
(22) |
Date of filing: 16.02.2000 |
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(84) |
Designated Contracting States: |
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AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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Designated Extension States: |
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AL LT LV MK RO SI |
(30) |
Priority: |
18.02.1999 JP 4023199 15.07.1999 JP 20217699
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(71) |
Applicant: FUJI PHOTO FILM CO., LTD. |
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Kanagawa (JP) |
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(72) |
Inventors: |
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- Matsunaga, Atsushi
Minami-Ashigara-shi, Kanagawa (JP)
- Takeuchi, Hiroshi
Minami-Ashigara-shi, Kanagawa (JP)
- Yoshikawa, Masaru
Minami-Ashigara-shi, Kanagawa (JP)
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(74) |
Representative: HOFFMANN - EITLE |
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Patent- und Rechtsanwälte Arabellastrasse 4 81925 München 81925 München (DE) |
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(54) |
Internal latent image-type direct positive silver halide emulsion and color diffusion
transfer light-sensitive material using the same |
(57) Disclosed is an internal latent image-type direct positive silver halide photographic
emulsion having a core/shell structure comprising a chemically sensitized core and
a chemically sensitized shell, wherein a compound having an adsorbing group to silver
halide and a reducing group, or a precursor thereof is contained together with a gold
sensitizer and a compound having C=X bond, P=X bond or R-XO
2X bond (wherein X represents sulfur, selenium or tellurium and R represents an aliphatic
hydrocarbon group, an aryl group or a heterocyclic group) at the chemical sensitization
of the core and/or shell. A color diffusion transfer light-sensitive material using
the emulsion.