(19)
(11) EP 1 030 216 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.12.2000 Bulletin 2000/49

(43) Date of publication A2:
23.08.2000 Bulletin 2000/34

(21) Application number: 00102272.2

(22) Date of filing: 16.02.2000
(51) International Patent Classification (IPC)7G03C 1/485, G03C 8/08
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.02.1999 JP 4023199
15.07.1999 JP 20217699

(71) Applicant: FUJI PHOTO FILM CO., LTD.
Kanagawa (JP)

(72) Inventors:
  • Matsunaga, Atsushi
    Minami-Ashigara-shi, Kanagawa (JP)
  • Takeuchi, Hiroshi
    Minami-Ashigara-shi, Kanagawa (JP)
  • Yoshikawa, Masaru
    Minami-Ashigara-shi, Kanagawa (JP)

(74) Representative: HOFFMANN - EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(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-XO2X 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.





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