Silver halide photographic material and image-forming process

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United States of America Patent

PATENT NO 5728511
SERIAL NO

08811923

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Abstract

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A silver halide photographic material is provided which exhibits nearly equal sensitivities and gamma values with respect to yellow, magenta and cyan to form a black-and-white image of neutral black or sepia tone, even when it is processed with a color developer free from benzyl alcohol. The silver halide photographic material is made up of a substrate and at least one silver halide emulsion layer formed on the substrate. The silver chloride content of silver halide grains constituting the silver halide emulsion layer is 95 mole % or above, the silver halide emulsion is spectrally sensitized by a specific sensitizing dye, and the silver halide emulsion layer contains a yellow coupler, a magenta coupler and a cyan coupler. The image-forming process is characterized by developing the silver halide photographic material with a color developer substantially free from benzyl alcohol.

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Patent Owner(s)

Patent OwnerAddress
ORIENTAL PHOTO INDUSTRIAL CO LTDHIRATSUKA-SHI KANAGAWA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayafuchi, Yoshiro Kanagawa, JP 3 11
Hirosawa, Toshio Kanagawa, JP 45 1845
Katsube, Kouji Kanagawa, JP 3 11
Komiyama, Junichi Kanagawa, JP 4 10
Nakamura, Toshiko Kanagawa, JP 8 106

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