Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1998-08-26
1999-11-23
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430364, 430376, 430377, 430549, 430551, 430565, 430613, G03C 130
Patent
active
059898011
ABSTRACT:
The present invention provides a silver halide photographic material and an image forming method for obtaining a monochrome image using a dye image even if it is treated with a color developer free of benzyl alcohol; a photographic property of the monochrome image is less deteriorated by a toxic gas such as formaldehyde and an increase in sensitization and fog with time is improved.
A silver halide photographic material comprising a support, at least one silver halide emulsion layer on the support and at least one non-photosensitive hydrophilic colloidal layer, in which a silver halide grain of the silver halide emulsion layer includes not less than 95% mol of silver halide and in which the silver halide emulsion layer includes a yellow coupler, a magenta coupler, a cyan coupler and a specific formalin scavenger and the silver halide emulsion layer and/or the non-photosensitive hydrophilic colloidal layer include a specific s-triazine type compound and a method for forming an image by developing the silver halide photographic material with a color developer substantially free of benzyl alcohol.
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patent: 4839263 (1989-06-01), Miyoshi et al.
patent: 4894318 (1990-01-01), Arakawa et al.
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Arasawa Katsuyuki
Hayafuchi Yoshiro
Hirosawa Toshio
Katsube Kouji
Nakamura Toshiko
Le Hoa Van
Oriental Photo Industrial Co., Ltd.
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