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Title:
SILVER HALIDE PHOTOGRAPHIC MATERIAL AND ITS TREATMENT AND FORMAZANE COMPOUND
Document Type and Number:
Japanese Patent JPH11193266
Kind Code:
A
Abstract:

To obtain a silver halide photographic material excellent in image quality such as sharpness, graininess, resolving power or color reproducibility and providing a stable and ultrahigh contrast image even by treatment with a developer at a relatively low pH.

This silver halide photographic material contains at least one kind of compound oxidized with an oxidized form of a developing agent and convertible into a development retarder, e.g. a compound represented by the following general formula (R, R' and R" denote each hydrogen atom or a monovalent substituent group) in the silver halide photographic material having at least one layer of a silver halide emulsion layer.


Inventors:
MATSUURA MITSUYOSHI
FUKUI MAKOTO
MIURA AKIO
ITO HIROHIDE
TAKABAYASHI TOSHIYUKI
Application Number:
JP12014598A
Publication Date:
July 21, 1999
Filing Date:
April 14, 1998
Export Citation:
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Assignee:
KONISHIROKU PHOTO IND
International Classes:
C07C255/65; C07C257/22; C07C281/16; C07C313/04; C07C335/30; C07C381/14; C07D213/76; C07D213/78; C07D233/84; C07D235/28; C07D249/12; C07D271/10; C07D277/64; C07D285/12; C07D285/125; C07D285/135; C07D333/20; C07D333/32; C07D401/12; C07D405/12; C07D409/04; C07D409/12; C07D409/14; C07D473/00; C07D487/04; G03C1/06; G03C1/295; G03C1/43; G03C5/29; (IPC1-7): C07C257/22; C07C255/65; C07C281/16; C07C313/04; C07C335/30; C07C381/14; C07D213/76; C07D213/78; C07D233/84; C07D235/28; C07D249/12; C07D271/10; C07D277/64; C07D285/135; C07D285/125; C07D333/20; C07D333/32; C07D401/12; C07D405/12; C07D409/04; C07D409/12; C07D409/14; C07D473/00; C07D487/04; G03C1/06; G03C1/295; G03C1/43; G03C5/29
Attorney, Agent or Firm:
Yoshio Iwama