公开(公告)号：US5063148A

公开(公告)日：1991-11-05

申请号：US503539

申请日：1990-04-03

申请人： Shuichi Sugita ,  Noboru Mizukura ,  Junichi Kohno ,  Kenzi Kadokura ,  Atsushi Tomotake

发明人： Shuichi Sugita ,  Noboru Mizukura ,  Junichi Kohno ,  Kenzi Kadokura ,  Atsushi Tomotake

IPC分类号： G03C7/26 ,  G03C7/30 ,  G03C7/38 ,  G03C7/392

CPC分类号： G03C7/301

摘要： A silver halide light-sensitive photographic material which is capable to form magenta dye image of substantially improved light-fastness and to form non-colored portion free from Y-stain is disclosed. The material comprises compounds represented by general formula M-I and II in the layers separately or together. ##STR1##

公开(公告)号：US4973546A

公开(公告)日：1990-11-27

申请号：US224242

申请日：1988-07-26

申请人： Yutaka Kaneko ,  Kenzi Kadokura

发明人： Yutaka Kaneko ,  Kenzi Kadokura

IPC分类号： G03C7/26 ,  G03C7/30 ,  G03C7/38 ,  G03C7/392

CPC分类号： G03C7/301 ,  G03C7/39296 ,  G03C7/3825 ,  G03C7/39216 ,  G03C7/39248 ,  G03C7/39268 ,  G03C7/39272 ,  G03C7/39276 ,  G03C7/3928

摘要： A light-sensitive silver halide photographic material comprising a magenta coupler represented by the formula I: ##STR1## at least one magenta image stabilizer represented by formula XII: ##STR2## at least one magenta dye image stabilizer selected from a group consisting of a compound represented by general formulas XIIIa and XIIIb: ##STR3##

摘要翻译： 一种感光卤化银照相材料，其包含由式I表示的品红色成色剂：至少一种由式XII表示的品红色影像稳定剂：XII至少一种品红染料影像稳定剂，选自： 由通式XIIIa和XIIIb表示的化合物：XIIIa XIIIb

公开(公告)号：US4863842A

公开(公告)日：1989-09-05

申请号：US230716

申请日：1988-08-09

申请人： Yutaka Kaneko ,  Kenzi Kadokura ,  Toyoki Nishijima ,  Kaoru Onodera

发明人： Yutaka Kaneko ,  Kenzi Kadokura ,  Toyoki Nishijima ,  Kaoru Onodera

IPC分类号： G03C7/30

CPC分类号： G03C7/301

摘要： A silver halide photographic light sensitive material, which contains at least one magenta dye image forming coupler expressed by the following general formula [I], at least one piperazine or homopiperazine compound expressed by the following general formula [XIIIa], at least one compound selected from a coumarane or a chroman compounds expressed by general formula [XIIIa] and hydroxyindane compounds expressed by [XIIIb], below, is described as being stable to light and moisture, and featuring an excellent color reproducibility. ##STR1## The effect of the invention is further improved by additionally employing a metallic compound wherein an optical quenching rate of singlet oxygen is more than 3.times.10.sup.7 M.sup.-1 .multidot.sec.sup.-1.