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    • 5. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US5541050A
    • 1996-07-30
    • US288877
    • 1994-08-10
    • Keiji MihayashiMikio Ihama
    • Keiji MihayashiMikio Ihama
    • G03C1/09G03C7/30G03C7/305G03C7/388G03C1/08G03C1/06G03C7/26G03C7/32
    • G03C7/3003G03C7/3022Y10S430/156Y10S430/158
    • A silver halide color photographic light-sensitive material having at least one light-sensitive silver halide emulsion layer formed on a support containing light-sensitive silver halide grains which have been chemically sensitized by at least one of a selenium sensitizer, a gold sensitizer and a sulfur sensitizer and at least one of the layers of the material contains a compound represented by the following formula (I) and/or a compound represented by the following formula (II) in which A is a coupler residue or a redox group, L.sub.1 and L.sub.3 are divalent timing groups, L.sub.2 is a timing group with a valency of 3 or more, PUG is a photographically useful group, j and n are integers, each of 0 to 2, m is 1 or 2, s is 2 or a greater integer obtained by subtracting 1 from the valence of L.sub.2, L.sub.4 is --OCO-- group, and L.sub.5 is a group which releases PUG by electron transfer along a conjugated system.Formula (I)A'--(L.sub.1).sub.j --(L.sub.2).sub.m --[(L.sub.3).sub.n --PUG].sub.8Formula (II)A--L.sub.4 --L.sub.5 --PUG
    • 一种卤化银彩色照相感光材料,其具有形成在含有感光卤化银颗粒的载体上的至少一种感光卤化银乳剂层,该感光卤化银颗粒已通过硒增感剂,金增感剂和 硫化物增感剂和材料的至少一层包含由下式(I)表示的化合物和/或下式(II)表示的化合物,其中A是成色剂残基或氧化还原基团,L1和 L3是二价定时基团,L2是3价以上的定时基团,PUG是摄影有用的基团,j和n是整数,各自为0〜2,m为1或2,s为2以上 通过从L2的价数减去1得到的整数,L4是-OCO-基,L5是沿着共轭体系通过电子转移释放PUG的基团。 式(I)A' - (L1)j-(L2)m - [(L3)n-PUG] 8式(II)A-L4-L5-PUG
    • 8. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5306609A
    • 1994-04-26
    • US846955
    • 1992-03-06
    • Keiji MihayashiTakayoshi Kamio
    • Keiji MihayashiTakayoshi Kamio
    • G03C7/36G03C1/08G03C7/26G03C7/32
    • G03C7/365Y10S430/158
    • A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide color photographic material comprises i) a nondiffusive coupler represented by the general formula (I) or (II): ##STR1## and ii) an acyl acetamide coupler comprising, as an acyl group, a group represented by the general formula (A) ##STR2## The silver halide color photographic material provides a high color density and exhibits a small fluctuation of photographic performance during preservation thereof and improved color image fastness and color reproducibility.
    • 一种卤化银彩色照相材料,包括其上具有至少一种感光卤化银乳剂层的载体,其中所述卤化银彩色照相材料包括:i)由通式(I)或(II)表示的非扩散性偶联剂:(* 化学结构*)(I)(*化学结构*)(II)和ii)包含作为酰基的通式(A)表示的基团的酰基乙酰胺成色剂(*化学结构*)(A) 卤化银彩色照相材料提供高颜色密度,并且在保存期间表现出小的照相性能波动,并提高了彩色图像牢度和色彩再现性。
    • 9. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5298383A
    • 1994-03-29
    • US840949
    • 1992-02-25
    • Keiji MihayashiNaoki SaitoShunichi Aida
    • Keiji MihayashiNaoki SaitoShunichi Aida
    • G03C1/035G03C1/34G03C7/30G03C7/36G03C1/08G03C7/26G03C7/32
    • G03C7/365G03C7/3022
    • Disclosed is a silver halide color photographic material having at least one light-sensitive emulsion layer on a support, in which at least 50%, as the total projected area, of all the silver halide grains in at least one light-sensitive emulsion layer are tabular grains having a mean aspect ratio of 2 or more and at least one layer constituting the material contains a coupler of the following formula (I) and/or a coupler of the following formula (II): ##STR1## where X.sup.1 and X.sup.2 each represents an alkyl group, an aryl group, or a heterocyclic group; X.sup.3 represents an organic residue forming a nitrogen-containing heterocyclic group along with >N-- in the formula; Y represents an aryl group or a heterocyclic group; and Z represents a group capable of being released from the formula when the coupler of the formula reacts with an oxidation product of a developing agent. The material preferably contains a compound of formula (A):Q--SM.sup.1 (A)where Q represents a heterocyclic residue having at least one substituent selected from the group consisting of --SO.sub.3 M.sup.2, --COOM.sup.2, --OH and --NR.sup.1 R.sup.2 bonded thereto directly or indirectly; M.sup.1 and M.sup.2 independently represent a hydrogen atom, an alkali metal, a quaternary ammonium group, or a quaternary phosphonium group; and R.sup.1 and R.sup.2 independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group. The material has a high sensitivity and has excellent graininess, pressure resistance, color reproducibility and sharpness.
    • 公开了一种卤化银彩色照相材料,其在载体上具有至少一个感光乳剂层,其中至少一个感光乳剂层中所有卤化银颗粒的总投影面积的至少50%为 平均纵横比为2以上的片状颗粒和至少一层构成材料的层包含下式(I)的成色剂和/或下式(II)的成色剂:(*化学结构*)(I )(*化学结构*)(II)其中X1和X2各自表示烷基,芳基或杂环基; X3表示式中含有氮原子的有机残基以及> N - Y表示芳基或杂环基; Z表示当式的成色剂与显影剂的氧化产物反应时能够从式中释放的基团。 该材料优选含有式(A)的化合物:Q-SM1(A)其中Q表示具有至少一个选自-SO 3 M 2,-COOM 2,-OH和-NR 1 R 2的取代基的杂环残基直接键合到其上, 间接地 M1和M2独立地表示氢原子,碱金属,季铵基或季鏻基; 并且R 1和R 2独立地表示氢原子或取代或未取代的烷基。 该材料具有高灵敏度,具有优异的颗粒度,耐压性,色彩再现性和清晰度。