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    • 3. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4916053A
    • 1990-04-10
    • US245922
    • 1988-09-16
    • Naoto OhshimaToshiaki HayakawaShunji Takada
    • Naoto OhshimaToshiaki HayakawaShunji Takada
    • G03C1/34G03C1/035G03C1/053
    • G03C1/053G03C1/035
    • A negative-tupe silver halide photographic material is provided, having high sensitivity and good graininess with low fog. The material has at least one silver halide emulsion layer on a support, wherein chemically-sensitized silver halide grains contained in the emulsion of said emulsion layer comprise normal crystalline grains, and said emulsion layer containing said normal crystalline silver halide grains contains a polymer having a repeating unit represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or an alkyl group; Q represents one group selected from formulae (i), (ii), (iii), and (iv); ##STR2## wherein q is an integer of from 2 to 4; ##STR3## wherein R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group; ##STR4## wherein Z.sup.1 represents an atomic group forming a lactam ring, an oxazolidone ring, or a pyridone ring;A represents a single bond, ##STR5## B represents --O-- or ##STR6## wherein R.sup.4 represents a hydrogen atom or an alkyl group; and l is an integer of from 1 to 6; and ##STR7## wherein a has the same meaning as defined for formula (iii);D represents a single bond, --O-- or ##STR8## wherein R.sup.5 represents a hydrogen atom, an alkyl group, or ##STR9## wherein R.sup.6 represents an alkyl group; andm and n each represents an integer of from 1 to 6, provided that the sum of m and n is an integer of from 4 to 7.
    • 提供了一种负型卤化银照相材料,具有高灵敏度和低雾度的良好颗粒感。 所述材料在载体上具有至少一个卤化银乳剂层,其中包含在所述乳剂层的乳液中的化学增感卤化银颗粒包含正常晶粒,并且含有所述正常结晶卤化银颗粒的所述乳剂层含有具有 由式(I)表示的重复单元:其中R 1表示氢原子或烷基; Q表示选自式(i),(ii),(iii)和(iv)中的一个; (i)其中q是2至4的整数; (ⅱ)其中R2和R3各自表示氢原子或烷基; (iii)其中Z1表示形成内酰胺环的原子团,恶唑烷酮环或吡啶酮环; A表示单键,图像B表示-O-或,其中R 4表示氢原子或烷基; 且l为1至6的整数; (iv)其中a具有与式(iii)所定义相同的含义; D表示单键,-O-或,其中R5表示氢原子,烷基或者其中R6表示烷基; m和n各自表示1〜6的整数,条件是m和n的和为4〜7的整数。
    • 4. 发明授权
    • Silver halide photographic light sensitive materials
    • 卤化银照相感光材料
    • US4668614A
    • 1987-05-26
    • US917318
    • 1986-10-10
    • Shunji TakadaNaoto OhshimaShingo Ishimaru
    • Shunji TakadaNaoto OhshimaShingo Ishimaru
    • G03C1/005G03C1/035G03C1/08
    • G03C1/035G03C2001/03535G03C2001/03558
    • An improvement in silver halide photographic light-sensitive materials having at least one silver halide emulsion layer on a support is disclosed. The improvement is that chemically sensitized silver halide grains contained in at least one of the emulsion layers have a distinct stratiform structure having substantially two parts comprising an inside core part and a shell part of the uppermost layer, wherein the inside core part of said grains is composed of silver halide containing 10 to 45% by mol of silver iodide, the shell part of the uppermost layer of the grains is composed of silver halide containing 5% by mol or less of silver iodide, and the emulsion containing silver halide grains having the distinct stratiform structure have an average silver iodide content of 7% by mol or more. The materials have high sensitivity, low fog and excellent graininess.
    • 公开了在载体上具有至少一个卤化银乳剂层的卤化银照相感光材料的改进。 改善的是,至少一个乳剂层中包含的化学增感的卤化银颗粒具有明显的层状结构,其基本上包括两个部分,其包含内部芯部分和最上层的壳部分,其中所述颗粒的内部核心部分 由含有10〜45摩尔%碘化银的卤化银构成,粒子的最上层的壳部由含有5摩尔%以下的碘化银的卤化银构成,含有卤化银粒子的乳液 不同的层状结构的平均碘化银含量为7摩尔%以上。 材料灵敏度高,雾度低,颗粒性好。
    • 5. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5252456A
    • 1993-10-12
    • US691293
    • 1991-04-25
    • Naoto OhshimaSeiji YamashitaAkira Kase
    • Naoto OhshimaSeiji YamashitaAkira Kase
    • G03C1/035G03C1/09
    • G03C1/035G03C1/09
    • Disclosed is (1) a silver halide photographic material having at least one light-sensitive emulsion layer containing a silver halide emulsion on a support, wherein the light-sensitive emulsion layer comprises silver halide grains which contain at least one complex selected from the group consisting of Ir and Pt metal complexes having at least two cyan ligands which have a silver chloride content of 80 mol % or more and do not substantially contain silver iodide and which have a silver bromide-rich localized phase with a silver bromide content of 10 mol % or more, and (2) a silver halide photographic material having at least one light-sensitive emulsion layer containing a silver halide emulsion on a support, wherein the light-sensitive emulsion layer comprises silver halide grains which contain at least one complex selected from the group consisting of Ir and Pt metal complexes having at least two cyan ligands, which have a silver chloride content of 80 mol % or more and which are gold-sensitized.
    • 公开了(1)一种卤化银照相材料,其具有在载体上含有卤化银乳剂的至少一种感光乳剂层,其中感光乳剂层包含卤化银颗粒,其含有至少一种选自以下的络合物: 具有至少两个氯化银含量为80摩尔%以上并且基本上不含碘化银并且具有溴化银含量为10摩尔%的富含溴化银的局部相的青色配体的Ir和Pt金属络合物, 或更多,以及(2)卤化银照相材料,其具有在载体上含有卤化银乳剂的至少一种感光乳剂层,其中感光乳剂层包含卤化银颗粒,其含有至少一种选自 由具有至少两个具有80摩尔%以上的氯化银含量的青色配体的Ir和Pt金属络合物组成的组, 敏感。
    • 6. 发明授权
    • Silver halide color photographic photosensitive material and image forming method utilizing the same
    • 卤化银彩色感光材料及其成像方法
    • US07238465B2
    • 2007-07-03
    • US10823700
    • 2004-04-14
    • Naoto Ohshima
    • Naoto Ohshima
    • G03C1/46G03C1/08G03C7/26G03C1/005G03C1/494
    • G03C7/3022G03C1/047G03C2001/03517G03C2200/27
    • The invention provides a silver halide color photographic photosensitive material including a substrate and photographic layers containing a yellow color-developing blue light-sensitive silver halide emulsion layer, a magenta color-developing green light-sensitive silver halide emulsion layer, a cyan color-developing red light-sensitive silver halide emulsion layer and a non-photosensitive hydrophilic colloid layer, wherein a total gelatin coating amount in the photographic layers is within a range from 3 to 6 g/m2 and/or a total silver coating amount in the photographic layers is within a range from 0.2 to 0.5 g/m2, the yellow color-developing blue light-sensitive silver halide emulsion layer includes a silver halide emulsion having silver halide grains which have a sphere-equivalent diameter of no more than 0.6 μm and a silver chloride content of at least 90 mol %, and an image forming method utilizing the photosensitive material.
    • 本发明提供了一种卤化银彩色照相感光材料,其包括基材和含有黄色显色蓝色感光卤化银乳剂层,品红色显色绿色感光卤化银乳剂层,青色显色剂 红色感光卤化银乳剂层和非感光亲水胶体层,其中照相层中的总明胶涂布量在3至6g / m 2和/或 拍摄层中的总银涂布量在0.2至0.5g / m 2的范围内,黄色显色蓝光感应卤化银乳剂层包括具有卤化银颗粒的卤化银乳剂 其具有不超过0.6μm的球当量直径和至少90mol%的氯化银含量,以及利用感光材料的图像形成方法。