公开(公告)号：US06890705B2

公开(公告)日：2005-05-10

申请号：US10152629

申请日：2002-05-23

申请人： Kiyoteru Miyake ,  Masahiro Asami

发明人： Kiyoteru Miyake ,  Masahiro Asami

IPC分类号： G03C7/407 ,  G03C1/035 ,  G03C1/09 ,  G03C1/34 ,  G03C1/42 ,  G03C1/498 ,  G03C7/392 ,  G03C7/46 ,  G03C1/00 ,  G03C5/16

CPC分类号： G03C1/49818 ,  G03C1/09 ,  G03C1/49809 ,  G03C1/49881 ,  G03C2001/0055 ,  G03C2001/03517 ,  G03C2001/03564 ,  G03C2001/098 ,  G03C2200/01 ,  G03C2200/03 ,  G03C2200/60

摘要： The second silver halide photosensitive material comprises a substrate and at least one photosensitive silver halide emulsion layer formed thereon, the silver halide photosensitive material comprising at least two types of silver halide grains with different projected areas having photosensitivity in the same spectral range; silver halide grains having a larger projected area having a refractive index n1 and an average thickness a, and silver halide grains having a smaller projected area having a refractive index n2 and an average thickness b; and the silver halide grains satisfying the conditions defined by the following equation (1): n2≦n1, and a≦b×(n2/n1)  (1).

摘要翻译： 第二卤化银感光材料包括基材和在其上形成的至少一种感光卤化银乳剂层，所述卤化银感光材料包含具有相同光谱范围内具有光敏性的不同投影面积的至少两种类型的卤化银颗粒; 具有折射率n1较大的投影面积和平均厚度a的卤化银颗粒和具有折射率n2和平均厚度b的较小投影面积的卤化银颗粒; 并且满足以下等式（1）定义的条件的卤化银颗粒：<？in-line-formula description =“In-line formula”end =“lead”？> n2 <= N1，ANDa <= Bx（n2 / n1）（1）。 <？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US06335154B1

公开(公告)日：2002-01-01

申请号：US09533326

申请日：2000-03-22

申请人： Masahiro Asami ,  Makoto Kikuchi ,  Tadanobu Sato

发明人： Masahiro Asami ,  Makoto Kikuchi ,  Tadanobu Sato

IPC分类号： G03C1035

CPC分类号： G03C1/08 ,  G03C1/0051 ,  G03C1/42 ,  G03C8/4013 ,  G03C8/404 ,  G03C2001/0056 ,  G03C2200/43

摘要： There is disclosed a silver halide photographic emulsion comprising silver halide grains, wherein 50% or more of the projected area of the silver halide grains to be contained is occupied by tabular grains having an aspect ratio of 2 or more and a grain thickness of 0.2 &mgr;m or less, with the tabular grains each having a phase with the content of silver bromide being 10% or more, and wherein in the phase, the tabular grains each contain a metal complex dopant in an amount necessary to increase the density of a dislocation. This emulsion produces high contrast and better granularity while it has high sensitivity. Further, there is also disclosed a silver halide photographic emulsion, wherein the average equivalent-circle diameter of the total tabular grains among the silver halide grains contained is 2.0 to 4.0 &mgr;m, and the tabular grains contain at least one metal complex having, as a ligand, a heterocyclic compound in a number more than half of the coordination number of the metal atom. This emulsion has high sensitivity and excellent photographic characteristics exhibiting little change of gradation upon exposure to high-intensity illumination. In addition, the present invention provides a silver halide color photographic light-sensitive material using the emulsion, and a color image forming process that is simple and rapid and places little load on the environment, using the material.

摘要翻译： 公开了包含卤化银颗粒的卤化银照相乳剂，其中待包含的卤化银颗粒的投影面积的50％或更多占据纵横比为2以上且颗粒厚度为0.2μm的片状颗粒 或更少，其中每个具有相对于溴化银含量为10％以上的相的片状颗粒，并且其中在该相中，片状颗粒各自含有以增加位错密度所需的量的金属络合物掺杂剂。 该乳液具有高对比度和更好的粒度，同时具有高灵敏度。 此外，还公开了一种卤化银照相乳剂，其中包含的卤化银颗粒中的总片状颗粒的平均当量圆直径为2.0至4.0μm，并且片状颗粒含有至少一种金属络合物，其具有 配体，杂环化合物的数目多于金属原子配位数的一半以上。 该乳液具有高灵敏度和优异的照相特性，在暴露于高强度照明时表现出很小的灰度变化。 此外，本发明提供一种使用该乳液的卤化银彩色摄影感光材料，以及使用该材料，简单快速并且对环境施加极小负荷的彩色图像形成工艺。

公开(公告)号：US5478707A

公开(公告)日：1995-12-26

申请号：US240619

申请日：1994-05-11

申请人： Masahiro Asami

发明人： Masahiro Asami

IPC分类号： G03C1/015 ,  G03C1/035 ,  G03C1/07 ,  G03C7/30 ,  G03C7/392 ,  G03C1/815 ,  G03C1/005 ,  G03C1/09

CPC分类号： G03C7/39216 ,  G03C1/035 ,  G03C1/07 ,  G03C7/3022 ,  Y10S430/132

摘要： There is disclosed a silver halide photographic light-sensitive which is capable of providing a rapid processing as well as a high sensitivity and in which a change in an aging time in exposing through processing provides less performance fluctuation and therefore an excellent stability. The silver halide photographic light-sensitive material comprises a support and provided thereon at least one light-sensitive silver halide emulsion layer and at least one non-light-sensitive layer, wherein at least one of the above light-sensitive emulsion layers contains a silver halide emulsion grain which comprises silver bromochloride having a silver chloride content of 90% or more or silver chloride each containing substantially no silver iodide and in which 50% or more of a grain surface consists of a (111) plane; and further, at least one of the non-light-sensitive layers contains a compound represented by the following Formula (I): ##STR1## wherein X represents a hydrogen atom, a hydroxyl group, an amino group, or a sulfonamido group; R.sup.11 and R.sup.12 each represent the same group as that defined for X, an alkyl group, an aryl group, an amido group, a ureido group, an alkylthio group, an arylthio group, an alkoxy group, or an aryloxy group, and R.sup.11 and R.sup.12 may cooperate to form a carbon ring or a heterocyle; when X is a hydrogen atom, R.sup.11 represents a hydroxyl group, an amino group, or a sulfonamido group; R.sup.13 represents a hydrogen atom, a halogen atom, a sulfo group, a carboxyl group, an alkyl group, an acyl group, an oxycarbonyl group, a carbamoyl group, a sulfonyl group, or a sulfamoyl group; and, the compound represented by Formula (I) has a molecular weight of 390 or more.

摘要翻译： 公开了一种能够提供快速加工和高灵敏度的卤化银照相感光性，其中通过处理曝光的老化时间的变化提供较少的性能波动并因此具有优异的稳定性。 卤化银照相感光材料包括载体并且在其上提供至少一种感光卤化银乳剂层和至少一种非感光层，其中至少一种上述感光乳剂层含有银 卤化银乳剂颗粒，其包含氯化银含量为90％以上的溴氯化银或各自基本上不含碘化银的氯化银，其中50％以上的颗粒表面由（111）面组成; 另外，至少一个非感光层含有由下式（I）表示的化合物：其中X表示氢原子，羟基，氨基或亚磺酰氨基 组; R 11和R 12各自表示与X，烷基，芳基，酰胺基，脲基，烷硫基，芳硫基，烷氧基或芳氧基所定义的基团相同的基团，R 11和 R12可以配合形成碳环或杂环; 当X是氢原子时，R11表示羟基，氨基或亚磺酰氨基; R 13表示氢原子，卤素原子，磺基，羧基，烷基，酰基，氧羰基，氨基甲酰基，磺酰基或氨磺酰基。 式（I）表示的化合物的分子量为390以上。

公开(公告)号：US5230995A

公开(公告)日：1993-07-27

申请号：US691277

申请日：1991-04-25

申请人： Masahiro Asami

发明人： Masahiro Asami

IPC分类号： G03C1/015 ,  G03C1/12 ,  G03C1/29

CPC分类号： G03C1/015 ,  G03C1/12 ,  G03C1/29

摘要： In a method of manufacturing a silver halide emulsion which comprises a silver chlorobromide having a silver chloride content of 90 mol% or more or silver chloride and said silver halide containing substantially no silver iodide, the improvement which comprises the steps of,(i) adding to a reactor a compound capable of spectrally sensitizing the silver halide emulsion in a wavelength range between 590 nm and 720 nm, and(ii) then adding to the reactor a compound capable of spectrally sensitizing the silver halide emulsion in a wavelength range between 390 nm and 590 nm,prior to the completion of chemical sensitization of the silver halide emulsion, and color photographic material having the emulsion manufactured by the method.

摘要翻译： 在制备卤化银乳剂的方法中，其包含氯化银氯化物含量为90摩尔％以上的氯化银或氯化银，所述卤化银基本上不含碘化银，其改进包括以下步骤：（i）加入 向反应器提供能够在590nm至720nm波长范围内对卤化银乳剂进行光谱增感的化合物，和（ii）然后向反应器中加入能够在390nm波长范围内对卤化银乳剂进行光谱增感的化合物 在完成卤化银乳剂的化学增感之前和590nm，以及具有通过该方法制造的乳液的彩色照相材料。

公开(公告)号：US4865962A

公开(公告)日：1989-09-12

申请号：US138162

申请日：1987-12-28

申请人： Kazunori Hasebe ,  Masahiro Asami ,  Naoto Ohshima ,  Keisuke Shiba ,  Toshihiro Nishikawa ,  Kei Sakanoue ,  Akira Abe

发明人： Kazunori Hasebe ,  Masahiro Asami ,  Naoto Ohshima ,  Keisuke Shiba ,  Toshihiro Nishikawa ,  Kei Sakanoue ,  Akira Abe

IPC分类号： G03C1/08 ,  G03C1/015 ,  G03C1/035 ,  G03C1/07 ,  G03C1/09 ,  G03C1/12 ,  G03C1/22 ,  G03C5/29 ,  G03C7/30

CPC分类号： G03C1/015 ,  G03C1/035 ,  G03C1/09 ,  G03C5/29 ,  G03C7/3022 ,  G03C1/07 ,  G03C1/12 ,  G03C2001/0153 ,  G03C2001/03517 ,  G03C2001/03523 ,  G03C2001/03576 ,  G03C2001/091 ,  G03C2001/095 ,  G03C2001/348 ,  G03C2200/38

摘要： A photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, characterized in that the emulsion layer contains silver chlorobromide prepared in such a manner that silver halide regular crystal grains, having no twinning crystal plane and containing 50 mol % or more of silver chloride, are used as host grains, an organic compound is adsorbed on a surface of each of the host grains, and sulfur-plus-gold sensitization is performed, either during or after halide conversion in the presence of a bromide.

公开(公告)号：US4555468A

公开(公告)日：1985-11-26

申请号：US605727

申请日：1984-05-01

申请人： Takashi Yano ,  Masahiro Asami

发明人： Takashi Yano ,  Masahiro Asami

IPC分类号： C08F251/02 ,  G03C1/60 ,  G03C1/80 ,  G03C1/76

CPC分类号： G03C1/60 ,  C08F251/02

摘要： A photosensitive material of the diazonium type which comprises a support, a precoat layer thereon and a photosensitive layer of a diazonium compound is improved by using a graft copolymer on a cellulose derivative as the precoat layer. A hydrophilic epoxy compound may be used in the precoat layer and a coupler and a benzenediazonium hexafluorophosphate derivative may be used in the photosensitive layer.

摘要翻译： 通过在纤维素衍生物上使用接枝共聚物作为预涂层，改善了包含载体，其上的预涂层和重氮化合物的感光层的重氮型感光材料。 可以在预涂层中使用亲水性环氧化合物，并且可以在感光层中使用偶联剂和苯二氮六氟磷酸盐衍生物。

公开(公告)号：US06696113B2

公开(公告)日：2004-02-24

申请号：US10109651

申请日：2002-04-01

申请人： Ken Kawata ,  Masahiro Asami ,  Hideyuki Nishikawa

发明人： Ken Kawata ,  Masahiro Asami ,  Hideyuki Nishikawa

IPC分类号： C09K1938

CPC分类号： B82Y20/00 ,  C09K19/52 ,  G02F1/361 ,  G02F2202/36 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1041 ,  Y10T428/1082

摘要： A lyotropic liquid crystal composition comprises silver halide grains, silver grains or optically anisotropic grains dispersed in lyotropic liquid crystal. The grains have an aspect ratio of not less than 2.

摘要翻译： 溶致液晶组合物包含分散在溶致液晶中的卤化银颗粒，银颗粒或光学各向异性颗粒。 颗粒的纵横比不小于2。

公开(公告)号：US06555308B1

公开(公告)日：2003-04-29

申请号：US09660492

申请日：2000-09-12

申请人： Masahiro Asami ,  Tadanobu Sato ,  Tadashi Inaba

发明人： Masahiro Asami ,  Tadanobu Sato ,  Tadashi Inaba

IPC分类号： G03C105

CPC分类号： G03C1/08 ,  G03C1/0051 ,  G03C1/49827 ,  G03C1/49881

摘要： Disclosed is a silver halide photographic emulsion which comprises silver halide particles containing a polynuclear metal complex in which an organic compound is contained as a bridging ligand, wherein 50% or more of a projected area of the particles is occupied by tabular particles having a particle thickness of 0.3 &mgr;m or less. This photographic emulsion is high in sensitivity, as well as give high contrast and good graininess. Also disclosed are a light-sensitive material for photographing of high image quality, which contains the photographic emulsion, and a simple method for forming a color image wherein the light-sensitive material is used.

摘要翻译： 公开了一种卤化银照相乳剂，其包含含有多核金属络合物的卤化银颗粒，其中含有有机化合物作为桥接配体，其中颗粒的投影面积的50％或更多被具有颗粒厚度的片状颗粒占据 为0.3μm以下。 该摄影乳剂的灵敏度高，并且具有高对比度和良好的颗粒度。 还公开了用于拍摄含有照相乳剂的高图像质量的感光材料，以及用于形成使用感光材料的彩色图像的简单方法。

公开(公告)号：US06261749B1

公开(公告)日：2001-07-17

申请号：US09376298

申请日：1999-08-18

申请人： Masahiro Asami

发明人： Masahiro Asami

IPC分类号： G03C146

CPC分类号： G03C7/3041 ,  G03C1/0051 ,  G03C1/49818 ,  G03C1/49827 ,  G03C5/261 ,  G03C7/407 ,  G03C2007/3025

摘要： Disclosed is a ultrahigh speed silver halide color photographic material for picture-taking use, which comprises a support coated with at least three light-sensitive layers comprising blue-sensitive, green-sensitive and red-sensitive silver halide emulsions respectively: with the photographic material having a characteristic speed of at least 800 and the total silver coverage of at most 7.0 g/m2, and satisfying the following relation between the total silver coverage (X) and the characteristic speed (Y); (X)/(Y)½≦0.185, thereby ensuring excellent granularity and storage stability.

摘要翻译： 公开了一种用于摄影使用的超高速卤化银彩色照相材料，其包括涂覆有至少三个感光层的载体，所述感光层分别包括蓝色敏感性，绿色敏感性和红色感光卤化银乳剂：与照相材料 具有至少800的特征速度和至多7.0g / m 2的总银覆盖率，并且满足总银覆盖率（X）和特征速度（Y）之间的以下关系; （X）/（Y）1/2 <= 0.185，从而确保优异的粒度和储存稳定性。

公开(公告)号：US06228565B1

公开(公告)日：2001-05-08

申请号：US08959338

申请日：1997-10-28

申请人： Katsuhisa Ohzeki ,  Masahiro Asami

发明人： Katsuhisa Ohzeki ,  Masahiro Asami

IPC分类号： G03C738

CPC分类号： G03C8/4013 ,  G03C1/0051 ,  G03C7/3835 ,  G03C8/404 ,  G03C2200/03

摘要： Disclosed is a silver halide color photographic photosensitive material in which the photosensitive layer of the photosensitive material comprising a silver halide emulsion, a developing agent and a coupler is put together with the processing layer of a processing material so that these layers are heated to form a color image in the photosensitive material, said silver halide grains in the photosensitive layer having a silver chloride content of 50 mol % or more, wherein (1) the silver halide grains, in which 50% or more of the exterior faces of the grain is made up of a (111) plane, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the developing agent has a specific molecular structure, or (2) the tabular silver halide grains having an aspect ratio of 2 or more, which have the exterior faces of the grain made up of a (100) plane and a plane of projection of the grain in a shape of a rectangle with a length to width ratio ranging from 1:1 to 1:2, or which have the exterior faces of the grain made up of a (111) plane and a plane of projection in the shape of a hexagon with the ratio of the lengths of the neighboring sides ranging from 1:1 to 1:10, account for 50% or more of the total projected area of the silver halide grains of the emulsion, and the coupler is a pyrazolotriazole coupler having a specific molecular structure.

摘要翻译： 公开了一种卤化银彩色感光材料，其中包含卤化银乳剂，显影剂和成色剂的感光材料的感光层与处理材料的处理层放在一起，使得这些层被加热形成 在感光材料中的彩色图像，感光层中的卤化银颗粒的氯化银含量为50摩尔％以上，其中，（1）其中外观面的50％以上的卤化银颗粒为 由（111）面构成，占乳液的卤化银颗粒总投影面积的50％以上，显影剂具有特定的分子结构，或者（2）具有 纵横比为2以上，其具有由（100）面构成的谷物的外表面和谷物的投影平面，其长度与宽度之比为 1：1至1：2，或者具有由（111）面构成的颗粒的外表面和具有六边形形状的突出平面，其相邻长度的比例范围为1： 1至1:10，占乳液的卤化银颗粒总投影面积的50％或更多，并且成色剂是具有特定分子结构的吡唑并三唑成色剂。