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：US06902879B2

公开(公告)日：2005-06-07

申请号：US10228216

申请日：2002-08-27

申请人： Tadashi Inaba ,  Takahiro Matsuno ,  Tadanobu Sato

发明人： Tadashi Inaba ,  Takahiro Matsuno ,  Tadanobu Sato

IPC分类号： C07F15/00 ,  G03C1/005 ,  G03C1/09 ,  G03C1/06

CPC分类号： G03C1/09 ,  C07F15/004 ,  G03C1/0053 ,  G03C1/08 ,  G03C2001/093

摘要： Provided are a silver halide photographic emulsion containing a metal complex represented by the following formula (I): Mm[IrCln(L1)k(L2)6-n-k]  (I) wherein, M represents a cation or anion, m represents an integer of 0 to 4, n represents an integer of 3 to 5, k represents an integer of 0 to 3, L1 represents a ligand selected from the group consisting of pyrroles, thiophenes, pyrazoles, isoxazoles, isothiazoles, imidazole, oxazoles, furazanes, heterocycles having at least 3 hetero atoms and ureas, L2 represents an inorganic ligand other than Cl with the proviso that when k represents 0, L2 represents none of F, Br, I, NO, H2O, CO and C2O4; and a metal complex represented by the following formula (IV): Nk′[IrX6-n′Qn′]  (IV) wherein, N represents a counter cation; X represents a halogen ion; Q represents a compound which contains at least three atoms selected from nitrogen and sulfur atoms, and 5 or less carbon atoms, may contain another atom, and exhibits a ratio of (the number of carbon atoms)/(the total number of nitrogen atoms+oxygen atoms+sulfur atoms) of less than 0.5; n′ represents an integer of 1 or 2 and k′ represents the number of counter cations necessary for neutralizing the charge of a complex salt.

公开(公告)号：US06911303B2

公开(公告)日：2005-06-28

申请号：US10355291

申请日：2003-01-31

申请人： Tadanobu Sato ,  Tadashi Inaba

发明人： Tadanobu Sato ,  Tadashi Inaba

IPC分类号： G03C1/08 ,  G03C1/06 ,  G03C1/005 ,  G03C1/494

CPC分类号： G03C1/08

摘要： A light-sensitive silver halide grain having an absorption band in a wavelength region of visible light is prepared to provide a silver halide photographic material having high spectral sensitivity in the visible region. The silver halide photographic material contains the light-sensitive silver halide grain having a metal complex dopant having an absorption band which has a molar absorption coefficient of 10,000 or more in a wavelength region of visible light in an ultraviolet-visible absorption spectrum of a solution thereof.

摘要翻译： 制备在可见光波长区域具有吸收带的感光卤化银颗粒，以提供在可见光区域具有高光谱灵敏度的卤化银照相材料。 卤化银照相材料含有具有金属络合物掺杂剂的感光卤化银颗粒，其吸收带在其可溶解的紫外 - 可见吸收光谱中的可见光波长范围内具有10,000或更高的摩尔吸光系数 。

公开(公告)号：US06372419B1

公开(公告)日：2002-04-16

申请号：US09614454

申请日：2000-07-12

申请人： Tadashi Inaba ,  Tadanobu Sato ,  Kohzaburoh Yamada ,  Takahiro Matsuno

发明人： Tadashi Inaba ,  Tadanobu Sato ,  Kohzaburoh Yamada ,  Takahiro Matsuno

IPC分类号： G03C1035

CPC分类号： G03C1/08 ,  G03C1/0051 ,  G03C7/30 ,  G03C2001/0055 ,  G03C2001/0056 ,  Y10S430/137

摘要： A silver halide photographic material comprising a support having provided thereon at least a silver halide emulsion layer, wherein the material contains at least one metal complex contained in any of groups A, B and C: group A: an optically active metal complex; group B: a metal complex comprising a metal ion selected from the group consisting of transition metallic elements belonging to period 4 to 6 and group III to XI of the Periodic Table, and typical metallic elements belonging to period 4 to 6 and group XII to XIV of the Periodic Table, and at least one ligand represented by the following formula (I): wherein Z represents an atomic group to form a 5- or 6-membered ring; A represents a carbon atom or a nitrogen atom; X represents O31, S31 , NR1R2 or COO−; R1 and R2 each represents a hydrogen atom or an alkyl group; R represents a substituent; and n represents 0 or an integer of from 1 to 6; group C: a metal complex selected from a porphyrin complex, a porphycene complex, a phthalocyanine complex, a chlorin complex, and a bacteriochlorin complex.

摘要翻译： 一种卤化银照相材料，其包含至少提供有卤化银乳剂层的载体，其中所述材料包含至少一种包含在A，B和C组中的任何一种金属络合物：A组：光学活性金属络合物; B族 ：金属络合物，其包含选自属于周期表4至6和第III至XI族的过渡金属元素的金属离子，以及属于第4至6周期的典型金属元素和第Ⅳ〜ⅩⅣ族的金属元素 周期表和由下式（I）表示的至少一种配体：其中Z表示形成5-或6-元环的原子团; A表示碳原子或氮原子; X表示O31，S31，NR1R2或COO-; R1和R2各自表示氢原子或烷基; R表示取代基; n表示0或1〜6的整数; C组：选自卟啉络合物，卟吩络合物，酞菁络合物，二氢卟酚络合物和细菌菌素复合物的金属络合物。

公开(公告)号：US06610467B2

公开(公告)日：2003-08-26

申请号：US09953289

申请日：2001-09-17

申请人： Masahiro Asami ,  Makoto Kikuchi ,  Tadanobu Sato

发明人： Masahiro Asami ,  Makoto Kikuchi ,  Tadanobu Sato

IPC分类号： G03C1025

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.

公开(公告)号：US07238468B2

公开(公告)日：2007-07-03

申请号：US10798415

申请日：2004-03-12

申请人： Naoto Ohshima ,  Tadanobu Sato ,  Tadashi Inaba

发明人： Naoto Ohshima ,  Tadanobu Sato ,  Tadashi Inaba

IPC分类号： G03C1/06 ,  G03C1/005 ,  G03C1/494

CPC分类号： G03C7/407 ,  G03C1/08 ,  G03C7/3022 ,  G03C7/3041 ,  G03C2001/03517 ,  G03C2007/3025 ,  G03C2200/52

摘要： To provide a silver halide color photographic light-sensitive material having higher sensitivity and higher contrast and free of reciprocity failure over a wide range of exposure illuminance, A silver halide emulsion comprising a silver halide grain containing at least two metal complexes each giving an average electron releasing time of 10−5 to 3 seconds, the ratio in the average electron releasing time between these two metal complexes being at least 3 times or more and in these metal complexes, the content of the metal complex having a shorter average electron releasing time being 3 times or more as the molar ratio to the content of the metal complex having a longer average electron releasing time.

摘要翻译： 提供具有更高灵敏度和更高对比度的卤化银彩色照相感光材料，并且在宽范围的曝光照度下不产生互易失效。卤化银乳剂包含含有至少两个金属配合物的卤化银颗粒，各自给出平均电子 释放时间为10 -5秒至3秒，这两种金属配合物之间的平均电子释放时间的比例为至少3倍以上，在这些金属配合物中，金属络合物的含量为 平均电子释放时间比平均电子释放时间更长的金属络合物的摩尔比为3倍以上。

公开(公告)号：US06808870B2

公开(公告)日：2004-10-26

申请号：US10251775

申请日：2002-09-23

申请人： Tadanobu Sato ,  Takahiro Matsuno ,  Masaru Takasaki ,  Tadashi Inaba

发明人： Tadanobu Sato ,  Takahiro Matsuno ,  Masaru Takasaki ,  Tadashi Inaba

IPC分类号： G03C1005

CPC分类号： G03C1/08 ,  G03C1/035 ,  G03C2001/03517 ,  G03C2001/03535

摘要： A light-sensitive silver halide grain containing at least one metal complex, wherein when an a-axis, a b-axis and a c-axis of a silver halide crystal lattice are each established taking as an origin a central metal of the metal complex incorporated into the silver halide grain, the metal complex has in a ligand thereof a site which can form any bond of a covalent bond, a dative bond and an ionic bond, or a bond in a mixed form of these bonds with a silver ion on a lattice point which does not exist on any of the a-axis, the b-axis and the c-axis. The silver halide photographic material has no reciprocity failure over a wide range of exposure illuminations without desensitization and decrease of contrast on the low intensity side.

摘要翻译： 含有至少一种金属络合物的感光卤化银颗粒，其中当卤化银晶格的a轴，b轴和c轴各自被确定为金属络合物的中心金属时 掺入卤化银颗粒中，金属络合物在其配体中具有可以形成共价键，定位键和离子键的任何键的位点，或这些键与银离子的混合形式的键 在a轴，b轴和c轴上不存在的格点。 卤化银照相材料在宽范围的曝光照明下没有互易失效，而在低强度侧没有脱敏和降低对比度。

公开(公告)号：US06723496B2

公开(公告)日：2004-04-20

申请号：US09789802

申请日：2001-02-22

申请人： Tadanobu Sato ,  Takahiro Matsuno ,  Tadashi Inaba

发明人： Tadanobu Sato ,  Takahiro Matsuno ,  Tadashi Inaba

IPC分类号： G03C109

CPC分类号： G03C1/08 ,  G03C1/09

摘要： A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the material is contained at least one complex selected from complexes having a compound represented by the following formula (I) as at least one of their respective ligands or complexes having a diketone compound as at least one of their respective ligands: wherein X represents an atom or atomic group bridging two pyridine rings, each of R1 to R4 represents a hydrogen atom or a substituent group, and each of R1′ to R2′ represents a hydrogen atom or a substituent group.

摘要翻译： 一种卤化银照相材料，其包含其上具有至少一个卤化银乳剂层的载体，其中所述材料含有至少一种选自具有下式（I）表示的化合物的络合物的络合物作为其各自配位体中的至少一种或 具有二酮化合物作为其各自配体中的至少一种的络合物：其中X表示桥接两个吡啶环的原子或原子团，R 1至R 4各自表示氢原子或取代基，并且R 1'至R 2'各自表示 氢原子或取代基。

公开(公告)号：US06638702B2

公开(公告)日：2003-10-28

申请号：US09987399

申请日：2001-11-14

申请人： Tadanobu Sato ,  Tomonori Owaki ,  Takahiro Matsuno ,  Tadashi Inaba

发明人： Tadanobu Sato ,  Tomonori Owaki ,  Takahiro Matsuno ,  Tadashi Inaba

IPC分类号： G03C1005

CPC分类号： G03C1/08

摘要： The Silver halide grains in the silver halide emulsion is disclosed, comprising silver halide grains containing three or more kinds of transition metal complexes each having a different electron-releasing time respectively classified into any of Class A (100 seconds or more), Class B (more than 1/10 seconds and less than 100 seconds), Class C (more than 1/1000 seconds and 1/10 seconds or less) and Class D (1/1000 seconds or less).

摘要翻译： 公开了卤化银乳剂中的卤化银颗粒，其包含含有三种或更多种各自具有不同电子释放时间的过渡金属配合物的卤化银颗粒，分别分类为A类（100秒以上），B类（ 超过1/10秒，小于100秒），C级（1/1000秒，1/10秒以下）和D级（1/1000秒以下）。

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。