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公开(公告)号：US06485898B2
公开(公告)日：2002-11-26
申请号：US09754371
申请日：2001-01-05
Applicant: Yasuhiro Yoshioka , Kouta Fukui , Makoto Suzuki
Inventor： Yasuhiro Yoshioka , Kouta Fukui , Makoto Suzuki
IPC: G03C1498
CPC classification number: G03C1/49827 , G03C1/49845
Abstract: A photothermographic material comprising a defined amount of a compound represented by the following general formula as a reducing agent is disclosed. In the following general formula, R1 and R1′ each independently represent an alkyl group, at least one of which is a secondary or tertiary alkyl group; R2 and R2′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring; L represents —S— group or a —CH(R3)— group where R3 represents hydrogen atom or an alkyl group; and X and X′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring. The photothermographic material is characterized by providing sufficient image density by heat development, and showing good silver color tone and little change with time after the development.
Abstract translation: 公开了一种含有限定量的由以下通式表示的化合物作为还原剂的光热敏成像材料。 在下列通式中，R 1和R 1'各自独立地表示烷基，其中至少一个是仲或叔烷基; R2和R2'各自独立地表示氢原子或可以是苯环上的取代基的基团; L表示-S-基或-CH（R3） - 基，其中R3表示氢原子或烷基; X和X'各自独立地表示氢原子或可以作为苯环上的取代基的基团。 光热照相材料的特征在于通过热显影提供足够的图像密度，并且在显影后显示出良好的银色调和随时间的变化。
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公开(公告)号：US5719018A
公开(公告)日：1998-02-17
申请号：US633382
申请日：1996-04-17
Applicant: Taiji Katsumata , Hiroo Takizawa , Yasuhiro Yoshioka , Masakazu Morigaki
Inventor： Taiji Katsumata , Hiroo Takizawa , Yasuhiro Yoshioka , Masakazu Morigaki
CPC classification number: G03C7/30535 , G03C7/39252 , G03C7/3022
Abstract: A silver halide color light-sensitive material is disclosed comprising a support having thereon at least one layer containing at least one yellow dye forming coupler represented by formula (I) ##STR1## wherein Z represents a nonmetallic atom group necessary for forming a 5-membered ring represented by formula (II-1) or (II-2): ##STR2## and the remaining substituents are as defined herein the specification.
Abstract translation: 公开了一种卤化银颜色感光材料，其包括其上具有至少一层的载体，所述至少一层包含至少一种由式（I）表示的黄色染料形成成色剂（I），其中Z表示形成 （II-1）或（II-2）表示的5元环：其中的取代基如本说明书所定义。
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公开(公告)号：US5547826A
公开(公告)日：1996-08-20
申请号：US532525
申请日：1995-09-22
Applicant: Takayuki Ito , Yasuhiro Shimada , Koushin Matsuoka , Yasuhiro Yoshioka
Inventor： Takayuki Ito , Yasuhiro Shimada , Koushin Matsuoka , Yasuhiro Yoshioka
CPC classification number: G03C7/30529 , G03C7/383
Abstract: A silver halide photographic material comprising a support having provided thereon at least one layer containing a coupler represented by formula (I) ##STR1## wherein Za represents --C(R.sub.3).dbd. or --N.dbd., provided that when Za represents --N.dbd., Zb represents --C(R.sub.3).dbd. and when Za represents --C(R.sub.3).dbd., Zb represents --N.dbd.; R.sub.1 and R.sub.2 each represents an electron withdrawing group having a Hammett's substituent constant, .sigma..sub.p, of from 0.20 to 1.0; R.sub.3 represents a substituent; R.sub.4 and R.sub.5 are the same or different, and each represents a hydrogen atom, an aliphatic group, an aryl group or a heterocyclic group; and R.sub.4 and R.sub.5 may combine with each other to form a 5-membered ring or a 6-membered ring and the 5-membered ring or the 6-membered ring may form a condensed ring with a benzene ring or a heterocyclic ring.
Abstract translation: 一种卤化银照相材料，其包括在其上提供至少一层含有式（I）-N表示的成色剂的载体的载体，条件是当Za表示-N =时，Zb表示-C（R3）=，当Za表示 - C（R3）=，Zb表示-N =; R1和R2各自表示具有哈米特取代基常数的锡吸收基团，σp为0.20至1.0; R3表示取代基; R 4和R 5相同或不同，各自表示氢原子，脂族基，芳基或杂环基; 并且R 4和R 5可以彼此结合形成5元环或6元环，并且5元环或6元环可以与苯环或杂环形成稠环。
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公开(公告)号：US5521058A
公开(公告)日：1996-05-28
申请号：US377239
申请日：1995-01-24
Applicant: Yasuhiro Yoshioka , Hidetoshi Kobayashi
Inventor： Yasuhiro Yoshioka , Hidetoshi Kobayashi
CPC classification number: G03C7/3013
Abstract: A multilayer silver halide color light-sensitive material including a yellow color-forming silver halide emulsion layer, a magenta color-forming silver halide emulsion layer, and a cyan color-forming silver halide emulsion layer, on a support. The light-sensitive material contains, in the yellow color-forming silver halide emulsion layer, at least one acylacetamide-type yellow coupler having an acyl group of a specified structure, and at least one organic compound selected from the group consisting of specified epoxy compounds, specified amide compounds, and esters having a melting point of 25.degree. C. or more at normal pressure and a molecular weight of 1000 or less.
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公开(公告)号：US5462845A
公开(公告)日：1995-10-31
申请号：US275333
申请日：1994-07-14
Applicant: Yasuhiro Yoshioka
Inventor： Yasuhiro Yoshioka
CPC classification number: G03C1/95 , G03C1/79 , G03C7/3013
Abstract: A silver halide color photographic light-sensitive material capable of providing a dye image having excellent color reproduction performance, sharpness and image fastness is disclosed. The light-sensitive material includes a reflective support having provided thereon (a) at least three light-sensitive hydrophilic colloid layers on one side of the reflective support, with at least one light-sensitive layer containing a yellow color-developing coupler and silver halide grains, at least one light,sensitive layer containing a magenta color-developing coupler and silver halide grains, and at least one light-sensitive layer containing a cyan color-developing coupler and silver halide emulsion grains, with each light-sensitive layer having a different color sensitivity from the other light-sensitive layers, and (b) a light-insensitive hydrophilic colloid layer; wherein on at least the side of the support on which the light-sensitive layers are coated, the surface of the support is coated with a composition prepared by mixing and dispersing a white pigment in a resin comprising mainly polyester synthesized by the polycondensation of a dicarboxylic acid and a diol, and a yellow coupler-containing layer contains at least one of the dye-forming couplers represented by formula (I), (II) or (III) as described in the specification.
Abstract translation: 公开了能够提供色彩再现性能，清晰度和图像牢度优异的染料影像的卤化银彩色照相感光材料。 感光材料包括反射支撑体，其上设置有至少三个在反射支撑体的一侧上的光敏亲水胶体层（a），至少一个含有黄色显影成色剂和卤化银的感光层 颗粒，至少一个含有品红显色成色剂和卤化银颗粒的感光层，以及含有青色显色成色剂和卤化银乳剂颗粒的至少一个感光层，每个感光层具有 与其他感光层的颜色敏感度不同，（b）不敏感的亲水胶体层; 其中在其上涂覆有感光层的载体的至少一侧上，通过将白色颜料混合并分散在主要由通过二羧酸的缩聚合成的聚酯的树脂中制备的组合物涂覆载体的表面 酸和二醇，并且含黄色成色剂的层包含如说明书中所述的由式（I），（II）或（III）表示的染料形成成色剂中的至少一种。
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Patent Agency Ranking
公开(公告)号：US5418121A
公开(公告)日：1995-05-23
申请号：US871762
申请日：1992-04-17
Applicant: Yasuhiro Yoshioka , Hidetoshi Kobayashi
Inventor： Yasuhiro Yoshioka , Hidetoshi Kobayashi
CPC classification number: G03C7/3013
Abstract: A multilayer silver halide color light-sensitive material including a yellow color-forming silver halide emulsion layer, a magenta color-forming silver halide emulsion layer, and a cyan color-forming silver halide emulsion layer, on a support. The light-sensitive material contains, in the yellow color-forming silver halide emulsion layer, at least one acylacetamide-type yellow coupler having an acyl group of a specified structure, and at least one organic compound selected from the group consisting of specified epoxy compounds, specified amide compounds, and esters having a melting point of 25.degree. C. or more at normal pressure and a molecular weight of 1000 or less.
Abstract translation: 一种多层卤化银彩色感光材料，其包含形成黄色的卤化银乳剂层，品红色形成卤化银乳剂层和形成青色的卤化银乳剂层。 感光材料在黄色形成卤化银乳剂层中含有至少一种具有特定结构的酰基的酰基乙酰胺型黄色成色剂和至少一种选自特定的环氧化合物的有机化合物 ，指定的酰胺化合物和在常压下分子量为1000以下的熔点为25℃以上的酯。
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公开(公告)号：US5411846A
公开(公告)日：1995-05-02
申请号：US94217
申请日：1993-07-21
Applicant: Nobuo Seto , Yasuhiro Yoshioka , Masakazu Morigaki
Inventor： Nobuo Seto , Yasuhiro Yoshioka , Masakazu Morigaki
CPC classification number: G03C7/39268
Abstract: A novel silver halide color photographic material comprising a support provided thereon at least one layer containing at least one compound represented by the following general formula (A): ##STR1## In the formula, L.sub.1 represents an alkylene or arylene group; R.sub.1 represents a substituent which can be substituted for a hydrogen of the benzene ring; m represents an integer 2 to 7; and n is 0 or an integer of 1 to 4, with the proviso that when either or both of m and n are at least two, the plurality of L.sub.1 groups and/or R.sub.1 groups may be the same or different, and with the proviso that the compound of formula (A) does not form a polymer via an R.sub.1 group. In a preferred embodiment, at least one compound represented by formula (A) is incorporated into a photographic silver halide emulsion layer.
Abstract translation: 一种新颖的卤化银彩色照相材料，其中包含至少一层含有至少一种由以下通式（A）表示的化合物的载体的载体：式中，L1表示亚烷基或亚芳基; R1表示可以取代苯环的氢的取代基; m表示2〜7的整数， 并且n为0或1至4的整数，条件是当m和n中的任一个或两者至少为2时，多个L1基团和/或R 1基团可以相同或不同，并且条件是 式（A）的化合物不通过R 1基团形成聚合物。 在优选的实施方案中，将至少一种由式（A）表示的化合物引入到照相卤化银乳剂层中。
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公开(公告)号：US5397688A
公开(公告)日：1995-03-14
申请号：US64796
申请日：1993-05-21
Applicant: Yasuhiro Yoshioka
Inventor： Yasuhiro Yoshioka
CPC classification number: G03C7/3013 , G03C1/053 , G03C7/36 , G03C7/396
Abstract: In a multilayered silver halide color light-sensitive sensitive material having a yellow dye forming silver halide emulsion layer, a magenta dye forming silver halide emulsion layer, and a cyan dye forming silver halide emulsion layer on a support, at least one type of an acylacetamide-based yellow coupler in which the acyl group in the acylacetamide is represented by formula (I) below and at least one type of a water-insoluble polymer are contained in the yellow dye forming layer, In formula (I), R.sub.1 represents a monovalent group, and Q represents a nonmetallic atom group required to form, together with C, a 3- to 5-membered hydrocarbon ring or a 3- to 5-membered heterocyclic ring having at least one hereto atom selected from N, S, O, and P in the ring, R.sub.1 is not a hydrogen atom and is not combined with Q to form a ring: ##STR1##
Abstract translation: 在具有黄色染料形成卤化银乳剂层的多层卤化银色光敏感材料中，形成卤化银乳剂层的品红色染料和载体上形成青色染料的卤化银乳剂层，至少一种酰基乙酰胺 基团的黄色成色剂，其中酰基乙酰胺中的酰基由下式（I）表示，至少一种类型的水不溶性聚合物包含在黄色染料形成层中。在式（I）中，R 1表示一价 基团，Q表示与C一起形成具有至少一个选自N，S，O，O的至少一个原子的3至5元烃环或3至5元杂环所需的非金属原子团， 和P在环中，R 1不是氢原子并且不与Q结合形成环：式（I）
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59.发明授权
公开(公告)号：US5359080A
公开(公告)日：1994-10-25
申请号：US17447
申请日：1993-02-12
Applicant: Yoshio Shimura , Hidetoshi Kobayashi , Yasuhiro Yoshioka
Inventor： Yoshio Shimura , Hidetoshi Kobayashi , Yasuhiro Yoshioka
IPC: C07C235/80 , C07D233/66 , G03C7/305 , C07D233/78 , C07C233/14 , C07C311/08
CPC classification number: C07D233/66 , C07C235/80 , G03C7/30535 , C07C2101/02
Abstract: There is disclosed an acylacetamide-type yellow coupler having an acyl group represented by formula (I) and a silver halide color photographic material containing same. ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having in the group at least one hetero atom selected from a group consisting of N, 0, S, and P, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring.
Abstract translation: 公开了具有由式（I）表示的酰基的酰基乙酰胺型黄色成色剂和含有它的卤化银彩色感光材料。 式（I）其中R1表示一价基团，Q表示与C一起形成取代或未取代的3至5元环状烃基所需的一组非金属原子或取代或未取代的3- 至少一个选自N，O，S和P的杂原子的5元杂环基团，条件是R 1不是氢原子并且不与Q键合形成环。
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公开(公告)号：US5328817A
公开(公告)日：1994-07-12
申请号：US870928
申请日：1992-04-20
Applicant: Hajime Nakagawa , Yasuhiro Yoshioka
Inventor： Hajime Nakagawa , Yasuhiro Yoshioka
CPC classification number: G03C7/3225
Abstract: There is disclosed a silver halide color photographic material which comprises at least one yellow coupler represented by the following formulas (1) or (2), and at least one cyan coupler represented by the following formula (C): ##STR1## wherein X.sup.1 and X.sup.2 each represent an alkyl group, an aryl group, or a heterocyclic group, X.sup.3 represents an organic residue required to form a nitrogen-containing heterocyclic group together with >N--, Y represents an aryl group or a heterocyclic group, and Z represents a group capable of being released upon a coupling reaction of the coupler represented by said formula with the oxidized product of a developing agent, ##STR2## wherein R.sub.1 represents an alkyl group, an aryl group, or a heterocyclyc group, R.sub.2 represents an alkyl group having 2 or more carbon atoms, R.sub.3 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a carbonamido group, or a ureido group, X represents a hydrogen atom or a coupling split-off group, and n is an integer of 0 or 1.
Abstract translation: 公开了一种卤化银彩色照相材料，其包含至少一种由下式（1）或（2）表示的黄色成色剂和至少一种由下式（C）表示的青色成色剂：式（1） 式（2）其中X1和X2各自表示烷基，芳基或杂环基，X3表示与> N-形成含氮杂环基所需的有机残基，Y表示 芳基或杂环基，Z表示在上述式表示的成色剂与显影剂的氧化物的偶联反应后能够释放的基团，其中R 1表示烷基， 芳基或杂环基，R2表示碳原子数2以上的烷基，R3表示氢原子，卤素原子，烷基，芳基，烷氧基，芳氧基，碳酰氨基 ，或脲基，X 表示氢原子或偶联分离基，n为0或1的整数。
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