公开(公告)号：US5338654A

公开(公告)日：1994-08-16

申请号：US58924

申请日：1993-05-10

Applicant: Naoki Saito ,  Takayoshi Kamio ,  Seiji Ichijima ,  Keiji Mihayashi

Inventor： Naoki Saito ,  Takayoshi Kamio ,  Seiji Ichijima ,  Keiji Mihayashi

IPC: G03C1/005 ,  G03C1/035 ,  G03C1/09 ,  G03C7/305 ,  G03C7/36 ,  G03C1/08 ,  G03C7/26 ,  G03C7/32

CPC classification number: G03C7/30535 ,  G03C1/0051 ,  G03C1/035 ,  G03C1/09 ,  G03C2001/0056 ,  G03C2001/03535 ,  G03C2001/03582

Abstract: A silver halide color photographic material containing at least one coupler compound of the formula (1) in at least one hydrophilic colloid layer which is provided on a support:R.sup.1 OCOCHXCONR.sup.2 R.sup.3 (1)where R.sup.1 represents a branched alkyl group including a cyclic alkyl group and a cyclic alkyl-substituted alkyl group, an aryl group or a heterocyclic group; R.sup.2 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.3 represents an alkyl group, an aryl group or a heterocyclic group; X represents a group which splits off from the coupler compound when the coupler compound is reacted with an oxidation product of an aromatic primary amine developing agent; and R.sup.2 and R.sup.3 may be bonded to each other to form a ring. The coupler has a high dye-forming rate to give a dye having a high color density and a high color fastness. The material has improved sharpness and color fastness and an elevated sensitivity.

Abstract translation: 在至少一个亲水胶体层中含有至少一种式（1）的成色剂化合物的卤化银彩色照相材料，其设在载体上：R1OCOCHXCONR2R3（1），其中R1表示包括环状烷基的支链烷基和 环烷基取代的烷基，芳基或杂环基; R2表示氢原子，烷基，芳基或杂环基; R3表示烷基，芳基或杂环基; X表示当成色剂化合物与芳族伯胺显影剂的氧化产物反应时从成色剂化合物分解的基团; 并且R 2和R 3可以彼此键合形成环。 该成色剂具有高的染色成型速度，得到具有高色密度和高色牢度的染料。 该材料具有改善的清晰度和色牢度和灵敏度提高。

公开(公告)号：US5213958A

公开(公告)日：1993-05-25

申请号：US779374

申请日：1991-10-18

Applicant: Masuji Motoki ,  Seiji Ichijima ,  Naoki Saito ,  Takayoshi Kamio ,  Keiji Mihayashi

Inventor： Masuji Motoki ,  Seiji Ichijima ,  Naoki Saito ,  Takayoshi Kamio ,  Keiji Mihayashi

IPC: G03C7/36 ,  G03C7/305

CPC classification number: G03C7/30535

Abstract: A silver halide color photographic photosensitive material comprising a yellow image forming photographic coupler, which is capable of forming images having excellent color reproduction and image fastness, and which has a high reactivity with an oxidized form of a developing agent. The aforementioned object has been realized by means of a silver halide color photographic photosensitive material containing a coupler represented by general formula (I): ##STR1## wherein X represents an organic residual group which is required, together with the nitrogen atom, to form a nitrogen containing heterocyclic ring, Y represents an aromatic group or a heterocyclic group, and Z represents a group which is eliminated when the coupler represented by said general formula reacts with the oxidized form of a developing agent.

公开(公告)号：US5238803A

公开(公告)日：1993-08-24

申请号：US789825

申请日：1991-11-08

Applicant: Seiji Ichijima ,  Naoki Saito ,  Keiji Mihayashi

Inventor： Seiji Ichijima ,  Naoki Saito ,  Keiji Mihayashi

IPC: G03C7/36 ,  G03C7/305

CPC classification number: G03C7/30535

Abstract: The present invention relates to a silver halide color photographic photosensitive material which contains a coupler which can be represented by formula (1): ##STR1## wherein X1 and X2 each represent an alkyl group or a heterocyclic group, Y represents an aryl group or a heterocyclic group, and Z represents a group which is eliminated when the coupler which is represented by formula (1) reacts with an oxidized form of a developing agent.

Abstract translation: 本发明涉及一种含有可由式（1）表示的成色剂的卤化银彩色感光材料：其中X 1和X 2各自表示烷基或杂环基，Y表示 芳基或杂环基，Z表示当由式（1）表示的成色剂与显影剂的氧化形式反应时被除去的基团。

公开(公告)号：US5449598A

公开(公告)日：1995-09-12

申请号：US43730

申请日：1993-04-06

Applicant: Naoki Saito ,  Seiji Ichijima ,  Masuji Motoki ,  Takayoshi Kamio ,  Keiji Mihayashi

Inventor： Naoki Saito ,  Seiji Ichijima ,  Masuji Motoki ,  Takayoshi Kamio ,  Keiji Mihayashi

IPC: G03C7/36 ,  G03C7/305 ,  G03C7/32

CPC classification number: G03C7/30535 ,  G03C7/3212

Abstract: A silver halide color photographic material is disclosed, which comprises a support having provided thereon at least one hydrophilic colloidal layer, wherein the hydrophilic colloidal layer contains a novel coupler compound having a high dye forming rate and a high color density represented by general formula (I):(R.sup.1 COCHXCONR.sup.2 R.sup.3)--(CONHSO.sub.2 R.sup.4).sub.n(I)wherein R.sup.1 represents an alkyl group, an aryl group, a heterocyclic group, --NR.sup.5 R.sup.6 or --OR.sup.7 ; R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.4 represents an alkyl group, aryl group, heterocyclic group or --NR.sup.8 R.sup.9 ; R.sup.5, R.sup.6, R.sup.8 and R.sup.9 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.7 represents an alkyl group, an aryl group or a heterocyclic group; X represents a group capable of being released as an anion (X.sup.-) when the coupler compound reacts with an oxidation product of an aromatic primary amine developing agent; and n represents an integer of 1 or more, with the proviso that R.sup.1 and R.sup.4, R.sup.2 and R.sup.4, R.sup.3 and R.sup.4, R.sup.2 and R.sup.3, R.sup.5 and R.sup.6, or R.sup.8 and R.sup.9 may be connected to each other to form a ring. The silver halide color photographic material using the novel coupler compound provides a higher sharpness and a higher sensitivity.

Abstract translation: 公开了一种卤化银彩色照相材料，其包括其上提供有至少一个亲水性胶体层的载体，其中亲水性胶体层含有由通式（I）表示的高染料形成速率和高色密度的新型成色剂化合物 ）：（R1COCHXCONR2R3） - （CONHSO2R4）n（I）其中R1表示烷基，芳基，杂环基，-NR5R6或-OR7; R2和R3各自独立地表示氢原子，烷基，芳基或杂环基; R 4表示烷基，芳基，杂环基或-NR 8 R 9; R5，R6，R8和R9各自独立地表示氢原子，烷基，芳基或杂环基; R 7表示烷基，芳基或杂环基; X表示当成色剂化合物与芳族伯胺显影剂的氧化产物反应时能够作为阴离子（X-）释放的基团; 并且n表示1或更大的整数，条件是R 1和R 4，R 2和R 4，R 3和R 4，R 2和R 3，R 5和R 6或R 8和R 9可彼此连接形成环。 使用新型耦合剂化合物的卤化银彩色照相材料提供更高的清晰度和更高的灵敏度。

公开(公告)号：US5312726A

公开(公告)日：1994-05-17

申请号：US666995

申请日：1991-03-11

Applicant: Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

Inventor： Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

IPC: C07D209/48 ,  C07D231/14 ,  C07D231/16 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/32 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  C07D521/00 ,  G03C7/305 ,  G03L7/36

CPC classification number: C07D209/48 ,  C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D233/56 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/08 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  G03C7/30511 ,  G03C7/30535 ,  G03C7/30558 ,  Y10S430/158

Abstract: A silver halide color light-sensitive material including a support having thereon at least one hydrophilic colloidal layer is disclosed, wherein the hydrophilic colloidal layer contains a DIR coupler represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R.sup.2 represents an organic group; X and Y each represent --N.dbd. or ##STR2## wherein R.sup.3 represents a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, an acyl group, an acylamino group, a carbamoyl group, a carbamoylamino group, a sulfonyl group, a sulfonylamino group, a sulfamoyl group, a sulfamoylamino group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, a hydroxyl group, a sulfenyl group, a sulfinyl group, an aliphatic group, an aromatic group, or a heterocyclic group; and Z represents a releasable group which is released on reacting with an oxidation product of an aromatic primary amine developing agent to become a development inhibitor or a precursor thereof and which diffuses into a color developing solution and then decomposes to a compound having no substantial influence on photographic properties.

Abstract translation: 公开了一种卤化银色感光材料，其包括其上具有至少一个亲水性胶体层的载体，其中亲水性胶体层含有由式（I）表示的DIR成色剂：其中R1表示氢原子 脂肪族基，芳香族基或杂环基; R2表示有机基团; X和Y各自表示-N =或，其中R 3表示氢原子，卤素原子，氰基，硝基，氨基，酰基，酰氨基，氨基甲酰基，氨基甲酰基氨基 磺酰基氨基，氨磺酰基，氨磺酰氨基，烷氧基，芳氧基，烷氧基羰基，芳氧基羰基，羟基，亚磺酰基，亚磺酰基，脂族基， 芳族基团或杂环基团; Z表示与芳香族伯胺显影剂的氧化物反应而释放而成为显影抑制剂或其前体的可释放性基团，并扩散至显色性溶液中，然后分解成不具有显着影响的化合物 摄影属性。

公开(公告)号：US5194369A

公开(公告)日：1993-03-16

申请号：US668120

申请日：1991-03-12

Applicant: Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

Inventor： Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

IPC: C07D209/48 ,  C07D231/14 ,  C07D231/16 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/32 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  C07D521/00 ,  G03C7/305 ,  G03C7/36

CPC classification number: C07D209/48 ,  C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D233/56 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/08 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  G03C7/30511 ,  G03C7/30535 ,  G03C7/30558 ,  Y10S430/158

Abstract: A silver halide color light-sensitive material containing a coupler represented by formula (I): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group; R.sub.2 and R.sub.3, same or different, each represent a group capable of substituting a benzene ring; Y represents a halogen atom, an alkoxy group, an alkoxycarbonyl group, a substituted or unsubstituted alkyl group, an alkylthio group, an aryloxy group, an alkylsulfonyl group, an arylthio group, or a carbamoyl group; X represents an organic residue necessary to form a substituted or unsubstituted 5- or 6-membered nitrogen-containing heterocyclic ring together with the nitrogen atom; l represents 0 or an integer of from 1 to 5; and m represents 0 or an integer of from 1 to 4.The coupler of formula (I) is excellent in dye image stability.

公开(公告)号：US5429917A

公开(公告)日：1995-07-04

申请号：US250117

申请日：1994-05-26

Applicant: Keiji Mihayashi ,  Naoki Saito ,  Seiji Ichijima

Inventor： Keiji Mihayashi ,  Naoki Saito ,  Seiji Ichijima

IPC: G03C1/035 ,  G03C1/005 ,  G03C1/09 ,  G03C1/34 ,  G03C7/30 ,  G03C7/36 ,  G03C7/392

CPC classification number: G03C1/0051 ,  G03C1/346 ,  G03C7/3013 ,  G03C1/09 ,  G03C7/3924

Abstract: A silver halide color photographic material is disclosed. The photographic material comprises a support having provided thereon at least one light-sensitive emulsion layer containing a coupler represented by the general formula (I) and/or a coupler represented by the general formula (II), silver iodobromide containing 15 to 45 mol % silver iodide in a definite layer structure in the emulsion layer, and chemically sensitized silver halide grains having a total silver iodide content of more than 7 mol %: ##STR1## wherein 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 which forms 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 separated from the coupler upon the reaction of the coupler with the oxidation product of a developing agent.

Abstract translation: 公开了一种卤化银彩色照相材料。 照相材料包括其上设置有至少一个含有由通式（I）表示的成色剂和/或由通式（II）表示的成色剂的感光乳剂层的载体，其中含有15-45摩尔％ 在乳液层中具有确定层结构的碘化银和总碘化银含量大于7mol％的化学增感卤化银颗粒：其中X1和X2各自表示 烷基，芳基或杂环基; X3表示与> N-形成含氮杂环基的有机残基; Y表示芳基或杂环基; 并且Z表示当成色剂与显影剂的氧化产物反应时能够与成色剂分离的基团。

公开(公告)号：US5476759A

公开(公告)日：1995-12-19

申请号：US103045

申请日：1993-07-28

Applicant: Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

Inventor： Keiji Mihayashi ,  Seiji Ichijima ,  Toshio Kawagishi ,  Naoki Saito ,  Masuji Motoki

IPC: C07D209/48 ,  C07D231/14 ,  C07D231/16 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/32 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  C07D521/00 ,  G03C7/305 ,  G03C1/46

CPC classification number: C07D209/48 ,  C07D231/12 ,  C07D231/14 ,  C07D231/16 ,  C07D233/56 ,  C07D233/66 ,  C07D233/74 ,  C07D233/80 ,  C07D233/90 ,  C07D233/96 ,  C07D249/04 ,  C07D249/08 ,  C07D249/10 ,  C07D249/12 ,  C07D249/18 ,  C07D257/04 ,  C07D261/14 ,  C07D263/44 ,  C07D265/33 ,  C07D403/06 ,  C07D403/12 ,  C07D403/14 ,  C07D417/12 ,  C07D417/14 ,  G03C7/30511 ,  G03C7/30535 ,  G03C7/30558 ,  Y10S430/158

Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer is disclosed, wherein said light-sensitive material contains a DIR coupler represented by formula (I): ##STR1## wherein A represents a coupler residue; R represents an alkyl group having from 1 to 4 carbon atoms or a pyridyl group; and n represents 1 when A represents a phenol type or naphthol type coupler residue, or n represents 0 when A represents other coupler residues, and said emulsion layer contains chemically sensitized silver halide grains which individually have a distinct layer comprising silver iodobromide containing from 7 to 45 mol % of silver iodide and which individually have an overall silver iodide content of more than 4 mol %. The photographic material is excellent in sensitivity, graininess, sharpness, color reproducibility, and preservability and is less liable to variation in photographic performance properties even when continuously processed under replenishment.

Abstract translation: 公开了一种卤化银彩色照相材料，其包含其上具有至少一个感光卤化银乳剂层的载体，其中所述光敏材料含有由式（I）表示的DIR成色剂：其中A表示 成色剂残留物; R表示具有1至4个碳原子的烷基或吡啶基; 当A表示苯酚型或萘酚型成色剂残基时，n表示1，A表示其它成色剂残基时，n表示0，所述乳剂层含有化学增感的卤化银粒子，其分别含有含有7〜 45mol％的碘化银，其中碘化银的总体含量大于4mol％。 感光材料的灵敏度，颗粒度，清晰度，色彩再现性和保存性优异，即使在补充下连续处理时，照相性能也不易变化。

公开(公告)号：US5066576A

公开(公告)日：1991-11-19

申请号：US584116

申请日：1990-09-18

Applicant: Seiji Ichijima ,  Naoki Saito ,  Keiji Mihayashi ,  Yoshio Ishii ,  Akira Ogawa

Inventor： Seiji Ichijima ,  Naoki Saito ,  Keiji Mihayashi ,  Yoshio Ishii ,  Akira Ogawa

IPC: G03C7/32 ,  C07D403/06 ,  C07D413/06 ,  G03C7/305

CPC classification number: C07D403/06 ,  C07D413/06 ,  G03C7/30535

Abstract: A silver halide color photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein the emulsion layer contains a coupler represented by the following general formula (I) ##STR1## wherein X represents a non-metallic atomic group required for forming a heterocyclic ring together with a residue of the formula ##STR2## Y represents a group which is eliminated by coupling and has substantially no photographic effect and Z represents an electron attractive group (a substituent group having a value of at least 0.2 in terms of Hammett's .sigma.m substituent constant).

Abstract translation: 一种卤化银彩色照相材料，其包括其上具有至少一个敏感卤化银乳剂层的载体，其中所述乳剂层含有由以下通式（I）表示的成色剂：其中X表示非金属原子 与式Y的残基一起形成杂环所需的基团表示通过偶联而消除的基团，并且基本上不具有照相效果，Z表示吸电子基团（具有至少0.2的值的取代基 以哈米特的σ取代基常数计）。

公开(公告)号：US5298383A

公开(公告)日：1994-03-29

申请号：US840949

申请日：1992-02-25

Applicant: Keiji Mihayashi ,  Naoki Saito ,  Shunichi Aida

Inventor： Keiji Mihayashi ,  Naoki Saito ,  Shunichi Aida

IPC: G03C1/035 ,  G03C1/34 ,  G03C7/30 ,  G03C7/36 ,  G03C1/08 ,  G03C7/26 ,  G03C7/32

CPC classification number: G03C7/365 ,  G03C7/3022

Abstract: 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.

Abstract translation: 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。