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    Two-equivalent magenta couplers with amido coupling-off groups
    2.
    发明授权
    Two-equivalent magenta couplers with amido coupling-off groups 失效
    具有酰胺偶联离子基团的两等效品红成色剂

    公开(公告)号：US4040835A

    公开(公告)日：1977-08-09

    申请号：US590998

    申请日：1975-06-27

    申请人： Atsuaki Arai ,  Keisuke Shiba ,  Minoru Yamada ,  Nobuo Furutachi ,  Kotaro Nakamura

    发明人： Atsuaki Arai ,  Keisuke Shiba ,  Minoru Yamada ,  Nobuo Furutachi ,  Kotaro Nakamura

    IPC分类号： C07D231/40 ,  C09B26/02 ,  G03C7/38 ,  G03C7/00 ,  G03C1/40

    CPC分类号： C07D231/40 ,  G03C7/38

    摘要： A two-equivalent magenta coupler forming magenta dye images in a color photographic material by a coupling reaction with an oxidation product of a primary aromatic amino color developing agent and having the formula (I) ##STR1## wherein [A] represents a residue of a magenta dye-forming coupler; ##STR2## represents a group which is substituted for one of the hydrogen atoms of the active methylene group of the coupler A; Z represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; B represents a --D-Y residue or an --N Q residue; D represents an oxygen atom, a sulfur atom, or an --NR-- group; R of the --NR-- group represents a hydrogen atom, an alkyl group, or an aryl group; Y represents an alkyl group, an aryl group, or a heterocyclic group; Q of the --N Q residue represents a non-metal atomic group necessary for forming a 5-membered or 6-membered nitrogen-containing heterocyclic group; n is 1 or 2 and when n is 2, B can also represent a --Y group; a color photographic silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer and containing the two-equivalent magnetic coupler having the formula (I); and an image forming method comprising developing an exposed photographic silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer is the presence of the two-equivalent magenta coupler having the formula (I).

    摘要翻译： 通过与主要芳族氨基显色剂的氧化产物的偶联反应并且具有式（I）（I）的方法，在彩色照相材料中形成品红染料图像的两等效品红色成色剂其中[A]表示 品红色染料成色剂的残留物; 表示取代了成色剂A的活性亚甲基的一个氢原子的基团。 Z表示氢原子，烷基，芳基或杂环基; B表示-D-Y残基或-NQ残基; D表示氧原子，硫原子或-NR-基团; -NR-基团的R表示氢原子，烷基或芳基; Y表示烷基，芳基或杂环基; -N残基的Q表示形成5元或6元含氮杂环基所需的非金属原子团; n为1或2，当n为2时，B也可以表示-Y基; 一种彩色照相卤化银感光材料，其包括其上具有至少一个卤化银乳剂层并含有具有式（I）的双等效磁性成色剂的载体; 以及包括显影曝光的照相卤化银感光材料的图像形成方法，其包含其上具有至少一个卤化银乳剂层的载体是存在具有式（I）的双等效品红成色剂。

    Silver halide emulsion containing two-equivalent magenta coupler
    5.
    发明授权
    Silver halide emulsion containing two-equivalent magenta coupler 失效
    含有两种等效杂环的银盐乳液

    公开(公告)号：US4032346A

    公开(公告)日：1977-06-28

    申请号：US600655

    申请日：1975-07-31

    申请人： Nobuo Furutachi ,  Kotaro Nakamura ,  Minoru Yamada ,  Atsuaki Arai

    发明人： Nobuo Furutachi ,  Kotaro Nakamura ,  Minoru Yamada ,  Atsuaki Arai

    IPC分类号： C07D231/28 ,  C07D231/52 ,  C09B26/02 ,  G03C7/38 ,  G03C7/00 ,  G03C1/40

    CPC分类号： G03C7/38 ,  C07D231/28 ,  C07D231/52

    摘要： A photographic two-equivalent magenta coupler, capable of forming a magenta color image upon coupling reaction with an oxidation product of an aromatic primary amine developing agent, represented by the following general formula I: ##STR1## wherein (A) represents a residue of a magenta color image forming coupler; ##STR2## represents a group which is substituted FOR ONE HYDROGEN ATOM OF THE ACTIVE METHYLENE GROUP IN THE COUPLER A; Z represents an oxygen atom or a sulfur atom; B represents a -- Y group, a -- D -- Y group, or a ##STR3## group; D represents an oxygen atom or an --NR -- group; R represents a hydrogen atom, an alkyl group or an aryl group; Y represents an alkyl group, an aryl group or a heterocyclic group; and Q in the ##STR4## group represents the non-metallic atoms necessary to form a 5-membered or 6-membered nitrogen containing heterocyclic ring; and color photographic light-sensitive materials containing the two equivalent magenta coupler.

    Photographic coupler
    6.
    发明授权
    Photographic coupler 失效
    摄影耦合器

    公开(公告)号：US4241168A

    公开(公告)日：1980-12-23

    申请号：US835278

    申请日：1977-09-21

    申请人： Atsuaki Arai ,  Keisuke Shiba ,  Minoru Yamada ,  Nobuo Furutachi

    发明人： Atsuaki Arai ,  Keisuke Shiba ,  Minoru Yamada ,  Nobuo Furutachi

    IPC分类号： G03C7/38 ,  C07D231/22 ,  C07D521/00 ,  C09B26/02 ,  G03C7/384 ,  G03C1/40

    CPC分类号： C07D231/12 ,  C07D231/22 ,  C07D233/56 ,  C07D249/08 ,  G03C7/384

    摘要： A photographic two-equivalent magenta coupler represented by the following general formula (I): ##STR1## wherein [A] represents a magenta color image-forming coupler residue, and the ##STR2## moiety represents a group replacing a hydrogen atom of an active methylene group in coupler [A] wherein Z.sub.a Z.sub.b, Z.sub.c and Z.sub.d, which can be the same or different, each represents a methine group or an --N.dbd. group, and the nitrogen-containing ring formed by Z.sub.a to Z.sub.d may further be substituted with a fused ring, with the proviso that the ##STR3## moiety does not represent a benzotriazolyl-1, benzotriazolyl-2, benzimidazolyl-1 or indazolyl-1 group; a photographic light sensitive material containing the photographic coupler; and a method of forming images using the photographic coupler.

    摘要翻译： 由下列通式（I）表示的照相双等效品红成色剂：其中[A]表示品红色成像成色剂残基，IMA图部分代表氢原子 在其中Za + L，Zb，Zc和Zd可以相同或不同的成色剂[A]中的活性亚甲基各自表示次甲基或-N =基，并且由Za形成的含氮环 至Zd可以进一步被稠合环取代，条件是图像部分不代表苯并三唑基-1，苯并三唑基-2，苯并咪唑基-1或吲唑基-1基团; 含摄影耦合器的照相感光材料; 以及使用摄影耦合器形成图像的方法。

    Silver halide color photographic materials
    7.
    发明授权
    Silver halide color photographic materials 失效
    卤化银彩色照相材料

    公开(公告)号：US4009038A

    公开(公告)日：1977-02-22

    申请号：US580272

    申请日：1975-05-23

    申请人： Atsuaki Arai ,  Reiichi Ohi ,  Minoru Yamada ,  Kenji Yokoo ,  Hiroshi Hara

    发明人： Atsuaki Arai ,  Reiichi Ohi ,  Minoru Yamada ,  Kenji Yokoo ,  Hiroshi Hara

    IPC分类号： G03C7/26 ,  G03C7/392 ,  G03C1/40 ,  G03C1/84

    CPC分类号： G03C7/39256

    摘要： A silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer containing a hydrophobic phenolic or naphtholic cyan dye forming coupler together with a 2-(2'-hydroxyphenyl)benzotriazole compound. The color photographic material provides a cyan dye image having improved moisture resistance and high fastness to heat.

    摘要翻译： 一种卤化银彩色照相材料，其包含至少一种包含与2-（2'-羟基苯基）苯并三唑化合物形成的疏水性酚醛或萘基青色染料成色剂的卤化银乳剂层的载体。 彩色照相材料提供具有改善的耐湿性和高耐热牢度的青色染料图像。

    Method for improving the light fastness of color photographic dye images
    8.
    发明授权
    Method for improving the light fastness of color photographic dye images 失效
    改善彩色摄影影像光度快速的方法

    公开(公告)号：US4113488A

    公开(公告)日：1978-09-12

    申请号：US686201

    申请日：1976-05-13

    申请人： Minoru Yamada ,  Tadao Shishido ,  Atsuaki Arai

    发明人： Minoru Yamada ,  Tadao Shishido ,  Atsuaki Arai

    IPC分类号： G03C7/26 ,  G03C1/06 ,  G03C7/392 ,  G03C8/24 ,  G03C7/00 ,  G03C1/40

    CPC分类号： G03C7/39208 ,  G03C8/246

    摘要： A method for improving the light fastness of a magenta color image in a silver halide color photograph which comprises incorporating into a layer containing a magenta color image, which is formed upon reaction of a magenta coupler and an oxidation product of an aromatic primary amine color developing agent, at least one light fastness improving phenolic compound and at least one synergistic light fastness improving agent selected from a sulfide or sulfoxide compound represented by the following general formula (V):x--b--y (v)wherein B represents --S-- or --SO--; X and Y, which may be the same or different, each represents --(CH.sub.2).sub.n --R.sub.1, ##STR1## or ##STR2## and R.sub.1 represents --COOR.sub.3, ##STR3## --OR.sub.6, --O--COR.sub.6, --NHSO.sub.2 R.sub.6, ##STR4## --NHCOR.sub.6, a cyano group, an aryl group or a hydroxy group; R.sub.2 represents an alkyl group of 1 to 30 carbon atoms, an aryl group, an aralkyl group, a hydroxy group, a cyano group or --COOR.sub.3 ; R.sub.3 R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an alkyl group of 1 to 30 carbon atoms, an aryl group, or an aralkyl group, with the proviso that R.sub.6 is not a hydrogen atom; and n is an integer of 1 to 4. A silver halide color photographic light-sensitive material which provides a magenta dye image having a good light fastness is also disclosed.