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    • 82. 发明授权
    • Silver halide color light-sensitive material
    • 卤化银色感光材料
    • US6001551A
    • 1999-12-14
    • US342025
    • 1994-11-16
    • Yasuhiro ShimadaKoushin MatsuokaHiroyuki Yoneyama
    • Yasuhiro ShimadaKoushin MatsuokaHiroyuki Yoneyama
    • G03C7/00G03C7/38G03C1/08G03C7/26G03C7/32
    • G03C7/383G03C7/3825
    • A silver halide color light-sensitive material containing a cyan coupler which provides an excellent hue and an improved fastness at a low color-developing area and which has small change in a color developing density, which is caused by change of a composition of a blix solution and provides a small fog in a cyan color at a non-exposed area in a continuous processing. The silver halide color light-sensitive material contains at least one cyan coupler represented by the following Formula (I) in at least one layer on a support: wherein Y represents --N.dbd. or --C(R.sub.3).dbd.; X represents a hydrogen atom or a group which splits off upon a coupling reaction with an oxidized product of a color developing agent; Z represents a non-metallic atomic group necessary for forming an alicyclic group or a heterocyclic ring; R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent; and R.sub.1 contributes to form an unsaturated bond in a ring formed by Z or combined with the atoms on the ring formed by Z to form a ring.
    • 含有青色成色剂的卤化银色感光材料,其在低显色区域提供优异的色调和改善的牢度,并且由于混合物的组成的变化而引起的显色密度变化很小 溶液,并在连续处理中在非曝光区域提供青色的小雾。 卤化银色感光材料在载体上的至少一层中含有至少一种由下式(I)表示的青色成色剂:其中Y表示-N =或-C(R 3)=; X表示氢原子或与彩色显影剂的氧化产物偶联反应时分裂的基团; Z表示形成脂环族基或杂环所必需的非金属原子团; R1,R2和R3各自表示氢原子或取代基; 并且R 1有助于在Z形成的环中形成不饱和键或与由Z形成的环上的原子结合形成环。
    • 88. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5460929A
    • 1995-10-24
    • US45776
    • 1993-04-14
    • Satoshi NagaokaKazuyoshi YamakawaMitsuru YamamotoMakoto SuzukiYasuhiro ShimadaKatsuro NagaokaHideo IkedaTakefumi HaraSadanobu Shuto
    • Satoshi NagaokaKazuyoshi YamakawaMitsuru YamamotoMakoto SuzukiYasuhiro ShimadaKatsuro NagaokaHideo IkedaTakefumi HaraSadanobu Shuto
    • G03C1/14G03C7/30G03C7/305G03C7/38G03C1/46
    • G03C7/30511G03C1/14G03C7/3041G03C7/3825
    • There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (Ia) and (a) a sensitizing dye containing a sulfonamide group, (b) negative-type internal latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (c) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, (d) a monodisperse silver halide emulsion, (e) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (f) a colloidal silver, or (g) a DIR-hydroquinone: ##STR1## wherein Za represents --NH-- or --CH(R.sub.3)--, Zb and Zc each represent --C(R.sub.4).dbd. or --N.dbd., R.sub.1, R.sub.2, and R.sub.3 each represent an electron-attracting group wherein the Hammett substituent constant .sigma..sub.p value is 0.20 or more, provided that the sum of the .sigma..sub.p value of R.sub.1 and the .sigma..sub.p value of R.sub.2 is 0.65 or more, R.sub.4 represents a hydrogen atom or a substituent, if there are two groups R.sub.4 in the formula, they may be the same or different, and X represents a hydrogen atom or a group capable of being released upon a coupling reaction with the oxidized product of an aromatic primary amine color-developing agent, provided that R.sub.1, R.sub.2, R.sub.3, R.sub.4, or X may be a divalent group to form a homopolymer or a copolymer by bonding with a dimer or higher polymer or polymer chain.
    • 公开了具有感红卤化银乳剂层,感绿卤化银乳剂层,感蓝卤化银乳剂层的卤化银彩色照相材料,其包含由式(Ia)表示的形成青色染料的成色剂 )和(a)含有磺酰胺基团的增感染料,(b)从表面定义的深度化学敏化的负型内部潜像型卤化银颗粒,(c)各自具有确定的光谱灵敏度分布的颗粒和 DIR-氢醌,(d)单分散卤化银乳剂,(e)非光敏卤化银乳剂,其中颗粒的内部或表面起雾,(f)胶体银,或(g)DIR-氢醌:NH - 或-CH(R3) - ,Zb和Zc各自表示-C(R4)=或-N =,R1,R2和R3各自表示吸电子基团,其中哈米特取代基常数σp值为0.20以上 ,条件是R1的sigma p值和sigm的总和 R2的ap值为0.65以上,R4表示氢原子或取代基,如果式中有两个基团R 4,它们可以相同或不同,X表示氢原子或能够被释放的基团 与芳族伯胺显色剂的氧化产物的偶联反应,条件是R1,R2,R3,R4或X可以是二价基团,以通过与二聚体或更高级聚合物的键合形成均聚物或共聚物,或 聚合物链。
    • 90. 发明授权
    • Silver halide color photosensitive materials
    • 卤化银色感光材料
    • US5366856A
    • 1994-11-22
    • US64586
    • 1993-05-21
    • Yasuhiro ShimadaHiroyuki Yoneyama
    • Yasuhiro ShimadaHiroyuki Yoneyama
    • G03C7/38C07D487/04G03C7/305G03C7/32
    • C07D487/04G03C7/30529G03C7/30552G03C7/3212G03C7/3825G03C7/383G03C7/3835
    • A silver halide color photosensitive materials wherein a coupler represented by the formula indicated below is included in at least one layer on a support. In the formula, for example, Za represents --NH--, Zb represents --C(R.sub.4).dbd. and Zc represents --N.dbd.. R.sub.1, R.sub.2 and R.sub.3 each represents an electron withdrawing group of which the Hammett substituent group constant .sigma..sub.p value is 0.20 or above. However, the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or above. R.sub.4, R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e each represents a hydrogen atom or a substituent group. However, for example at least one of R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e represents an electron withdrawing group, and the sum of the Hammett substituent group constant .sigma..sub.p values of each of R.sub.a, R.sub.b, R.sub.c, R.sub.d and R.sub.e is 0.5 or above. ##STR1##
    • 一种卤化银色感光材料,其中由下列所示的式子表示的成色剂包含在载体上的至少一层中。 在该式中,例如,Za表示-NH-,Zb表示-C(R4)=,Zc表示-N =。 R 1,R 2和R 3各自表示吸电子基团,其中哈米特取代基基团常数σp值为0.20以上。 然而,R1和R2的σp值之和为0.65以上。 R4,Ra,Rb,Rc,Rd和Re各自表示氢原子或取代基。 然而,例如,Ra,Rb,Rc,Rd和Re中的至少一个表示吸电子基团,Ra,Rb,Rc,Rd和Re各自的哈米特取代基定数σp值之和为0.5或 以上。