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    • 41. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4564590A
    • 1986-01-14
    • US713474
    • 1985-03-19
    • Masao SasakiToyoki NishijimaShun TakadaTakashi KadowakiKaoru Onodera
    • Masao SasakiToyoki NishijimaShun TakadaTakashi KadowakiKaoru Onodera
    • G03C7/30G03C7/392G03C7/26
    • G03C7/3006G03C7/39292
    • A silver halide photographic material having one or more silver halide emulsion layers formed on a reflective support is disclosed, wherein at least one of the silver halide emulsion layers contains at least one cyan coupler of formula (I) dispersed therein with the aid of at least one high-boiling organic solvent having a dielectric constant of 6.1 or more, and wherein at least one photographic layer contains at least one dye of formula (II) and/or formula (III): ##STR1## wherein R.sub.1 is a straight- or branched-chain alkyl group having 2 to 4 carbon atoms; R.sub.2 is a ballast group; and X is a hydrogen atom or a group capable of leaving upon coupling reaction with the oxidized product of a color developing agent; ##STR2## wherein R.sub.3 and R.sub.5 are each a hydrogen atom, an alkyl group or an aryl group; R.sub.4 and R.sub.6 are each an aryl group or a hetero ring having at least one sulfonic acid group or carboxyl group either directly or via an alkylene group having 1 to 4 carbon atoms; and n is an integer of 0, 1 or 2; ##STR3## wherein R.sub.7, R.sub.10, R.sub.11 and R.sub.14 are each a hydrogen atom, a hydroxyl group, --OR (wherein R is alkyl or aryl), ##STR4## (wherein R' and R" are each a hydrogen atom or an alkyl or aryl group having at least one sulfonic acid group or carboxyl group); R.sub.8, R.sub.9, R.sub.12 and R.sub.13 are each a hydrogen atom, a sulfonic acid group, a carboxyl group, or an alkyl or aryl group having at least one sulfonic acid group or carboxyl group.
    • 公开了一种在反射支撑体上形成有一个或多个卤化银乳剂层的卤化银照相材料,其中至少一种卤化银乳剂层至少包含一种至少一种分散在其中的式(I)青色成色剂,至少有助于至少 一种具有6.1或更高介电常数的高沸点有机溶剂,并且其中至少一个照相层含有至少一种式(II)和/或式(III)的染料:其中R1是 具有2至4个碳原子的直链或支链烷基; R2是镇流器组; X为氢原子或能够与彩色显影剂的氧化物偶合反应而残留的基团; (II)其中R3和R5各自为氢原子,烷基或芳基; R4和R6各自是直接或经由具有1至4个碳原子的亚烷基的具有至少一个磺酸基或羧基的芳基或杂环; 且n为0,1或2的整数; (III)其中R7,R10,R11和R14各自为氢原子,羟基-OR(其中R为烷基或芳基),其中R'和R“各自为氢 原子或具有至少一个磺酸基或羧基的烷基或芳基); R8,R9,R12和R13各自为氢原子,磺酸基,羧基或具有至少一个磺酸基或羧基的烷基或芳基。
    • 48. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US5336592A
    • 1994-08-09
    • US970939
    • 1992-11-03
    • Shigeo ChinoTakashi KadowakiToyoki Nishijima
    • Shigeo ChinoTakashi KadowakiToyoki Nishijima
    • G03C1/09G03C1/30G03C1/76G03C7/305G03C7/36G03C1/08G03C7/26G03C7/32
    • G03C1/09G03C1/30G03C7/30535
    • A silver halide photographic light-sensitive material is disclosed. The light-sensitive material comprises a support having thereon a photographic layer including a silver halide emulsion layer wherein the outermost surface of said photographic layer has a pH value of from 5.4 to 5.9 and said silver emulsion layer contains a compound represented by the following formula I; ##STR1## wherein R.sub.1 is an alkyl group, a cycloalkyl group or an aryl group; R.sub.2 is an alkyl group, a cycloalkyl group, an acyl group or an aryl group; R.sub.3 is a substituent, n is 0 or 1; X.sub.1 is a substituent capable of splitting off upon coupling reaction with the oxidation product of a color developing agent; and Y.sub.1 is an organic group. The light-sensitive material is excellent in stability during storage and gives stable photographic characteristics even when pH value of developer is varied.
    • 公开了一种卤化银照相感光材料。 感光材料包括其上具有包括卤化银乳剂层的照相层的支撑体,其中所述照相层的最外表面的pH值为5.4至5.9,并且所述银乳剂层含有由下式I表示的化合物 ; (I)其中R1是烷基,环烷基或芳基; R2是烷基,环烷基,酰基或芳基; R3是取代基,n是0或1; X1是能够与彩色显影剂的氧化产物偶联反应时分解的取代基; Y1是有机基团。 感光材料在保存期间的稳定性优异,并且即使改变显影剂的pH值也能提供稳定的照相特性。
    • 50. 发明授权
    • Silver halide photographic materials
    • 卤化银照相材料
    • US4618570A
    • 1986-10-21
    • US712342
    • 1985-03-15
    • Takashi KadowakiKaoru Onodera
    • Takashi KadowakiKaoru Onodera
    • G03C1/10G03C1/12G03C1/30G03C1/40G03C1/02
    • G03C1/305G03C1/102G03C1/127
    • A silver halide photographic material having at least one layer of silver halide emulsion layers containing a silver halide having a silver chloride content of not less than 25 molar %, characterized in that at least one of said silver halide emulsion layers contains a silver halide sensitized with a compound having the following formula (Ia), and/or a compound having the following formula (Ib) and is hardened with a compound having the following formula (II) and/or a compound having the formula (III); ##STR1## in the above formulae (Ia), (Ib), (II) and (III), R.sub.1 to R.sub.20, Z.sub.1 and Z.sub.2, n.sub.1 and n.sub.2, Q and Q', L, p and q are defined in the specification.The photographic material of the invention not only shows a higher sensitivity, a lower infrared sensor fogging, a superior sharpness or color reproductivity and a superior whiteness but also exerts a good storage property with time or a lower change in sensitivity after storage.
    • 一种卤化银照相材料,其具有至少一层卤化银乳剂层,其含有氯化银含量不小于25摩尔%的卤化银,其特征在于,所述卤化银乳剂层中的至少一种含有卤化银, 具有下式(Ia)的化合物和/或具有下式(Ib)的化合物,并用具有下式(II)的化合物和/或具有式(III)的化合物硬化; 在上述式(Ia),(Ib),(II)和(III)中,R1至R20(Ia)(Ⅰb) Z1和Z2,n1和n2,Q和Q',L,p和q在本说明书中定义。 本发明的照相材料不仅表现出较高的灵敏度,较低的红外线传感器起雾,优异的清晰度或颜色再现性和优异的白度,而且随着时间的推移具有良好的储存性能或者储存后的灵敏度变化较小。