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    • 64. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US06495313B2
    • 2002-12-17
    • US09110271
    • 1998-07-06
    • Yasuhiro YoshiokaShin SoejimaOsamu TakahashiNaoki SaitoHisashi MikoshibaMasakazu Morigaki
    • Yasuhiro YoshiokaShin SoejimaOsamu TakahashiNaoki SaitoHisashi MikoshibaMasakazu Morigaki
    • G03C730
    • G03C7/301G03C7/3029G03C7/39252G03C2200/35
    • A silver halide color photographic light-sensitive material comprising a support having provided thereon: at least one yellow-color-forming light-sensitive silver halide emulsion layer; at least one magenta-color-forming light-sensitive silver halide emulsion layer; at least one cyan-color-forming light-sensitive silver halide emulsion layer; and at least one light-insensitive non-color-forming hydrophilic colloid layer, wherein at least one layer of said at least one cyan-color-forming light-sensitive silver halide emulsion layer contains at least one cyan-dye-forming coupler having a pKa of not more than 8.7, and wherein said at least one light-insensitive non-color-forming hydrophilic colloid layer contains at least one compound represented by the following formula (I): wherein R1, R2, R3 and R4, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group; and R5 represents an aryl group; provided that the total number of carbon atoms included in R1, R2, R3, R4 and R5 is not less than 14.
    • 一种卤化银彩色照相感光材料,包括其上提供的载体:至少一种黄色形成感光卤化银乳剂层; 至少一种品红色形成感光卤化银乳剂层; 至少一种青色成色感光卤化银乳剂层; 和至少一种不透光的不着色的亲水胶体层,其中至少一层所述至少一种青色成色感光卤化银乳剂层含有至少一种形成青色染料的成色剂,其具有 pKa不大于8.7,并且其中所述至少一种不透光的非成色性亲水胶体层含有至少一种由下式(I)表示的化合物:其中R1,R2,R3和R4可以是 相同或不同,各自表示氢原子,烷基或芳基; R5代表芳基; 条件是包括在R1,R2,R3,R4和R5中的碳原子总数不小于14。
    • 65. 发明授权
    • Optical information recording medium
    • 光信息记录介质
    • US06379768B1
    • 2002-04-30
    • US09657977
    • 2000-09-08
    • Naoki SaitoYoshihisa UsamiNoboru Komori
    • Naoki SaitoYoshihisa UsamiNoboru Komori
    • B32B302
    • G11B7/246G11B7/2534G11B7/2542G11B7/259Y10T428/21
    • An optical information recording medium composed of a substrate and a recording layer having a dye compound of the formula (I): R1R2C═L1—L2═L3—NR3R4  (I) in which each of R1 and R2 is an electron-attracting group (i.e., electron-withdrawing group) having a Hammett's substituent constant &sgr;p in the range of 0.2 to 0.9; each of L1, L2, and L3 is a methine group which can have a substituent under such condition that two or three of L1, L2, and L3 can form a ring structure together with the substituent; and each of R3 and R4 is a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, or a heterocyclic group, provided that each set of R1 and R2, R2 and a substituent of L1, R2 and a substituent of L2, R2 and a substituent of L3, a substituent of L1 and R3, a substituent of L2 and R3, a substituent of L3 and R3, and R3 and R4 can be connected to each other to form a ring structure, is advantageously employed for recording information utilizing a laser beam having a wavelength of 550 nm or shorter.
    • 一种由具有式(I)的染料化合物的基材和记录层组成的光学信息记录介质:其中R1和R2各自为具有哈米特取代基常数的吸电子基团(即吸电子基团) sigmap在0.2到0.9的范围内; 在L1,L2和L3中的两个或三个可以与取代基一起形成环结构的情况下,L1,L2和L3中的每一个是可以具有取代基的次甲基。 R 3和R 4各自为氢原子,烷基,芳基,芳烷基或杂环基,条件是每个R 1和R 2,R 2和L 1,R 2的取代基和L 2的取代基 ,R2和L3的取代基,L1和R3的取代基,L2和R3的取代基,L3和R3的取代基以及R3和R4可以彼此连接形成环结构,有利地用于记录 使用波长为550nm以下的激光的信息。
    • 67. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US06220925B1
    • 2001-04-24
    • US09088371
    • 1998-06-02
    • Naoki SaitoHisashi MikoshibaMasakazu MorigakiShin SoejimaYasuhiro YoshiokaOsamu Takahashi
    • Naoki SaitoHisashi MikoshibaMasakazu MorigakiShin SoejimaYasuhiro YoshiokaOsamu Takahashi
    • G03C732
    • G03C7/301G03C7/383G03C7/39232G03C7/39248G03C7/39296
    • A silver halide color photographic light-sensitive material comprising a support having provided thereon at least one hydrophilic colloid layer, wherein the silver halide color photographic light-sensitive material contains a coupler represented by the formula (1) shown below and a non-color forming colorless cyclic imide compound having a diffusion-resistant group: wherein R1 and R2 each represents an alkyl group or an aryl group; R3, R4 and R5 each represents a hydrogen atom, an alkyl group or an aryl group; Z represents a non-metallic atomic group necessary to form a saturated ring; R6 represents a substituent; X represents a heterocyclic group, a substituted amino group or an aryl group and Y represents a hydrogen atom or a group capable of being released upon color development. The silver halide color photographic light-sensitive material has an excellent color forming property to provide a color image of high maximum color density and good color reproducibility.
    • 一种卤化银彩色照相感光材料,其包括在其上设置有至少一个亲水胶体层的载体,其中所述卤化银彩色照相感光材料包含由下式(1)表示的成色剂和无色成型 具有扩散阻止基团的无色环状酰亚胺化合物:其中R1和R2各自表示烷基或芳基; R3,R4和R5各自表示氢原子,烷基或芳基; Z表示形成饱和环所需的非金属原子团; R6代表取代基; X表示杂环基,取代氨基或芳基,Y表示氢原子或显色时能够释放的基团。卤化银彩色照相感光材料具有优异的成色性,从而提供颜色 高最大色彩浓度的图像和良好的色彩再现性。
    • 70. 发明授权
    • Silver halide color photographic materials
    • 卤化银彩色照相材料
    • US5459024A
    • 1995-10-17
    • US400269
    • 1995-03-03
    • Naoki SaitoAkira OgawaHajime Nakagawa
    • Naoki SaitoAkira OgawaHajime Nakagawa
    • G03C7/305G03C7/36
    • G03C7/30535
    • The present invention relates to color photographic materials having improved sharpness, higher photographic speeds and increased fastness by forming the image in the presence of couplers wherein the rate of dye formation is high, the color forming density is high and the dye which is formed has a high degree of fastness. The coupler compound represented by formula (I) indicated below is contained in at least one hydrophilic colloid layer on a support of a silver halide color photographic material.R.sup.1 R.sup.2 NCOCHXCONH-.phi..sup.1 -SO.sub.2 NR.sup.3 -.phi..sup.2(I)In formula (I), R.sup.1 and R.sup.2 each independently represents an alkyl group, an aryl group or a heterocyclic group, R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, X represents a group which can be eliminated when the coupler compound reacts with an oxidized product of a primary aromatic amine developing agent, .phi..sup.1 represents a phenylene group, .phi..sup.2 represents an aryl group or a heterocyclic group, and R.sup.1 and R.sup.2, R.sup.3 and .phi..sup.1, or R.sup.3 and .phi..sup.2 may be linked to form a ring.
    • 本发明涉及通过在成色剂存在下形成图像而具有改善的清晰度,更高的照相速度和增加的牢度的彩色照相材料,其中染料形成速率高,成色密度高,形成的染料具有 高度的牢度。 由下述表示的式(I)表示的成色剂化合物包含在卤化银彩色照相材料的载体上的至少一个亲水胶体层中。 R1R2NCOCHXCONH- phi1-SO2NR3-phi2(I)式(I)中,R1和R2各自独立地表示烷基,芳基或杂环基,R3表示氢原子,烷基,芳基或 杂环基时,X表示当成色剂化合物与主芳族胺显影剂的氧化物反应时可以被除去的基团,phi 1表示亚苯基,phi 2表示芳基或杂环基,R 1和 R2,R3和phi1,或R3和phi2可以连接形成环。