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    • 22. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5075205A
    • 1991-12-24
    • US711407
    • 1991-06-05
    • Yoshio InagakiKeiichi AdachiKeisuke ShibaYuji Mihara
    • Yoshio InagakiKeiichi AdachiKeisuke ShibaYuji Mihara
    • G03C7/20G03C1/83
    • G03C1/83
    • Silver halide photographic material which has a hydrophilic colloid layer containing a solid micrograin dispersion of compounds represented by the following general formula (I): ##STR1## wherein, T.sup.0, T.sup.1 and T.sup.2 each independently represents a hydrogen atom, a halogen atom or a cyano, nitro, carboxy, alkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, alkylsulfonyl, arylsulfonyl, sulfamoyl, carbamoyl, amino, sulfonamido, carbonamido, ureido, sulfamoylamino, hydroxyl, alkenyl or acyl group, R.sup.3 and R.sup.4 each independently represents a hydrogen atom, a halogen atom or an alkoxy, alkyl, alkenyl, aryloxy or aryl group, R.sup.5 and R.sup.6 each independently represents a hydrogen atom or a group in which hydrogen atom substitution is possible, and R.sup.7 and R.sup.8 each independently represents an alkyl, aryl, vinyl, acyl or alkyl- or arylsulfonyl group, provided that rings may be formed by linkage of T.sup.1 with T.sup.2, R.sup.3 with R.sup.5, R.sup.4 with R.sup.6, R.sup.7 with R.sup.8, R.sup.5 with R.sup.7 and R.sup.6 with R.sup.8. The compound of formula (I) is designed to dye specific hydrophilic colloid layers in the photographic material and to decolor rapidly during development processing.
    • 卤化银照相材料,其具有由以下通式(I)表示的化合物的固体微粒分散体的亲水胶体层:其中,T0,T1和T2各自独立地表示氢原子,卤素原子 或氰基,硝基,羧基,烷基,芳基,烷氧基,芳氧基,烷硫基,芳硫基,烷基磺酰基,芳基磺酰基,氨磺酰基,氨基甲酰基,氨基,磺酰氨基,碳酰氨基,脲基,氨磺酰基氨基,羟基,烯基或酰基, 表示氢原子,卤素原子或烷氧基,烷基,烯基,芳氧基或芳基,R5和R6各自独立地表示氢原子或可以进行氢原子取代的基团,R7和R8各自独立地表示烷基 芳基,乙烯基,酰基或烷基 - 或芳基磺酰基,条件是可以通过将T1与T2,R3与R5,R4与R6,R7与R8,R5与R7和R6与R8连接形成环。 式(I)化合物被设计成在照相材料中染色特定的亲水胶体层,并在显影处理过程中迅速脱色。
    • 23. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US4865947A
    • 1989-09-12
    • US237624
    • 1988-08-26
    • Kenichi KuwabaraYoshio Inagaki
    • Kenichi KuwabaraYoshio Inagaki
    • G03C1/06G03C1/09
    • G03C1/09G03C1/061Y10S430/15
    • A negative-type silver halide photographic material comprising a support and at least one light-sensitive silver halide emulsion layer on the support, wherein compounds represented by the general formulae (I) and (II) are incorporated in the light-sensitive silver halide emulsion layer or the hydrophilic colloid layer adjacent thereto. General Formula (I):R.sub.1 --NHNH--G--R.sub.2 (I)General Formula (II):Z.sub.0 --S--Z.sub.1 (II)wherein R.sub.1 is an aliphatic or aromatic group, R.sub.2 is a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted aryloxy group, and G is a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an N-substituted or unsubstituted imino group, and Z.sub.0 is an alkyl group, an aromatic group, or a heteroaromatic group, said group Z.sub.0 being substituted with at least one group selected from the group consisting of a hydroxy group, a group --SO.sub.3 M.sup.1, or a group --COOM.sup.1 wherein M.sup.1 is a hydrogen atom, an alkali metal atom, or a substituted or unsubstituted ammonium ion; a substituted or unsubstituted amino group, and a substituted or unsubstituted ammonium group, or with a substituent having at least one group selected from the above group, and Z.sub.1 is a hydrogen atom, an alkali metal atom, a substituted or unsubstituted amidino group, a hydrohalogenic acid salt or a sulfonic acid salt thereof, or --S--Z.sub.0.This light-sensitive material provides an image of ultra-high contrast and high sensitivity on developing with a developer having good storage stability. Moreover, this silver image can be reduced with a reducing solution containing a cerium (IV) salt without forming a residue.
    • 一种负型卤化银照相材料,其在载体上包含载体和至少一种感光卤化银乳剂层,其中由通式(I)和(II)表示的化合物加入到感光卤化银乳剂 层或与其相邻的亲水胶体层。 通式(I):R1-NHNH-G-R2(I)通式(II):Z0-S-Z1(Ⅱ)其中R1是脂族或芳族基团,R2是氢原子,取代或未取代的烷基 取代或未取代的芳基,取代或未取代的烷氧基或取代或未取代的芳氧基,G为羰基,磺酰基,亚砜基,磷酰基或N-取代或未取代的芳氧基 亚氨基,Z 0是烷基,芳族基团或杂芳族基团,所述基团Z0被选自羟基,基团-SO3M1或基团-COOM1中的至少一个基团取代,其中 M1是氢原子,碱金属原子或取代或未取代的铵离子; 取代或未取代的氨基,取代或未取代的铵基,或具有至少一个选自上述基团的取代基,Z 1为氢原子,碱金属原子,取代或未取代的脒基, 氢卤酸盐或其磺酸盐,或-S-Z0。 该感光材料提供具有超高对比度和高灵敏度的图像,其显影具有良好的储存稳定性。 此外,可以用含有铈(Ⅳ)盐的还原溶液还原该银图像而不形成残留物。
    • 28. 发明申请
    • Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor
    • 氧化钛氧基酞菁晶体,其制造方法和电子照相感光体
    • US20110046392A1
    • 2011-02-24
    • US12924710
    • 2010-10-01
    • Daisuke KuboshimaJun AzumaYoshio InagakiJunichiro OtsuboKeiji Maruo
    • Daisuke KuboshimaJun AzumaYoshio InagakiJunichiro OtsuboKeiji Maruo
    • C07F7/28
    • C09B67/0026C09B67/0016G03G5/0696
    • The invention provides an oxo-titanylphthalocyanine crystal which is stable, is superior in dispersibility in a photoreceptive layer and efficiently contributes to improvements in sensitivity and charge retention rate of an electrophotographic photoreceptor when it is used as a charge generating agent, a method for producing the oxo-titanylphthalocyanine crystal, and an electrophotographic photoreceptor. The oxo-titanylphthalocyanine crystal has predetermined optical characteristics and thermal properties and is produced by a production method including the following steps (a) to (d): (a) a step of dissolving a crude oxo-titanylphthalocyanine crystal in an acid to obtain an oxo-titanylphthalocyanine solution; (b) a step of adding the oxo-titanylphthalocyanine solution dropwise in a poor solvent to obtain a wet cake; (c) a step of washing the wet cake with an alcohol having 1 to 4 carbon atoms; and (d) a step of stirring the washed wet cake under heating in a nonaqueous solvent to obtain an oxo-titanylphthalocyanine crystal.
    • 本发明提供了一种稳定的氧代 - 钛氧基酞菁晶体,其在感光层中的分散性优异,并且有效地提高了当用作电荷产生剂时电子照相感光体的灵敏度和电荷保持率的提高, 氧代 - 钛氧基酞菁晶体和电子照相感光体。 氧代 - 钛氧基酞菁晶体具有预定的光学特性和热性质,并且通过包括以下步骤(a)至(d)的制备方法制备:(a)将粗的氧代 - 氧代 - 酞菁结晶溶解在酸中以获得 氧代 - 钛氧基酞菁溶液; (b)将氧代 - 钛氧基酞菁溶液滴加到不良溶剂中以获得湿滤饼的步骤; (c)用具有1至4个碳原子的醇洗涤湿滤饼的步骤; 和(d)在非水溶剂中加热下搅拌洗涤的湿滤饼以获得氧代 - 氧化钛酞菁晶体的步骤。