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    • 2. 发明专利
    • Silver halide photosensitive material
    • 银红色光敏材料
    • JPS59137945A
    • 1984-08-08
    • JP1167683
    • 1983-01-27
    • Fuji Photo Film Co Ltd
    • ONO MITSUNORIITOU ISAMUOBAYASHI KEIJIKARINO YUKIO
    • G03C7/26C07D405/12G03C1/06G03C1/42G03C7/305
    • C07D405/12G03C1/06G03C7/30511Y10S430/156Y10S430/158Y10S430/159Y10S430/16Y10S430/161
    • PURPOSE: To provide a blocked photographic reagent perfectly stable in storage conditions and releasing a photographic reagent at a necessary timing at the time of processing by using a specified compd. as the blocked reagent in a photosensitive material contg. a photosensitive silver halide emulsion layer.
      CONSTITUTION: In a photosensitive material contg. a photosensitive silver halide emulsion layer incorporating a blocked photographic reagent, this invention uses a photographic reagent blocked through hetero atoms represented by formula I [A is a photographic reagent; Z is a divalent bonding group; (p) is 0 or 1; X, Y are each halogen, alkyl, aryl, alkoxy, aryloxy, carbonate, amino, carbonamide, sulfonamide, ureido, carbamate, carboxy, oxycarbonyl, carbamoyl, acyl, sulfo, alkylsulfonyl, sulfamoyl, cyano, or nitro; (m) is 0W4 and (n) is 0W5].
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:提供在保存条件下完全稳定的封闭摄影试剂,并通过使用指定的化合物在处理时在必要的时间释放摄影试剂。 作为感光材料中的封闭试剂, 感光卤化银乳剂层。 构成:在感光材料中 含有封闭照相试剂的光敏卤化银乳剂层,本发明使用通过由式I表示的杂原子封闭的照相试剂[A是照相试剂; Z是二价键合基​​团; (p)为0或1; X,Y分别为卤素,烷基,芳基,烷氧基,芳氧基,碳酸根,氨基,酰胺,磺酰胺,脲基,氨基甲酸酯,羧基,氧羰基,氨基甲酰基,酰基,磺基,烷基磺酰基,氨磺酰基,氰基或硝基。 (m)为0-4,(n)为0-5]。
    • 3. 发明公开
    • Photographic element containing pyrazolone pug releasing coupler and imaging process employing same
    • 含有吡唑啉酮成色释放照相用基团,其中使用该联接器的照相元件,和图像形成方法
    • EP1016914A1
    • 2000-07-05
    • EP99204422.2
    • 1999-12-20
    • EASTMAN KODAK COMPANY
    • Slusarek, Wojciech Kazimierz, Eastman Kodak Co.Poslusny, Jerrold Neal, Eastman Kodak Co.Yang, Xiqiang K., Eastman Kodak Company
    • G03C7/305
    • C07D403/12G03C7/30576G03C7/384Y10S430/156Y10S430/157Y10S430/158Y10S430/159Y10S430/16Y10S430/161
    • Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a pyrazol-5-one coupler bearing a 4-aryloxy coupling-off group containing a group capable of releasing a photographically useful group (PUG) wherein:

      (1) the pyrazol-5-one ring contains a 1-aryl substituent which in turn contains, in a position ortho to the bond linking it to the pyrazolone ring, a secondary carbonamido group or a secondary sulfonamido group;
      (2) the pyrazol-5-one ring contains either (a) a 3-aryl substituent which in turn contains substituents for which the sum of the Hammett's σ constant values is -0.3 or higher or (b) a 3-alkyl substituent; and
      (3) the 4-aryloxy coupling-off group:

      (a) contains ring substituents selected so that the sum of the Hammett's σ constant values for all substituents on the phenoxy ring is at least 0.4 but does not contain a nitro substituent in the ortho position, and:
      (b) contains in at least one position ortho or para to the oxygen atom bonding the aryloxy group to the pyrazolone ring a substituent comprising a tetrahedral carbon atom bonded to a PUG or to another timing group which timing group is in turn bonded to a PUG directly or through a further timing group; and
      provided that substituents may join to form one or more additional rings.
    • 公开了包括光敏感的卤化银乳剂层的照相元件具有带有吡唑-5-酮成色轴承包含能够释放照相用基团(PUG)worin的基团的4-芳氧基偶合离去基团相关联的有:(1 )的吡唑-5-酮环含有1-芳基取代基又包含,在一个位置的邻位键连接起来,作为吡唑啉酮环,仲碳酰氨基或仲磺酰氨基; (2)吡唑-5-酮环含有或者(a)3-芳基取代基而这又1-3 - 烷基取代基含有取代基的量,哈米特西格玛恒定值的总和是-0.3或更高,或(b)一种; 和(3)的4-芳氧基偶合离去基团:(A)含有选择的环取代基也一样哈米特西格玛恒定值的苯氧基环上的所有取代基的总和为至少0.4但不包含在一个硝基取代基 邻位上,和(b)包含在至少一个位置邻位或对位的氧原子键合的芳氧基的吡唑啉酮环的取代基,其包括键合到PUG或哪个定时基团是在另一个定时基的四面体碳原子 转键合到PUG直接或通过另外的定时基团; 并且提供没有取代基可以连接形成一个或多个另外的环。
    • 6. 发明授权
    • Photothermographic material
    • 光热成像材料
    • US07442495B2
    • 2008-10-28
    • US11335637
    • 2006-01-20
    • Keiichi Suzuki
    • Keiichi Suzuki
    • G03C1/76G03C1/498
    • G03C1/49872G03C2007/3027G03C2200/36Y10S430/161
    • The invention provides a photothermographic material containing an image forming layer having at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on at least one side of a support, an outermost layer on the same side of the support as the image forming layer, and a non-photosensitive intermediate layer between the outermost layer and the image forming layer, wherein 50% by weight or more of a binder of the non-photosensitive intermediate layer is formed by a hydrophobic polymer latex, the outermost layer has a mean thickness of from 0.1 μm to 0.45 μm, and the non-photosensitive intermediate layer has a variation coefficient of a thickness distribution of 50% or less based on a mean thickness of the non-photosensitive intermediate layer. A photothermographic material, which exhibits reduced image unevenness and excellent image storage stability, is provided.
    • 本发明提供一种光热敏成像材料,其含有至少一种感光卤化银,非光敏有机银盐,还原剂和粘合剂在至少一个支撑体上的成像层,同一侧的最外层 作为图像形成层的支持体和最外层与图像形成层之间的非感光中间层,其中通过疏水性聚合物胶乳形成非光敏中间层的粘合剂的50重量%以上 最外层的平均厚度为0.1μm〜0.45μm,非感光性中间层的厚度分布的变异系数为非感光性中间层的平均厚度的50%以下。 提供了具有降低的图像不均匀性和优异的图像存储稳定性的光热敏成像材料。