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公开(公告)号：US06228566B1
公开(公告)日：2001-05-08
申请号：US09618357
申请日：2000-07-18
IPC分类号： G03C529
CPC分类号： G03C1/061 , G03C2001/108
摘要： The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a hydrazide nucleating agent in the emulsion layer or a hydrophilic colloid layer, characterized in that the nucleating agent is a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises an acylhydrazide moiety and a nicotinamide moiety in combination, the material providing unexpectedly good nucleation in the absence of, or with reduced amounts of, booster and in a developer whose pH is variable, and further with lower chemical spread and pepper fog.
摘要翻译： 本发明涉及一种超高对比度照相材料，其包括载体，该载体含有在乳剂层中的酰肼成核剂或亲水胶体层的卤化银乳剂层，其特征在于，所述成核剂是包含两个单体的二聚体分子 连接基团，其中每个单体（a）可以相同或不同，并且（b）组合包含酰肼部分和烟酰胺部分，该材料在不存在或具有减少量的助催化剂和减少的量的情况下提供意想不到的良好成核 在pH可变的显影剂中，进一步具有较低的化学传播和胡椒雾。
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公开(公告)号：US6143462A
公开(公告)日：2000-11-07
申请号：US444777
申请日：1999-11-22
CPC分类号： G03C1/061
摘要： The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a hydrazide nucleating agent in the emulsion layer or a hydrophilic colloid layer, characterised in that the nucleating agent is a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises an acylhydrazide moiety and a nicotinamide moiety in combination, the material providing unexpectedly good nucleation in the absence of, or with reduced amounts of, booster and in a developer whose pH is variable, and further with lower chemical spread and pepper fog.
摘要翻译： 本发明涉及一种超高对比度照相材料，其包括载体，该载体含有在乳剂层中的酰肼成核剂或亲水胶体层的卤化银乳剂层，其特征在于，所述成核剂是包含两个单体的二聚体分子 连接基团，其中每个单体（a）可以相同或不同，并且（b）组合包含酰肼部分和烟酰胺部分，该材料在不存在或具有减少量的助催化剂和减少的量的情况下提供意想不到的良好成核 在pH可变的显影剂中，进一步具有较低的化学传播和胡椒雾。
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3.发明授权High contrast photographic element containing a novel combination of nucleators 失效含有新颖的成核剂组合的高对比度照相元件公开(公告)号：US06573021B2
公开(公告)日：2003-06-03
申请号：US10040672
申请日：2002-01-07
IPC分类号： G03C1295
CPC分类号： G03C1/061 , G03C2001/108 , G03C2200/42
摘要： The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a combination of two or more hydrazide nucleating agents in the emulsion layer and/or a hydrophilic colloid layer, characterized in that the combination comprises a nucleating agent(s) of formulae (I) and/or (I) with a nucleator of formula (III), in which the nucleating agent of formula (I) comprises (a) two nicotinamide moieties, which may be the same or different, which are linked by a linking group, and (b) a hydrazide moiety linked to only one of those nicotinamide moieties; the nucleating agent of formula (II) comprises a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises a hydrazide moiety and a nicotinamide moiety; and the nucleating agent of formula (III) comprises an aryl sulfonamido aryl hydrazide. The combination of nucleating agents show less sensitivity to variation in the development conditions than do the individual nucleating types, leading to significant improvements in processing robustness with less change in image quality with processing and tolerance to a wider range of developer solutions.
摘要翻译： 本发明涉及一种超高对比度照相材料，其包含载体，该载体含有卤化银乳剂层，其在乳剂层和/或亲水胶体层中含有两种或更多种酰肼成核剂的组合，其特征在于，所述组合包含成核剂 式（I）的成核剂包含（a）两个可以相同或不同的烟酰胺部分，其可以相同或不同，其中式（I）和/或（I） 通过连接基团连接，和（b）仅与那些烟酰胺部分中的一个连接的酰肼部分; 式（II）的成核剂包含包含通过连接基团连接的两个单体的二聚体分子，其每个单体（a）可以相同或不同，（b）包含酰肼部分和烟酰胺部分; 并且式（III）的成核剂包括芳基亚磺酰氨基芳基酰肼。成核剂的组合对显影条件的变化的敏感性比单独的成核类型显示更小的灵敏度，导致加工鲁棒性的显着改善，图像质量的变化较小 具有处理和容忍更广泛的开发人员解决方案。
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公开(公告)号：US06245480B1
公开(公告)日：2001-06-12
申请号：US09591774
申请日：2000-06-12
IPC分类号： G03C108
CPC分类号： G03C1/061 , G03C2001/108
摘要： The invention relates to an ultrahigh contrast photographic material comprising a support bearing a silver halide emulsion layer, containing a hydrazide nucleating agent in the emulsion layer or a hydrophilic colloid layer, characterised in that the nucleating agent of formula (I) comprises (a) two nicotinamide moieties, which may be the same or different, which are linked by a linking group, and (b) a hydrazide moiety linked to only one of the nicotinamide moieties. The nucleator of formula (I) may be in combination with a nucleator of formula (II) which comprises a dimeric molecule comprising two monomers linked by a linking group, each monomer of which (a) may be the same or different and (b) comprises a hydrazide moiety and a nicotinamide moiety. The photographic material provides unexpectedly good nucleation in the absence of, or with reduced amounts of, booster and in a developer whose pH is variable, and further with lower chemical spread and pepper fog. When the synthesis provides both a compound of formula (I) and (II), the products can be used directly without a separation step, providing a cost advantage.
摘要翻译： 本发明涉及一种超高对比度照相材料，其特征在于，式（I）的成核剂包括：（a）两个（II）的成核剂，其特征在于，所述超高对比度照相材料包含载体，所述载体含有在所述乳剂层中的酰肼成核剂或亲水胶体层的卤化银乳剂层， 烟酰胺部分，其可以相同或不同，其通过连接基团连接，和（b）仅与一个烟酰胺部分连接的酰肼部分。 式（I）的成核剂可以与式（II）的成核剂组合，其包含包含通过连接基团连接的两个单体的二聚体分子，其各自的单体（a）可以相同或不同，和（b） 包含酰肼部分和烟酰胺部分。照相材料在不存在或具有减少量的助催化剂和在pH可变的显影剂中进一步具有较低的化学扩散和胡椒雾的情况下提供出人意料的良好成核。 当合成提供式（I）和（II）的化合物时，可以直接使用产物而不进行分离步骤，从而提供成本优势。
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公开(公告)号：US5342732A
公开(公告)日：1994-08-30
申请号：US941083
申请日：1992-10-13
申请人： Philip J. Coldrick , Julia Pich
发明人： Philip J. Coldrick , Julia Pich
CPC分类号： G03C1/22 , C09B23/105 , G03C1/061
摘要： A photosensitive photographic silver halide material comprising a support bearing a layer of a silver halide emulsion comprising at least 50% silver chloride which contains in or adjacent the emulsion layer a hydrazide nucleating agent and an amine booster, the combination of which is capable of providing high contrast images, which emulsion is sensitised with a dye of the general formula: ##STR1## wherein each of R.sup.1 and R.sup.2 are individually hydrogen, or halogen atom or an alkyl group of 1-4 carbon atoms, a sulfoalkyl, a trifluoromethyl, or cyano group, R.sup.3 is an alkyl or substituted alkyl group, R.sup.4 is a sulfoalkyl group, and R.sup.5 and R.sup.6 are individually an alkyl or substituted alkyl group, andwherein there is the necessary counter-ion.
摘要翻译： PCT No.PCT / EP92 / 00335 Sec。 371日期：1992年10月13日 102（e）日期1992年10月13日PCT提交1992年2月18日PCT公布。 出版物WO92 / 15042 日本9月3日，1992.一种光敏照相卤化银材料，其包含支承一层卤化银乳剂的载体，该层包含至少50％氯化银，其在乳液层中或邻近乳化层中含有酰肼成核剂和胺助剂，该组合 其能够提供高对比度图像，该乳液用以下通式的染料敏化：烯丙基氢或卤素原子或1-4个碳原子的烷基，磺基烷基，三氟甲基或氰基，R3 是烷基或取代的烷基，R4是磺基烷基，R5和R6分别是烷基或取代的烷基，并且其中有必要的抗衡离子。
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公开(公告)号：US5298362A
公开(公告)日：1994-03-29
申请号：US43119
申请日：1993-04-05
CPC分类号： G03C1/7614 , G03C1/061
摘要： High contrast graphic arts photographic materials exhibiting improved accuracy in image reproduction are comprised of a support, a silver halide emulsion layer having a chloride content of at least 50 mole percent, and a non-electroconductive hydrophilic colloid layer containing both a vinyl polymer and a hydrophilic colloid interposed between the support and the silver halide emulsion layer. A hydrazine nucleating agent is incorporated in or adjacent to the silver halide emulsion layer and the photographic material preferably also contains an amino compound which functions as a booster.
摘要翻译： 具有提高图像再现精度的高对比度图形艺术照相材料包括载体，氯化物含量至少为50摩尔％的卤化银乳剂层和含有乙烯基聚合物和亲水性的非导电亲水胶体层 介于载体和卤化银乳剂层之间的胶体。 肼成核剂并入卤化银乳剂层中或邻近卤化银乳剂层，并且照相材料优选还含有用作增效剂的氨基化合物。
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