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1.发明授权Processing a photographic material comprising an emulsion layer providing a contrast gradation and another layer providing a soft tone gradation 失效处理包括提供对比度级别的乳剂层的照相材料和提供柔和色调等级的另一层
公开(公告)号：US4761362A
公开(公告)日：1988-08-02
申请号：US947301
申请日：1986-12-29
CPC分类号： G03C1/46 , Y10S430/15
摘要： An image forming process capable of providing photographic images having extremely high contrast and high resolution for use in photoengraving is disclosed, which comprises processing an image-wise exposed silver halide light-sensitive material having at least two silver halide emulsion layers on a support, one of said emulsion layers providing a contrasty gradation and the other of said emulsion layers providing a soft tone gradation, with a hydrazine contrast development system, a tetrazolium contrast development system or a lith development system, wherein the gamma (.gamma.) value of the portion having a density (D) from 0.3 to 1.5 on the characteristic curve obtained is less than 10 and the gamma (.gamma.) value of the portion having a density (D) from 1.5 to 3.0 is at least 10.
摘要翻译： 公开了能够提供用于光刻中具有极高对比度和高分辨率的摄影图像的图像形成方法，其包括在载体上具有至少两个卤化银乳剂层的成像曝光的卤化银感光材料，一种 的所述乳剂层提供对比度的渐变，并且所述乳液层中的另一个提供柔和的色调等级，具有肼对比度显影系统，四唑对比度显影系统或者锂显影系统，其中具有 所获得的特性曲线上的密度（D）为0.3〜1.5小于10，密度（D）为1.5〜3.0的部分的γ（γ）值为10以上。
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公开(公告)号：US4908293A
公开(公告)日：1990-03-13
申请号：US93341
申请日：1987-09-04
摘要： A superhigh contrast negative type silver halide photographic material, comprising a support having provided thereon at least one silver halide emulsion layer, wherein the emulsion layer or at least one other hydrophilic colloid layer contains at least one hydrazine derivative and at least one organic desensitizer having at least one water-soluble group or alkali-dissociative group. The material has a reduced sensitivity suitable for processing in a bright room while enjoying the effect of the hydrazine derivative to increase contrast.
摘要翻译： 一种超高对比度负型卤化银照相材料，包括其上提供有至少一个卤化银乳剂层的载体，其中所述乳剂层或至少一种其它亲水胶体层含有至少一种肼衍生物和至少一种有机脱敏剂，其具有 至少一个水溶性基团或碱解离基团。 该材料具有降低的灵敏度，适用于在明亮的房间中加工，同时享受肼衍生物的作用以增加对比度。
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3.发明授权Silver halide photographic material and method for forming superhigh contrast negative images using the same 失效卤化银照相材料和使用其形成超高对比度负像的方法
公开(公告)号：US4987052A
公开(公告)日：1991-01-22
申请号：US139230
申请日：1987-12-29
申请人： Shigeo Hirano , Kazunobu Katoh , Yoshio Inagaki , Nobuaki Inoue
发明人： Shigeo Hirano , Kazunobu Katoh , Yoshio Inagaki , Nobuaki Inoue
摘要： A silver halide photographic material is disclosed, which comprises at least one silver halide emulsion layer on a support, at least one of the emulson layer and other layers contains at least one hydrazine derivative and at least one of these layers contains at least one compound having both a silver halide adsorbing group and an acid group represented by the general formula (I):C-L-D (I)wherein C represents a group that enhances adsorption to silver halide, D represents an acid group, and L represents a divalent linking group,and possessing substantially no absorption maximum in the visible region. A method for forming superhigh contrast negative images is also disclosed, comprising imagewise exposing this silver halide photographic material, followed by developing with a developing solution containing sulfite ions in an amount of about 0.15 mol or more per liter and having a pH of about 10.5 to about 12.3.
摘要翻译： 公开了一种卤化银照相材料，其包含至少一个卤化银乳剂层，其中至少一个乳化剂层和其它层含有至少一个肼衍生物，并且这些层中的至少一个含有至少一种具有 卤化银吸附基团和由通式（I）表示的酸基团：CLD（I）其中C表示增强对卤化银的吸附的基团，D表示酸基，L表示二价连接基团， 在可见区域基本上没有吸收最大值。 还公开了一种用于形成超高对比度负像的方法，包括成像曝光该卤化银照相材料，然后用含有约0.15摩尔或更高/升每升的量的亚硫酸根离子的显影溶液显影，并具有约10.5的pH至 约12.3。
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公开(公告)号：US06586167B2
公开(公告)日：2003-07-01
申请号：US09909853
申请日：2001-07-23
申请人： Kazunobu Katoh , Toyohisa Oya
发明人： Kazunobu Katoh , Toyohisa Oya
IPC分类号： G03C106
CPC分类号： G03C1/49854
摘要： A method for thermally forming images for plate making, which comprises forming an image for plate making by using a thermally processed image recording material comprising a silver salt of an organic acid, a reducing agent, a color image forming material and an organic binder on a support, wherein the image consists essentially of a developed silver image and a color forming dye image and the color forming dye image shows an absorbance for ultraviolet region higher than that for visible region and has a transmission density of 0.3 or more for the region of 360-450 nm. There are provided a thermally processed image recording material and method for thermally forming images that provide significant difference of ultraviolet absorption between image areas and non-image areas suitable for printing plate making.
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公开(公告)号：US06395466B1
公开(公告)日：2002-05-28
申请号：US09547761
申请日：2000-04-12
申请人： Kazunobu Katoh , Minoru Sakai
发明人： Kazunobu Katoh , Minoru Sakai
IPC分类号： G03L1498
CPC分类号： G03C1/49827 , G03C2200/42
摘要： A heat-developable image recording material containing an organic silver salt, a reducing agent and an organic binder characterized in that the reducing agent comprises a combination of two or more different kinds of reductive compounds exhibiting superadditivity was disclosed.
摘要翻译： 含有有机银盐，还原剂和有机粘合剂的热显影图像记录材料，其特征在于还原剂包含两种或更多种不同种类的具有超加性的还原性化合物的组合。
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6.发明授权
公开(公告)号：US5989773A
公开(公告)日：1999-11-23
申请号：US831777
申请日：1997-03-31
申请人： Kouta Fukui , Minoru Sakai , Kazunobu Katoh
发明人： Kouta Fukui , Minoru Sakai , Kazunobu Katoh
CPC分类号： G03C1/061 , G03C5/30 , G03C5/305 , G03C1/067 , G03C2001/108 , G03C2005/3007 , G03C2200/33 , G03C5/3053
摘要： A developing processing method and an image forming method are described, which comprise the steps of (a) exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer; and (b) developing the exposed silver halide photographic material with a developer containing a developing agent, containing substantially no dihydroxybenzene developing agent, containing an auxiliary developing agent exhibiting a superadditive property, containing a quaternary onium salt compound, and having a pH value of from 9.5 to 11.5, or a developer containing a developing agent, containing substantially no dihydroxybenzene developing agent, and having a pH value of from 10 or less.
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公开(公告)号：US5962182A
公开(公告)日：1999-10-05
申请号：US822645
申请日：1997-03-24
摘要： A method for forming an image which comprises imagewise-exposing a silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the emulsion layer or other hydrophilic colloid layer contains a hydrazine derivative as a nucleating agent and contains at least one compound represented by formula (A); and then developing the exposed photographic material with a developer having a pH of 9.0 to 11.0 which contains an ascorbic acid type developing agent and does not substantially contain a dihydroxybenzene type developing agent: ##STR1## wherein X represents a hydrogen atom, an aryl group, a heterocyclic group, or a group represented by formula (B): ##STR2## wherein each of R.sub.1, R.sub.2 and R.sub.3 may be the same or different, and each represents a hydrogen atom or a group other than a hydroxyl group.
摘要翻译： 一种用于形成图像的方法，其包括使包含其上具有至少一个卤化银乳剂层的载体成像曝光卤化银照相材料，其中所述乳剂层或其它亲水胶体层含有肼衍生物作为成核剂并且至少包含 一种由式（A）表示的化合物; 然后用含有抗坏血酸型显影剂的pH为9.0〜11.0的显影剂显影曝光的照相材料，基本上不含二羟基苯型显影剂：其中X表示氢原子，芳基，杂环基 或由式（B）表示的基团：其中R 1，R 2和R 3各自可以相同或不同，并且各自表示氢原子或除羟基以外的基团。
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公开(公告)号：US5468592A
公开(公告)日：1995-11-21
申请号：US220641
申请日：1994-03-31
申请人： Kazumi Nii , Takashi Hoshimiya , Kazunobu Katoh , Toshihide Ezoe
发明人： Kazumi Nii , Takashi Hoshimiya , Kazunobu Katoh , Toshihide Ezoe
摘要： An ultra-hard silver halide photographic material having high processing stability, which contains a hydrazine derivative represented by the following general formula (1) or (2): ##STR1## wherein X.sup.1 and X.sup.2 are each a group containing 1 to 6 carbon atoms, Y.sup.1 is a hydrogen atom or a group, R.sup.1 is a group, Y.sup.1 and R.sup.1 jointly provide 4 to 30 carbon atoms, Y.sup.2 is an electron withdrawing group, R.sup.2 is a hydrogen atom or a monovalent group, and n is an integer of from 1 to 5.
摘要翻译： 一种具有高加工稳定性的超硬卤化银照相材料，其含有下列通式（1）或（2）表示的肼衍生物：其中X1和X2分别为 含有1〜6个碳原子的基团，Y1为氢原子或基团，R1为基团，Y1和R1共同提供4〜30个碳原子，Y2为吸电子基团，R2为氢原子或一价基团 ，n为1〜5的整数。
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公开(公告)号：US5278025A
公开(公告)日：1994-01-11
申请号：US931508
申请日：1992-08-21
申请人： Hisashi Okamura , Kazunobu Katoh , Tetsuro Kojima
发明人： Hisashi Okamura , Kazunobu Katoh , Tetsuro Kojima
CPC分类号： G03C1/061 , G03C1/34 , G03C1/43 , G03C5/305 , Y10S430/158
摘要： A method for forming an image comprising the steps of: (a) imagewise exposing silver halide photographic materials; where said photographic material contains (1) a compound represented by formula (I) ##STR1## wherein R.sub.1 represents an aliphatic group or an aromatic group; R.sub.2 represents a hydrogen atom, an alkyl group, or an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group, or an oxycarbonyl group; G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, ##STR2## or an iminomethylene group; and A.sub.1 and A.sub.2 both represent a hydrogen atom, or one of A.sub.1 or A.sub.2 represents a hydrogen atom and the other represents a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted arylsulfonyl group, or a substituted or unsubstituted acyl group, and (2) a redox compound that can release a development inhibitor when oxidized; and (b) subjecting said imagewise exposed silver halide photographic materials to development-processing where a bath used in said development-processing contains a nucleation development accelerator.
摘要翻译： 一种用于形成图像的方法，包括以下步骤：（a）成像曝光卤化银照相材料; 其中所述照相材料包含（1）由式（I）表示的化合物（*化学结构*）（I）其中R 1表示脂族基团或芳族基团; R2表示氢原子，烷基或芳基，烷氧基，芳氧基，氨基，氨基甲酰基或氧羰基; G1表示羰基，磺酰基，磺氧基，（*化学结构*）或亚氨基亚甲基; 和A1和A2均表示氢原子，或A1或A2中的一个表示氢原子，另一个表示取代或未取代的烷基磺酰基，取代或未取代的芳基磺酰基或取代或未取代的酰基，（2） 氧化还原化合物，当氧化时可释放显影抑制剂; 和（b）对所述成像曝光的卤化银照相材料进行显影处理，其中所述显影处理中使用的浴含有成核显影促进剂。
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公开(公告)号：US5238780A
公开(公告)日：1993-08-24
申请号：US757354
申请日：1991-09-10
申请人： Yoshihiro Takagi , Kazunobu Katoh
发明人： Yoshihiro Takagi , Kazunobu Katoh
CPC分类号： G03C1/061
摘要： A method for forming images having a contrast of greater than G 8, comprising the step of developing an imagewise exposed silver halide photographic material with a developing solution having a pH of 11.2 or less. The silver halide photographic material comprises a support having thereon a hydrophilic colloid layer containing a redox compound which releases a development inhibitor upon oxidation and at least one photosensitive silver halide emulsion layer containing a hydrazine derivative. The at least one photosensitive silver halide emulsion layer containing a hydrazine derivative is different from the hydrophilic colloid layer containing a redox compound.
摘要翻译： 一种用于形成具有大于G 8的对比度的图像的方法，包括用pH为11.2或更小的显影溶液显影成像曝光的卤化银照相材料的步骤。 卤化银照相材料包括其上具有含有氧化还原化合物的亲水胶体层的载体，其在氧化时释放显影抑制剂和至少一种含有肼衍生物的感光卤化银乳剂层。 含有肼衍生物的至少一种感光性卤化银乳剂层与含有氧化还原化合物的亲水胶体层不同。
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