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公开(公告)号：US4474872A
公开(公告)日：1984-10-02
申请号：US450610
申请日：1982-12-17
CPC分类号： G03C1/005
摘要： A method for producing a photographic emulsion is disclosed. The method includes the process of adding a dispersion of a substantially water-insoluble photographic additive to a photographic emulsion. The dispersion being prepared merely by mechanically grinding and dispersing the photographic additive in a form of fine grain having a size of 1.mu. or less in an aqueous system adjusted to a pH value of 6 to 8 and controlled to a temperature of 60.degree. to 80.degree. C. The additive is included in the photographic emulsion without the need of an organic solvent. The emulsion of the invention can be easily and quickly coated to form a uniform layer.
摘要翻译： 公开了一种用于生产照相乳剂的方法。 该方法包括将基本上不溶于水的照相添加剂的分散体添加到照相乳剂中的方法。 该分散体仅通过在调节至pH值为6至8并控制在60至80℃的温度的水性体系中机械研磨和分散尺寸为1μm或更小的细晶粒的照相添加剂来制备 该添加剂被包含在照相乳剂中，而不需要有机溶剂。 本发明的乳液可以容易且快速地涂覆以形成均匀的层。
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2.发明授权Silver halide photographic light sensitive material with improved silver blackness of picture image 失效卤化银照相感光材料，具有改善的银色黑色度的图像
公开(公告)号：US4818675A
公开(公告)日：1989-04-04
申请号：US872895
申请日：1986-06-11
申请人： Nobuaki Miyasaka , Hideo Ikeda , Minoru Sakai , Shigeru Ohno , Yasuo Mukunoki
发明人： Nobuaki Miyasaka , Hideo Ikeda , Minoru Sakai , Shigeru Ohno , Yasuo Mukunoki
CPC分类号： G03C1/825
摘要： This invention provides a silver halide photographic light sensitive material having an improved blackness of image silver, as well as high sensitivity and covering power. The present silver halide photographic light sensitive material includes at least one layer of a silver halide photographic emulsion on at least one side of a support, characterized in that said layer of silver halide photographic emulsion contains fine silver halide grains, or tabular silver halide grains having a grain thickness of 0.4.mu. or less, and a dye having a maximum absorption wave length of 520 to 580 nm is contained in said layer of silver halide photographic emulsion and/or another layer such that the transmission density of green light is 0.03 or less after the developing treatment of the photographic light sensitive material.
摘要翻译： 本发明提供了具有改善的图像银黑度以及高灵敏度和覆盖功率的卤化银照相感光材料。 本发明的卤化银照相感光材料在载体的至少一侧包括至少一层卤化银照相乳剂，其特征在于，所述卤化银照相乳剂层含有细卤化银颗粒或具有 粒度为0.4μm以下，并且在所述卤化银照相乳剂层和/或另一层中含有最大吸收波长为520〜580nm的染料，使得绿光的透过密度为0.03以下 在照相感光材料的显影处理之后。
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公开(公告)号：US4859576A
公开(公告)日：1989-08-22
申请号：US178796
申请日：1988-03-29
申请人： Nobuaki Miyasaka , Shigeki Yokoyama , Shuzo Suga , Takashi Naoi , Masaki Satake
发明人： Nobuaki Miyasaka , Shigeki Yokoyama , Shuzo Suga , Takashi Naoi , Masaki Satake
CPC分类号： G03C1/043 , G03C1/895 , Y10S430/162
摘要： A silver halide photographic material having a high covering power with improved pressure resistance and antistatic properties upon development, which comprises at least one silver halide photographic emulsion layer disposed on at least one side of a support, wherein at least one of the silver halide photographic emulsion layer(s) contains a photosensitive silver halide emulsion containing silver iodide and an internally fogged silver halide emulsion, and at least one of the silver halide photographic emulsion layer(s) and an auxiliary layer(s) which is disposed on the same side of the support as that of the support having said emulsion containing silver iodide contains at least one polyoxyethylenic surface active agent selected from the group consisting of compounds represented by formula (I) and (II) ##STR1## wherein R.sub.1, R.sub.2, R.sub.6, R.sub.8, R.sub.10, and R.sub.12 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group alkoxy group, or aryloxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group, R.sub.5, R.sub.7, R.sub.9 and R.sub.11 each represents a substituted or unsubstituted alkyl group, aryl group alkoxy group, or aryloxy group, a halogen atom, an acyl group, an amido group, a sulfonamido group, a carbamoyl group, or a sulfamoyl group; R.sub.3 and R.sub.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, aryl group, or heterocyclic aromatic ring, or groups in at least one combination of R.sub.3 and R.sub.4, R.sub.5 and R.sub.6, R.sub.7 and R.sub.8, R.sub.9 and R.sub.10, and R.sub.11 and R.sub.12 are connected to each other to form a substituted or unsubstituted ring; n.sub.1, n.sub.2, and n.sub.3 each represents the average polymerization degree of ethylene oxide within the range of from 5 to 50; and m represents an average polymerization degree of from 5 to 50.
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公开(公告)号：US5240826A
公开(公告)日：1993-08-31
申请号：US788344
申请日：1991-11-06
申请人： Nobuaki Miyasaka , Hideo Ikeda , Shigeru Ohno
发明人： Nobuaki Miyasaka , Hideo Ikeda , Shigeru Ohno
IPC分类号： G03C1/09
CPC分类号： G03C1/09
摘要： A novel silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer coated on at least one side of a support, wherein said photographic emulsion layer comprises a light-sensitive silver halide emulsion and said photographic emulsion or other layer(s) comprises a substantially light-insensitive, unfogged silver halide fine grain emulsion, with a heterocyclic mercapto compound represented by the following general formula (I) being adsorbed on the fine grains in said emulsion: general formula (I) ##STR1## wherein X represents --O--, --NH--, or --S--; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are a hydrogen atom or a substituent group; at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a substituted or unsubstituted alkyl or aryl group having up to 13 carbon atoms, such alkyl or aryl being bonded directly or through a divalent linkage group to the aromatic nucleus; X.sub.1 represents a hydrogen atom or a cation, such cation being required to neutralize the molecule.The silver halide photographic light-sensitive material is a high-speed material which exhibits improved granularity, gradation and rate of development.
摘要翻译： 一种新型卤化银照相感光材料，其具有涂覆在载体的至少一侧上的至少一个卤化银照相乳剂层，其中所述照相乳剂层包含感光卤化银乳剂和所述照相乳剂或其它层 ）包含基本上不光泽的未雾化的卤化银细粒乳液，其中由以下通式（I）表示的杂环巯基化合物被所述乳液中的细晶粒吸附：通式（I）其中X表示 -O - ， - NH-或-S-; R1，R2，R3和R4是氢原子或取代基; R 1，R 2，R 3和R 4中的至少一个是具有至多13个碳原子的取代或未取代的烷基或芳基，所述烷基或芳基直接键合或通过二价连接基团键合至芳香核; X1表示氢原子或阳离子，这种阳离子是中和分子所必需的。 卤化银摄影感光材料是高速材料，其表现出改善的粒度，分级和发展速度。
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公开(公告)号：US4624913A
公开(公告)日：1986-11-25
申请号：US700251
申请日：1985-02-11
CPC分类号： G03C1/38 , G03C1/043 , G03C1/06 , Y10S430/15 , Y10S430/167
摘要： A silver halide photographic light-sensitive material is described, comprising at least one light-sensitive silver halide emulsion layer on a support, wherein the emulsion in said light-sensitive silver halide emulsion layer comprises a silver iodobromide emulsion containing 3 mol % or more of iodide, and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a polyoxyethylene type surface active agent and at least one of said light-sensitive emulsion layer or another hydrophilic colloid layer contains a meso-ionic triazolium compound represented by formula (I) ##STR1## wherein X represents a sulfur ion or --N--R.sup.4, and R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each represents a hydrogen atom or a substituted or nonsubstituted alkyl group, aryl group, or heterocyclic group, or R.sup.1 and R.sup.2, R.sup.2 and R.sup.3 or R.sup.3 and R.sup.4 can together form a heterocyclic ring.
摘要翻译： 描述了一种卤化银照相感光材料，其包括至少一种在支持体上的感光卤化银乳剂层，其中所述感光卤化银乳剂层中的乳液包含含有3mol％或更多 碘化物，并且所述感光乳剂层或另一亲水胶体层中的至少一个含有聚氧乙烯型表面活性剂，并且所述感光乳剂层或另一亲水胶体层中的至少一种含有由下式表示的内消旋三唑鎓化合物： 式（I）其中X表示硫离子或-N-R 4，并且R 1，R 2，R 3和R 4各自表示氢原子或取代或未取代的烷基，芳基或杂环基 ，或R 1和R 2，R 2和R 3或R 3和R 4可以一起形成杂环。
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公开(公告)号：US4172730A
公开(公告)日：1979-10-30
申请号：US787725
申请日：1977-04-15
申请人： Masanao Hinata , Haruo Takei , Nobuaki Miyasaka , Kenji Takahashi
发明人： Masanao Hinata , Haruo Takei , Nobuaki Miyasaka , Kenji Takahashi
CPC分类号： G03C5/16 , G03C1/29 , Y10S430/167
摘要： Silver halide radiographic sensitive materials comprising at least one silver halide photographic emulsion layer on a support, which are used according to a process which comprises exposure to radiation from a fluorescent intensifying screen which emits light having a maximum emission in the green spectral range by excitation with radiation wherein at least 1/2 of the emission energy is in the wavelength range of above about 400 nm, and carrying out development of the exposed sensitive material to form radiographic images, wherein said silver halide sensitive materials contain below about 8.6 g of silver per square meter and said at least one silver halide photographic emulsion layer contains a combination of at least one dye represented by formula (I) and at least one dye represented by formula (II): ##STR1## wherein A.sub.1 and A.sub.2 each represents a hydrogen atom or a halogen atom; A.sub.3 and A.sub.4 each represents a hydrogen atom, a halogen atom, an alkoxy group or a phenyl group; B.sub.1, B.sub.2, B.sub.3 and B.sub.4 each represents a hydrogen atom, a halogen atom or an alkoxy group; R, R.sub.1 and R.sub.2 each represents an alkyl group and at least one of R.sub.1 and R.sub.2 represents a sulfoalkyl group or a carboxyalkyl group; R.sub.0 represents a hydrogen atom or a lower alkyl group, R.sub.3 and R.sub.4 each has the same meaning as R.sub.1 and R.sub.2 ; X.sub.1 represents an anion; m and n each represents an integer of 1 or 2, but m and n are 1 when the dye forms an inner salt; and X.sub.2 represents an anion.
摘要翻译： 卤化银射线照相敏感材料，其包括至少一个支持体上的卤化银照相乳剂层，其根据包括暴露于荧光增强屏幕的辐射而使用的方法，所述荧光增强屏幕通过激发在绿色光谱范围内发射具有最大发射的光， 辐射，其中至少1/2的发射能量在高于约400nm的波长范围内，并且进行曝光的敏感材料的显影以形成放射线照相图像，其中所述卤化银敏感材料含有低于约8.6g的银 并且所述至少一个卤化银照相乳剂层含有由式（I）表示的至少一种染料和至少一种由式（II）表示的染料的组合：其中：（I） 其中A1和A2各自表示氢原子或卤原子; A3和A4各自表示氢原子，卤素原子，烷氧基或苯基; B1，B2，B3和B4各自表示氢原子，卤素原子或烷氧基; R，R 1和R 2各自表示烷基，R 1和R 2中的至少一个表示磺基烷基或羧基烷基; R 0表示氢原子或低级烷基，R 3和R 4各自具有与R 1和R 2相同的含义; X1表示阴离子; m和n各自表示1或2的整数，但当染料形成内盐时，m和n分别为1; X2表示阴离子。
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公开(公告)号：US4853323A
公开(公告)日：1989-08-01
申请号：US919136
申请日：1986-10-15
申请人： Hideo Ikeda , Shuzo Suga , Nobuaki Miyasaka
发明人： Hideo Ikeda , Shuzo Suga , Nobuaki Miyasaka
CPC分类号： G03C1/10
摘要： The present invention relates to a silver halide emulsion containing a thiocyanate and having a high sensitivity in particular to light of a low illuminance. According to the present invention, a silver halide emulsion is provided, wherein the IR absorbance at 2052 cm.sup.-1 due to thiocyanate ion contained in the silver halide grain of the emulsion is observed and a tricarboxylic acid or its salt is contained in the emulsion.
摘要翻译： 本发明涉及含有硫氰酸盐并具有高灵敏度，特别是低照度光的卤化银乳剂。 根据本发明，提供了一种卤化银乳剂，其中观察到乳液中卤化银颗粒中含有的硫氰酸根离子在2052cm -1处的IR吸光度，乳液中含有三羧酸或其盐。
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公开(公告)号：US4276374A
公开(公告)日：1981-06-30
申请号：US43962
申请日：1979-05-30
摘要： A silver halide photographic emulsion containing the compound represented by the formula (I):R.sub.1 --(X--R.sub.3).sub.m --X--R.sub.2 (I)wherein R.sub.1 and R.sub.2 each represents an alkyl group containing 1 to 5 carbon atoms substituted with two or more substituents selected from --OH, --NHR.sub.4, --COOR.sub.4, --CONH.sub.2, --SO.sub.3 H, --COOM, or --SO.sub.3 M, R.sub.3 represents an alkylene group containing 1 to 4 carbon atoms which may be substituted by --OH, R.sub.4 represents a hydrogen atom or an alkyl group containing 1 to 5 carbon atoms, X represents a sulfur or oxygen atom, provided at least one X is a sulfur atom, m represents 0 or an integer of 1 to 4, and M represents an alkali metal atom.
摘要翻译： 含有式（I）表示的化合物的卤化银照相乳剂：R1-（X-R3）mX-R2（I）其中R1和R2各自表示被2个以上取代基取代的含有1〜5个碳原子的烷基 选自-OH，-NHR 4，-COOR 4，-CONH 2，-SO 3 H，-COOM或-SO 3 M，R 3表示可以被-OH取代的含有1至4个碳原子的亚烷基，R 4表示氢原子或 含有1至5个碳原子的烷基，X表示硫或氧原子，提供至少一个X为硫原子，m表示0或1-4的整数，M表示碱金属原子。
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公开(公告)号：US4040833A
公开(公告)日：1977-08-09
申请号：US672947
申请日：1976-04-02
申请人： Masanao Hinata , Haruo Takei , Nobuaki Miyasaka , Kenji Takahashi
发明人： Masanao Hinata , Haruo Takei , Nobuaki Miyasaka , Kenji Takahashi
CPC分类号： C09K11/7771 , G03C1/28 , G03C5/16 , G03C5/17 , G21K4/00 , Y10S430/167
摘要： In a process for forming radiographic images which comprises exposing a photograhic sensitive material comprising a support and at least one silver halide photographic emulsion layer to radiation from a fluorescent intensifying screen to form a latent image and thereafter developing the same, the improvement which comprises the fluorescent intensifying screen having a maximum emission wavelength in the range of about 500 to about 570 nm and a distribution such that at least about 1/2 of the emission energy is at a wavelength of above about 400 nm, and said silver halide photographic emulsion layer contains at least one sensitizing dye represented by formula (I) and at least one sensitizing dye represented by formula (II): ##STR1## WHEREIN R.sub.o represents an alkyl group and R.sub.1 and R.sub.2 each represent an alkyl group but at least one of R.sub.1 and R.sub.2 represents a sulfoalkyl group, X represents an anion, and m represents an integer of 1 or 2, and m = 1 when the dye forms an inner salt; ##STR2## wherein Z represents the group of atoms necessary to complete a benzoxazole nucleus, R.sub.3 represents an alkyl group, and Q represents the group of atoms necessary to complete a 2-thioimidazolidine-2,4-dione nucleus.
摘要翻译： 在用于形成放射线照相图像的方法中，其包括将包含支持体和至少一个卤化银照相乳剂层的照相感光材料暴露于来自荧光增强屏幕的辐射以形成潜像，然后显影，其改进包括荧光 具有约500至约570nm范围内的最大发射波长的增强屏幕和使得至少约1/2的发射能量在高于约400nm的波长处的分布，并且所述卤化银照相乳剂层含有 至少一种由式（I）表示的敏化染料和至少一种由式（II）表示的敏化染料：（I）其中R a表示烷基，R 1和R 2各自表示烷基，但是至少一个 R1和R2表示磺基烷基，X表示阴离子，m表示1或2的整数，当染料形成内盐时m = 1; 其中Z表示完成苯并恶唑核所需的原子团，R 3表示烷基，Q表示完成2-硫代咪唑烷-2,4-二酮核所需的原子团。
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公开(公告)号：US5112731A
公开(公告)日：1992-05-12
申请号：US574863
申请日：1990-08-30
申请人： Nobuaki Miyasaka
发明人： Nobuaki Miyasaka
IPC分类号： G03C1/005 , G03C1/035 , G03C1/12 , G03C1/16 , G03C1/18 , G03C1/20 , G03C1/22 , G03C1/26 , G03C1/28 , G03C5/16 , G03C5/26 , G03C7/30
CPC分类号： G03C1/0051 , G03C1/0053 , G03C1/12 , G03C5/16 , G03C1/16 , G03C1/18 , G03C1/20 , G03C1/22 , G03C1/26 , G03C1/28 , G03C2001/0055 , G03C2001/091 , G03C2001/095 , G03C2001/348 , G03C2005/168 , G03C2200/52 , Y10S430/164 , Y10S430/167
摘要： A silver halide photographic material is disclosed, which comprises a support having coated thereon at least one silver halide emulsion layer, wherein the emulsion layer comprises tabular grains of silver chloride, silver bromide, silver chlorobromide or silver chloroiodobromide having an iodide content of 1 mol % or less, which have an average aspect ratio of 3 or more and which have been spectrally sensitized with at least one spectral sensitizing dyes described below. ##STR1##
摘要翻译： 公开了一种卤化银照相材料，其包括其上涂覆有至少一种卤化银乳剂层的载体，其中乳液层包含碘化银含量为1mol％的氯化银，溴化银，氯溴化银或氯碘溴化银的片状颗粒， 或更小，其具有3以上的平均纵横比，并且已经用至少一种下述光谱增感染料进行光谱增感。 （三）
（三） （IV） （IV） （VI）
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