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公开(公告)号：US5166046A
公开(公告)日：1992-11-24
申请号：US639690
申请日：1991-01-10
申请人： Hiroshi Okusa , Nobuaki Kagawa , Shinri Tanaka
发明人： Hiroshi Okusa , Nobuaki Kagawa , Shinri Tanaka
CPC分类号： G03C1/29
摘要： The present invention relates to a silver halide photographic material having one or more light-sensitive silver halide emulsion layers on a support, which said photographic material is characterized in that at least one of said light-sensitive emulsion layers contains silver halide grains that are spectrally sensitized with at least one of the spectral sensitizers represented by the following general formula (I) and further contains at least one of the compounds represented by the following general formulas (II) and (III): ##STR1## wherein the variables are as defined in the specification.
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公开(公告)号：US5093222A
公开(公告)日：1992-03-03
申请号：US262634
申请日：1988-10-26
申请人： Kazunobu Katoh
发明人： Kazunobu Katoh
摘要： A negative silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein said silver halide emulsion layer or another hydrophilic colloid layer provided on the support contains (i) a hydrazine derivative, (ii) at least one cationic dye selected from the group consisting of cyanine dyes, hemicyanine dyes and rhodacyanine dyes, and (iii) a compound represented by formula (I) and having substantially no absorption maximum at the visible region; ##STR1## wherein Z.sup.11, Z.sup.12, R.sup.11, R.sup.12, X and n are defined in the specification.
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公开(公告)号：US4970141A
公开(公告)日：1990-11-13
申请号：US154555
申请日：1988-02-10
申请人： Akihiko Ikegawa , Masaki Okazaki , Yuichi Ohashi
发明人： Akihiko Ikegawa , Masaki Okazaki , Yuichi Ohashi
CPC分类号： G03C1/29
摘要： A silver halide photographic emulsion containing at least one of the compounds of formula (I) and at least one of the compounds of formula (III), or further containing at least one of the compounds of formula (II) besides the above at least two compounds: ##STR1## wherein R.sub.0, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.11 each represent various groups; X.sub.1.sup..crclbar., X.sub.2.sup..crclbar. and X.sub.3.sup..crclbar. each represent counter anions; l, m and n are each 0 or 1; Z.sub.1 and Z.sub.2 each represent nonmetal atomic groups necessary for forming unsubstituted or substituted benzene rings, or unsubstituted or substituted naphthalene rings; and Z.sub.3 and Z.sub.4 each represent nonmetal atomic groups necessary for forming unsubstituted or substituted naphthalene rings.The silver halide photographic emulsions are enhanced in spectral light-sensitivity of green wavelength region, and photographic light-sensitive materials prepared using these emulsions are not only enhanced in spectral sensitivity of green short wavelength region, but also excellent in inhibiting fog increase and sensitivity lowering during preservation.
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公开(公告)号：US4889796A
公开(公告)日：1989-12-26
申请号：US136991
申请日：1987-12-23
申请人： Akihiko Ikegawa , Yuichi Ohashi , Masaki Okazaki
发明人： Akihiko Ikegawa , Yuichi Ohashi , Masaki Okazaki
CPC分类号： G03C1/29
摘要： A silver halide photographic emulsion which contains at least one of the compounds represented by the following general formula (I), and at least one compound selected from the group consisting of the compounds represented by the general formula (II) and the compounds represented by the general formula (III): General formula (I) ##STR1## wherein R.sub.0 and R.sub.1 may be the same or different, and represent hydrogen atoms, alkyl, aryl, alkoxy, aryloxy groups, halogen atoms, alkoxycarbonyl, acylamino, acyl, cyano carbamoyl, sulfamoyl, carboxyl, or acyloxy groups under the condition that R.sub.0 and R.sub.1 do not represent hydrogen atoms at the same time; R.sub.2 represents a hydrogen atom, alkyl, or aryl, R.sub.3 represents alkyl, aryl, alkoxy, aryloxy, acyl, acyloxy, alkoxycarbonyl, or acylamino group and moreover R.sub.3 is required to be a substituent having such L and B that S value is 544 or less in the equation ofS=3.536L-2.661B+535.4wherein L (its unit is .ANG.) represents "L" as a STERIMOL parameter, and B (its unit is .ANG.) represents the smaller value among B.sub.1 +B.sub.4 and B.sub.2 +B.sub.3 which are STERIMOL parameters, under the condition that R.sub.1 and R.sub.3, or R.sub.0 and R.sub.3 do not represent aryl groups at the same time; R.sub.4 and R.sub.5 may be the same, and represent alkyl groups; X.sub.1.sup..crclbar. represents a counter anion; and l is 0 or 1, and when an inner salt is formed, l is 0; General formula (II) ##STR2## wherein Z.sub.1 and Z.sub.2 may be the same or different, and represent nonmetal atomic groups necessary for forming benzene rings, or naphthalene rings under the condition that Z.sub.1 and Z.sub.2 do not form naphthalene rings at the same time, and under the further condition that when Z.sub.1 and/or Z.sub.2 represent benzene rings having a substituent, the substituent does not represent a substituent defined as R.sub.3 ; R.sub.7 has the same significance with R.sub.2 ; R.sub.6 and R.sub.8 have the same significances with R.sub.4 and R.sub.5 respectively; X.sub.2.sup..crclbar. has the same significance with X.sub.1.sup..crclbar. ; and n has the same significance with l; General formula (III) ##STR3## wherein Z.sub.3 and Z.sub.4 may be the same or different, and represent nonmetal atomic groups necessary for forming benzene rings; Y represents a sulfur atom or a selenium atom; R.sub.9 and R.sub.11 have the same significances with R.sub.4 and R.sub.5 respectively; R.sub.10 has the same significance with R.sub.2 ; X.sub.3.sup..crclbar. has the same significance with X.sub.1.sup..crclbar., and n has the same significance with l.Photographic light-sensitive materials which have been coated with this emulsion have elevated spectral sensitivities in green short wavelength region and excellent preservabilities and stabilities.
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15.发明授权
公开(公告)号：US4571380A
公开(公告)日：1986-02-18
申请号：US546214
申请日：1983-10-27
申请人： Yasuhiro Noguchi , Yuji Mihara
发明人： Yasuhiro Noguchi , Yuji Mihara
CPC分类号： G03C1/29 , G03C1/485 , Y10S430/141
摘要： An inner latent image type silver halide photographic emulsion which is spectrally sensitized by adding at least one cyanine dye represented by general formula (II) to a direct positive inner latent image type silver halide photographic emulsion and thereafter adding additionally at least one cyanine dye represented by general formula (I) to said emulsion ##STR1## (the symbols are as defined in the appended claims). A remarkable increase of spectral sensitivity, an increase of maximum density and a decrease of minimum density can be obtained by this silver halide photographic emulsion.
摘要翻译： 通过将至少一种由通式（II）表示的花青染料添加到直接正内潜像型卤化银照相乳剂中，然后另外加入至少一种花青染料代替的内部潜像型卤化银照相乳剂进行光谱增感， （I）至所述乳液的通式（I）（I）（符号如所附权利要求中所定义）。 通过该卤化银照相乳剂可以获得光谱灵敏度的显着增加，最大密度的增加和最小密度的降低。
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公开(公告)号：US4552828A
公开(公告)日：1985-11-12
申请号：US527922
申请日：1983-08-30
申请人： Ichizo Toya , Yuji Mihara , Haruo Takei
发明人： Ichizo Toya , Yuji Mihara , Haruo Takei
CPC分类号： G03C1/29 , G03C1/48584
摘要： A direct positive silver halide photographic emulsion which is able to provide a high maximum density and a low minimum density and having a high developing progress. The emulsion contains at least one of the sensitizing dyes represented by following general formula I and at least one of the compounds represented by general formula II:Formula I: ##STR1## Formula II: ##STR2## The substituents are defined in the specification.
摘要翻译： 直接的正卤化银照相乳剂，其能够提供高的最大密度和低的最小密度并具有高的显影进程。 该乳液含有至少一种由以下通式I表示的敏化染料和至少一种由通式II表示的化合物：式I：式II：取代基在说明书中定义。
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公开(公告)号：US4536473A
公开(公告)日：1985-08-20
申请号：US659935
申请日：1984-10-11
申请人： Yuji Mihara
发明人： Yuji Mihara
CPC分类号： G03C1/29 , G03C1/035 , G03C1/28 , G03C5/164 , Y10S430/145
摘要： A silver halide photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer which comprises silver halide grains containing at least silver chloride and spectrally sensitized to infrared rays with at least one dye selected from a tricarbocyanine dye and a dicarbocyanine dye having a 4-quinoline nucleus, wherein the silver halide emulsion layer contains from 0.0003 mol to 0.01 mol per mol of silver of a water-soluble bromide.The silver halide photographic light-sensitive material has high sensitivity in an infrared spectral region which does not substantially change during the preservation of the photographic light-sensitive material.
摘要翻译： 一种卤化银照相感光材料，其包含其上具有卤化银乳剂层的载体，其包含至少含有氯化银的卤化银颗粒和对红外线进行光谱增感，所述卤化银颗粒至少含有选自三碳代花青染料和二碳花青染料的染料，所述染料具有 4-喹啉核，其中所述卤化银乳剂层含有每摩尔水溶性溴化银0.0003摩尔至0.01摩尔。 卤化银照相感光材料在红外光谱区域具有高灵敏度，在保存照相感光材料过程中基本上不会发生变化。
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18.发明授权
公开(公告)号：US4518689A
公开(公告)日：1985-05-21
申请号：US546125
申请日：1983-10-27
申请人： Yasuhiro Noguchi , Yuji Mihara
发明人： Yasuhiro Noguchi , Yuji Mihara
CPC分类号： G03C1/48584 , G03C1/29 , Y10S430/141
摘要： An inner latent image type silver halide photographic emulsion which is spectrally sensitized by adding at least one monomethine cyanine dye represented by general formula (II) to a direct positive inner latent image type silver halide photographic emulsion and thereafter adding additionally at least one monomethine cyanine dye represented by general formula (I) to said emulsion ##STR1## (the symbols are as defined in the appended claims). A remarkable increase of spectral sensitivity, an increase of maximum density and a decrease of minimum density can be obtained by this silver halide photographic emulsion.
摘要翻译： 通过将至少一种由通式（II）表示的单甲基花青染料加入到直接正性内潜像型卤化银照相乳剂中，然后再加入至少一种单甲基花青染料，将内部潜像型卤化银照相乳剂进行光谱增感， （I）表示为所述乳液（I）（IMAG）（II）（符号如所附权利要求中所定义）。 通过该卤化银照相乳剂可以获得光谱灵敏度的显着增加，最大密度的增加和最小密度的降低。
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公开(公告)号：US4047964A
公开(公告)日：1977-09-13
申请号：US625356
申请日：1975-10-23
申请人： Masanao Hinata , Haruo Takei , Akira Sato , Akira Ogawa
发明人： Masanao Hinata , Haruo Takei , Akira Sato , Akira Ogawa
CPC分类号： G03C1/29
摘要： A supersensitized silver halide photographic emulsion which contains at least one dye of the formula: ##STR1## wherein Z.sup.1 represents the atoms necessary to complete a benzisoxazole ring; Q.sup.1 represents the atoms necessary to complete a 2-thiooxazolidine-2,4-dione ring, a rhodanine ring or a 2-thiohydantoin ring; and R.sup.1 represents an aliphatic group, in combination with at least one cyanine dye or merocyanine dye which contains no benzisoxazole ring.
摘要翻译： 含有至少一种下式的染料的超敏化卤化银照相乳剂：其中Z1表示完成苯并异恶唑环所必需的原子; Q1表示完成2-硫代恶唑烷-2,4-二酮环，绕丹宁环或2-硫代乙内酰脲环所必需的原子; 并且R1表示与不含苯并异恶唑环的至少一种花青染料或部花青染料组合的脂族基团。
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20.发明授权
公开(公告)号：US4040839A
公开(公告)日：1977-08-09
申请号：US687819
申请日：1976-05-19
申请人： Junichi Matsuyama , Masanao Hinata , Akira Sato
发明人： Junichi Matsuyama , Masanao Hinata , Akira Sato
CPC分类号： G03C1/29
摘要： A silver halide photographic emulsion containing at least one sensitizing dye of the following general formula (I) and at least one sensitizing dye of general formulae (II) and/or (III), in an amount effective to achieve supersensitization: ##STR1## wherein V.sup.1 and V.sup.2, which may be the same or different, each represents a hydrogen atom, halogen atom, trifluoromethyl, cyano, carboxy, alkoxycarbonyl, aminosulfonyl or alkylsulfonyl; W.sup.1 and W.sup.2, which may be the same or different, each represents a hydrogen atom, halogen atom, alkyl, alkoxy, hydroxy, acyloxy or phenyl; R.sup.1 represents alkyl or substituted alkyl; R.sup.2 and R.sup.3, which may be the same or different, each represents alkyl or substituted alkyl, and at least one of R.sup.2 and R.sup.3 represents 1 or 0; substituted alkyl containing a carboxy or sulfo radical; R.sup.4 and R.sup.5, which may be the same or different, each has the same meanings as R.sup.1 ; X.sup.- represents an acid anion; and m represents ##STR2## wherein V.sup.3 and V.sup.4, which may be the same or different, each has the same meaning as V.sup.1 and V.sup.2 ; W.sup.3 and W.sup.4, which may be the same or different, each has the same meaning as W.sup.1 and W.sup.2 ; R.sup.6 has the same meaning as R.sup.1 ; R.sup.7 and R.sup.8, which may be the same or different, each has the same meaning as R.sup.2 and R.sup.3 ; X.sup.- represents an acid anion; and n represents 1 or 0; ##STR3## wherein W.sup.5 and W.sup.6, which may be the same or different, each has the same meaning as W.sup.3 and W.sup.4 ; R.sup.10 and R.sup.11, which may be the same or different, each has the same meaning as R.sup.2 and R.sup.3 ; R.sup.9 represents an alkyl group; X.sup.- represents an acid anion; and p represents 1 or 0.
摘要翻译： 含有至少一种以下通式（I）的敏化染料和至少一种通式（II）和/或（III）的敏化染料）的卤化银照相乳液，其量可以有效地达到超敏化：（I） 其中V1和V2可以相同或不同，各自表示氢原子，卤素原子，三氟甲基，氰基，羧基，烷氧基羰基，氨基磺酰基或烷基磺酰基; W 1和W 2可以相同或不同，各自表示氢原子，卤素原子，烷基，烷氧基，羟基，酰氧基或苯基; R1代表烷基或取代的烷基; R 2和R 3可以相同或不同，各自表示烷基或取代的烷基，R 2和R 3中的至少一个表示1或0; 含有羧基或磺基的取代烷基; R 4和R 5可以相同或不同，各自具有与R 1相同的含义; X“表示酸性阴离子; 和m表示（II）其中V3和V4可以相同或不同，各自具有与V1和V2相同的含义; W3和W4可以相同或不同，各自具有与W1和W2相同的含义; R6与R1具有相同的含义; R 7和R 8可以相同或不同，各自具有与R 2和R 3相同的含义; X“表示酸性阴离子; n表示1或0; （III）其中W5和W6可以相同或不同，各自具有与W3和W4相同的含义; R10和R11可以相同或不同，各自具有与R 2和R 3相同的含义; R9表示烷基; X“表示酸性阴离子; p表示1或0。
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