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    • 1. 发明授权
    • Silver halide photographic emulsion containing cyanine and hemicyanine
sensitizing dyes
    • 含有花青和半花青素敏化染料的卤化银照相乳剂
    • US4152163A
    • 1979-05-01
    • US777229
    • 1977-03-14
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • G03C1/28G03C1/14G03C1/19
    • G03C1/28
    • A spectrally sensitized silver halide photographic emulsion comprising a silver halide emulsion containing a combination of at least one sensitizing dye represented by the following general formula (I): ##STR1## at least one sensitizing dye represented by the following general formula (II): ##STR2## and at least one organic heterocyclic compound represented by the following general formula (III) or (IV): ##STR3## wherein Z.sup.1 and Z.sup.2, which may be the same or different, each represents a group of atoms necessary for forming a thiazole nucleus or a selenazole nucleus; Z.sup.3 has the same meaning as Z.sup.1 and Z.sup.2 ; Z.sup.4 represents a group of atoms necessary for forming an imidazole nucleus or an oxazole nucleus; Z.sup.5 represents a group of atoms necessary for forming an imidazole nucleus; R.sup.1, R.sup.2, R.sup.4, R.sup.5 and R.sup.7, which may be the same or different, each represents an alkyl group, with at least one of R.sup.1, R.sup.2, R.sup.4 and R.sup.5 being an alkyl group substituted with a carboxy group, a hydroxy group or a sulfo group; R.sup.3 and R.sup.6, which may be the same or different, each represents a lower alkyl group, an aryl group or a hydrogen atom; R.sup.8 represents a hydrogen atom or an alkylene group necessary for forming a ring through a combination with R.sup.7 ; R.sup.9 represents an aryl group (including a monocyclic aryl group and a bicyclic aryl group); X.sub.1.sup.-, X.sub.2.sup.- and X.sub.3.sup.- each represents an acid anion; m, n and p each represents 1 or 2, but when m, n or p is 1, the dye forms an intramolecular salt.The photographic emulsion exhibits a high sensitivity with a reduced fog and stain, and a good stability with the lapse of time during and after production, and further an improved latent image stability with the lapse of time of from image-wise exposure to development.
    • 包含含有由以下通式(I)表示的至少一种敏化染料的组合的卤化银乳剂的光谱增感卤化银照相乳剂:(I)至少一种由以下通式(II)表示的增感染料 )(II)和由以下通式(III)或(IV)表示的至少一种有机杂环化合物:其中Z 1和Z 2可以是 相同或不同,每个表示形成噻唑核或硒唑核所需的一组原子; Z3与Z1和Z2具有相同的含义; Z4表示形成咪唑核或恶唑核所需的一组原子; Z5表示形成咪唑核所需的一组原子; R 1,R 2,R 4,R 5和R 7可以相同或不同,各自表示烷基,R 1,R 2,R 4和R 5中的至少一个为被羧基,羟基或 磺基; R 3和R 6可以相同或不同,各自表示低级烷基,芳基或氢原子; R8表示通过与R 7的组合形成环所需的氢原子或亚烷基; R9表示芳基(包括单环芳基和双环芳基); X 1,X 2和X 3各自表示酸性阴离子; m,n和p各自表示1或2,但当m,n或p为1时,染料形成分子内盐。
    • 2. 发明授权
    • Supersensitized photographic emulsion
    • 超感光照相乳剂
    • US4147553A
    • 1979-04-03
    • US875728
    • 1978-02-07
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • Akira SatoTadashi IkedaTakeo SakaiHaruo TakeiJun Hayashi
    • C09B23/00G03C1/28G03C1/08
    • G03C1/28
    • A silver halide photographic emulsion containing, in supersensitizing amounts, the combination of at least one compound represented by the following general formula (I): ##STR1## wherein Z.sub.1 represents the atoms necessary for forming a benzene ring or a naphthalene ring; W.sub.1 represents a sulfur atom or a selenium atom; Y represents an oxygen atom or a sulfur atom; R.sub.1 represents an alkyl group or an aryl group; and R.sub.2 represents a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety or an aryl group;At least one carbocyanine dye represented by the following general formula (II): ##STR2## wherein Z.sub.2 represents the atoms necessary for forming a thiazole ring, a selenazole ring, an oxazole ring, an imidazole ring or a pyrroline ring; Z.sub.3 represents the atoms necessary for forming an oxazole ring or an imidazole ring; R.sub.4 and R.sub.5, which may be the same or different, each represents an alkyl group; R.sub.6 represents a hydrogen atom or a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety; X.sub.a.sup..crclbar. represents an acid anion; and p represents 0 or 1 and, when an inner salt is formed, p represents 0; andAt least one dye represented by the following general formula (III): ##STR3## wherein Z.sub.4 and Z.sub.5, which may be the same or different, each represents the atoms necessary for forming a thiazole ring or a selenazole ring; R.sub.7 and R.sub.8, which may be the same or different, each represents an alkyl group; R.sub.9 represents a hydrogen atom, a lower alkyl group having 1 to 6 carbon atoms in the alkyl moiety or an aryl group; X.sub.b.sup..crclbar. represents an acid anion; and q represents 0 or 1 and, when an inner salt is formed, q represents 0.
    • (I)表示的至少一种化合物的组合:(I)其中Z1表示形成苯环或萘环所需的原子的卤化银感光乳剂,其以超敏化剂量含有至少一种化合物的组合。 W1表示硫原子或硒原子; Y表示氧原子或硫原子; R1表示烷基或芳基; 并且R 2表示在烷基部分或芳基中具有1至6个碳原子的低级烷基; (II)表示的至少一种碳青霉烷衍生物:其中Z2表示形成噻唑环所需的原子,硒唑环,恶唑环,咪唑环或吡咯啉环; Z 3表示形成恶唑环或咪唑环所必需的原子; R 4和R 5可以相同或不同,各自表示烷基; R6表示烷基部分中的氢原子或碳原子数1〜6的低级烷基; Xa( - )表示酸性阴离子; p表示0或1,当形成内盐时,p表示0; (III)表示的至少一种染色剂:其中Z4和Z5可以相同或不同,分别表示形成噻唑环或硒唑环所需的原子; R 7和R 8可以相同或不同,各自表示烷基; R9表示氢原子,烷基部分或芳基中具有1〜6个碳原子的低级烷基; Xb( - )表示酸性阴离子; q表示0或1,当形成内盐时,q表示0。
    • 3. 发明授权
    • Photographic silver halide emulsions
    • 摄影卤化银乳剂
    • US4307185A
    • 1981-12-22
    • US720291
    • 1976-09-03
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • G03C1/28G03C1/29G03C1/14
    • G03C1/29
    • A silver halide photographic emulsion spectrally sensitized with a sensitizing combination of at least one sensitizing dye represented by General formula (I), at least one sensitizing dye represented by General formula (II) and at least one sensitizing dye represented by General formula (III): ##STR1## wherein Z.sup.1 and Z.sup.2 each is the atoms necessary to form a benzothiazole nucleus or a benzoselenazole nucleus, R.sup.1 and R.sup.2 each is an alkyl group or a substituted alkyl group, wherein at least one of R.sup.1 and R.sup.2 is a substituted alkyl group having a sulfo group, R.sup.3 is an alkyl group, X.sub.1 is an acid anion and m is 1 or 2 and when the dye forms an intermolecular salt (betaine like structure), m is 1; ##STR2## wherein Z.sup.3 is a sulfur atom or a selenium atom, Z.sup.4 is the atoms necessary to form a benzothiazole nucleus, a benzoselenazole nucleus, a naphtho[1,2-d]thiazole nucleus or a naphtho[1,2-d]selenazole nucleus, R.sup.4 and R.sup.5 each is an alkyl group or a substituted alkyl group, wherein at least one of R.sup.4 and R.sup.5 is a substituted alkyl group having a sulfo group, R.sup.6 is an alkyl group, an aryl group, a furyl group or a thienyl group, X.sub.2 is an acid anion and n is 1 or 2, and n is 1 when the dye forms an intermolecular salt (betaine like structure); wherein Z.sup.5 is the atomic group necessary to complete a naphthothiazole nucleus, Z.sup.6 is the atomic group necessary to complete a benzimidazole nucleus, R.sup.7 and R.sup.8 each is an alkyl group or a substituted alkyl group, where at least one of R.sup.7 and R.sup.8 is a carboxyalkyl group or a substituted alkyl group having a sulfo group, X.sub.3 is an acid anion, and p is 1 or 2, and p is 1 when the dye forms an intermolecular salt.
    • 用由通式(I)表示的至少一种敏化染料,至少一种由通式(II)表示的增感染料和至少一种由通式(III)表示的增感染料)的敏化组合进行光敏增感的卤化银照相乳剂, (I)其中Z1和Z2各自是形成苯并噻唑核所需的原子或苯并硒唑核,R1和R2各自是烷基或取代的烷基,其中R1和R2中的至少一个是 具有磺基的取代烷基,R3是烷基,X1是酸阴离子,m是1或2,当染料形成分子间盐(甜菜碱结构)时,m是1; (II)其中Z3为硫原子或硒原子,Z4为形成苯并噻唑核所需的原子,苯并硒唑核,萘并[1,2-d]噻唑核或萘并[1,2 -d]硒唑核,R4和R5各自为烷基或取代的烷基,其中R4和R5中的至少一个是具有磺基的取代烷基,R6是烷基,芳基,呋喃基 基团或噻吩基,X 2为酸性阴离子,n为1或2,当染料形成分子间盐(甜菜碱样结构)时,n为1; (III)其中Z5是完成萘并噻唑核所需的原子团,Z6是完成苯并咪唑核所必需的原子团,R7和R8各自为烷基或取代的烷基,其中至少一个为 R7和R8是羧基烷基或具有磺基的取代烷基,X3是酸阴离子,p是1或2,当染料形成分子间盐时,p是1。
    • 5. 发明授权
    • Silver halide photographic emulsion
    • 卤化银照相乳剂
    • US4308345A
    • 1981-12-29
    • US730900
    • 1976-10-08
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • G03C1/28G03C1/29G03C1/14
    • G03C1/29
    • A silver halide photographic emulsion selectively spectrally sensitized, particularly to red light, with a combination of at least one sensitizing dye represented by general formula (I): ##STR1## wherein Z.sup.1 and Z.sup.2 each represents the atoms necessary to form a benzothiazole nucleus or a benzoselenazole nucleus, R.sup.1 and R.sup.2 l each represents an alkyl group or a substituted alkyl group, wherein at least one of R.sup.1 or R.sup.2 should represent a sulfo group-containing substituted alkyl group, a carboxyalkyl group or a hydroxyalkyl group, R.sup.3 represents an alkyl group, X.sub.1 represents an acid anion, and m represents 1 or 2, wherein m equals 1 when the dye forms an intramolecular salt (betaine-like structure); at least one sensitizing dye represented by general formula (II): ##STR2## wherein Z.sup.3 represents a sulfur atom or a selenium atom, Z.sup.4 represents the atoms necessary to form a benzothiazole nucleus, a benzoselenazole nucleus, a naphtho[1,2-d]thiazole nucleus or a naphtho[1,2-d]selenazole nucleus, R.sup.4 and R.sup.5 each represents an alkyl group or a substituted alkyl group, wherein at least one of R.sup.4 or R.sup.5 should be a sulfo group-containing substituted alkyl group, a carboxyalkyl group or a hydroxyalkyl group, R.sup.6 represents an alkyl group, an aryl group, a furyl group or a thienyl group, X.sub.2 represents an acid anion, and n represents 1 or 2, wherein n equals 1 when the dye forms an intramolecular salt (betaine-like structure), and at least one benzimidazolothiacarbocyanine dye, which exhibits increased color reproducibility, high sensitivity and reduced residual coloration.
    • 通过至少一种由通式(I)表示的敏化染料的组合,选择性地光致敏化,特别是红光的卤化银照相乳剂:其中Z1和Z2各自表示形成苯并噻唑所必需的原子 核或苯并硒唑核,R 1和R 2各自表示烷基或取代的烷基,其中R 1或R 2中的至少一个应表示含磺基的取代的烷基,羧基烷基或羟烷基,R 3表示 烷基,X1表示酸阴离子,m表示1或2,当染料形成分子内盐(甜菜碱样结构)时,m等于1; 至少一种由通式(II)表示的敏化染料:其中Z 3表示硫原子或硒原子,Z 4表示形成苯并噻唑核所需的原子,苯并硒唑核,萘并[1, 2-d]噻唑核或萘并[1,2-d]硒唑核,R 4和R 5各自表示烷基或取代的烷基,其中R 4或R 5中的至少一个应为含磺基取代的烷基 基团,羧基烷基或羟烷基,R6表示烷基,芳基,呋喃基或噻吩基,X2表示酸阴离子,n表示1或2,其中当染料形成时,n等于1 分子内盐(甜菜碱样结构)和至少一种苯并咪唑硫羰花青染料,其表现出增加的颜色再现性,高灵敏度和降低的残留着色。
    • 6. 发明授权
    • Photographic silver halide emulsions
    • 摄影卤化银乳剂
    • US4039335A
    • 1977-08-02
    • US737130
    • 1976-10-29
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • Masanao HinataHaruo TakeiAkira SatoAtsuo IwamotoJun Hayashi
    • G03C1/28G03C1/29G03C1/14
    • G03C1/29
    • A silver halide photographic emulsion spectrally sensitized with a combination of sensitizing dyes consisting essentially of at least one sensitizing dye represented by the following general formula [I] and at least one sensitizing dye represented by the following general formula [II] in supersensitizing amounts: ##STR1## wherein R.sup.1 and R.sup.2 each is an alkyl group, R.sup.3 is an alkyl group, X.sub.1 is an acidic anion, m is 1 or 2, and m is 1 when the dye forms an intramolecular salt (betaine-like structure). ##STR2## WHEREIN Z.sup.1 is a sulfur atom or a selenium atom, Z.sup.2 is an atomic group necessary to form a benzothiazole ring, a benzoselenazole ring, a naphtho[1,2-d]thiazole ring or a naphtho[1,2-d]selenazole ring, R.sup.4 and R.sup.5 is an alkyl group, R.sup.6 is an alkyl group, a phenyl group, an aralkyl group, a furyl group or a thienyl group, X.sub.2 is an acidic anion, n is 1 or 2, and n is 1 when the dye forms an intramolecular salt (betaine-like structure).
    • 用基本上由以下通式[I]表示的至少一种敏化染料和至少一种由以下通式[II]表示的敏化染料在超敏化剂中组合的敏化染料的光致增感的卤化银照相乳剂:一般 其中R1和R2各自为烷基,R3为烷基,X1为酸性阴离子,m为1或2,当染料形成分子内时,m为1 盐(甜菜碱样结构)。 通式[II]其中Z 1为硫原子或硒原子,Z 2为形成苯并噻唑环所需的原子团,苯并硒唑环,萘并[1,2-d]噻唑环或萘并[ 1,2-d]硒唑环,R4和R5是烷基,R6是烷基,苯基,芳烷基,呋喃基或噻吩基,X2是酸性阴离子,n是1或2 ,当染料形成分子内盐(甜菜碱样结构)时,n为1。