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    • 2. 发明授权
    • Silver halide photographic materials
    • 卤化银照相材料
    • US5601964A
    • 1997-02-11
    • US219404
    • 1994-03-28
    • Morio YagiharaHisashi Okada
    • Morio YagiharaHisashi Okada
    • G03C1/06G03C1/485
    • G03C1/061
    • A silver halide photographic material is disclosed, which comprises a support and at least one light-sensitive silver halide emulsion layer formed thereon, said emulsion layer containing at least one nucleating agent represented by formula (I) ##STR1## wherein A.sub.1 and A.sub.2 both represent a hydrogen atom, or one of A.sub.1 and A.sub.2 represents a hydrogen atom and the other represents a sulfinic acid residue or an acyl group; R.sub.1 represents an aliphatic group, an aromatic group, or a heterocyclic group; R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or an amino group; G represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an iminomethylene group; and Y represents a phenylene group or a naphthylene group; the sum of the total carbon atoms of said R.sub.1, R.sub.2, and Y being at least 13. The nucleating agent provides very high contrast images when used in a negative working silver halide emulsion.
    • 公开了一种卤化银照相材料,其包括载体和形成在其上的至少一种感光卤化银乳剂层,所述乳剂层含有至少一种由式(I)表示的成核剂,其中A1和 A2均表示氢原子,或者A1和A2中的一个表示氢原子,另一个表示亚磺酸残基或酰基; R1表示脂肪族基团,芳香族基团或杂环基团; R2表示氢原子,烷基,芳基,烷氧基,芳氧基或氨基; G表示羰基,磺酰基,亚砜氧基,磷酰基或亚氨基亚甲基; Y表示亚苯基或亚萘基; 所述R1,R2和Y的总碳原子总数为至少13.当在负性卤化银乳剂中使用时,成核剂提供非常高的对比度图像。
    • 3. 发明授权
    • Silver halide photographic materials
    • US4977062A
    • 1990-12-11
    • US178391
    • 1988-04-06
    • Morio YagiharaHisashi OkadaKazunobu KatohNobuaki Inoue
    • Morio YagiharaHisashi OkadaKazunobu KatohNobuaki Inoue
    • G03C1/06
    • G03C1/061
    • An ultra-high contrast negative type silver halide photographic material comprising:(1) at least one silver halide emulsion layer on a support;(2) at least one compound selected from among hydrazine derivatives which can be represented by formula (I) below, which is included in said emulsion layer or in another hydrophilic colloid layer, ##STR1## wherein A.sub.1 and A.sub.2 both represent hydrogen atoms or one represents a hydrogen atom and the other represents a sulfinic acid residual group or an acyl group, R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group, R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or an amino group, G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group or an N-substituted or unsubstituted iminomethylene group, and at least one of R.sub.1 and R.sub.2 has a group which promotes adsorption on silver halide; and(3) at least one compound selected from among the hydrazine derivatives which can be represented by the formula (II) below, which is included in the said emulsion layer or in another hydrophilic colloid layer, ##STR2## wherein A.sub.3 and A.sub.4 both represent hydrogen atoms or one represents a hydrogen atom and the other represents a sulfinic acid residual group or an acyl group, R.sub.3 represents an aliphatic group, an aromatic group or a heterocyclic group, R.sub.4 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group or an amino group, G.sub.2 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an iminomethylene group, and the total number of carbon atoms in R.sub.3 and R.sub.4 is at least 13.
    • 5. 发明授权
    • Method for forming a high contrast negative image
    • 形成高对比度负像的方法
    • US4965169A
    • 1990-10-23
    • US268126
    • 1988-11-07
    • Mitsunori HiranoMasato HiranoMorio YagiharaHisashi Okada
    • Mitsunori HiranoMasato HiranoMorio YagiharaHisashi Okada
    • G03C1/33G03C1/06G03C5/305
    • G03C5/305
    • A method for forming a high contrast negative image comprising the steps of:(a) imagewise exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, said emulsion layer or other hydrophilic colloid layer containing at least one hydrazine derivative; and(b) developing said exposed silver halide photographic material in an developer solution containing:(1) a dihydroxybenzene developing agent;(2) at least one auxiliary developing agent selected from a 1-phenyl-3-pyrazolidone auxiliary developing agent and a p-aminophenol auxiliary developing agent;(3) at least 0.3 mol per liter of a sulfite; and(4) at least one compound represented by formula (I): ##STR1## wherein Y represents a group capable of adsorbing to silver halide; A represents a divalent linking group; B represents an amino group, an ammonium group or a nitrogen containing heterocyclic group; m is 1, 2 or 3; and n is 0 or 1; to form a high contrast negative image.
    • 一种用于形成高对比度负影像的方法,包括以下步骤:(a)将含有至少一个感光卤化银乳剂层的支持体的卤化银照相材料成像曝光,所述乳剂层或其它亲水胶体层含有 至少一种肼衍生物; 和(b)在显影剂溶液中显影所述曝光的卤化银照相材料,所述显影剂溶液含有:(1)二羟基苯显影剂; (2)至少一种辅助显影剂,其选自1-苯基-3-吡唑烷酮辅助显影剂和对氨基苯酚辅助显影剂; (3)至少0.3摩尔/升亚硫酸盐; 和(4)至少一种由式(I)表示的化合物:其中Y表示可以吸附到卤化银上的基团; A表示二价连接基团; B表示氨基,铵基或含氮杂环基; m为1,2或3; 并且n为0或1; 以形成高对比度负像。
    • 6. 发明授权
    • Reducer and reduction method for silver images
    • 银图像的还原和还原方法
    • US5447821A
    • 1995-09-05
    • US368731
    • 1995-01-04
    • Hisashi OkadaMorio YagiharaKatsumi Hayashi
    • Hisashi OkadaMorio YagiharaKatsumi Hayashi
    • C09K3/00G03C5/29G03C5/42G03C5/44
    • G03C5/42G03C5/44
    • A reducer containing a ferric chelate compound of an amino compound and further containing an reduction accelerator and/or a complex-forming agent and a dye. ##STR1## wherein A.sub.41, A.sub.42 and A.sub.43 each individually represents a carboxyl group, a phosphono group, a sulfo group or a hydroxyl group; L.sub.41 and L.sub.42 each individually represents a divalent coupling group containing an aliphatic group, an aromatic group, a heterocyclic group or combinations thereof; R.sub.41 represents a substituent; and a represents 0, 1, 2, 3 or 4. The reducer is superior in the rate of reduction, reducibility and reduction working properties and so stable that no precipitate will separate out with time. Also disclosed is a silver image reducing method wherein a silver image formed by exposing and developing a silver halide photosensitive material is reduced in the presence of the above-described reducer. The reducer and the reducing method are suitable for application to high-contrast photosensitive materials.
    • 含有氨基化合物的铁螯合物并还含有还原促进剂和/或络合物形成剂和染料的还原剂。 其中A41,A42和A43各自独立地表示羧基,膦酰基,磺基或羟基; L41和L42各自独立地表示含有脂族基团,芳族基团,杂环基团或其组合的二价偶联基团; R41表示取代基; a代表0,1,2,3或4.还原剂在还原性,还原性和还原性能方面优异,稳定性好,不会随时间分离析出物。 还公开了一种银图像还原方法,其中在上述还原剂的存在下,通过曝光和显影卤化银感光材料形成的银图像被还原。 还原剂和还原方法适用于高对比度感光材料。
    • 7. 发明授权
    • Method for processing silver halide color photographic material using
composition having a bleaching ability
    • 使用具有漂白能力的组合物处理卤化银彩色照相材料的方法
    • US5352567A
    • 1994-10-04
    • US948318
    • 1992-09-22
    • Hisashi OkadaTadashi InabaMorio Yagihara
    • Hisashi OkadaTadashi InabaMorio Yagihara
    • G03C7/42
    • G03C7/42
    • A novel method for processing a silver halide color photographic material which comprises color developing an imagewise exposed silver halide color photographic material and then processing the material with a having a bleaching ability containing at least one bleaching agent a ferric complex of a compound represented by at least one of formula (I) and formula (II): ##STR1## wherein W.sup.1 represents an alkylene group containing 3 or less carbon atoms in total; L.sup.1, L.sup.2, L.sup.3 and L.sup.4 each represents an alkylene or arylene group; and M.sub.1 to M.sub.6 each represents a hydrogen atom or a cation; ##STR2## wherein W.sup.2 represents an alkylene group having 2 to 8 carbon atoms, an arylene group having 6 to 10 carbon atoms, cyclohexane group, ##STR3## (in which W.sup.21 and W.sup.22 each represents an alkylene group, and m represents an integer of 1 to 3, and A represents a hydrogen atom, hydrocarbon group, --L.sub.A --COOM, --L.sub.A --PO.sub.3 M.sub.2, --L.sub.A --OH or --L.sub.A --SO.sub.3 M (L.sub.A represents an alkylene group having 1 to 8 carbon atoms or an arylene group having 6 to 10 carbon atoms, and M represents a hydrogen atom or a cation such as an alkali metal or ammonium)), or a combination of theseof; L.sup.5, L.sup.6, L.sup.7 and L.sup.8 each represents an alkylene group; and M.sub.7, M.sub.8, M.sub.9, M.sub.10 and M.sub.11 each represents a hydrogen atom or a cation.
    • 一种用于处理卤化银彩色照相材料的新颖方法,其包括彩色显影成像曝光的卤化银彩色照相材料,然后用含有至少一种漂白剂的漂白能力处理该材料,该化合物至少表示化合物 式(I)和式(II)之一:其中W1表示总共含有3个或更少碳原子的亚烷基; L1,L2,L3和L4各自表示亚烷基或亚芳基; M1〜M6各自表示氢原子或阳离子; 其中,W 2表示碳原子数2〜8的亚烷基,碳原子数6〜10的亚芳基,环己烷基,(其中W 21和W 22各自表示亚烷基,m表示 1〜3的整数,A表示氢原子,烃基,-LA-COOM,-LA-PO3M2,-LA-OH或-LA-SO3M(LA表示碳原子数1〜8的亚烷基或 具有6〜10个碳原子的亚芳基,M表示氢原子或阳离子如碱金属或铵))或它们的组合; L5,L6,L7和L8各自表示亚烷基; M7,M8,M9,M10和M11各自表示氢原子或阳离子。
    • 9. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5204213A
    • 1993-04-20
    • US655574
    • 1991-02-13
    • Hisashi OkadaMorio Yagihara
    • Hisashi OkadaMorio Yagihara
    • G03C7/305
    • G03C7/30511Y10S430/156Y10S430/158Y10S430/16
    • A silver halide photographic material comprising at least one silver halide emulsion layer on a support, characterized in that there is contained a compound represented by the general formula ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, aliphatic group, aromatic group or heterocyclic group, with the proviso that R.sup.1 and R.sup.2 may be connected to each other to form a ring; L represents a divalent linking group; V represents a carbonyl group, ##STR2## group, sulfonyl group, sulfoxy group, ##STR3## group (in which R.sub.0 represents an alkoxy group or aryloxy group), iminomethylene group or thiocarbonyl group; Time represents a divalent linking group; m represents an integer 0 or 1; n represents an integer 0 or 1; PUG represents a photographically useful group; and X represents an atomic group required to form a 5- or 6-membered ring with ##STR4## wherein R.sup.1, R.sup.2, V, m, n and Time are defined above; L' represents a divalent linking group; and X represents an atomic group required to form a 5- or 6-membered ring with ##STR5## and PUG represents photographically useful groups set forth in the specification.
    • 一种卤化银照相材料,其在支持体上含有至少一个卤化银乳剂层,其特征在于含有通式(I)表示的化合物,其中R 1和R 2各自表示氢原子,脂族基团,芳香族 基团或杂环基,条件是R 1和R 2可以彼此连接形成环; L表示二价连接基团; V表示羰基,IMA组,磺酰基,磺酰氧基,基(其中R 0表示烷氧基或芳氧基),亚氨基亚甲基或硫代羰基; 时间表示二价连接基团; m表示整数0或1; n表示0或1的整数; PUG代表一个摄影有用的组; 并且X表示与上述定义的R 1,R 2,V,m,n和时间如上定义的形成5-或6-元环所需的原子团。 L'表示二价连接基团; 并且X表示与形成5-或6-元环所需的原子团,PUG表示说明书中阐述的照相用途基团。
    • 10. 发明授权
    • Sulfonamide derivative
    • 磺胺衍生物
    • US5191117A
    • 1993-03-02
    • US812938
    • 1991-12-24
    • Hisashi OkadaMorio Yagihara
    • Hisashi OkadaMorio Yagihara
    • C07C311/05C09K3/00
    • C07C311/05C07C2101/14
    • The sulfonamide derivative according to the present invention is expressed by a general formula: ##STR1## (where R represents an alkyl group. --X represents --L.sub.12 --COOM or ##STR2## and Y-- represents R--SO.sub.2 NH--L.sub.11 -- or MOOC--L.sub.12 --. Each of L.sub.11 and L.sub.12 represents an alkylene group. Z is identical to Y, and M represents a hydrogen atom or a cation. However, X and Y cannot be --L.sub.12 --COOM at the same time. W represents an alkylene group or a cycloalkylene group having 2 or more carbon atoms.)This compound is useful as a metallic ion shielding agent and is suitable, for example, for the applications such as photographic processing solution, chelate titration or analytical reagent for medical treatment or for medical drugs as a metallic ion shielding agent.
    • 根据本发明的磺酰胺衍生物由以下通式表示:其中R表示烷基,-X表示-R12-COOM或Y表示R-SO2NH-L11-或MOOC- L12-,L11和L12各自表示亚烷基,Z与Y相同,M表示氢原子或阳离子,但X,Y不能同时为-L12-COOM,W表示亚烷基 或具有2个以上碳原子的亚环烷基。)该化合物可用作金属离子屏蔽剂,并且适用于例如照相处理溶液,螯合滴定或用于医疗药物的分析试剂 作为金属离子屏蔽剂。