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    • 3. 发明授权
    • Photographic material with solvent having dielectric constant of 6 or
less and yellow coupler
    • 介电常数为6以下的溶剂的摄影材料和黄色成色剂
    • US4954432A
    • 1990-09-04
    • US291750
    • 1988-12-29
    • Toyoki Nishijima
    • Toyoki Nishijima
    • G03C7/36G03C1/06G03C7/305G03C7/388
    • G03C7/3885G03C7/30535
    • A silver halide light-sensitive photographic material comprising a support and provided thereon at least one silver halide emulsion layer containing a yellow dye-foming coupler having a formula [A] below and a high boiling organic solvent having a dielectric constant of not more than 6.0; ##STR1## wherein R.sub.1 represents a halogen atom or an alkoxy group having 1 to 4 carbon atoms; R.sub.2 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; R.sub.3 and R.sub.4 independently represent an alkyl group which is capable of making said coupler non-diffusible in the photographic material; X.sub.1 represents a tertiary butyl group or a p-alkoxy phenyl group; X.sub.2 represents a hydrogen atom or a group which is capable of being split off during color development; and X.sub.3 represents a linking group.
    • 一种卤化银感光性感光材料,其包含载体并且在其上提供至少一个含有下述式[A]的黄色染料偶合剂的卤化银乳剂层和介电常数不超过6.0的高沸点有机溶剂 ; 其中R 1表示卤素原子或碳原子数1〜4的烷氧基。 R2表示氢原子,卤素原子,烷基或烷氧基; R3和R4独立地表示能使所述成色剂在照相材料中不扩散的烷基; X1表示叔丁基或对烷氧基苯基; X2表示氢原子或能够在显色时分裂的基团; X3表示连接基团。
    • 6. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US4623616A
    • 1986-11-18
    • US716352
    • 1985-03-26
    • Shun TakadaTakashi KadowakiMasao SasakiToyoki NishijimaKaoru Onodera
    • Shun TakadaTakashi KadowakiMasao SasakiToyoki NishijimaKaoru Onodera
    • G03C1/30G03C7/34G03C1/40
    • G03C1/305G03C7/346
    • A silver halide photographic light-sensitive material comprising a support bearing thereon a silver halide emulsion layer containing a diffusionproof coupler and being hardened with a hardening agent represented by Formula [II] and/or Formula [III] indicated below is enabled to acquire improved film properties and enjoy increased freedom from repression of latent image by using, as the diffusionproof coupler, a compound represented by Formula [I] indicated below: Formula [I] ##STR1## wherein R.sub.1 denotes a straight or branched alkyl group having 2 to 4 carbon atoms; R.sub.2 a ballast group; and X a hydrogen atom or a group capable of splitting off through reaction with the oxidation product of an aromatic primary amine type color developing agent. ##STR2## wherein R.sub.3 denotes a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group, an amino group, an acylamino group, or a --OM group in which M denotes a monovalent metal atom; R.sub.4 has the same meaning as R.sub.3 except for the omission of the chlorine atom; R.sub.5 and R.sub.6 independently denote a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group, or a --OM group in which M denotes a monovalent metal atom; Q and Q' independently denote a linking group --O--, --S--, or --NH--; L denotes an alkylene group or an arylene group; and p and q independently denote 0 or 1.
    • 含有载体的卤化银摄影感光材料能够获得改进的膜,其中含有防扩散性耦合剂的卤化银乳剂层并用由下式表示的式[II]和/或式[III]表示的硬化剂硬化的载体 通过使用由下式表示的式[I]表示的化合物作为扩散性成色剂,可以获得增强的潜像压制自由度:式[I]其中R 1表示直链或支链烷基,其具有 2至4个碳原子; R2一个镇流器组; X为氢原子或能够通过与芳族伯胺型彩色显影剂的氧化产物反应分解的基团。 式[II]其中R 3表示氯原子,羟基,烷基,烷氧基,氨基,酰氨基或-OM基,其中M表示 一价金属原子; R4除了氯原子外,与R3相同; R5和R6独立地表示其中M表示一价金属原子的氯原子,羟基,烷基,烷氧基或-OM基团; Q和Q'独立地表示连接基团-O - , - S - 或-NH-; L表示亚烷基或亚芳基; p和q独立地表示0或1。
    • 10. 发明授权
    • Dye image forming method
    • 染料成像方法
    • US5039597A
    • 1991-08-13
    • US567696
    • 1990-08-13
    • Toyoki Nishijima
    • Toyoki Nishijima
    • G03C7/42G03C7/30G03C7/38
    • G03C7/3022
    • A method of forming a dye image suitable for a rapid process is disclosed. The method comprises the steps of,(i) imagewise exposing a light-sensitive silver halide photographic material comprising a support and provided thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer, wherein said green-sensitive silver halide emulsion layer contains silver halide grains of which silver chloride content is not less than 90 mol %, and a magenta dye-forming coupler having a pKa value of not more than 8.80; and wherein the total amount of silver halide contained in said blue-sensitive, green-sensitive and red-sensitive layers being not more than 7.8 mg/dm.sup.2 in terms of silver;(ii) color developing said photographic material; and immediately after the color development,(iii) processing said photographic material with a solution having a bleaching capability and having a pH value of from 4.5 to 6.5