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    • 5. 发明授权
    • Light-sensitive silver halide photographic material
    • US5238795A
    • 1993-08-24
    • US736245
    • 1991-07-26
    • Iku Metoki
    • Iku Metoki
    • G03C5/17G03C5/26
    • G03C5/17G03C5/26G03C2200/58Y10S430/167
    • A light-sensitive silver halide photographic material is disclosed. The light-sensitive material comprises a support and two photographic layers each being provided on both sides, side A and side B, of the support and comprising a silver halide emulsion layer and a hydrophilic colloid layer wherein the light-sensitive material satisfies the relationship between sensitivities sA, sB and sA' thereof represented by the following expressions I and II, and an organic substance remained in the photographic layers after processing is an amount of not more than 90% by weight of the organic substance contained in the photographic layers before processing of the light-sensitive material;I: sA/sA'>4.0II: sA/sB=1.5 to 20wherein sA is sensitivity to light of the photographic layers provided on the side A of the support, when exposure is carried out only from the side A, and sB and sA' are sensitivities to light the photographic layers provided on the sides B and A of the support, respectively, when exposure is carried out only from the side B. The light-sensitive material is improved in the sensitivity, sharpness, fixing ability and dependency on developing conditions thereof.
    • 7. 发明授权
    • Photographic processing method for processing a silver halide
photographic light-sensitive material
    • 用于处理卤化银照相感光材料的照相处理方法
    • US5766830A
    • 1998-06-16
    • US806647
    • 1997-02-26
    • Akira ShimizuShoji NishioYasunori WadaIku Metoki
    • Akira ShimizuShoji NishioYasunori WadaIku Metoki
    • G03C5/26G03C5/30G03C5/31G03C5/395G03C3/00G03C5/18G03C11/00
    • G03C5/3958G03C5/265G03C5/30G03C5/31G03C5/395
    • A method for processing an exposed black and white silver halide photographic light-sensitive material includes the steps of: (1) developing the exposed light-sensitive material with a developing solution, (2) fixing the developed material with a fixing solution, (3) washing the fixed material with water which is replenished in an amount of from 0 to 3 liter/m.sup.2 of the exposed light-sensitive material, and (4) drying the washed material. The developing solution is replenished with a solid photographic composition. This solid photographic composition includes a developing agent selected from the group of a dihydroxybenzene developing agent represented by Formula I and a developing agent represented by Formula II (provided that the developing agent represented by Formula II may form a sodium salt, a potassium salt or a lithium salt). Formulae I and II are as follows: ##STR1## In the formulae, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents a hydrogen atom, an alkyl group, an aryl group, a carboxyl group, a halogen atom or a sulfo group; R.sub.7 represents a hydrogen atom, an alkyl group, an aryl group, an amino group, an alkoxyl group, a sulfo group, a carboxyl group, an amido group or a sulfonamido group; E.sup.1 represents an oxygen atom or a sulfur atom; and E.sup.2 represents an oxygen atom, a sulfur atom or an NR.sub.8 group, provided that R.sup.8 represents an alkyl group or an aryl group.
    • 一种处理曝光的黑白卤化银照相感光材料的方法包括以下步骤:(1)用显影液显影曝光的感光材料,(2)用定影液固定显影材料,(3 )用暴露的感光材料的0-3升/平方米的量补充的水清洗固定材料,和(4)干燥洗涤的材料。 显影液用固体摄影组合物补充。 该固体摄影组合物包括选自由式I表示的二羟基苯显影剂和由式II表示的显影剂的显影剂(条件是由式II表示的显影剂可形成钠盐,钾盐或 锂盐)。 式I和II如下:式Ⅰ和R4各自表示氢原子,烷基,芳基,羧基,卤素原子或磺基; R7表示氢原子,烷基,芳基,氨基,烷氧基,磺基,羧基,酰胺基或亚磺酰氨基; E1表示氧原子或硫原子; 并且E2表示氧原子,硫原子或NR8基团,条件是R8表示烷基或芳基。