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    • 2. 依法登记的发明
    • Method for processing silver halide color photographic material
    • USH809H
    • 1990-08-07
    • US299487
    • 1989-01-23
    • Kazuto AndohTakatoshi IshikawaHiroshi FujimotoMorio Yagihara
    • Kazuto AndohTakatoshi IshikawaHiroshi FujimotoMorio Yagihara
    • G03C7/30G03C7/305G03C7/38G03C7/407G03C7/413
    • G03C7/413G03C7/30529G03C7/3825
    • A method for processing a silver halide color photographic material containing at least one pyrazoloazole magenta coupler represented by general formula (I), which comprises processing the light-sensitive material, after imagewise exposure, with a color developer containing an aromatic primary amine color developing agent and at least one member selected from among hydrazines and hydrazides represented by general formula (II): ##STR1## wherein R.sub.11 represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group capable of being eliminated by a coupling reaction with an oxidation product of an aromatic primary amine developing agent, Za, Zb and Zc each represents a methine group, a substituted methine group, .dbd.N-- or --NH--, provided that one of the Za-Zb bond and the Zb-Zc bond is a double bond and the other is a single bond and, when Zb-Zc is a carbon-to-carbon double bond, it may be a part of an aromatic ring, and a dimer or higher polymer may be formed at R.sub.11 or X, or, when Za, Zb or Zc represents a substituted methine group, a dimer or higher polymer may be formed at the substituted methine group; ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an aryl group or a meterocyclic group, R.sup.4 represents a hydrogen atom, a hydroxy group, a hydrazino group, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, a carbamoyl group or an amino group, X.sup.1 represents a divalent group, and n represents 0 to 1, provided that, when n is 0, R.sup.4 represents an alkyl group, an aryl group or a heterocyclic group, and that R.sup.3 and R.sup.4 may together form a heterocyclic ring.
    • 6. 发明授权
    • Method of processing a silver halide color photographic material and a
color developer where the developer contains a hydrazine compound
    • 处理银盐色彩摄影材料的方法和开发商含有液体组合物的颜色开发者
    • US5064751A
    • 1991-11-12
    • US644863
    • 1991-01-23
    • Nobutaka OhkiKazuto AndohHideaki NaruseHiroshi FujimotoJiro TsukaharaMorio YagiharaTakatoshi Ishikawa
    • Nobutaka OhkiKazuto AndohHideaki NaruseHiroshi FujimotoJiro TsukaharaMorio YagiharaTakatoshi Ishikawa
    • G03C7/413
    • G03C7/413
    • A method for processing a silver halide color photographic material including the step of developing the silver halide color photographic material with a color developing solution containing at least one aromatic primary amine developing agent and at least one hydrazide represented by the following formula (I) or (II)R.sup.1 --X.sup.1 --NHNH--R.sup.2 (I)in whichX.sup.1 represents --CO--, --SO.sub.2 -- or ##STR1## R.sup.1 represents a hydroxyl group, a hydroxyamino group, carbamoyl group, a hydrazinocarbonyl group, an amino group, or a hydrazino group; and R.sup.2 represents a hydrogen atom, an alkyl group, or an aryl group; provided that the R.sup.1 or R.sup.2 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide.R.sup.3 --X.sup.2 --NHNH--R.sup.4 (II)in whichX.sup.2 represents --CO-- or --SO.sub.2 --; R.sup.3 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, or an aryloxy group; and R.sup.4 represents a hydrogen atom, an alkyl group or an aryl group; provided that the R.sup.3 or R.sup.4 groups of at least two of the hydrazide groups may be linked to form a dimer or higher polymer of the hydrazide. The method provides increased developer stability and reduced fog formation, particularly in continuous processing.
    • 一种用于处理卤化银彩色照相材料的方法,包括用含有至少一种芳族伯胺显影剂和至少一种由下式(I)或(I)表示的酰肼的显色溶液显影卤化银彩色照相材料的步骤, II)其中X 1表示-CO - , - SO 2 - 或R 1表示的R 1 -X 1 -NHNH-R 2(I)表示羟基,羟基氨基,氨基甲酰基,肼基羰基,氨基或 肼基; R2表示氢原子,烷基或芳基; 条件是可以将至少两个酰肼基团的R1或R2基团连接以形成酰肼的二聚体或更高级的聚合物。 R3-X2-NHNH-R4(Ⅱ),其中X2代表-CO-或-SO2-; R3表示氢原子,烷基,芳基,杂环基,烷氧基或芳氧基; R4代表氢原子,烷基或芳基; 条件是可以连接至少两个酰肼基团的R3或R4基团以形成酰肼的二聚体或更高级聚合物。 该方法提供增加的显影剂稳定性和减少的雾形成,特别是在连续加工中。