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    • 2. 发明授权
    • Silver halide color photographic materials
    • 卤化银彩色照相材料
    • US4732845A
    • 1988-03-22
    • US889972
    • 1986-07-28
    • Mihayashi KeijiNobutaka Ohki
    • Mihayashi KeijiNobutaka Ohki
    • G03C7/26C07C67/00C07C231/00C07C233/24C07C235/56C07C301/00C07C309/51C07C311/00G03C7/392G03C1/33
    • G03C7/39216
    • A silver halide color photographic material having low color stain and color fog, which contains at least one substantially colorless compound selected from the group consisting of compounds represented by formula (I) ##STR1## and alkaline unstable precursors thereof, bis, tris and tetrakis compounds derived from the compound, and polymers derived from the compound; wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl, acylamino, alkoxy, aryloxy, alkylthio, arylthio, sulfonyl, carbamoyl, or sulfamoyl group; or R.sup.1 and R.sup.2 together form a carbocyclic ring; R.sup.3 represents a hydrogen atom or an alkyl group; and R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 each represents a hydrogen atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, or a substituted or unsubstituted alkyl, acylamino, sulfonamido, alkoxy, aryloxy, alkylthio, arylthio, amino, acyl, acyloxy, carbamoyl, carbamoylamino, carbamoyloxy, sulfamoyl, sulfamoylamino, alkoxycarbonyl, aryloxycarbonyl, alkoxycarbonylamino, aryloxycarbonylamino, akloxycarbonyloxy, aryloxycarbonyloxy, heterocyclic ring, alkoxysulfonyl or aryloxysulfonyl group; or two adjacent groups together form a carbocyclic ring or a heterocyclic ring; the sum of the carbon atom number of R.sup.1 to R.sup.8 is at least 8; and the compound of formula (I) is substantially insoluble in water and does not form a color image by coupling reaction with an oxidized product of a developing agent.
    • 一种具有低颜色染色和着色雾的卤化银彩色照相材料,其含有至少一种基本上无色的化合物,其选自由式(I)表示的化合物及其碱性不稳定的前体,双,三 和衍生自化合物的四元化合物,以及衍生自化合物的聚合物; 其中R1和R2各自表示氢原子,卤素原子,取代或未取代的烷基,酰氨基,烷氧基,芳氧基,烷硫基,芳硫基,磺酰基,氨基甲酰基或氨磺酰基; 或者R1和R2一起形成碳环; R3表示氢原子或烷基; R 4,R 5,R 6,R 7和R 8各自表示氢原子,卤素原子,羟基,氰基,硝基或取代或未取代的烷基,酰氨基,亚磺酰氨基,烷氧基,芳氧基,烷硫基, 芳硫基,氨基,酰基,酰氧基,氨基甲酰基,氨基甲酰基氨基,氨基甲酰氧基,氨磺酰基,氨磺酰氨基,烷氧基羰基,芳氧基羰基,烷氧基羰基氨基,芳氧基羰基氨基,烷氧基羰基氧基,芳氧基羰氧基,杂环,烷氧基磺酰基或芳氧基磺酰基。 或两个相邻的基团一起形成碳环或杂环; R1至R8的碳原子数之和至少为8; 并且式(I)化合物基本上不溶于水,并且通过与显影剂的氧化产物偶联反应而不形成彩色图像。