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    • 3. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5449598A
    • 1995-09-12
    • US43730
    • 1993-04-06
    • Naoki SaitoSeiji IchijimaMasuji MotokiTakayoshi KamioKeiji Mihayashi
    • Naoki SaitoSeiji IchijimaMasuji MotokiTakayoshi KamioKeiji Mihayashi
    • G03C7/36G03C7/305G03C7/32
    • G03C7/30535G03C7/3212
    • A silver halide color photographic material is disclosed, which comprises a support having provided thereon at least one hydrophilic colloidal layer, wherein the hydrophilic colloidal layer contains a novel coupler compound having a high dye forming rate and a high color density represented by general formula (I):(R.sup.1 COCHXCONR.sup.2 R.sup.3)--(CONHSO.sub.2 R.sup.4).sub.n(I)wherein R.sup.1 represents an alkyl group, an aryl group, a heterocyclic group, --NR.sup.5 R.sup.6 or --OR.sup.7 ; R.sup.2 and R.sup.3 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.4 represents an alkyl group, aryl group, heterocyclic group or --NR.sup.8 R.sup.9 ; R.sup.5, R.sup.6, R.sup.8 and R.sup.9 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R.sup.7 represents an alkyl group, an aryl group or a heterocyclic group; X represents a group capable of being released as an anion (X.sup.-) when the coupler compound reacts with an oxidation product of an aromatic primary amine developing agent; and n represents an integer of 1 or more, with the proviso that R.sup.1 and R.sup.4, R.sup.2 and R.sup.4, R.sup.3 and R.sup.4, R.sup.2 and R.sup.3, R.sup.5 and R.sup.6, or R.sup.8 and R.sup.9 may be connected to each other to form a ring. The silver halide color photographic material using the novel coupler compound provides a higher sharpness and a higher sensitivity.
    • 公开了一种卤化银彩色照相材料,其包括其上提供有至少一个亲水性胶体层的载体,其中亲水性胶体层含有由通式(I)表示的高染料形成速率和高色密度的新型成色剂化合物 ):(R1COCHXCONR2R3) - (CONHSO2R4)n(I)其中R1表示烷基,芳基,杂环基,-NR5R6或-OR7; R2和R3各自独立地表示氢原子,烷基,芳基或杂环基; R 4表示烷基,芳基,杂环基或-NR 8 R 9; R5,R6,R8和R9各自独立地表示氢原子,烷基,芳基或杂环基; R 7表示烷基,芳基或杂环基; X表示当成色剂化合物与芳族伯胺显影剂的氧化产物反应时能够作为阴离子(X-)释放的基团; 并且n表示1或更大的整数,条件是R 1和R 4,R 2和R 4,R 3和R 4,R 2和R 3,R 5和R 6或R 8和R 9可彼此连接形成环。 使用新型耦合剂化合物的卤化银彩色照相材料提供更高的清晰度和更高的灵敏度。
    • 10. 发明授权
    • Silver halide photographic light-sensitive material
    • 卤化银照相感光材料
    • US5302503A
    • 1994-04-12
    • US836505
    • 1992-02-18
    • Naoki SaitoKeiji MihayashiTakayoshi Kamio
    • Naoki SaitoKeiji MihayashiTakayoshi Kamio
    • E04C3/34G03C7/32G03C7/34G03C7/36G03C7/38G03C7/384
    • G03C7/3212
    • A silver halide color photographic light-sensitive material includes a support and at least one hydrophilic colloid layer formed on the support. The hydrophilic layer contains a coupler compound which is represented by formula (I) below and has a high dye formation rate and a high color forming density. This silver halide color photographic light-sensitive material can achieve an improved sharpness and a high sensitivity:A--(SO.sub.2 NHCONR.sup.1 R.sup.2).sub.n Formula (I)(wherein A represents a coupler moiety, each of R.sup.1 and R.sup.2 independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group, and n represents an integer of 1 or more, if n being an integer of 2 or more, respective R.sup.1 's and R.sup.2 's being able to be the same or different, and A and R.sup.1, A and R.sup.2, or R.sup.1 and R.sup.2 being able to combine to form a ring.)
    • 卤化银彩色照相感光材料包括载体和形成在载体上的至少一个亲水胶体层。 亲水层包含由下式(I)表示的成色剂化合物,并且具有高染料形成速率和高成色密度。 该卤化银彩色摄影感光材料可以获得改善的清晰度和高灵敏度:A-(SO 2 NHCO R R 2)n型(I)(其中A表示成色剂部分,R 1和R 2各自独立地表示氢原子,烷基 ,烯基,炔基,芳基或杂环基,n表示1以上的整数,n为2以上的整数时,R 1及R 2可以相同或不同, ,和A和R1,A和R2,或R1和R2能够结合形成环。