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    • 53. 发明授权
    • Silver halide color photographic material and image-forming method
    • 卤化银彩色照相材料和成像方法
    • US06238856B1
    • 2001-05-29
    • US09566003
    • 2000-05-05
    • Osamu UchidaYasuhiro IshiwataTaiji Katsumata
    • Osamu UchidaYasuhiro IshiwataTaiji Katsumata
    • G03C142
    • G03C8/408G03C1/061G03C1/42G03C7/32G03C7/413G03C8/404G03C2200/21
    • A silver halide color photographic material comprising a support having provided thereon at least one hydrophilic colloidal layer containing at least one color-developing agent represented by general formula (1) and at least one coupler represented by general formula (2): wherein C&agr; represents a carbon atom, Z represents a carbamoyl group, an acyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, and Q represents an atomic group forming an unsaturated ring together with C&agr;. wherein C&bgr; represents a carbon atom, EWG represents a cyano group, a carbamoyl group or an alkoxycarbonyl group, LG represents a group which is released by a coupling reaction with an oxidation product of a developing agent, and M represents an atomic group forming a 5-membered aromatic heterocycle together with C&bgr;.
    • 一种卤化银彩色照相材料,其包括在其上提供至少一个包含至少一种由通式(1)表示的显色剂和至少一种由通式(2)表示的偶联剂的亲水性胶体层的载体:其中Calpha表示 碳原子,Z表示氨基甲酰基,酰基,烷氧基羰基或芳氧基羰基,Q表示与Calpha一起形成不饱和环的原子团。其中Cbeta表示碳原子,EWG表示氰基,氨基甲酰基 基团或烷氧基羰基,LG表示通过与显影剂的氧化产物的偶联反应而释放的基团,M表示与C beta一起形成5元芳族杂环的原子团。
    • 54. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US5948607A
    • 1999-09-07
    • US932963
    • 1997-09-18
    • Osamu UchidaKozo SatoToshio KawagishiAkira Ikeda
    • Osamu UchidaKozo SatoToshio KawagishiAkira Ikeda
    • G03C7/00G03C1/00G03C7/305G03C7/32G03C7/36
    • G03C7/32G03C7/305
    • A silver halide color photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide color photographic light-sensitive material contains at least one dye forming coupler represented by the following formula (I): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group or a substituted or unsubstituted amino group; X.dbd.Y represents C.dbd.O, C.dbd.NR.sub.2, P.dbd.O or S.dbd.O; R.sub.2 represents an aliphatic group or an aromatic group; Z represents a group capable of being released upon a reaction with the oxidation product of a developing agent; m and n each represents an integer of 1 or 2; R.sub.1 and R.sub.2, R.sub.1 and Z or R.sub.2 and Z may be combined with each other to form a ring; and when m is 2, two R.sub.1 's may be the same or different, or may be combined with each other to form a ring.The dye forming coupler represented by the formula (I) provides a yellow dye having excellent hue, a large molecular extinction coefficient and storage stability, and the silver halide color photographic light-sensitive material containing the yellow dye forming coupler is excellent in color reproducibility, sharpness and color image fastness.
    • 一种卤化银彩色照相感光材料,其包含在其上提供有至少一个卤化银乳剂层的载体,其中所述卤化银彩色照相感光材料含有由下式(I)表示的至少一种成色剂:其中 R 1表示取代或未取代的脂族基,取代或未取代的芳基,取代或未取代的杂环基,取代或未取代的烷氧基,取代或未取代的芳氧基,取代或未取代的烷硫基,取代或未取代的芳硫基 或取代或未取代的氨基; X = Y表示C = O,C = NR 2,P = O或S = O; R2表示脂族基团或芳香族基团; Z表示能够与显影剂的氧化物反应而释放的基团; m和n各自表示1或2的整数; R1和R2,R1和Z或R2和Z可以相互结合形成环; 当m为2时,两个R 1可以相同或不同,或者可以相互结合形成环。 由式(I)表示的染料形成成色剂提供具有优异色调,大分子消光系数和储存稳定性的黄色染料,含有黄色染料形成成色剂的卤化银彩色照相感光材料具有优异的色彩再现性, 清晰度和彩色图像坚牢度。