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    • 6. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5409808A
    • 1995-04-25
    • US17261
    • 1993-02-12
    • Yuki MizukawaHideaki NaruseToshiyuki WatanabeTadahisa Sato
    • Yuki MizukawaHideaki NaruseToshiyuki WatanabeTadahisa Sato
    • G03C7/38
    • G03C7/3835
    • Disclosed is a silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support and containing at least one coupler of formula (I): ##STR1## where R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represent a hydrogen atom, an alkyl group or an aryl group, provided that both R.sub.2 and R.sub.3 are not hydrogen atoms at the same time; R.sub.4 and R.sub.5 each represent an alkyl group; X represents a hydrogen atom or a substituent capable of splitting off by coupling with an oxidation product of a developing agent; Y represents a substituent; n represents 0 or 1; and m represents an integer of from 0 to 3. The material has excellent sensitivity and gradation and has improved storage stability, especially latent image stability.
    • 公开了一种卤化银彩色照相材料,其在载体上具有至少一个感光卤化银乳剂层,并含有至少一种式(I)的成色剂:其中R1表示烷基; R2和R3各自表示氢原子,烷基或芳基,条件是R2和R3不同时为氢原子; R4和R5各自表示烷基; X表示氢原子或能够通过与显影剂的氧化产物偶联而分解的取代基; Y表示取代基; n表示0或1; m表示0〜3的整数。该材料具有优异的灵敏度和灰度,并且具有改善的储存稳定性,特别是潜像稳定性。
    • 7. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5378596A
    • 1995-01-03
    • US982619
    • 1992-11-27
    • Hideaki NaruseMakoto Suzuki
    • Hideaki NaruseMakoto Suzuki
    • G03C7/32G03C7/34G03C7/38
    • G03C7/3225G03C7/34G03C7/3825
    • A silver halide color photographic material comprises a support having provided thereon at least one silver halide emulsion layer containing at least one pyrrolotriazole cyan coupler represented by the following Formula (I) or (II) and at least one phenol or 1-naphtol cyan coupler represented by the following Formulas (III), (IV), (V) and (VI): ##STR1## wherein Za and Zb each represents --C(R.sub.3).dbd. or --N.dbd.; R.sub.1 and R.sub.2 each independently represents an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.3 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a splitting-off group; ##STR2##
    • 卤化银彩色照相材料包括其上提供至少一个含有由下式(I)或(II)表示的至少一种吡咯并三唑青色成色剂的卤化银乳剂层的载体和至少一种苯酚或1-萘酚青色成色剂 (II)其中Za和Zb各自表示-C(R3)=或-N =的式(III),(IV),(V)和(VI) R1和R2各自独立地表示具有Hammett取代基常数σp为0.2以上的吸电子基团,R 1和R 2的σp值之和为0.65以上; R3表示氢原子或取代基; X表示氢原子或分离基团; (三)
    • 8. 发明授权
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • US5352571A
    • 1994-10-04
    • US982578
    • 1992-11-27
    • Makoto SuzukiHideaki NaruseTakehiko Sato
    • Makoto SuzukiHideaki NaruseTakehiko Sato
    • G03C7/38G03C7/30G03C7/396
    • G03C7/301
    • A silver halide color photographic light-sensitive material capable of providing a dye image having improved spectral absorption characteristic as well as high color-forming property and excellent dye image fastness is disclosed. The light-sensitive material comprises at least one silver halide emulsion layer having a cyan color-forming property, wherein the silver halide emulsion layer having the cyan color-forming property contains at least one cyan coupler represented by the following formula (I) or (II) and at least one of a sparingly water-soluble homopolymer and/or copolymer: ##STR1## wherein Za and Zb each represents --C(R.sub.3).dbd. or --N.dbd., provided that one of Za and Zb is --N.dbd. and the other is --C(R.sub.3).dbd.; R.sub.1 and R.sub.2 each are an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.3 represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a group capable of splitting off upon a reaction with an oxidation product of an aromatic primary amine color developing agent.
    • 公开了能够提供具有改进的光谱吸收特性以及高的成色性和优异的染料色牢度的染料影像的卤化银彩色照相感光材料。 感光材料包含至少一种具有青色成色性能的卤化银乳剂层,其中具有青色成色性能的卤化银乳剂层含有至少一种由下式(I)或(I)表示的青色成色剂, II)和至少一种微水溶性均聚物和/或共聚物:其中Za和Zb各自表示-C(R3)=或-N =,条件是一个 的Za和Zb是-N =,另一个是-C(R 3)=; R1和R2各自为具有Hammett取代基常数σp为0.2以上的吸电子基团,R1和R2的Σp值之和为0.65以上; R3表示氢原子或取代基; 并且X表示氢原子或与芳族伯胺显色剂的氧化产物反应时能够分解的基团。