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    • 7. 发明授权
    • Photographic element, compound, and process
    • 摄影元素,复合和过程
    • US06197492B1
    • 2001-03-06
    • US09473933
    • 1999-12-28
    • William J. BegleyFrank D. ComsGary M. Russo
    • William J. BegleyFrank D. ComsGary M. Russo
    • G03C108
    • G03C7/346G03C7/3212
    • Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan “NB coupler” having the formula (I): wherein: the term “NB coupler” represents a coupler of formula (I) that forms a dye for which the left bandwidth (LBW) using spin-coating is at least 5nm less than that of the same dye in solution form; Y is H or a coupling-off group; each Z″ and Z* is an independently selected substituent group where n is 0 to 4 and p is 0 to 2; W2 represents the atoms necessary to complete a heterocyclic ring group; and V is a sulfone or sulfoxide containing group; provided that the combined sum of the aliphatic carbon atoms in V, all Z″ and all Z* is at least 8. The element exhibits improved cyan dye hue.
    • 公开了一种照相元件,其包含具有式(I)的青色“NB成色剂”的感光卤化银乳剂层:其中:术语“NB成色剂”表示形成染料的式(I)的成色剂 使用旋涂的左带宽(LBW)比溶液形式的相同染料小至少5nm; Y是H或偶合离去基团;每个Z'和Z *是独立选择的取代基 其中n为0至4,p为0至2; W2表示完成杂环基团所必需的原子; 并且V是含砜或亚砜的基团;条件是V,所有Z“和全Z *中的脂族碳原子的总和为至少8.该元素表现出改善的青色染料色调。
    • 8. 发明授权
    • Photographic element, compound, and process
    • 摄影元素,复合和过程
    • US06180331B2
    • 2001-01-30
    • US09473519
    • 1999-12-28
    • William J. BegleyFrank D. ComsGary M. Russo
    • William J. BegleyFrank D. ComsGary M. Russo
    • G03C108
    • G03C7/346
    • Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a cyan “NB coupler” having the formula (I): wherein: the term “NB coupler” represents a coupler of formula (I) that forms a dye for which the left bandwidth (LBW) using spin-coating is at least 5 nm less than that of the same dye in solution form; Y is H or a coupling-off group; each Z″ and Z* is an independently selected substituent group where n is 1 to 4 and p is 0 to 2; W2 represents the atoms necessary to complete a carbocyclic ring group; and V is a substituent containing a heterocyclic sulfone or sulfoxide group; provided that the combined sum of the aliphatic carbon atoms in V, all Z″ and all Z* is at least 8. The element exhibits improved cyan dye hue.
    • 公开了一种照相元件,其包含具有式(I)的青色“NB成色剂”的感光卤化银乳剂层:其中:术语“NB成色剂”表示形成染料的式(I)的成色剂 使用旋涂的左带宽(LBW)比溶液形式的相同染料小至少5nm; Y为H或偶合离去基团;各Z'和Z *为独立选择的取代基 基团,其中n为1至4,p为0至2; W2表示完成碳环基团所必需的原子; 并且V是含有杂环砜或亚砜基团的取代基;条件是V,全Z'和全Z *中的脂族碳原子的总和为至少8.该元素表现出改善的青色染料色调。