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    • 7. 发明授权
    • Color photographic element containing benzazolium compounds
    • 含有苯并唑鎓化合物的彩色照相元件
    • US5620837A
    • 1997-04-15
    • US579984
    • 1995-12-28
    • Sang H. KimArlyce T. BowneThomas J. Dannhauser
    • Sang H. KimArlyce T. BowneThomas J. Dannhauser
    • G03C7/30G03C7/392G03C1/46
    • G03C7/3003G03C7/3924G03C7/39296
    • This invention provides a color silver halide photographic element comprising a support having situated thereon a red light-sensitive, cyan dye-forming unit comprising a photosensitive silver halide emulsion layer and an image dye-forming coupler; a green light-sensitive, magenta dye-forming unit comprising a photosensitive silver halide emulsion layer and an image dye-forming coupler; and a blue light-sensitive, yellow dye-forming unit comprising a photosensitive silver halide emulsion layer and an image dye-forming coupler; wherein at least one of the dye-forming units comprises two or more emulsion layers spectrally sensitized to the same region of the visible spectrum, but exhibiting different photographic sensitivities, each such emulsion layer containing an image dye-forming coupler wherein at least one, but not all, of the emulsion layers of the dye-forming unit contains the hydrolyzed or unhydrolyzed form of a benzazolium compound represented by formula (I): ##STR1##
    • 本发明提供了一种彩色卤化银照相元件,它包括一个载体,其上设置有一个红光敏感的青色染料形成单元,其中包含感光卤化银乳剂层和成象染料成色剂; 绿色感光品红色染料形成单元,其包含感光卤化银乳剂层和成像染料成色剂; 和蓝色感光黄色染料形成单元,其包含感光卤化银乳剂层和成像染料成色剂; 其中染料形成单元中的至少一个包含对可见光谱的相同区域进行光谱增感但具有不同感光度的两个或更多个乳剂层,每个这样的乳剂层含有成像染料形成成色剂,其中至少一个但是 不是所有的染料形成单元的乳剂层都含有由式(I)表示的苯并唑鎓化合物的水解或未水解形式:
    • 9. 发明授权
    • Photographic element with 2-equivalent magenta dye-forming coupler and
filter dye
    • 具有2当量品红染料成色剂和过滤染料的摄影元件
    • US5298377A
    • 1994-03-29
    • US750970
    • 1991-08-28
    • Arlyce T. Bowne
    • Arlyce T. Bowne
    • G03C7/38G03C1/83G03C7/18G03C7/30G03C1/46
    • G03C7/18G03C1/832G03C7/3029
    • A photographic element is described havinga photographic support;a green sensitive silver halide emulsion layer on the photographic support and having a magenta dye-forming coupler, anda filter layer on the photographic support and associated with the green sensitive layer, wherein the magenta dye-forming coupler is a 2-equivalent magenta dye-forming coupler, and the filter layer includes a filter dye molecule having the formula:D.dbd.CH--M (I)wherein D is a group which, with the remainder of the molecule, forms a dye having an absorption maximum in the blue or green region of the visible spectrum, andM is a five-membered or six-membered unsaturated heterocyclic ring, which may be fused with another five-membered or six-membered ring system, and which is unsubstituted or substituted with a lower alkyl group having from 1 to 10 carbon atoms, or an electron withdrawing group.
    • 描述了一种具有照相支架的照相元件; 在感光载体上具有绿色敏感的卤化银乳剂层,并具有品红色染料形成成色剂,以及在感光载体上并与感光层相关联的过滤层,其中品红色染料形成成色剂是2-等量的品红色染料 并且所述过滤层包括具有下式的过滤染料分子:D = CH-M(I)其中D是与分子的其余部分形成蓝色吸收最大值的染料或 绿色区域,M是五元或六元不饱和杂环,其可以与另外的五元或六元环体系稠合,并且其是未取代的或被具有低级烷基的 1至10个碳原子,或吸电子基团。