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    • 2. 发明授权
    • ARYLIDENE SENSITIZING DYES FOR TABULAR GRAINS
    • 表面活性剂用亚芳基增感染料
    • EP0614542B1
    • 2000-01-19
    • EP93900707.6
    • 1992-11-25
    • Sterling Diagnostic Imaging, Inc.
    • FABRICIUS, Dietrich, Max
    • G03C5/17G03C1/12
    • G21K4/00C09K11/7701C09K11/7767G03C1/0051G03C1/12G03C5/17G03C2005/166G03C2200/11G21K2004/06Y10S430/167
    • A photographic element is described with improved speed in the blue and ultra-violet region of the electromagnetic spectrum. The spectral response of the photographic element is enhanced with at least one dye represented by formula (I), wherein A1 and A2 are hydrogen or taken together represent X-CH=, wherein X is hydrogen, alkyl or substituted alkyl, substituted or unsubstituted five-member heterocyclic ring, substituted or unsubstituted six-member heterocyclic ring, aryl or an aryl substituted by at least one element chosen from the group consisting of alkyl, halogen, aryl, carbonyl, alkoxy, sulfonate, carboxy or trifluoroalkyl; Y is alkyl, aryl or COR wherein R is OH, NR?2 or OM+¿, wherein R2 is hydrogen, alkyl, substituted alkyl, aryl or substituted aryl; wherein M?+ is HNR3¿3+ or a metal cation, wherein R3 is hydrogen, alkyl or substituted alkyl, aryl or substituted aryl; Z is hydrogen, alkyl, substituted alkyl, aryl or substituted aryl.
    • 在电磁光谱的蓝色和紫外区域中以改进的速度描述照相元件。 用至少一种由式(I)表示的染料增强照相元件的光谱响应,其中A 1和A 2是氢或者合在一起表示X-CH =,其中X是氢,烷基或取代的烷基,取代或未取代的五 - 成员杂环,取代或未取代的六元杂环,芳基或被选自烷基,卤素,芳基,羰基,烷氧基,磺酸酯,羧基或三氟烷基的至少一种元素取代的芳基; Y是烷基,芳基或COR,其中R是OH,NR2 2或OM +,其中R2是氢,烷基,取代的烷基,芳基或取代的芳基; 其中M +是HNR3 +或金属阳离子,其中R3是氢,烷基或取代的烷基,芳基或取代的芳基; Z是氢,烷基,取代的烷基,芳基或取代的芳基。