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    • 30. 发明授权
    • Color photographic recording material
    • 彩色摄影材料
    • US5942382A
    • 1999-08-24
    • US89891
    • 1998-06-04
    • Klaus SinzgerStefan HerrmannMichael Missfeldt
    • Klaus SinzgerStefan HerrmannMichael Missfeldt
    • G03C7/392C09B23/04G03C1/16
    • C09B23/04G03C1/16
    • A color photographic recording material contains at least one photosensitive silver halide emulsion layer which is spectrally sensitized with a monomethine cyanine dye of the formula I in which:R.sup.1 denotes a benzothiophene radical which is coupled by way of the 2-, 3-, 4-, 5-, 6- or 7-position thereof to the benzo ring of the benzothiazole group,R.sup.2 and R.sup.3 (the same or different) denote sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.n --SO .sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.n --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.n --CO--NH--SO.sub.2 -alkyl or --(CH.sub.2).sub.n --CO--NH--CO-alkyl (n=1-6);R.sup.4 to R.sup.6 (the same or different) denote hydrogen, halogen, --CN, --CF.sub.3, alkyl, alkoxy, aryl or a heterocyclic group;orR.sup.5 together with R.sup.4 or R.sup.6 denotes the remainder which is necessary to complete an optionally substituted condensed-on benzene or naphthalene ring;M denotes a cation necessary to balance the charge.The recording material has increased blue sensitivity.
    • 彩色照相记录材料含有至少一种光敏卤化银乳剂层,其用式I的单甲基花青染料进行光谱增感,其中:R1表示苯并噻吩基,其通过2-,3-,4- ,其中5-,6-或7-位的苯并噻唑基的苯环,R2和R3(相同或不同)表示磺基烷基,羧基烷基, - (CH2)n-SO2-NH-SO2-烷基, (CH 2)n -SO 2 -NH-CO-烷基, - (CH 2)n -CO-NH-SO 2 - 烷基或 - (CH 2)n -CO-NH-CO-烷基(n = R4至R6(相同或不同)表示氢,卤素,-CN,-CF3,烷基,烷氧基,芳基或杂环基; 或R 5与R 4或R 6一起表示完成任选取代的稠合的苯或萘环所必需的剩余物; M表示平衡电荷所必需的阳离子。 记录材料具有增加的蓝色灵敏度。