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    Disazo dyes containing a bis-urea bridging group
    4.
    发明授权
    Disazo dyes containing a bis-urea bridging group 失效
    含有BIS-UREA BRIDGING GROUP的DISAZO DYES

    公开(公告)号：US3808194A

    公开(公告)日：1974-04-30

    申请号：US17096471

    申请日：1971-08-11

    申请人： CIBA GEIGY AG

    发明人： PILLER B ,  LENOIR J

    IPC分类号： C09B43/145 ,  G03C7/29 ,  C09B35/02 ,  C09B35/26 ,  C09B43/12

    CPC分类号： C09B43/145 ,  G03C7/29

    摘要： AZO DYESTUFF OF THE FORMULA

    ((((2-X,3-R,6-(HO3S-),8-HO-NAPHTH-1-YL)-N=N-),E,U-

    PHENYL)-NH-CO-NH-A-NH-CO-NH-),((2-X,3-R,6-(HO3S-)NAPHTH-

    1-YL)-N=N-),E,U-BENZENE

    WHEREIN A DENOTES OPTIONALLY SUBSTITUTED ALKYLENE, PHENYLENE OR NAPTHYLENE, AN OPTIONALLY SUBSTITUTED HETEROCYCLIC RADICAL WITH 5- OR 6-RING MEMBERS CONTAINING O, S OR N ATOMS AS RING MEMBERS, OR A RADICAL OF THE FORMULA

    -(D-PHENYLENE)-(A'')(S-1)-(D''-PHENYLENE)-

    WHEREIN A'' REPRESENTS -(CH2)X-, -CO-, -NH-, -O-, -S-, -SO2- OR -N=N-, S DENOTES 1 OR 2, R DENOTES AN INTEGER FROM 1 TO 4 AND D AND D'' EACH DENOTE HYDROGEN, HALOGEN, LOWER ALKYL OR LOWER ALKOXY, R DENOTES HYDROGEN OR SULPHONIC ACID GROUP, X DENOTES A HYDROGEN ATOM, AN AMINO GROUP OR AN AMINO GROUP SUBSTITUTED BY ALKYL, CYCLOALKYL OR SUBSTITUTED PHENYL, E DENOTES A HYDROGEN ATOMS, A SULPHONIC ACID GROUP OR A LOWER ALKOXY GROUP AND U DENOTES A HYDROGEN ATOM OR A LOWER ALKYL OR ALKOXY GROUP WHICH DYESTUFF IS USED AS A IMAGE DYESTUFF IN THE SILVER DYE BLEACH PROCESS AND IS UNUSUALLY DIFFUSION-RESISTANT, IS READILY SOLUBLE IN WATER, IS INSENSITIVE TO CALCIUM IONS, IS CAPABLE OF BEING BLEACHED COMPLETELY TO WHITE, AND HAS EXCEPTIONALLY PURE, BRILLANT COLOR SHADES, AND HIGH COLOR STRENGTH.

    Photographic, light-sensitive material containing a trisazo dyestuff
    5.
    发明授权
    Photographic, light-sensitive material containing a trisazo dyestuff 失效
    摄影，感光材料含有TRISAZO DYESTUFF

    公开(公告)号：US3716368A

    公开(公告)日：1973-02-13

    申请号：US3716368D

    申请日：1970-09-23

    申请人： CIBA GEIGY AG

    发明人： FROEHLICH A ,  PILLER B ,  LOEFFEL H

    IPC分类号： C07D231/22 ,  C09B33/00 ,  C09B43/145 ,  C09B43/32 ,  C09B45/00 ,  G03C7/29 ,  G03C1/10

    CPC分类号： C09B33/00 ,  C07D231/22 ,  C09B43/145 ,  C09B43/32 ,  C09B45/00 ,  G03C7/29

    摘要： Photographic light-sensitive material, especially for the silver dyestuff bleaching process is provided. This material is characterized in that it contains on a support in at least one layer a trisazo dyestuff of the formula WHEREIN A, K, B and M each represents an aromatic or heterocyclic radical and E represents a radical derived from a coupling component. The dyestuff molecule moreover contains one or more groups conferring solubility in water and also may be present in the form of its metal complex compound. These trisazo dyestuffs absorb in the most diverse wave-length ranges. The trisazo dyestuffs are very fast to diffusion, have high color strength, are readily soluble and compatible with cations.

    摘要翻译： 提供了感光材料，特别适用于银染色漂白工艺。 该材料的特征在于，其在至少一层的载体上含有式WHEREIN A，K，B和M的三偶氮染料各自表示芳族或杂环基，E表示衍生自偶合组分的基团。 染料分子还含有赋予溶于水的一个或多个基团，也可以其金属络合物的形式存在。 这些三偶氮染料吸收最广泛的波长范围。 三偶氮染料非常快地扩散，具有高的着色强度，易溶于并与阳离子相容。

    Coxch
    7.
    发明授权
    Coxch 失效

    公开(公告)号：US2734053A

    公开(公告)日：1956-02-07

    申请号：US2734053D

    IPC分类号： C09B43/145

    CPC分类号： C09B43/145

    Azo dyes for photographic silver dye bleach material
    9.
    发明授权
    Azo dyes for photographic silver dye bleach material 失效
    用于照相银染料漂白材料的偶氮染料

    公开(公告)号：US5043257A

    公开(公告)日：1991-08-27

    申请号：US448005

    申请日：1989-12-08

    申请人： Kurt Baettig ,  Gerald C. Jan

    发明人： Kurt Baettig ,  Gerald C. Jan

    IPC分类号： G03C7/29 ,  C09B43/145 ,  C09B43/32

    CPC分类号： C09B43/145

    摘要： Azo dyes of the formula ##STR1## where X is alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, X' is hydrogen, alkyl or alkoxy each of 1 to 4 carbon atoms or halogen, Y and Y' are independently of each other hydrogen or halogen, Z is hydrogen, alkyl or alkoxy or alkylthio each of 1 to 4 carbon atoms, or halogen, M is a 1-, 2- or 3-valent metal cation, ammonium or an organic ammonium compound, m is 1, 2 or 3 and n is 2 to 10, are suitable for use as image dyes in photographic silver dye bleach materials.The dyes of the invention can also be used to dye textile materials.