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    • 2. 发明授权
    • Disazo dyes containing an alkanoylamino group and a substituted alkoxy
group
    • 含有链烷酰氨基和取代烷氧基的双偶氮染料
    • US5527889A
    • 1996-06-18
    • US425663
    • 1995-04-17
    • Jurgen SchaetzerJames C. Posey
    • Jurgen SchaetzerJames C. Posey
    • C09B31/043C09B31/047C09B43/02C09B43/12D06P1/39
    • C09B31/047Y10S8/917Y10S8/924
    • Azo dyes of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, unsubstituted C.sub.2 -C.sub.4 alkanoylamino or C.sub.2 -C.sub.4 alkanoylamino which is substituted by hydroxy, sulfo or sulfato, or are halogen or sulfo,R.sub.3, R.sub.4 and R.sub.5 are each independently of one another hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen or sulfo,R.sub.6 is hydrogen, C.sub.1 -C.sub.4 alkyl, halogen, sulfo, unsubstituted C.sub.2 -C.sub.4 alkanoylamino or C.sub.2 -C.sub.4 alkanoylamino which is substituted by hydroxy, sulfo or sulfato, or is a radical of formula --O--Y, wherein Y is hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.1 -C.sub.8 alkyl which is substituted by hydroxy, C.sub.1 -C.sub.4 alkoxy, sulfo or sulfato,R.sub.7 is hydrogen, C.sub.1 -C.sub.8 alkyl or hydroxy-substituted C.sub.1 -C.sub.8 alkyl, or C.sub.2 -C.sub.8 alkyl which is interrupted in the chain by the group --O-- or ##STR2## and X is C.sub.1 -C.sub.8 alkyl or C.sub.1 -C.sub.8 alkoxy, each unsubstituted or substituted by hydroxy,C.sub.1 -C.sub.4 alkoxy, halogen, sulfo or sulfato, or is unsubstituted or substituted phenyl or naphthyl,which azo dye of formula (1) contains at least one sulfo or sulfato group, give dyeings of good fastness properties on nitrogen-containing or hydroxyl group containing fiber materials.
    • 或者其中R 1和R 2各自独立地为氢,C 1 -C 4烷基,C 1 -C 4烷氧基,未取代的C 2 -C 4烷酰基氨基或被羟基,磺基或硫酸酯取代的C 2 -C 4烷酰基氨基,或者 卤素或磺基,R 3,R 4和R 5各自独立地为氢,C 1 -C 4烷基,C 1 -C 4烷氧基,卤素或磺基,R 6为氢,C 1 -C 4烷基,卤素,磺基,未取代的C 2 -C 4烷酰基氨基或C 2 -C 4烷酰基氨基, 或被羟基,磺基或硫酸根取代,或者是式-OY的基团,其中Y是氢,被羟基,C 1 -C 4烷氧基,磺基或硫酸酯取代的C 1 -C 8烷基或C 1 -C 8烷基,R 7是氢, C 3 -C 8烷基或羟基取代的C 1 -C 8烷基或C 2 -C 8烷基,其在链中被-O-基团或中间,X是C 1 -C 8烷基或C 1 -C 8烷氧基,各自未被取代或被羟基,C 1 -C 4烷氧基 ,卤素,磺基或硫酸根,或未取代或取代的苯基或萘基,其中式(1)的偶氮染料 在至少一个磺基或硫酸根基团上,赋予含氮或含羟基的纤维材料具有良好牢度性质的染色。
    • 10. 发明授权
    • Silver halide material containing a monoazo dyestuff
    • 含有MONOAZO DYESTUFF的银盐
    • US3655388A
    • 1972-04-11
    • US3655388D
    • 1970-02-11
    • CIBA LTD
    • PILLER BERNHARD
    • G03C7/02C09B43/12G03C7/29G03C1/10
    • C09B43/12G03C7/29
    • Photographic light-sensitive material especially for the silver dyestuff bleaching process containing a monoazo dyestuff of the formula G-N=N-E(M-)m 1(NH-Y-Q)n 1NH-Z-A in which G is a naphthalene radical which in 1-position contains an azo group, in 2-position a phenylamino group and in 8-position a hydroxyl group and at least one sulfonic acid or sulfonic acid amide group, E is an aromatic radical which contains at most 2 sulfonic acid or sulfonic acid amide groups, M is a phthalic acid imide or an -NH-X-D- radical, X and Y are -CO- or -CO-NHradicals, D and Q are aromatic radicals, Z is an -SO2-, -CO- or CO-NH- radical, A is an aliphatic aromatic or heterocyclic radical and m and n are 1 or 2. These dyestuff are magenta dyestuffs and are fast to diffusion, easily soluble in water insensitive to calcium ions and completely bleachable to white.
    • 特别是用于含有式GN = NE(M-)m-1(NH-YQ)n-1NH-ZA的单偶氮染料的银染料漂白方法的照相感光材料,其中G是萘基, 位置包含偶氮基团,在2-位苯基氨基和8-位羟基基团和至少一个磺酸或磺酸酰胺基团中,E是含有至多2个磺酸或磺酸酰胺基团的芳族基团 ,M是邻苯二甲酰亚胺或-NH-XD-基,X和Y是-CO-或-CO-NH-基,D和Q是芳族基,Z是-SO 2 - , - CO-或 - CO-NH-基,A是脂族芳族或杂环基,m和n是1或2.这些染料是品红色染料,并且易扩散,易溶于对钙离子不敏感的水并且完全可漂白至白色。