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    • 4. 发明授权
    • Disazo dyes and dye compositions for shading white paper
    • 用于遮蔽白皮书的双偶氮染料和染料组合物
    • US07682406B2
    • 2010-03-23
    • US11922451
    • 2006-06-26
    • Adolf KäserWolfgang Schlenker
    • Adolf KäserWolfgang Schlenker
    • C09B67/00C09B45/00C09B31/08C09B41/00
    • D21H21/28C09B31/08
    • The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R′1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D′ represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl and C1-C4alkoxy and R3 and M are as defined above, and their mixtures suitable for shading white paper, a process for shading, a process for the preparation of the novel dyes and white paper which has been treated with such shading components.
    • 本发明涉及式(1)的新型染料,其中D表示被一个或两个磺酸或羧酸基团取代的苯基或萘残基,且任选地通过一个或两个选自C 1 -C 4烷基,羟基 和硝基,每个R 1和R 2独立地代表氢或C 1 -C 4烷基,R 1表示氢,羟基,C 1 -C 4烷基或C 1 -C 4羟烷基,R 3表示氢,C 1 -C 4烷基或苯基,其是未取代的或 被选自C 1 -C 4烷基,C 1 -C 4烷氧基,卤素,羟基,-NH 2,硝基,-SO 3 M和-CO 2 M中的一个或两个基团取代,M代表氢,碱金属或碱土金属,铵或铵, 被C 1 -C 4烷基或C 2 -C 4羟烷基或聚乙二醇铵阳离子和还有已知的式(5)的染料二取代,三取代或四取代,其中D'表示被一个或两个磺酸或羧酸取代的苯基或萘残基 酸基和任选的一个 或选自C 1 -C 4烷基和C 1 -C 4烷氧基的两个基团,且R 3和M如上所定义,并且它们的混合物适合于遮蔽白皮书,遮蔽方法,制备新染料和白皮书的方法 用这种阴影部件处理。
    • 6. 发明申请
    • Disazo Dyes and Dye Compositions for Shading White Paper
    • 双色染料和染料组合物用于遮蔽白皮书
    • US20090083913A1
    • 2009-04-02
    • US11922451
    • 2006-06-26
    • Adolf KaserWolfgang Schlenker
    • Adolf KaserWolfgang Schlenker
    • C09B31/08
    • D21H21/28C09B31/08
    • The invention relates to novel dyes of the formula (1) in which D represents a phenyl or naphthalene residue which is substituted by one or two sulphonic Acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl, hydroxyl and nitro, each R1 and R2, independently, represent hydrogen or, a C1-C4alkyl group, R′1 represents hydrogen, hydroxyl, C1-C4alkyl or C1-C4hydroxyalkyl, R3 represents hydrogen, C1-C4alkyl or phenyl, which is unsubstituted or substituted by one or two groups selected from C1-C4alkyl, C1-C4alkoxy, halogen, hydroxyl, —NH2, nitro, —SO3M and —CO2M and M represents hydrogen, an alkaline or alkaline earth metal, ammonium or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl or C2-C4hydroxyalkyl or a polyglycolammonium cation and also known dyes of formula (5), in which D′ represents a phenyl or naphthalene residue which is substituted by one or two sulphonic acid or carboxylic acid groups and, optionally, by one or two groups selected from C1-C4alkyl and C1-C4alkoxy and R3 and M are as defined above, and their mixtures suitable for shading white paper, a process for shading, a process for the preparation of the novel dyes and white paper which has been treated with such shading components.
    • 本发明涉及式(1)的新型染料,其中D表示被一个或两个磺酸或羧酸基团取代的苯基或萘残基,且任选地通过一个或两个选自C 1 -C 4烷基,羟基 和硝基,每个R 1和R 2独立地代表氢或C 1 -C 4烷基,R 1表示氢,羟基,C 1 -C 4烷基或C 1 -C 4羟烷基,R 3表示氢,C 1 -C 4烷基或苯基,其是未取代的或 被选自C 1 -C 4烷基,C 1 -C 4烷氧基,卤素,羟基,-NH 2,硝基,-SO 3 M和-CO 2 M中的一个或两个基团取代,M代表氢,碱金属或碱土金属,铵或铵, 被C 1 -C 4烷基或C 2 -C 4羟烷基或聚乙二醇铵阳离子和还有已知的式(5)的染料二取代,三取代或四取代,其中D'表示被一个或两个磺酸或羧酸取代的苯基或萘残基 酸基和任选的一个或两个gro 选自C 1 -C 4烷基和C 1 -C 4烷氧基,R 3和M如上所定义,并且它们的混合物适用于白皮书着色,阴影处理,制备新染料的方法和已经用 这样的阴影组件。