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    • 67. 发明授权
    • Processes for preparing dianthranilate compounds and diazopyridone colorants
    • 制备二邻氨基苯甲酸酯化合物和重氮吡啶酮着色剂的方法
    • US06576747B1
    • 2003-06-10
    • US10185261
    • 2002-06-27
    • Rina CarliniJames M. DuffStephen G. RobinsonGeorge LiebermannRoger E. GaynorTania PereiraJeffrey H. BanningJames D. Mayo
    • Rina CarliniJames M. DuffStephen G. RobinsonGeorge LiebermannRoger E. GaynorTania PereiraJeffrey H. BanningJames D. Mayo
    • C09B35031
    • C09B35/031C07C227/18C07C227/22C07C229/56C07D213/85Y10S534/02
    • Disclosed is a process for preparing dianthranilate compounds which comprises (a) admixing reactants as follows: (1) a diol of the formula R1(OH)2, wherein R1 is an alkylene group having at least about 20 carbon atoms, and wherein the —OH groups are primary or secondary, (2) isatoic anhydride, present in an amount of at least, about 2 moles of isatoic anhydride per every one mole of diol, (3) a catalyst which is 1,4-diazabicyclo [2.2.2]octane, N,N,N′,N′-tetramethylethylene diamine, or a mixture thereof, said catalyst being present in an amount of at least about 0.2 mole of catalyst per every one mole of diol, and (4) a solvent; and (b) heating the mixture thus formed to form a dianthranilate compound of the formula Also disclosed is a process for preparing diazopyridone colorants which comprises (I) preparing a dianthranilate compound by the aforementioned method, (II) reacting the dianthranilate compound with nitrosylsulfuric acid to form a diazonium salt, and (III) reacting the, diazonium salt with a pyridone compound to form a diazopyridone compound.
    • 公开了一种制备二氨基甲酸盐化合物的方法,其包括(a)如下混合反应物:(1)式R 1(OH)2的二醇,其中R 1是具有至少约20个碳原子的亚烷基, OH基团是伯或仲,(2)丙酸酐,每1摩尔二醇存在量至少约2摩尔丙烯酸酐,(3)作为1,4-二氮杂双环[2.2.2 ]辛烷,N,N,N',N'-四甲基乙二胺或其混合物,所述催化剂的存在量为每一摩尔二醇至少约0.2摩尔催化剂,和(4)溶剂; 和(b)加热由此形成的混合物以形成下式的二邻氨基苯甲酸酯化合物。另外公开的是一种制备重氮吡啶酮着色剂的方法,其包括(I)通过上述方法制备二氨基甲酸酯化合物,(II)使二邻氨基苯甲酸酯化合物与亚硝酰基磺酸反应 形成重氮盐,和(III)使重氮盐与吡啶酮化合物反应形成二叠氮基吡啶酮化合物。
    • 69. 发明授权
    • Fluorescent toner processes
    • 荧光调色剂工艺
    • US5554480A
    • 1996-09-10
    • US299392
    • 1994-09-01
    • Raj D. PatelH. Bruce GoodbrandGrazyna E. Kmiecik-LawrynowiczMichael A. HopperMelvin D. CroucherJames M. Duff
    • Raj D. PatelH. Bruce GoodbrandGrazyna E. Kmiecik-LawrynowiczMichael A. HopperMelvin D. CroucherJames M. Duff
    • G03G9/08G03G9/09G03G9/087
    • G03G9/0804G03G9/0926
    • A process for the preparation of fluorescent toner compositions comprising(i) preparing a pigment dispersion in a solvent, which dispersion is comprised of a pigment or dye, an ionic surfactant and optionally a charge control agent;(ii) shearing the pigment dispersion with a latex mixture comprised of a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, a nonionic surfactant and resin particles, thereby causing a flocculation or heterocoagulation of pigment, resin particles and charge control agent to form electrostatically bound toner size aggregates; and(iii) heating the statically bound aggregated particles to form said toner composition comprised of polymeric resin, pigment and optionally a charge control agent, and wherein the pigment or dye is excitable by ultraviolet light in the frequency range of from about 254 to about 366 nanometers and fluoresces in the visible spectrum of from about 400 to about 700 nanometers.
    • 一种制备荧光调色剂组合物的方法,包括(i)在溶剂中制备颜料分散体,该分散体由颜料或染料,离子表面活性剂和任选的电荷控制剂组成; (ii)用包含与所述离子表面活性剂相反的电荷极性的反离子表面活性剂,非离子表面活性剂和树脂颗粒的胶乳混合物剪切颜料分散体,从而引起颜料,树脂颗粒和电荷的絮凝或杂合 控制剂形成静电结合的调色剂尺寸聚集体; 和(iii)加热静态结合的聚集颗粒以形成由聚合物树脂,颜料和任选的电荷控制剂组成的所述调色剂组合物,并且其中颜料或染料可以通过紫外光在约254至约366的频率范围内激发 纳米,并且在约400至约700纳米的可见光谱中发荧光。