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    • 130. 发明申请
    • Colorant precursor compositions
    • 着色剂前体组合物
    • US20040215038A1
    • 2004-10-28
    • US10422755
    • 2003-04-24
    • Xerox Corporation
    • Jeffery H. BanningDonald R. TitteringtonClifford R. King
    • C07C323/29C07C225/16
    • C09B69/00
    • Disclosed are colorant precursor compounds of the formula 1 wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each Rnull, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein said colorant precursor has no more than one nullOH, nullSH, or primary or secondary amino group per molecule.
    • 公开了下式的着色剂前体化合物其中R是烷基,芳基,芳基烷基或烷基芳基,其中R可以与苯基部分连接形成环,每个R'独立地为 其余的是卤素原子,烷基,烷氧基,腈基,硝基,酰胺基或磺酰胺基,z是0,1,2,3或4的整数,n是 表示每个重复烯化氧单元中的碳原子数的整数,x是代表重复烯化氧单元数的整数,其中所述着色剂前体不超过一个-OH,-SH或伯或仲氨基 每分子。