Imaging members
    1.
    发明授权
    Imaging members 失效
    成像成员

    公开(公告)号:US06645687B1

    公开(公告)日:2003-11-11

    申请号:US10144120

    申请日:2002-05-10

    IPC分类号: G03G5047

    CPC分类号: C09B67/0035 G03G5/0696

    摘要: A process comprising forming chlorogallium phthalocyanine (ClGaPc) in N-methyl-2-pyrrolidinone (NMP) to provide a ClGaPc (NMP) Type I; separately dry milling and then wet treating the Type I product to form Type II ClGaPc (NMP); blending the ClGaPc Type II product with hydroxygallium phthalocyanine (HOGaPc) Type V and a resin to form a coating mixture; coating the resulting mixture to form a photoconductive charge generator layer.

    摘要翻译: 一种包括在N-甲基-2-吡咯烷酮(NMP)中形成氯镓酞菁(ClGaPc)以提供I型的ClGaPc(NMP)的方法; 分别干磨,然后湿法处理I型产物形成II型ClGaPc(NMP); 将ClGaPc II型产物与V型羟基镓酞菁(HOGaPc)和树脂混合以形成涂料混合物; 涂覆所得混合物以形成光导电荷发生器层。

    Processes for preparing dianthranilate compounds and diazopyridone colorants
    2.
    发明授权
    Processes for preparing dianthranilate compounds and diazopyridone colorants 失效
    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

    公开(公告)号:US06576747B1

    公开(公告)日:2003-06-10

    申请号:US10185261

    申请日:2002-06-27

    IPC分类号: C09B35031

    摘要: 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.

    摘要翻译: 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。

    Arylamine processes
    3.
    发明授权
    Arylamine processes 失效
    芳胺方法

    公开(公告)号:US5902901A

    公开(公告)日:1999-05-11

    申请号:US74620

    申请日:1998-05-07

    IPC分类号: C07C209/10 C07C211/54

    CPC分类号: C07C209/10

    摘要: A process for the preparation of N,N-bis(3,4-dimethylphenyl)-4-biphenylamine which comprises the reaction of N,N-bis(3,4-dimethylphenyl)amine and an iodobiphenyl in the presence of a ligand copper catalyst, and wherein the ligand is selected from the group consisting of monodentate tertiary amines and bidentate tertiary amines, and which reaction is accomplished at a temperature of, for example, from about 120.degree. C. to about 150.degree. C.

    摘要翻译: 一种制备N,N-双(3,4-二甲基苯基)-4-联苯胺的方法,其包括在配体铜的存在下N,N-双(3,4-二甲基苯基)胺和碘代联苯的反应 催化剂,并且其中所述配体选自单齿叔胺和二齿叔胺,并且该反应在例如约120℃至约150℃的温度下进行。

    Hydroxygallium phthalocyanine photoconductive imaging members
    5.
    发明授权
    Hydroxygallium phthalocyanine photoconductive imaging members 失效
    羟基镓酞菁光导成像构件

    公开(公告)号:US5563261A

    公开(公告)日:1996-10-08

    申请号:US469240

    申请日:1995-06-06

    CPC分类号: G03G5/0696

    摘要: A process for the preparation of hydroxygallium phthalocyanines which comprises hydrolyzing a gallium phthalocyanine precursor pigment by dissolving said hydroxygallium phthalocyanine in a strong acid and then reprecipitating the resulting dissolved pigment in basic aqueous media; removing any ionic species formed by washing with water, concentrating the resulting aqueous slurry comprised of water and hydroxygallium phthalocyanine to a wet cake; removing water from said slurry by azeotropic distillation with an organic solvent, and subjecting said resulting pigment slurry to mixing with the addition of a second solvent to cause the formation of said hydroxygallium phthalocyanine polymorphs.

    摘要翻译: 一种制备羟基镓酞菁的方法,其包括通过将所述羟基镓酞菁溶解在强酸中,然后将所得溶解的颜料再沉淀在碱性水性介质中来水解镓酞菁前体颜料; 去除通过用水洗涤形成的任何离子物质,将由水和羟基镓酞菁组成的所得水性浆料浓缩到湿饼; 通过与有机溶剂共沸蒸馏从所述浆料中除去水,并将所得颜料浆料加入第二溶剂进行混合,形成所述羟基镓酞菁多晶型物。

    Method for obtaining improved image contrast in migration imaging members
    6.
    发明授权
    Method for obtaining improved image contrast in migration imaging members 失效
    用于获得改进的成像成像中的图像对比度的方法

    公开(公告)号:US5514505A

    公开(公告)日:1996-05-07

    申请号:US441360

    申请日:1995-05-15

    CPC分类号: G03G17/04 G03G17/10

    摘要: Disclosed is a process which comprises (a) providing a migration imaging member comprising (1) a substrate and (2) a softenable layer comprising a softenable material and a photosensitive migration marking material present in the softenable layer as a monolayer of particles situated at or near the surface of the softenable layer spaced from the substrate; (b) uniformly charging the imaging member; (3) imagewise exposing the charged imaging member to activating radiation at a wavelength to which the migration marking material is sensitive; (d) subsequent to step (c), causing the softenable material to soften and enabling a first portion of the migration marking material to migrate through the softenable material toward the substrate in an imagewise pattern while a second portion of the migration marking material remains substantially unmigrated within the softenable layer; and (e) contacting the second portion of the migration marking material with a transparentizing agent which transparentizes migration marking material.

    摘要翻译: 公开了一种方法,其包括(a)提供迁移成像构件,其包括(1)基底和(2)可软化层,其包含可软化材料和存在于可软化层中的光敏迁移标记材料,作为位于或 靠近可软化层的与衬底间隔开的表面; (b)对成像构件均匀充电; (3)使带电成像构件成像曝光于迁移标记材料敏感的波长处的激活辐射; (d)在步骤(c)之后,使可软化材料软化,并使迁移标记材料的第一部分以成像图案向基材迁移,同时迁移标记材料的第二部分基本保持 在可软化层内不移动; 和(e)使所述迁移标记材料的第二部分与使透明标记材料透明化的透明剂接触。

    Process for making organic photosensitive pigment
    8.
    发明授权
    Process for making organic photosensitive pigment 有权
    制备有机光敏颜料的方法

    公开(公告)号:US08193344B2

    公开(公告)日:2012-06-05

    申请号:US12968215

    申请日:2010-12-14

    IPC分类号: C07B47/00 C07D487/22

    摘要: Processes for making photosensitive organic pigments for use in imaging members, specifically processes for making a photosensitive phthalocyanine pigments having a specific crystal form, comprising dissolving the pigment in a mixture of a haloacetic acid and alkylene halide to form a solution, precipitating the pigment by adding the solution to a non-solvent system, the solution comprised of one or more organic solvents and a small amount of water, wherein the amount of water controls the crystal form of the pigment, followed by a treatment with a halobenzene to obtain a highly photosensitive second crystal form of the pigment.

    摘要翻译: 用于制造用于成像构件的光敏有机颜料的方法,具体地说,涉及制备具有特定结晶形式的光敏酞菁颜料的方法,包括将颜料溶解在卤代乙酸和卤化亚烷的混合物中以形成溶液,通过加入 对非溶剂系统的溶液,该溶液由一种或多种有机溶剂和少量的水组成,其中水的量控制颜料的晶体形式,随后用卤代苯处理以获得高光敏性 第二种晶体形式的颜料。