利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

39 条记录 (耗时 0.023 秒)

    Disazo photoreceptors for electrophotography
    2.
    发明授权
    Disazo photoreceptors for electrophotography 失效
    用于电子照相术的二重唑光感受器

    公开(公告)号：US4537847A

    公开(公告)日：1985-08-27

    申请号：US640205

    申请日：1984-08-10

    申请人： Jiro Takahashi ,  Kiyoshi Sawada ,  Akira Kinoshita ,  Tawara Komamura ,  Satoshi Goto ,  Osamu Sasaki

    发明人： Jiro Takahashi ,  Kiyoshi Sawada ,  Akira Kinoshita ,  Tawara Komamura ,  Satoshi Goto ,  Osamu Sasaki

    IPC分类号： C09B35/02 ,  C09B56/04 ,  G03G5/06

    CPC分类号： C09B35/02 ,  C09B56/04 ,  G03G5/0677 ,  G03G5/0683 ,  G03G5/0685

    摘要： Photoreceptor for electrophotography comprising a conductive support and an overlaying photosensitive layer thereon, said photosensitive layer containing at least one azo compound of Formula I or II ##STR1## wherein Ar.sub.1, Ar.sub.2, Ar.sub.3 and Ar.sub.4 each is an aromatic hydrocarbon ring radical or an aromatic heterocyclic ring radical; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each is an electron attractive group or hydrogen provided that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is an electron attractive group; and A is ##STR2## wherein X is a hydroxy group or a group represented by the formula: ##STR3## wherein R.sub.6 and R.sub.7 each is hydrogen or an alkyl group, and R.sub.8 is an alkyl or aryl group; Y is halogen, an alkyl or alkoxy group, a carboxy group, a sulfo group, a carbamoyl or sulfamoyl group; Z is an atomic group necessary for making an aromatic hydrocarbon ring or an aromatic heterocyclic ring; R.sub.5 is hydrogen, an amino or carbamoyl group, a carboxy group or an ester group thereof; Ar.sub.5 is an aryl group; n is an integer of 1, 2 or 3; and m is an integer of 0, 1 or 2.

    摘要翻译： 用于电子照相的感光体包括导电支撑体和其上的覆盖感光层，所述感光层含有至少一种式I或II式II的偶氮化合物，其中Ar1，Ar2，Ar3和Ar4各自为芳族 烃环基或芳族杂环基; R 1，R 2，R 3和R 4各自是吸电子基团或氢，条件是R 1，R 2，R 3和R 4中的至少一个是吸电子基团; 其中X为羟基或由下式表示的基团：其中R 6和R 7各自为氢或烷基，R 8为烷基或芳基 组; Y是卤素，烷基或烷氧基，羧基，磺基，氨基甲酰基或氨磺酰基; Z是制备芳族烃环或芳族杂环所必需的原子团; R5是氢，氨基或氨基甲酰基，羧基或其酯基; Ar5是芳基; n为1,2或3的整数; m为0,1或2的整数。

    Electrophotographic photoreceptor with hydrazone derivative
    4.
    发明授权
    Electrophotographic photoreceptor with hydrazone derivative 失效
    腙衍生物的电子照相感光体

    公开(公告)号：US4448868A

    公开(公告)日：1984-05-15

    申请号：US463974

    申请日：1983-02-04

    申请人： Shinichi Suzuki ,  Kiyoshi Sawada ,  Akira Kinoshita ,  Osamu Sasaki ,  Satoshi Goto

    发明人： Shinichi Suzuki ,  Kiyoshi Sawada ,  Akira Kinoshita ,  Osamu Sasaki ,  Satoshi Goto

    IPC分类号： G03G5/06 ,  G03G5/14

    CPC分类号： G03G5/0637 ,  G03G5/0629 ,  G03G5/0661

    摘要： An electrophotographic photoreceptor having formed on an electrically conductive support a light-sensitive layer containing a hydrazone derivative of formula (I) as a photoconductive material is disclosed: ##STR1## wherein Z is a divalent hydrocarbon group necessary to form in conjunction with a nitrogen atom a 5- or 6-membered nitrogen-containing heterocyclic ring condensed to the benzene ring; R.sub.1 is an aryl group or a heterocyclic group; R.sub.2 is a hydrogen atom, an alkyl group or an aryl group; X is a hydrogen atom, a halogen atom, an alkyl group, a substituted amino group, an alkoxy group or a cyano group; and n is an integer of 0 or 1. This hydrazone derivative exhibits great carrier transporting ability when it is incorporated in the light-sensitive layer.

    摘要翻译： 公开了一种在导电载体上形成含有式（I）腙衍生物作为光电导材料的感光层的电子照相感光体：其中Z是与氮原子一起形成所需的二价烃基 与苯环稠合的5-或6-元含氮杂环; R1芳基或杂环基; R2是氢原子，烷基或芳基; X为氢原子，卤素原子，烷基，取代氨基，烷氧基或氰基; 并且n是0或1的整数。当该腙衍生物结合到感光层中时，该腙衍生物显示出很好的载流子传输能力。

    Electrophotosensitive receptor with trisazo compound
    6.
    发明授权
    Electrophotosensitive receptor with trisazo compound 失效
    具有三偶氮化合物的电光敏感受体

    公开(公告)号：US4426432A

    公开(公告)日：1984-01-17

    申请号：US372228

    申请日：1982-04-26

    申请人： Kiyoshi Sawada ,  Satoshi Goto ,  Osamu Sasaki ,  Jiro Takahashi ,  Tawara Komamura

    发明人： Kiyoshi Sawada ,  Satoshi Goto ,  Osamu Sasaki ,  Jiro Takahashi ,  Tawara Komamura

    IPC分类号： C07D209/54 ,  C07D209/88 ,  C07D213/76 ,  C07D221/14 ,  C07D231/46 ,  G03G5/06 ,  G03G5/09

    CPC分类号： G03G5/0687 ,  G03G5/0688 ,  G03G5/09

    摘要： There is disclosed an electrophotosensitive receptor which comprises a conductive support and an electrophotosensitive layer which comprises a carrier transporting material and a specified trisazo compound wherein the azo compound is applied as a coating solution containing a solvent or as a liquid dispersion mixture containing a dispersion medium. Alternatively, the electrophotosensitive receptor comprises a conductive support and an electrophotosensitive layer which comprises said azo compound wherein the azo compound is applied as a coating solution containing a solvent and a binder or as a liquid dispersion medium containing a dispersion medium and a binder.

    摘要翻译： 公开了一种电光敏感受体，其包含导电性载体和光电敏感层，其包含载体输送材料和特定的三偶氮化合物，其中偶氮化合物作为包含溶剂的涂布溶液或作为含有分散介质的液体分散混合物施加。 或者，电光敏感受体包括导电性载体和包含所述偶氮化合物的光电敏感层，其中偶氮化合物作为包含溶剂和粘合剂的涂布溶液或作为含有分散介质和粘合剂的液体分散介质施加。

    Electrophotographic substituted p,p'-bisazo diphenyl acrylonitrile compounds for photoreceptors
    7.
    发明授权
    Electrophotographic substituted p,p'-bisazo diphenyl acrylonitrile compounds for photoreceptors 失效
    用于光感受器的电子照相取代的p，p'-双偶氮二苯基丙烯腈化合物

    公开(公告)号：US4495261A

    公开(公告)日：1985-01-22

    申请号：US453281

    申请日：1982-12-27

    申请人： Jiro Takahashi ,  Tawara Komamura ,  Kiyoshi Sawada ,  Ssamu Sasaki ,  Satoshi Goto ,  Akira Kinoshita

    发明人： Jiro Takahashi ,  Tawara Komamura ,  Kiyoshi Sawada ,  Ssamu Sasaki ,  Satoshi Goto ,  Akira Kinoshita

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0683

    摘要： An electrophotograhic photoreceptor that has great ability to generate carriers and which has high sensitivity but low residual potential is disclosed. This photoreceptor is characterized by having formed on an electrically conductive support a light-sensitive layer containing a bisazo compound of the following formula: ##STR1## (wherein R.sub.1 is a cyano group, a chlorine atom or a bromine atom; X.sub.1 is a halogen atom, an alkyl group, an alkoxy group or a cyano group; X.sub.2 is a hydrogen atom, a halogen atom, an alkyl atom or an alkoxy group; A is ##STR2## wherein Y is a substituted or unsubstituted carbamoyl group or a substituted or unsubstituted sulfamoyl group; Z is an atomic group necessary for forming a substituted or unsubstituted aromatic hydrocarbon ring or a substituted or unsubstituted heteroaromatic ring; R.sub.2 is a hydrogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted carbamoyl group, a carboxy group or an ester group thereof; and A' is a substituted or unsubstituted aryl group).

    摘要翻译： 公开了具有很高的灵敏度但低残留电位的产生载体的能力的电子照相感光体。 该感光体的特征在于在导电载体上形成含有下式的双偶氮化合物的光敏层：其中R1是氰基，氯原子或溴原子; X1是卤素原子 ，烷基，烷氧基或氰基; X 2为氢原子，卤素原子，烷基或烷氧基; A为取代或未取代的氨基甲酰基或取代或未取代的氨基甲酰基 氨磺酰基; Z是形成取代或未取代的芳族烃环或取代或未取代的杂芳环所需的原子团; R 2是氢原子，取代或未取代的氨基，取代或未取代的氨基甲酰基，羧基或 其酯基; A'为取代或未取代的芳基）。