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    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    1.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06218063B1

    公开(公告)日：2001-04-17

    申请号：US09379732

    申请日：1999-08-24

    申请人： Masato Tanaka ,  Kouichi Nakata ,  Kan Tanabe

    发明人： Masato Tanaka ,  Kouichi Nakata ,  Kan Tanabe

    IPC分类号： G03G5047

    CPC分类号： G03G5/0683 ,  G03G5/047 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0696

    摘要： An electrophotographic photosensitive member comprising a support and a photosensitive layer provided on the support. The photosensitive layer contains a disazo pigment represented by the following Formula (1) or (2) and a hydroxygallium phthalocyanine; wherein A1 and A2 may be the same or different and each represent a coupler residual group having a phenolic hydroxyl group; wherein A3 and A4 may be the same or different and each represent a coupler residual group having a phenolic hydroxyl group.

    摘要翻译： 一种电子照相感光构件，包括支撑体和设置在支撑体上的感光层。 感光层含有由下式（1）或（2）表示的双偶氮颜料和羟基镓酞菁，其中A1和A2可以相同或不同，表示具有酚羟基的成色剂残基，其中A3和 A4可以相同或不同，并且各自表示具有酚羟基的成色剂残基。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    2.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06465143B2

    公开(公告)日：2002-10-15

    申请号：US09768052

    申请日：2001-01-24

    申请人： Masato Tanaka ,  Hideki Anayama ,  Hidetoshi Hirano ,  Kan Tanabe ,  Kazue Asakura ,  Atsushi Fujii

    发明人： Masato Tanaka ,  Hideki Anayama ,  Hidetoshi Hirano ,  Kan Tanabe ,  Kazue Asakura ,  Atsushi Fujii

    IPC分类号： G03G506

    CPC分类号： G03G5/0694 ,  G03G5/0521

    摘要： An electrophotographic photosensitive member capable of forming images with less defects, such as ghost, while retaining a high photo-sensitivity, is provided. The photosensitive member includes a support and a photosensitive layer disposed on the support, wherein said photosensitive layer contains a phthalocyanine pigment and an azo calix[n]arene compound represented by the formula (1) below: wherein n denotes an integer of 4-8; a number (n) of R1 independently denote a hydrogen atom or an alkyl group capable of having a substituent and including at least one alkyl group capable of having a substituent; a number (2n) of R2 independently denote a hydrogen atom or an alkyl group capable of having a substituent; and a number (n) of Ar independently denote a monovalent group selected from an aromatic hydrocarbon ring group capable of having a substituent, a heterocyclic ring group capable of having a substituent, and a combination of these groups capable of having a substituent.

    摘要翻译： 提供能够形成具有较少缺陷的图像（例如重影）同时保持高光敏性的电子照相感光构件。 感光构件包括载体和设置在载体上的感光层，其中所述感光层含有酞菁颜料和由下式（1）表示的偶氮杯[n]芳烃化合物：其中n表示4-8的整数 ; R1的数个（n）独立地表示氢原子或能够具有取代基的烷基，并且包括至少一个能够具有取代基的烷基; R2的数（2n）独立地表示氢原子或能够具有取代基的烷基; 并且数个（n）的Ar独立地表示选自能够具有取代基的芳族烃环基团，可以具有取代基的杂环基团和可以具有取代基的这些基团的组合的一价基团。

    Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member
    3.
    发明授权
    Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member 有权
    电子照相感光构件，以及包括感光构件的处理盒和电子照相设备

    公开(公告)号：US06335132B1

    公开(公告)日：2002-01-01

    申请号：US09598151

    申请日：2000-06-21

    申请人： Masato Tanaka ,  Hidetoshi Hirano ,  Kan Tanabe

    发明人： Masato Tanaka ,  Hidetoshi Hirano ,  Kan Tanabe

    IPC分类号： G03G5047

    CPC分类号： G03G5/0517 ,  C09B67/0041 ,  G03G5/0607 ,  G03G5/0696

    摘要： An electrophotographic photosensitive member capable of forming images with less defects, such as ghost, while retaining a high photo-sensitivity, is provided. The photosensitive member includes a support and a photosensitive layer disposed on the support, wherein said photosensitive layer contains a phthalocyanine pigment and an azo calix[n]arene compound represented by the formula (1) below: wherein n denotes an integer of 4-8; R1, R2 and R3 independently denote a hydrogen atom or alkyl group; Ar denotes an aromatic hydrocarbon ring group capable of having a substituent, a heterocyclic group capable of having a substituent, or a combination of a plurality of these groups bonded to each other directly or via a bonding group.

    摘要翻译： 提供能够形成具有较少缺陷的图像（例如重影）同时保持高光敏性的电子照相感光构件。 感光构件包括载体和设置在载体上的感光层，其中所述感光层含有酞菁颜料和由下式（1）表示的偶氮杯[n]芳烃化合物：其中n表示4-8的整数 ; R1，R2和R3独立地表示氢原子或烷基; Ar表示能够具有取代基的芳香族烃环基，可以具有取代基的杂环基或多个这些基团直接键合或通过键合基团的结合。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    7.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US6040100A

    公开(公告)日：2000-03-21

    申请号：US261504

    申请日：1999-03-03

    申请人： Masato Tanaka ,  Hideyuki Takai ,  Kouichi Nakata

    发明人： Masato Tanaka ,  Hideyuki Takai ,  Kouichi Nakata

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0683 ,  G03G5/0675 ,  G03G5/0677 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0687 ,  G03G5/069 ,  G03G5/0694

    摘要： An electrophotographic photosensitive member is formed of a support, and a photosensitive layer disposed on the support. The photosensitive layer is characterized by containing an azo pigment having an organic group represented by formula (1) below: wherein A denotes a residue group of formula (1A) below: ##STR1## and k.sub.1, k.sub.2, Z.sub.1, Z.sub.2, D; R.sub.1 and R.sub.2 are defined in the text. The group of the formula (1) may provide at least one of up to 4 azo-substituents of the azo pigment having an entire structure represented by ##STR2## wherein Ar denotes an aromatic or heterocyclic core unit, Cp denotes a coupler residue group, and --(N.dbd.N--Cp) denotes such an azo-substituent. The photosensitive member can exhibit good electrophotographic performances including high and stable sensitivity on repetitive use.

    摘要翻译： 电子照相感光构件由支撑体和设置在支撑体上的感光层形成。 感光层的特征在于含有具有由下式（1）表示的有机基团的偶氮颜料：其中A表示下式（1A）的残基：和k1，k2，Z1，Z2，D; R1和R2在文中定义。 式（1）的基团可以提供具有由Ar表示芳族或杂环核心单元表示的整个结构的至多4个偶氮颜料的偶氮取代基中的至少一个，Cp表示成色剂残基，和 - （ N = N-Cp）表示这种偶氮取代基。 感光构件可以表现出良好的电子照相性能，包括对重复使用的高且稳定的灵敏度。

    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    8.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US6139997A

    公开(公告)日：2000-10-31

    申请号：US263077

    申请日：1999-03-08

    申请人： Masato Tanaka ,  Kouichi Nakata

    发明人： Masato Tanaka ,  Kouichi Nakata

    IPC分类号： C09B29/20 ,  C09B35/033 ,  C09B35/378 ,  C09B35/50 ,  G03G5/06

    CPC分类号： C09B35/378 ,  C09B29/20 ,  C09B35/033 ,  C09B35/50 ,  C09B56/04 ,  C09B56/16 ,  G03G5/0677 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0683 ,  G03G5/0687 ,  G03G5/0688 ,  G03G5/069 ,  G03G5/0692

    摘要： An electrophotographic photosensitive member is formed of a support, and a photosensitive layer disposed on the support. The photosensitive layer is characterized by containing an azo pigment having an organic group represented by formula (1) below: ##STR1## wherein X.sub.1, Z.sub.1, k.sub.1, B, A, R.sub.1 and R.sub.2 are defined in the text. The group of the formula (1) may provide at least one of up to 4 azo-substituents of the azo pigment having an entire structure represented byAr.paren open-st.N.dbd.N--Cp) 1-4,wherein Ar denotes an aromatic or heterocyclic core unit, Cp denotes a coupler residue group, and --(N.dbd.N--Cp) denotes such an azo-substituent. The photosensitive member can exhibit good electro-photographic performances including high and stable sensitivity on repetitive use.

    摘要翻译： 电子照相感光构件由支撑体和设置在支撑体上的感光层形成。 感光层的特征在于含有具有下式（1）表示的有机基团的偶氮颜料：其中X1，Z1，k1，B，A，R1和R2在文中定义。 式（1）的基团可以提供具有由Ar + 545N = N-Cp）1-4表示的整个结构的至多4个偶氮颜料的偶氮取代基中的至少一个，其中Ar表示芳族或杂环核 单元，Cp表示成色剂残基， - （N = N-Cp）表示这种偶氮取代基。 感光构件可以表现出良好的电摄影性能，包括在重复使用时具有高且稳定的灵敏度。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    9.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06270936B1

    公开(公告)日：2001-08-07

    申请号：US09379920

    申请日：1999-08-24

    申请人： Masato Tanaka ,  Kouichi Nakata

    发明人： Masato Tanaka ,  Kouichi Nakata

    IPC分类号： G03G1502

    CPC分类号： G03G5/0696

    摘要： An electrophotographic photosensitive member comprising a support and a photosensitive layer. The photosensitive layer contains an oxytitanium phthalocyanine having the strongest peak at 27.2°±0.2° of the diffraction angle (2&thgr;) in CuK&agr; characteristic X-ray diffraction and a hydroxygallium phthalocyanine having strong peaks at 7.4°±0.2° and 28.2°±0.2° of the diffraction angle (2&thgr;) in CuK&agr; characteristic X-ray diffraction. A process cartridge and an electrophotographic apparatus, employing the electrophotographic photosensitive member, are also disclosed.

    摘要翻译： 一种电子照相感光构件，包括支撑体和感光层。 感光层含有在CuKalpha特征X射线衍射中衍射角（2θ）在27.2°±0.2°处具有最强峰的氧钛酞菁和在7.4°±0.2°和28.2°±0.2°处具有强峰的羟基镓酞菁 的衍射角（2θ）在CuKalpha特征X射线衍射中。 还公开了一种使用电子照相感光构件的处理盒和电子照相设备。