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    Electrophotographic photoreceptor with bisazo compound
    2.
    发明授权
    Electrophotographic photoreceptor with bisazo compound 失效
    双偶氮化合物的电子照相感光体

    公开(公告)号：US4999269A

    公开(公告)日：1991-03-12

    申请号：US560874

    申请日：1990-07-31

    申请人： Kazuhiro Emoto ,  Kozo Haino ,  Akira Itoh ,  Makoto Okaji

    发明人： Kazuhiro Emoto ,  Kozo Haino ,  Akira Itoh ,  Makoto Okaji

    IPC分类号： C09B35/023 ,  C09B35/03 ,  C09B35/215 ,  C09B35/34 ,  C09B56/08 ,  C09B56/16 ,  G03G5/06

    CPC分类号： C09B35/03 ,  C09B35/023 ,  C09B35/215 ,  C09B35/34 ,  C09B56/08 ,  C09B56/16 ,  G03G5/0681 ,  G03G5/0685

    摘要： This invention provides an electrophotographic photoreceptor which is high in durability and high in sensitivity. This photoreceptor comprises an electroconductive support and, provided thereon, a photosensitive layer containing an azo pigment represented by the following formula [I] or [II]: ##STR1## wherein A represents a hydrogen atom, an alkyl group, a phenyl group or a heterocyclic ring group, m and n each represents 0 or 1, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue, or ##STR2## wherein Z represents an alkyl group, a phenyl group or a heterocyclic ring group, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue.

    摘要翻译： 本发明提供一种耐久性高，灵敏度高的电子照相感光体。 该感光体包括导电载体，并且在其上提供含有由下式[I]或[II]表示的偶氮颜料的感光层：其中A表示氢原子，烷基，苯基 基或杂环基，m和n各自表示0或1，X表示氢原子，低级烷基，氰基或卤素原子，Cp表示成色剂残基，或者其中Z 表示烷基，苯基或杂环基，X表示氢原子，低级烷基，氰基或卤素原子，Cp表示成色剂残基。

    Phthalocyanine composition, process for production thereof, and electrophotographic photoreceptor
    5.
    发明授权
    Phthalocyanine composition, process for production thereof, and electrophotographic photoreceptor 失效
    酞菁组合物，其制备方法和电子照相感光体

    公开(公告)号：US06503673B2

    公开(公告)日：2003-01-07

    申请号：US09976005

    申请日：2001-10-15

    申请人： Tamotsu Horiuchi ,  Hideki Nagamura ,  Makoto Okaji

    发明人： Tamotsu Horiuchi ,  Hideki Nagamura ,  Makoto Okaji

    IPC分类号： G03G506

    CPC分类号： C09B67/0035 ,  C09B67/0026 ,  G03G5/0696

    摘要： Disclosed are a phthalocyanine composition suitable for use in an electrophotographic photoreceptor that exhibits a high charge potential and a high sensitivity and which exhibits stable performances without causing a change in various properties in repeated use, a process for the production thereof, and an electrophotographic photoreceptor to which the above phthalocyanine composition is applied. The present invention provides a phthalocyanine composition comprising a oxytitanium phthalocyanine and a metal-free phthalocyanine and having a crystal form having peaks at Bragg angles (2&thgr;±0.2°) of 7.0°, 9.0°, 14.1°, 18.0°, 23.7° and 27.3°, and having no peak at a Bragg angle (2&thgr;±0.2°) of 9.5°, in CuK&agr; 1.541-angstrom X ray diffraction spectrum, a process for the production of the above phthalocyanine composition, comprising carrying out crystal transformation treatment of an amorphous oxytitanium phthalocyanine and an amorphous metal-free phthalocyanine in a solvent containing water and a naphthalene, and an electrophotographic photoreceptor comprising an electrically conductive substrate and a photosensitive layer formed thereon, the photosensitive layer containing the above phthalocyanine composition as a charge-generating material.

    摘要翻译： 本发明公开了一种适用于显示高电荷和高灵敏度的电子照相感光体中的酞菁组合物，其表现出稳定的性能，而不会导致重复使用中的各种性质的改变，其制备方法和电子照相感光体 本发明提供了一种酞菁组合物，其包含氧钛酞菁和无金属酞菁，并且具有在布拉格角（2θ±0.2°）为7.0°，9.0°，14.1°处具有峰值的晶体形式 ，18.0°，23.7°和27.3°，在CuKalpha 1.541埃X射线衍射光谱中在布拉格角（2θ±0.2°）为9.5°时没有峰，制备上述酞菁组合物的方法包括 在溶剂合金中进行无定形氧钛酞菁和无定形金属酞菁的晶体转变处理 含有水和萘的电子照相感光体，以及包含形成在其上的感光层的电子照相感光体，所述感光层含有上述酞菁组合物作为电荷产生材料。

    Electrophotographic disazo photoreceptor
    7.
    发明授权
    Electrophotographic disazo photoreceptor 失效
    电子照相双面感光体

    公开(公告)号：US5041349A

    公开(公告)日：1991-08-20

    申请号：US560736

    申请日：1990-07-31

    申请人： Kazuhiro Emoto ,  Kozo Haino ,  Akira Itoh ,  Makoto Okaji

    发明人： Kazuhiro Emoto ,  Kozo Haino ,  Akira Itoh ,  Makoto Okaji

    IPC分类号： C09B35/023 ,  C09B35/03 ,  C09B35/215 ,  C09B35/34 ,  C09B56/08 ,  C09B56/16 ,  G03G5/06

    CPC分类号： C09B35/03 ,  C09B35/023 ,  C09B35/215 ,  C09B35/34 ,  C09B56/08 ,  C09B56/16 ,  G03G5/0681 ,  G03G5/0685

    摘要： This invention provides an electrophotographic photoreceptor which is high in durability and high in sensitivity. This photoreceptor comprises an electroconductive support and, provided thereon, a photosensitive layer containing an azo pigment represented by the following formula [I] or [II]: ##STR1## wherein A represents a hydrogen atom, an alkyl group, a phenyl group or a heterocyclic ring group, m and n each represents 0 or 1, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue, or ##STR2## wherein Z represents an alkyl group, a phenyl group or a heterocyclic ring group, X represents a hydrogen atom, a lower alkyl group, a cyano group or a halogen atom and Cp represents a coupler residue.

    摘要翻译： 本发明提供一种耐久性高，灵敏度高的电子照相感光体。 该感光体包括导电性支持体，并且在其上设置含有由下式[I]或[II]表示的偶氮颜料的感光层：其中A表示氢原子，烷基 ，苯基或杂环基，m和n各自表示0或1，X表示氢原子，低级烷基，氰基或卤素原子，Cp表示成色剂残基，或者[II] 其中Z表示烷基，苯基或杂环基，X表示氢原子，低级烷基，氰基或卤素原子，Cp表示成色剂残基。

    Electrophotographic photoreceptor containing an azo pigment
    8.
    发明授权
    Electrophotographic photoreceptor containing an azo pigment 失效
    含有偶氮颜料的电子照相感光体

    公开(公告)号：US5378568A

    公开(公告)日：1995-01-03

    申请号：US84987

    申请日：1993-07-02

    申请人： Makoto Okaji ,  Akira Itoh

    发明人： Makoto Okaji ,  Akira Itoh

    IPC分类号： C09B35/34 ,  C09B56/08 ,  G03G5/06

    CPC分类号： C09B56/08 ,  C09B35/34 ,  G03G5/0681

    摘要： The present invention provides an electrophotographic photoreceptor which comprises an electrically conductive support and a light-sensitive layer which contains an azo pigment represented by the following formula (I): ##STR1## wherein R.sub.1 represents an unsubstituted or substituted alkyl or alkoxy group having 3 to 8 carbon atoms, R.sub.2 represents a hydrogen atom, a halogen atom or an unsubstituted or substituted alkyl or alkoxy group having 1 to 3 carbon atoms and m and n each represent 1 or 2.

    摘要翻译： 本发明提供一种电子照相感光体，其包含导电性支持体和含有下述式（I）表示的偶氮颜料的感光层：其中，R 1表示未取代的 或具有3〜8个碳原子的取代的烷基或烷氧基，R2表示氢原子，卤素原子或未取代或取代的碳原子数1〜3的烷基或烷氧基，m和n各自表示1或2。

    Electrophotographic photoreceptor with a carrier transport layer containing a hydroquinone compound
    9.
    发明授权
    Electrophotographic photoreceptor with a carrier transport layer containing a hydroquinone compound 失效
    具有含氢氯化物化合物的载体运输层的电子照相光电子

    公开(公告)号：US5171651A

    公开(公告)日：1992-12-15

    申请号：US610578

    申请日：1990-11-08

    申请人： Kazuchiyo Takaoka ,  Makoto Okaji ,  Hideya Arisue

    发明人： Kazuchiyo Takaoka ,  Makoto Okaji ,  Hideya Arisue

    IPC分类号： C07D209/80 ,  C07D231/12 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06

    CPC分类号： C07D209/80 ,  C07D231/12 ,  G03G5/047 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/067 ,  G03G5/0681

    摘要： Disclosed is a double-layered type electrophotographic photoreceptor which comprises an electroconductive support and a carrier generation layer containing a pigment or a dye as a carrier generation material and a carrier transport layer which are provided on said support, wherein the carrier transport layer contains an organic low molecular weight carrier transport material, a binder resin, a hydroquinone compound represented by the following formula (II): ##STR1## wherein R.sup.7, R.sup.8, R.sup.9 and R.sup.10 each represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxy group, a carbamoyl group or an alkylthio group, and a compound represented by the following formula (III): ##STR2## wherein R.sup.11, R.sup.12, R.sup.13 and R.sup.14 each represents a hydrogen atom, a hydroxyl group, an alkyl group or an alkoxy group with a proviso that at least one of R.sup.11 -R.sup.14 is hydroxyl group, R.sup.15 and R.sup.16 each represents a hydrogen atom, an alkyl group or an alkenyl group and Z represents a group of atoms necessary to form a 2H-chromene skeleton, chroman skeleton or dihydrobenzofuran skeleton together with the benzene ring in the formula and the group of atoms may be further substituted.

    摘要翻译： 公开了一种双层型电子照相感光体，其包含导电性支持体和载体生成层，载体生成层含有作为载体生成材料的颜料或染料以及载体输送层，其载体输送层含有有机物 低分子载体转运材料，粘合剂树脂，下式（II）表示的氢醌化合物：其中R 7，R 8，R 9和R 10各自表示氢原子，卤素原子，烷基 ，芳基，烷氧基，氨基甲酰基或烷硫基，以及由下式（III）表示的化合物：其中R 11，R 12，R 13和R 14各自表示氢原子， 羟基，烷基或烷氧基，条件是R11-R14中的至少一个为羟基，R 15和R 16各自表示氢原子，烷基或烯基，Z表示 形成2H-色烯骨架所需的束，色醛骨架或二氢苯并呋喃骨架与式中的苯环和原子团可以进一步被取代。