公开(公告)号：US06958204B2

公开(公告)日：2005-10-25

申请号：US10924807

申请日：2004-08-25

Applicant: Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

Inventor： Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

IPC: G03G5/043 ,  G03G5/06

CPC classification number: G03G5/043 ,  G03G5/0605 ,  G03G5/0614

Abstract: An electrophotographic photosensitive member includes a charge generating material and a charge transfer material. The charge transfer material contains a triarylamine compound synthesized from an amine compound and an aryl halide in the presence of a catalyst comprising a phosphine compound represented by formula (1) and a palladium compound: wherein Ar1 to Ar3 are each independently an alkyl or aryl group which may have a substituent group, and at least one of Ar1 to Ar3 is an aryl group. A process cartridge includes the electrophotographic photosensitive member.

Abstract translation: 电子照相感光构件包括电荷产生材料和电荷转移材料。 电荷转移材料含有由胺化合物和芳基卤化合物在含有由式（1）表示的膦化合物和钯化合物的催化剂存在下合成的三芳基胺化合物：其中Ar 1至Ar 3个各自独立地为可以具有取代基的烷基或芳基，Ar 1〜Ar 3中的至少一个为芳基 组。 处理盒包括电照相感光构件。

公开(公告)号：US06818368B2

公开(公告)日：2004-11-16

申请号：US09832920

申请日：2001-04-12

Applicant: Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

Inventor： Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

IPC: G03G504

CPC classification number: G03G5/043 ,  G03G5/0605 ,  G03G5/0614

Abstract: An electrophotographic photosensitive member includes a charge generating material and a charge transfer material. The charge transfer material contains a triarylamine compound synthesized from an amine compound and an aryl halide in the presence of a catalyst comprising a phosphine compound represented by formula (1) and a palladium compound: wherein Ar1 to Ar3 are each independently an alkyl or aryl group which may have a substituent group, and at least one of Ar1 to Ar3 is an aryl group. A process cartridge includes the electrophotographic photosensitive member.

Abstract translation: 电子照相感光构件包括电荷产生材料和电荷转移材料。 电荷转移材料包含由胺化合物和芳基卤化合物在含有式（1）表示的膦化合物和钯化合物的催化剂存在下合成的三芳基胺化合物：其中Ar 1至Ar 3各自 独立地为可以具有取代基的烷基或芳基，Ar 1〜Ar 3中的至少一个为芳基。 处理盒包括电照相感光构件。

公开(公告)号：US5622799A

公开(公告)日：1997-04-22

申请号：US345702

申请日：1994-11-21

Applicant: Koichi Suzuki ,  Hideyuki Takai ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

Inventor： Koichi Suzuki ,  Hideyuki Takai ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

IPC: G03G5/06 ,  G03G5/047

CPC classification number: G03G5/0683

Abstract: An electrophotographic photosensitive member, a process cartridge having the electrophotographic photosensitive member and an electrophotographic apparatus are provided. The electrophotographic photosensitive member has a conductive substrate and a photosensitive layer thereon, wherein the photosensitive layer contains a disazo pigment represented by the following formula (1): ##STR1## wherein R.sub.1 to R.sub.8 are the same or different and are each a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is a positive integer, A.sub.1 and A.sub.2 are the same or different and are each a coupler residual group having a phenolic hydroxyl group, and at least one of A.sub.1 and A.sub.2 is a coupler residual group represented by the following formula (2): ##STR2## wherein X.sub.1 is a residual group forming a polycyclic aromatic ring or a heterocyclic ring by condensing with a benzene ring, R.sub.9 and R.sub.10 are the same or different and are each a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a heterocyclic group or a residual group forming a cyclic amino group by bonding together, and Z.sub.1 is an oxygen atom or a sulfur atom.

Abstract translation: 提供电子照相感光构件，具有电子照相感光构件的处理盒和电子照相设备。 电子照相感光构件具有导电性基材及感光层，感光层含有下述式（1）表示的双偶氮颜料：其中，R 1〜R 8相同或不同，为 氢原子，卤素原子，烷基或烷氧基，n为正整数，A1和A2相同或不同，分别为具有酚羟基的成色剂残基，A1和A2中的至少一个 （2）表示的成色剂残基：其中X1是通过与苯环缩合形成多环芳环或杂环的残基，R9和R10相同或不同 各自为氢原子，烷基，芳基，芳烷基，杂环基或通过键合而形成环状氨基的残基，Z1为氧原子或硫原子。

公开(公告)号：US20050260511A1

公开(公告)日：2005-11-24

申请号：US11127078

申请日：2005-05-12

Applicant: Mitsuhiro Kunieda ,  Toshihiro Kikuchi ,  Tetsuro Kanemaru ,  Yuka Nakajima

Inventor： Mitsuhiro Kunieda ,  Toshihiro Kikuchi ,  Tetsuro Kanemaru ,  Yuka Nakajima

IPC: G03G5/047 ,  G03G5/06

CPC classification number: G03G5/047 ,  G03G5/0614

Abstract: An electrophotographic photosensitive member, irradiated with semiconductor laser light having a wavelength of 380 to 500 nm, includes a conductive substrate, a charge-generating layer formed thereon; and a charge transport layer formed thereon, the charge transport-layer having a transmittance of at least 30% for the semiconductor laser light. A process cartridge mountable to and detachable from an electrophotographic apparatus includes the electrophotographic photosensitive member. An electrophotographic apparatus also includes the electrophotographic photosensitive member.

Abstract translation: 照射具有380-500nm波长的半导体激光的电子照相感光构件包括导电衬底，形成在其上的电荷产生层; 和形成在其上的电荷输送层，电荷输送层对于半导体激光具有至少30％的透射率。 可安装到电子照相设备上并可拆卸的处理盒包括电子照相感光构件。 电子照相设备还包括电照相感光构件。

公开(公告)号：US5543257A

公开(公告)日：1996-08-06

申请号：US345707

申请日：1994-11-22

Applicant: Koichi Suzuki ,  Hideyuki Takai ,  Hajime Miyazaki ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

Inventor： Koichi Suzuki ,  Hideyuki Takai ,  Hajime Miyazaki ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

IPC: G03G5/06

CPC classification number: G03G5/0681

Abstract: An electrophotographic photosensitive member is constituted by an electroconductive support and a photosensitive layer disposed on the electroconductive support. The photosensitive layer contains a specific disazo pigment having a 2,2'-bis-1,3-benzdithiolene-diyl skeleton or a thiophene-diyl skeleton. The photosensitive member is effective for providing a process cartridge and an electrophotographic apparatus respectively including the photosensitive member with an excellent photosensitivity and a stable electric potential in repetitive use.

Abstract translation: 电子照相感光构件由导电载体和设置在导电载体上的感光层构成。 感光层含有具有2,2'-双-1,3-苯并二硫戊烯 - 二基骨架或噻吩 - 二基骨架的特定双偶氮颜料。 感光构件有效地提供分别包括感光构件的处理盒和电子照相装置，其具有优异的光敏性和重复使用的稳定的电位。

公开(公告)号：US20050026059A1

公开(公告)日：2005-02-03

申请号：US10924807

申请日：2004-08-25

Applicant: Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

Inventor： Takakazu Tanaka ,  Mitsuhiro Kunieda ,  Yuka Nakajima ,  Harunobu Ohgaki

IPC: G03G5/043 ,  G03G5/06

CPC classification number: G03G5/043 ,  G03G5/0605 ,  G03G5/0614

Abstract: An electrophotographic photosensitive member includes a charge generating material and a charge transfer material. The charge transfer material contains a triarylamine compound synthesized from an amine compound and an aryl halide in the presence of a catalyst comprising a phosphine compound represented by formula (1) and a palladium compound: wherein Ar1 to Ar3 are each independently an alkyl or aryl group which may have a substituent group, and at least one of Ar1 to Ar3 is an aryl group. A process cartridge includes the electrophotographic photosensitive member.

Abstract translation: 电子照相感光构件包括电荷产生材料和电荷转移材料。 电荷转移材料包含由胺化合物和芳基卤化合物在含有式（1）表示的膦化合物和钯化合物的催化剂存在下合成的三芳基胺化合物：其中Ar 1至Ar 3各自 独立地为可以具有取代基的烷基或芳基，Ar 1〜Ar 3中的至少一个为芳基。 处理盒包括电照相感光构件。

公开(公告)号：US5576131A

公开(公告)日：1996-11-19

申请号：US350105

申请日：1994-11-29

Applicant: Hideyuki Takai ,  Koichi Suzuki ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

Inventor： Hideyuki Takai ,  Koichi Suzuki ,  Satomi Sugiyama ,  Mitsuhiro Kunieda

IPC: G03G5/047 ,  G03G5/06

CPC classification number: G03G5/0683 ,  G03G5/047 ,  G03G5/0681 ,  G03G5/0696

Abstract: An electrophotographic photosensitive member is constituted by disposing a photosensitive layer on a support. The photosensitive layer contains oxytitanium phthalocyanine and a specific disazo pigment of the formula (I) or (II) each characterized by having particular coupler residues. The photosensitive layer may preferably include a charge generation layer and a charge transport layer. The charge generation layer may preferably include a first charge generation layer containing the above disazo pigment of the formula (I) or (II) and a second charge generation layer containing the above oxytitanium phthalocyanine. The electrophotographic photosensitive member including the photosensitive layer described above is usable for providing an apparatus unit and an electrophotographic apparatus showing excellent electrophotographic characteristics such as high photosensitivity, good potential stability in repetitive use and good image-forming properties substantially providing no black spots.

Abstract translation: 电子照相感光构件通过在支撑体上设置感光层而构成。 感光层含有氧钛酞菁和式（I）或（II）的特殊双偶氮颜料，每种特征均具有特定的成色剂残基。 感光层可优选包括电荷产生层和电荷传输层。 电荷产生层可优选包含含有上述式（I）或（II）的上述双偶氮颜料的第一电荷产生层和含有上述氧钛酞菁的第二电荷产生层。 包括上述感光层的电子照相感光构件可用于提供显示出高的光敏性，重复使用的良好的电位稳定性和基本上不产生黑点的良好成像性能的电子照相特性优异的电子照相设备。