公开(公告)号：US4888262A

公开(公告)日：1989-12-19

申请号：US180973

申请日：1988-04-21

申请人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

发明人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

IPC分类号： G03G5/05

CPC分类号： G03G5/0521 ,  G03G5/0517 ,  Y10S430/103

摘要： An image forming method which employs an electro-photographic photoreceptor having high sensitivity, high resistance to damage, high durability, and high resistance to ozone oxidation. The method comprises charging the surface of the photoreceptor with positive charge, the photoreceptor including a photoconductive base, a photoreceptive layer formed on the base and consisting of at least a layer having a charge transport function and a layer having a charge generating function, and a resin-containing non-photoreceptive layer formed on the photoreceptive layer as required, and in which one layer placed above the layer having a charge transport function contains an antioxidizing agent, forming an electrostatic latent image on the surface of the photoreceptor by image-like exposure, then developing the electrostatic latent image.

摘要翻译： PCT No.PCT / JP87 / 00490 Sec。 371日期：1988年4月21日 102（e）日期1988年4月21日PCT提交1987年7月9日PCT公布。 公开号WO88 / 00726 日期：1988年1月28日。一种图像形成方法，其采用具有高灵敏度，高耐损伤性，高耐久性和高耐臭氧氧化性的电照相感光体。 该方法包括以正电荷对感光体的表面进行充电，感光体包括光导基体，形成在基底上的感光层，至少由具有电荷传输功能的层和具有电荷产生功能的层组成， 根据需要在感光层上形成的含有树脂的非感光层，并且其中放置在具有电荷传输功能的层之上的一层包含抗氧化剂，通过图像样曝光在感光体的表面上形成静电潜像 ，然后显影静电潜像。

公开(公告)号：US4540651A

公开(公告)日：1985-09-10

申请号：US549601

申请日：1983-11-07

申请人： Yoshihide Fujimaki ,  Yoshiaki Takei ,  Hiroyuki Nomori

发明人： Yoshihide Fujimaki ,  Yoshiaki Takei ,  Hiroyuki Nomori

IPC分类号： G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0685 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0637 ,  G03G5/0668 ,  G03G5/067 ,  G03G5/0683

摘要： There is disclosed an electrophotographic photosensitive member comprising a photosensitive layer comprising a combination of a carrier generating layer and a carrier transporting layer provided on an electroconductive support, the carrier generating layer containing a bisazo compound and the carrier transporting layer containing a styryl compound and/or an amine derivative, a hydrazone compound or a carbazole derivative.The electrophotographic photosensitive member according to the present invention has a high sensitivity and can form constantly good visible images.

摘要翻译： 公开了一种电子照相感光构件，其包括感光层，该感光层包含载体产生层和设置在导电载体上的载流子传输层的组合，载体产生层含有双偶氮化合物和载体传输层，其含有苯乙烯基化合物和/或 胺衍生物，腙化合物或咔唑衍生物。 根据本发明的电子照相感光构件具有高灵敏度并且可以形成不断良好的可见图像。

公开(公告)号：US4477549A

公开(公告)日：1984-10-16

申请号：US422728

申请日：1982-09-24

申请人： Yoshihide Fujimaki ,  Yoshiaki Takei ,  Hiroyuki Nomori

发明人： Yoshihide Fujimaki ,  Yoshiaki Takei ,  Hiroyuki Nomori

IPC分类号： G03G5/043 ,  G03G5/082 ,  G03G13/24

CPC分类号： G03G5/0436 ,  G03G5/08214

摘要： A highly sensitive photoreceptor for electrophotography that forms a sharp image during repeated use is disclosed. It comprises an electrically conductive support having successively formed thereon a photoconductive photosensitive layer and a protective layer for that photosensitive layer, said photosensitive layer comprising an organic photoconductive material and said protective layer comprising an amorphous silicon carbide or amorphous silicon nitride containing a hydrogen atom and/or a fluorine atom. A method of forming a latent electrostatic image and an electrophotographic process using such photoreceptor are also disclosed.

摘要翻译： 公开了在重复使用期间形成清晰图像的用于电子照相术的高灵敏度感光体。 它包括一个导电支撑件，其上依次形成有感光层和感光层的保护层，所述感光层包括有机光电导材料，所述保护层包括非晶碳化硅或包含氢原子和/ 或氟原子。 还公开了形成静电潜像的方法和使用这种感光体的电子照相方法。

公开(公告)号：US5863689A

公开(公告)日：1999-01-26

申请号：US602990

申请日：1996-02-16

申请人： Yoshiaki Takei ,  Yoshihiko Etoh ,  Asao Matsushima ,  Takeo Oshiba

发明人： Yoshiaki Takei ,  Yoshihiko Etoh ,  Asao Matsushima ,  Takeo Oshiba

IPC分类号： G03G5/05 ,  G03G5/06 ,  G03G15/09

CPC分类号： G03G5/0629 ,  G03G5/0503 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0564 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0614 ,  G03G5/0668 ,  Y10S430/106

摘要： Disclosed is an electrophotographic photoreceptor comprising an electrically conductive support and thereon formed a light-sensitive layer containing a carrier generation material, a carrier transport material and a binder resin, wherein said light-sensitive layer comprises a copolymer having a structural unit represented by Formula B.sub.1 and Formula B.sub.2 ; ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group, R.sub.1 and R.sub.2 may combine together to form a cyclic hydrocarbon residue having 4 to 10 carbon atoms, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cyclic hydrocarbon residue having 4 to 10 carbon atoms, or an aryl group, l, m, p and q independently represent an integer of 1 to 4. The electrophotographic photoreceptor has high sensitivity and high durability.

摘要翻译： 公开了一种电子照相感光体，其包含导电性载体，其上形成含有载体生成材料，载体传输材料和粘合剂树脂的感光层，其中所述感光层包含具有由式B1表示的结构单元的共聚物 和式B2; 式B1其中R 1和R 2独立地表示氢原子，具有1至6个碳原子的烷基或芳基，R 1和R 2可以结合在一起形成具有4至 10个碳原子，R 3，R 4，R 5和R 6独立地表示氢原子，卤素原子，碳原子数1〜6的烷基，碳原子数4〜10的环状烃基或芳基， ，p和q独立地表示1〜4的整数。电子照相感光体的灵敏度高，耐久性高。

公开(公告)号：US5349426A

公开(公告)日：1994-09-20

申请号：US148624

申请日：1993-11-08

申请人： Koichi Kudoh ,  Eiichi Sakai ,  Yoshiaki Takei

发明人： Koichi Kudoh ,  Eiichi Sakai ,  Yoshiaki Takei

IPC分类号： G03G21/00 ,  G03G21/10

CPC分类号： G03G21/0058 ,  G03G21/105

摘要： An image forming apparatus, such as a copier and a printer, for forming a toner image on a recording sheet. The apparatus includes: a photoreceptor for holding the toner image; an image exposure driver for forming a latent image on the photoreceptor; a developer for developing the latent image with a toner so that the toner image is formed on the surface of the photoreceptor; a transferrer for transferring the toner image from the surface of the photoreceptor to the recording sheet; a scraping blade for scraping off a residual toner on the surface of the photoreceptor after the toner image is transferred from the surface to the recording sheet; a toner collection chanber for collecting the residual toner; a toner guide roller for conveying the residual toner from the scraping blade to the toner collecting chanber; in which the toner guide roller is urged onto the surface of the photoreceptor, and the toner guide roller has a surface made of an open-cell cellular material having a pore size between 1 .mu.m and 50 .mu.m.

摘要翻译： 用于在记录纸上形成调色剂图像的诸如复印机和打印机的图像形成装置。 该装置包括：用于保持调色剂图像的感光体; 用于在感光体上形成潜像的图像曝光驱动器; 显影剂，用于利用调色剂显影潜像，使得调色剂图像形成在感光体的表面上; 用于将调色剂图像从感光体的表面转印到记录片材的转印器; 用于在调色剂图像从表面转印到记录片材之后刮去感光体表面上的残留调色剂的刮刀; 用于收集残留调色剂的调色剂收集夹; 调色剂引导辊，用于将残留的调色剂从刮刀传送到调色剂收集刷; 其中调色剂引导辊被推压到感光体的表面上，并且调色剂引导辊具有由孔径在1微米到50微米之间的开孔细胞材料制成的表面。

公开(公告)号：US5134050A

公开(公告)日：1992-07-28

申请号：US546028

申请日：1990-06-28

申请人： Yoshihiko Eto ,  Yoshiaki Takei

发明人： Yoshihiko Eto ,  Yoshiaki Takei

IPC分类号： G03G5/047 ,  G03G5/06

CPC分类号： G03G5/0677 ,  G03G5/047 ,  G03G5/0609 ,  G03G5/0668 ,  G03G5/067

摘要： The improved photoreceptor has a light-sensitive layer that contains as carrier generation materials both a polycylic quinone compound selected from among specified anthanthrone pigments, dibenzpyrene pigments and pyranthrone pigments and a specified bisazo pigment, and that also contains a specified stilbene compound as a carrier transport material. This photoreceptor has good spectral sensitivity characteristics over a broad range of wavelengths, has high sensitivity, has a long cycle life on account of reduced residual potential, is adapted for fast copying processes, and is capable of copying red images with improved fidelity of reproduction.

摘要翻译： 改性感光体具有含有作为载体生成材料的选自特定的蒽醌颜料，二苯并芘颜料和吡喃酮颜料的多环醌化合物和特定的双偶氮颜料的感光层，并且还含有规定的茋化合物作为载体输送 材料。 该感光体在宽波长范围内具有良好的光谱灵敏度特性，具有高灵敏度，由于降低的残留电位具有较长的循环寿命，适用于快速复印工艺，并且能够以提高的再现精度复印红色图像。

公开(公告)号：US5075189A

公开(公告)日：1991-12-24

申请号：US638320

申请日：1991-01-07

申请人： Tadasu Ichino ,  Eiichi Sakai ,  Yoshiaki Takei

发明人： Tadasu Ichino ,  Eiichi Sakai ,  Yoshiaki Takei

IPC分类号： G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0679 ,  G03G5/142

摘要： An electrophotographic photoreceptor is disclosed. The material comprises a conductive support and, provided thereon, an undercoat layer, a carrier generating layer and a carrier transport layer in this order, wherein said undercoat layer contains an N-alkoxylated polyamide copolymer or N-alkylated polyamide copolymer a unit represented by the following Formula 1:--NH--(CH.sub.2).sub.11 --CO-- Formula 1.

摘要翻译： 公开了一种电子照相感光体。 该材料依次包括导电支撑体，其上设置有底涂层，载体产生层和载体输送层，其中所述底涂层含有N-烷氧基化聚酰胺共聚物或N-烷基化聚酰胺共聚物， 下式1：-NH-（CH 2）11 -CO-式1。

公开(公告)号：USRE33724E

公开(公告)日：1991-10-22

申请号：US511981

申请日：1990-04-13

申请人： Yoshiaki Takei ,  Hiroyuki Nomori ,  Katumi Matuura

发明人： Yoshiaki Takei ,  Hiroyuki Nomori ,  Katumi Matuura

IPC分类号： C08G64/06 ,  G03G5/05 ,  G03G5/06

CPC分类号： G03G5/0609 ,  C08G64/06 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/0631 ,  G03G5/0661 ,  G03G5/067 ,  G03G5/0679 ,  G03G5/0683

摘要： A photoreceptor comprising a photosensitive layer and a support, wherein said photosensitive layer contains a polycarbonate compound binder selected from the group consisting of Formula A and B, ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, substituted or unsubstituted aliphatic, or a substituted or unsubstituted hydrocarbon ring, provided that at least one of R.sub.1 and R.sub.2 has at least 3 carbon atoms, Z represents a group of atoms necessary to constitute a substituted or unsubstituted carbon ring or a substituted or unsubstituted heterocylic ring, R.sub.3 to R.sub.10 in Formulas A and B are independently hydrogen, halogen, substituted or unsubstituted aliphatic, or a substituted or unsubstituted hydrocarbon ring, and n is a number from 10 to 1000.

公开(公告)号：US4952470A

公开(公告)日：1990-08-28

申请号：US180816

申请日：1988-04-21

申请人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

发明人： Kiyoshi Tamaki ,  Koichi Kudoh ,  Yoshihiko Etoh ,  Yoshiaki Takei

IPC分类号： G03G5/05 ,  G03G5/06

CPC分类号： G03G5/0638 ,  G03G5/0514 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0637 ,  G03G5/0651 ,  G03G5/0661 ,  Y10S430/103

摘要： An electrophotographic photosensitive member having improved anti-oxidation properties by ozone, comprising a conductive substrate, disposed thereon, a photosensitive layer which includes, as principal constituents, a charge generating material and a charge transporting material, wherein the photosensitive layer contains at least one type of compound selected from a group of those represented by any of the following [A] through [D]:[A] Compounds represented by the following general formula [I]; ##STR1## [B] Bisspiroindene compounds represented by the following general formula [II]; ##STR2## [C] Bisspiroindene compounds represented by the following general formula [III]; ##STR3## [D] Compounds having in the molecular structure thereof at least one structure selected from the following groups; ##STR4## [wherein R represents a hydrogen atom, or organic substituent group.]

摘要翻译： PCT No.PCT / JP87 / 00489 Sec。 371日期：1988年4月21日 102（e）日期1988年4月21日PCT提交1987年7月9日PCT公布。 第WO88 / 00725号公报 日本1988年1月28日。一种电子照相感光构件，其具有由臭氧提高的抗氧化性能，其中包括导电性基材，其上设置有作为主要成分的电荷产生材料和电荷输送材料的感光层，其中， 感光层含有选自下列[A]至[D]中任一项所示的那些化合物中的至少一种化合物：[A]由以下通式[I]表示的化合物。 通式[IMAGE] [I] [B]由以下通式[II]表示的双辛螺烯化合物; [II] [C]由以下通式[III]表示的双螺环茚化合物; [III] [D]具有分子结构的化合物中至少一种选自下列基团的结构： 结构式（a）结构式（b）结构式（c）[式中，R表示氢原子或有机取代基。

公开(公告)号：US4835080A

公开(公告)日：1989-05-30

申请号：US59955

申请日：1987-06-09

申请人： Yoshiaki Takei ,  Eiichi Kijima ,  Satoshi Goto ,  Hiroyuki Nomori

发明人： Yoshiaki Takei ,  Eiichi Kijima ,  Satoshi Goto ,  Hiroyuki Nomori

IPC分类号： G03G5/06

CPC分类号： G03G5/0609 ,  G03G5/0664

摘要： There is disclosed a photoreceptor which comprises a brominated anthanthrone pigment represented by the structural formula shown below: ##STR1## contained in the photosensitive layer, the brominated anthanthrone pigment exhibiting a X-ray diffraction spectrum having the respective diffraction strengths S (18.4.degree.) and S (26.7.degree.) at 2.theta.=18.4.degree. and 26.7.degree. which satisfy the relationship of0.2.ltoreq.S (18.4.degree.) / S (26.7.degree.).ltoreq.1.0;or exhibiting a X-ray diffraction spectrum having the respective half-value widths of diffraction strength of .DELTA..theta.(18.4.degree.) and .DELTA..theta.(26.7.degree.) at 2.theta.=18.4.degree.and 26.7.degree. which satisfy the relationship of{.DELTA..theta.(18.4.degree.).ltoreq.0.8.degree.} and/or{.DELTA..theta.(26.7.degree.).ltoreq.1.degree.}.

摘要翻译： 公开了一种感光体，其包含由下述结构式表示的溴化蒽醌颜料：包含在感光层中的溴化蒽醌颜料，具有各衍射强度S（18.4°）的X射线衍射光谱和 在2θ= 18.4°和26.7°的S（26.7°）满足0.2≤S（18.4°）/ S（26.7°）= 1.0的关系; 或表现出在2θ= 18.4°和26.7°处具有相应的ΔTATA（18.4°）和DELTAθ（26.7°）的衍射强度的半值宽度的X射线衍射光谱，其满足{DELTAθ（ 18.4°）