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1. 发明授权

US07604913B2 Electrophotographic photosensitive body 有权
标题翻译：电子照相感光体
公开(公告)号：US07604913B2
公开(公告)日：2009-10-20
申请号：US11572001
申请日：2005-07-15
申请人： Hiroyuki Tajima , Yuuta Kumano
发明人： Hiroyuki Tajima , Yuuta Kumano
IPC分类号： G03G5/04
CPC分类号： G03G5/0672 , G03G5/056 , G03G5/0592 , G03G5/0596 , G03G5/0614
摘要： Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a polyester resin in a photosensitive layer provided on an electroconductive substrate. The polyester resin is composed of a copolymer represented by the general formula 1 below, which has a viscosity average molecular weight (Mv) of 10,000-300,000 and contains a diphenyl ether 4,4′-dicarboxylic acid component and a bivalent phenol component.[Chemical Formula 1] A-Bn (1) In the general formula 1, A represents a diphenyl ether 4,4′-dicarboxylic acid residue represented by the formula A below, and B represents a bivalent phenol residue represented by the formula B below. In the formula A, each of Ra1 and Ra2 independently represents a hydrogen atom or a monovalent substituent which may have a substituent, and each of n and m is independently an integer from 0 to 4. In the formula B, each of R1 and R2 independently represents one selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, a halogen group, and an alkoxy group.
摘要翻译：公开了耐磨性和电特性优异的电子照相感光体。具体公开了一种在设置在导电性基体上的感光层中含有聚酯树脂的电子照相感光体。聚酯树脂由下述通式1表示的共聚物组成，其粘均分子量（Mv）为10,000-300,000，并含有二苯基醚4,4'-二羧酸组分和二价苯酚组分。 [化学式1] AB n（1）在通式1中，A表示二苯醚4,4'-二羧酸残基由下式A表示，B表示由下式B表示的二价酚残基。在式A中，Ra1和Ra2各自独立地表示氢原子或可以具有取代基的一价取代基，n和m各自独立地为0〜4的整数。在式B中，R 1和R 2各自独立地表示选自氢原子，烷基，芳基，卤素基和烷氧基的一个基团。

2. 发明授权

US06599671B2 Electrophotographic receptor 有权
公开(公告)号：US06599671B2
公开(公告)日：2003-07-29
申请号：US10246628
申请日：2002-09-19
申请人： Teruyuki Mitsumori , Akiteru Fujii , Mamoru Nozomi , Satoshi Kato , Yuuta Kumano
发明人： Teruyuki Mitsumori , Akiteru Fujii , Mamoru Nozomi , Satoshi Kato , Yuuta Kumano
IPC分类号： G03G1502
CPC分类号： G03G5/0546 , G03G5/047 , G03G5/0592 , G03G5/0596
摘要： A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.

3. 发明申请

US20060078810A1 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US20060078810A1
公开(公告)日：2006-04-13
申请号：US11288195
申请日：2005-11-29
申请人： Yuuta Kumano
发明人： Yuuta Kumano
IPC分类号： G03G5/05
CPC分类号： G03G9/08755
摘要： It is to provide a high performance and ultralife electrophotographic photoreceptor, which is less likely to be chemically and electrically deteriorated even when repeatedly used, which can maintain excellent electric characteristics, the photosensitive layer surface of which is less likely to be abraded or scarred or undergo film peeling due to e.g. contact with a developing apparatus, a developer or paper, and which is excellent also in mechanical characteristics. An electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, characterized in that the photosensitive layer contains a polyester resin which is a copolymerized polyester resin having a repeating ester structure (A) comprising a bivalent phenol residue represented by the following formula (1) and an aromatic dicarboxylic acid residue represented by the following formula (3), and a repeating ester structure (B) comprising a bivalent phenol residue represented by the following formula (2) and an aromatic dicarboxylic acid residue represented by the formula (3), and the repeating ester structure (A) has at least two types of repeating ester structures:
摘要翻译：它是提供一种高性能和超小型电子照相感光体，其即使在重复使用时也不太可能化学和电气劣化，其可以保持优异的电特性，其感光层表面不太可能磨损或疤痕或经受由于例如薄膜剥落与显影装置，显影剂或纸接触，其机械性能也优异。一种电子照相感光体，包括导电性基体和形成在其上的感光层，其特征在于，感光层含有聚酯树脂，该聚酯树脂是具有重复酯结构的共聚聚酯树脂（A），其包含由下式（1）表示的二价苯酚残基）和由下式（3）表示的芳族二羧酸残基和由下式（2）表示的二价酚残基和由式（3）表示的芳族二羧酸残基的重复酯结构（B），重复酯结构（A）具有至少两种重复酯结构：

4. 发明申请

US20060073400A1 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US20060073400A1
公开(公告)日：2006-04-06
申请号：US11293387
申请日：2005-12-05
申请人： Yuuta Kumano
发明人： Yuuta Kumano
IPC分类号： G03G5/05
CPC分类号： G03G5/0674 , C08G63/193 , G03G5/056 , G03G5/0592 , G03G5/0596 , G03G5/0614 , G03G5/0672
摘要： It is to provide a high performance and ultralife electrophotographic photoreceptor, which is less likely to be chemically and electrically deteriorated even when repeatedly used, which can maintain excellent electric characteristics, the photosensitive layer surface of which is less likely to be abraded or scarred or undergo film peeling due to e.g. contact with a developing apparatus, a developer or paper, and which is excellent also in mechanical characteristics. An electrophotographic photoreceptor, which contains a polyester resin having a repeating structure comprising a bivalent phenol residue represented by the following formula (1) and an aromatic dicarboxylic acid residue represented by the following formula (2): in the formula (1), each of R1 to R4 which are independent of one another, represents a hydrogen atom or an alkyl group, and R5 represents an alkyl group.
摘要翻译：它是提供一种高性能和超小型电子照相感光体，其即使在重复使用时也不太可能化学和电气劣化，其可以保持优异的电特性，其感光层表面不太可能磨损或疤痕或经受由于例如薄膜剥落与显影装置，显影剂或纸接触，其机械性能也优异。一种电子照相感光体，其含有具有由下式（1）表示的二价酚残基和下述式（2）表示的芳香族二羧酸残基的重复结构的聚酯树脂：在式（1）中， R 1〜R 4彼此独立地表示氢原子或烷基，R 5表示烷基。

5. 发明授权

US06803163B2 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US06803163B2
公开(公告)日：2004-10-12
申请号：US10452283
申请日：2003-06-03
申请人： Teruyuki Mitsumori , Akiteru Fujii , Mamoru Nozomi , Satoshi Kato , Yuuta Kumano
发明人： Teruyuki Mitsumori , Akiteru Fujii , Mamoru Nozomi , Satoshi Kato , Yuuta Kumano
IPC分类号： G03G1502
CPC分类号： G03G5/0546 , G03G5/047 , G03G5/0592 , G03G5/0596
摘要： A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.
摘要翻译：提供了一种包括导电基片和至少在导电基片上的感光层的高灵敏度和长寿命的电子照相感光体，其中感光层含有重复单元中不具有氮原子的多芳基化合物树脂，感光层的3×10 5（V / cm）的电场强度和21℃的电场强度为3×10 -6（cm 2 / Vs）以上。

6. 发明授权

US5939181A Porous molded article 失效
标题翻译：多孔成型品
公开(公告)号：US5939181A
公开(公告)日：1999-08-17
申请号：US927225
申请日：1997-09-10
申请人： Yuuta Kumano , Mitsutoshi Aritomi , Kenji Takasaki , Osamu Nishizawa , Nobuhiro Shibuya , Hisao Ochiai , Kenji Nakajima
发明人： Yuuta Kumano , Mitsutoshi Aritomi , Kenji Takasaki , Osamu Nishizawa , Nobuhiro Shibuya , Hisao Ochiai , Kenji Nakajima
IPC分类号： C08J9/00 , C08J5/18 , C08L23/10 , C08L45/00 , B32B3/26
CPC分类号： C08J5/18 , C08J2323/10 , C08J2323/20 , Y10S428/91 , Y10T428/249953 , Y10T428/249978
摘要： A porous molded article having microvoids therein which comprises a stretched product of a resin molded material made up of, as the base material, an olefinic resin composition containing from 95 to 50% by weight of a crystalline olefinic resin component (A) and from 5 to 50% by weight of a polymer of a cyclic olefin having a weight average molecular weight of not less than 1,000 and less than 10,000 and a glass transition point of from 180 to 400.degree. C. component (B).
摘要翻译：一种其中具有微孔的多孔模制品，其包括由作为基材的树脂模制材料的拉伸产物，所述树脂模制材料含有95至50重量％的结晶烯烃树脂组分（A）和5至5重量％的烯属树脂组合物至50重量％的重均分子量不小于1,000且小于10,000的环烯烃的聚合物和玻璃化转变温度为180-400℃的组分（B）。

7. 发明授权

US07718337B2 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US07718337B2
公开(公告)日：2010-05-18
申请号：US12189929
申请日：2008-08-12
申请人： Yuuta Kumano
发明人： Yuuta Kumano
IPC分类号： G03G5/05
CPC分类号： G03G5/0674 , C08G63/193 , G03G5/056 , G03G5/0592 , G03G5/0596 , G03G5/0614 , G03G5/0672
摘要： The present invention relates to an electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, wherein the photosensitive layer contains a polyester resin consisting of a repeating ester structure consisting of at least one bivalent phenol residue having formula (1) and at least one of an aromatic dicarboxylic acid residue having formula (2): where, each of R1 to R4, which are independent of one another, represents hydrogen or a methyl group, and R5 represents a methyl group, where (i) R1 to R4 are hydrogen atoms; or (iii) R1 and R3 are methyl groups and R2 and R4 are hydrogen atoms, and where the polyester resin is a copolymer, and an amount of the repeating ester structure consisting of the bivalent phenol residue having the above formula (1) and the aromatic dicarboxylic acid residue having the above formula (2) is at least 10 wt % of the entire polyester resin of the copolymer.
摘要翻译：本发明涉及一种电子照相感光体，其包含导电性基体和形成在其上的感光层，其中感光层含有由至少一种具有式（1）的二价酚残基和至少一个具有式（2）的芳族二羧酸残基：其中，彼此独立的R 1至R 4各自表示氢或甲基，R 5表示甲基，其中（i）R 1至R 4为氢原子或（iii）R 1和R 3是甲基，R 2和R 4是氢原子，并且其中聚酯树脂是共聚物，以及由具有上述式（1）的二价酚残基和具有上述式（2）的芳族二羧酸残基为共聚物的整个聚酯树脂的至少10重量％。

8. 发明申请

US20090047589A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR 有权
标题翻译：电子照相机
公开(公告)号：US20090047589A1
公开(公告)日：2009-02-19
申请号：US12246188
申请日：2008-10-06
申请人： Hiroyuki TAJIMA , Yuuta Kumano
发明人： Hiroyuki TAJIMA , Yuuta Kumano
IPC分类号： G03G5/06 , G03G15/06
CPC分类号： G03G5/0672 , G03G5/056 , G03G5/0592 , G03G5/0596 , G03G5/0614
摘要： Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a polyester resin in a photosensitive layer provided on an electroconductive substrate. The polyester resin is composed of a copolymer represented by the general formula 1 below, which has a viscosity average molecular weight (Mv) of 10,000-300,000 and contains a diphenyl ether 4,4′-dicarboxylic acid component and a bivalent phenol component. In the general formula 1, A represents a diphenyl ether 4,4′-dicarboxylic acid residue represented by the formula A below, and B represents a bivalent phenol residue represented by the formula B below. In the formula A, each of Ra1 and Ra2 independently represents a hydrogen atom or a monovalent substituent which may have a substituent, and each of n and m is independently an integer from 0 to 4. In the formula B, each of R1 and R2 independently represents one selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, a halogen group, and an alkoxy group.
摘要翻译：公开了耐磨性和电特性优异的电子照相感光体。具体公开了一种在设置在导电性基体上的感光层中含有聚酯树脂的电子照相感光体。聚酯树脂由下述通式1表示的共聚物组成，其粘均分子量（Mv）为10,000-300,000，并含有二苯基醚4,4'-二羧酸组分和二价苯酚组分。在通式1中，A表示下式A表示的二苯醚4,4'-二羧酸残基，B表示下式B表示的二价酚残基。在式A中，Ra1和Ra2各自独立地表示氢原子或可以具有取代基的一价取代基，n和m各自独立地为0〜4的整数。在式B中，R 1和R 2各自独立地表示选自氢原子，烷基，芳基，卤素基和烷氧基的一个基团。

9. 发明申请

US20080063963A1 Electrophotographic Photosensitive Body 有权
标题翻译：电子照相感光体
公开(公告)号：US20080063963A1
公开(公告)日：2008-03-13
申请号：US11572001
申请日：2005-07-15
申请人： Hiroyuki Tajima , Yuuta Kumano
发明人： Hiroyuki Tajima , Yuuta Kumano
IPC分类号： G03G5/04 , G03G15/02
CPC分类号： G03G5/0672 , G03G5/056 , G03G5/0592 , G03G5/0596 , G03G5/0614
摘要： Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a polyester resin in a photosensitive layer provided on an electroconductive substrate. The polyester resin is composed of a copolymer represented by the general formula 1 below, which has a viscosity average molecular weight (Mv) of 10,000-300,000 and contains a diphenyl ether 4,4′-dicarboxylic acid component and a bivalent phenol component.[Chemical Formula 1] A-Bn (1) In the general formula 1, A represents a diphenyl ether 4,4′-dicarboxylic acid residue represented by the formula A below, and B represents a bivalent phenol residue represented by the formula B below. In the formula A, each of Ra1 and Ra2 independently represents a hydrogen atom or a monovalent substituent which may have a substituent, and each of n and m is independently an integer from 0 to 4. In the formula B, each of R1 and R2 independently represents one selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, a halogen group, and an alkoxy group.
摘要翻译：公开了耐磨性和电特性优异的电子照相感光体。具体公开了一种在设置在导电性基体上的感光层中含有聚酯树脂的电子照相感光体。聚酯树脂由下述通式1表示的共聚物组成，其粘均分子量（Mv）为10,000-300,000，并含有二苯基醚4,4'-二羧酸组分和二价苯酚组分。 [化学式1] <？in-line-formula description =“In-line Formulas”end =“lead”？> （1）<？in-line-formula description = “在线式”末端=“尾”→在通式1中，A表示下式A表示的二苯醚4,4'-二羧酸残基，B表示由式 B以下。在式A中，R a 1和R 2各自独立地表示氢原子或可以具有取代基的一价取代基，n和m各自独立地为在式B中，R 1和R 2各自独立地表示选自氢原子，烷基，烷基，芳基，卤素基和烷氧基。

10. 发明授权

US07244535B2 Electrophotographic photoreceptor 有权
标题翻译：电子照相感光体
公开(公告)号：US07244535B2
公开(公告)日：2007-07-17
申请号：US11288195
申请日：2005-11-29
申请人： Yuuta Kumano
发明人： Yuuta Kumano
IPC分类号： G03G5/05
CPC分类号： G03G9/08755
摘要： An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer formed thereon, the photosensitive layer containing a polyester resin which is a copolymerized polyester resin having at least two different types of repeating ester structure (A) each comprising a bivalent phenol residue represented by invention formula (1) and an aromatic dicarboxylic acid residue represented by invention formula (3), and a repeating ester structure (B) comprising a bivalent phenol residue represented by invention formula (2) and an aromatic dicarboxylic acid residue represented by invention formula (3):
摘要翻译：一种电子照相感光体，包括导电基体和形成在其上的感光层，该感光层含有聚酯树脂，该聚酯树脂是具有至少两种不同类型的重复酯结构（A）的共聚聚酯树脂，每一种包含由本发明式（1）表示的芳香族二羧酸残基和由式（3）表示的芳香族二羧酸残基和由本发明的式（2）表示的二价酚残基和由式（3）表示的芳香族二羧酸残基的重复酯结构（B）：

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