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1. 发明授权

US06010810A Electrophotographic photoreceptor, process for the preparation thereof and image forming apparatus comprising the same 失效
标题翻译：电子照相感光体，其制备方法和包含其的成像设备
公开(公告)号：US06010810A
公开(公告)日：2000-01-04
申请号：US951666
申请日：1997-10-16
申请人： Tomozumi Uesaka , Kazuhiro Koseki , Fumio Ojima , Masahiro Iwasaki , Kiyokazu Mashimo
发明人： Tomozumi Uesaka , Kazuhiro Koseki , Fumio Ojima , Masahiro Iwasaki , Kiyokazu Mashimo
IPC分类号： G03G5/047 , G03G5/06 , G03G5/147 , G03G5/04
CPC分类号： G03G5/14769 , G03G5/047 , G03G5/0698 , G03G5/14791
摘要： An electrophotographic photoreceptor comprising an electrically-conductive substrate having thereon at least a photosensitive layer and a surface protective layer: wherein the surface protective layer has a network structure formed by the reaction of hydroxyl group-containing compounds with an isocyanate group-containing compound; and wherein at least one of the hydroxyl group-containing compounds is an electric charge-transporting material containing a hydroxyl group. Also disclosed are a preparation process of the electrophotographic photoreceptor and an image forming apparatus comprising the electrophotographic photoreceptor.
摘要翻译：一种电子照相感光体，包括其上至少具有感光层和表面保护层的导电基材，其中所述表面保护层具有由含羟基的化合物与含异氰酸酯基的化合物的反应形成的网状结构; 并且其中所述含羟基化合物中的至少一种是含有羟基的电荷输送材料。还公开了电子照相感光体的制备方法和包含电子照相感光体的图像形成装置。

2. 发明授权

US5654119A Organic electronic device comprising charge-transporting polyester and image forming apparatus 失效
标题翻译：包含电荷传输聚酯和成像设备的有机电子器件
公开(公告)号：US5654119A
公开(公告)日：1997-08-05
申请号：US628766
申请日：1996-04-05
申请人： Toru Ishii , Fumio Ojima , Kiyokazu Mashimo , Tomozumi Uesaka , Tomoo Kobayashi , Katsumi Nukada , Akira Imai , Masahiro Iwasaki
发明人： Toru Ishii , Fumio Ojima , Kiyokazu Mashimo , Tomozumi Uesaka , Tomoo Kobayashi , Katsumi Nukada , Akira Imai , Masahiro Iwasaki
IPC分类号： G03G5/07 , G03G5/147 , G03G5/047
CPC分类号： G03G5/1476 , G03G5/075 , G03G5/076 , G03G5/14752 , G03G5/14756 , G03G5/14769
摘要： An organic electronic device comprises a layer containing a charge-transporting polyester comprising a repeating unit comprising at least one of partial structural units represented by the following formulae (I-a) and (I-b) as a partial structure of repeating unit: ##STR1## where the symbols in the above formulae are defined in the specification.
摘要翻译：有机电子器件包括含有电荷输送聚酯的层，其包含重复单元，该重复单元包含由下式（Ia）和（Ib）表示的部分结构单元中的至少一种作为重复单元的部分结构：（Ia ）（Ib）其中上述公式中的符号在说明书中定义。

3. 发明授权

US5626997A Electrophotographic process 失效
标题翻译：电子照相法
公开(公告)号：US5626997A
公开(公告)日：1997-05-06
申请号：US396729
申请日：1995-03-01
申请人： Kiyokazu Mashimo , Fumio Ojima , Tomozumi Uesaka , Tomoo Kobayashi , Toru Ishii
发明人： Kiyokazu Mashimo , Fumio Ojima , Tomozumi Uesaka , Tomoo Kobayashi , Toru Ishii
IPC分类号： G03G5/043 , G03G5/07 , G03G15/02 , G03G13/24
CPC分类号： G03G15/0216 , G03G15/0291
摘要： In an electrophotographic process including an image forming process comprising a charging step of bringing a conductive charging member into contact with a surface of a photoreceptor and applying a superimposed voltage of a direct current voltage and an alternating current voltage to said conductive charging member to directly charge the surface of the photoreceptor, an image exposing step, and a developing step, the application of the voltage to said conductive charging member is stopped for every cycle of the image forming process, whereby the wear of the photoreceptive layer can be reduced and the life of the photoreceptor can be extremely improved.
摘要翻译：在包括图像形成处理的电子照相方法中，所述图像形成工艺包括使导电充电部件与感光体的表面接触并将直流电压和交流电压的叠加电压施加到所述导电充电部件的充电步骤，以直接充电感光体的表面，图像曝光步骤和显影步骤，在图像形成处理的每个周期停止向所述导电充电部件施加电压，由此可以减少感光层的磨损并且寿命的感光体可以极大地改善。

4. 发明授权

US5529868A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5529868A
公开(公告)日：1996-06-25
申请号：US402382
申请日：1995-03-13
申请人： Kiyokazu Mashimo , Fumio Ojima , Tomozumi Uesaka , Toru Ishii , Kazuyuki Nakamura , Takahiro Suzuki
发明人： Kiyokazu Mashimo , Fumio Ojima , Tomozumi Uesaka , Toru Ishii , Kazuyuki Nakamura , Takahiro Suzuki
IPC分类号： G03G5/047 , G03G5/06
CPC分类号： G03G5/0614 , G03G5/047
摘要： An electrophotographic photoreceptor comprising a conductive substrate having provided thereon a photosensitive layer, wherein said photosensitive layer contains, as charge transporting material (i) at least one triarylamine compound represented by formula (I) ##STR1## wherein the definition of Ar.sub.1, Ar.sub.2 are described in the present specification; and (ii) at least one benzidine compound represented by formula (II) ##STR2## wherein the definition of R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3, R.sub.3 ', m and n is described in the specification. The photoreceptor maintains its electrical characteristics stably on repeated use.
摘要翻译：一种电子照相感光体，包括在其上设置有感光层的导电基底，其中所述感光层包含作为电荷输送材料（i）至少一种由式（I）表示的三芳基胺化合物，其中Ar1， Ar2在本说明书中描述; 和（ii）由式（II）表示的至少一种联苯胺化合物其中R1，R1'，R2，R2'，R3，R3'，m和n的定义在说明书中描述。光感受器在重复使用时稳定地保持其电特性。

5. 发明授权

US5578406A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5578406A
公开(公告)日：1996-11-26
申请号：US517348
申请日：1995-08-21
申请人： Fumio Ojima , Tomoo Kobayashi , Toru Ishii , Kiyokazu Mashimo , Tomozumi Uesaka
发明人： Fumio Ojima , Tomoo Kobayashi , Toru Ishii , Kiyokazu Mashimo , Tomozumi Uesaka
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/09
CPC分类号： G03G5/0614 , G03G5/047 , G03G5/0564
摘要： An electrophotographic photoreceptor is disclosed which comprises an electroconductive substrate and a photosensitive layer formed thereon, said photosensitive layer containing as a binder resin a copolycarbonate resin comprising a structural unit represented by formula (I) ##STR1## and a structural unit represented by formula (II) ##STR2## wherein X and X' each is hydrogen, a halogen, or methyl; R, a substituent, is hydroxyl, carboxyl, acetyl, or a C.sub.1-4 alkyl; and j is 0 to 3 and further containing as a charge transport material a triarylamine compound represented by formula (III) ##STR3## wherein R.sub.1 is hydrogen or methyl; k is 1 or 2; and Ar.sub.1 and Ar.sub.2 each is an optionally substituted aryl.
摘要翻译：公开了一种电子照相感光体，其包括导电基材和形成在其上的感光层，所述感光层包含作为粘合剂树脂的共聚碳酸酯树脂，其包含由式（I）表示的结构单元（I）和由式式（II）其中X和X'各自为氢，卤素或甲基; R为取代基，为羟基，羧基，乙酰基或C 1-4烷基; 并且j为0〜3，进一步含有式（III）表示的三芳基胺化合物作为电荷输送物质，其中R 1为氢或甲基; k为1或2; Ar 1和Ar 2各自为任选取代的芳基。

6. 发明授权

US5424159A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5424159A
公开(公告)日：1995-06-13
申请号：US102246
申请日：1993-08-05
申请人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki , Ryosaku Igarashi , Tomozumi Uesaka
发明人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki , Ryosaku Igarashi , Tomozumi Uesaka
IPC分类号： G03G5/047 , G03G5/05 , G03G5/06 , G03G5/09
CPC分类号： G03G5/047 , G03G5/0564 , G03G5/0614 , G03G5/0616
摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing at least a charge generating material, a charge transporting material, and a binder resin, wherein said charge transporting material comprises a benzidine compound and/or a low-molecular weight charge transporting material having a molecular weight of from 200 to 400 and said binder resin mainly comprises a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and having a viscosity-average molecular weight ranging from 50,000 and 100,000, said charge transporting material and said binder resin being at a weight ratio of from 25:75 to 60:40. The photoreceptor exhibits improved abrasion resistance and improved peeling resistance while retaining excellent electrical and image characteristics.
摘要翻译：一种电子照相感光体，包括在其上形成有至少含有电荷产生材料，电荷输送材料和粘合剂树脂的感光层的导电基材，其中所述电荷输送材料包含联苯胺化合物和/或低分子量电荷输送分子量为200-400的材料和所述粘结剂树脂主要包含一种聚碳酸酯树脂，其包含由式（I）代表的重复单元：（I），粘均分子量为50,000和100,000，所述电荷输送材料和所述粘合剂树脂的重量比为25:75至60:40。感光体表现出改进的耐磨性和改善的耐剥离性，同时保持优异的电气和图像特性。

7. 发明授权

US5393629A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5393629A
公开(公告)日：1995-02-28
申请号：US30773
申请日：1993-03-12
申请人： Katsumi Nukada , Katsumi Daimon , Yasuo Sakaguchi , Kazuo Yamasaki , Masakazu Iijima , Michiaki Takahashi , Kazuhiro Koseki , Akira Imai , Kiyokazu Mashimo , Toru Ishii , Fumio Ojima , Masayuki Nishikawa , Ryosaku Igarashi
发明人： Katsumi Nukada , Katsumi Daimon , Yasuo Sakaguchi , Kazuo Yamasaki , Masakazu Iijima , Michiaki Takahashi , Kazuhiro Koseki , Akira Imai , Kiyokazu Mashimo , Toru Ishii , Fumio Ojima , Masayuki Nishikawa , Ryosaku Igarashi
IPC分类号： C09B67/12 , C09B67/50 , G03G5/06
CPC分类号： C09B67/0016 , C09B67/0026 , G03G5/0696
摘要： Crystals of hydroxygallium phthalocyanine, a method of preparing the crystals, a photoconductive material containing the crystals, and an electrophotographic photoreceptor having the material. The photoreceptor has excellent electrophotographic characteristics. The crystals of hydroxygallium phthalocyanine have distinct diffraction peaks at (i) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree. and 28.3.degree., or (ii) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree., or (iii) 7.9.degree., 16.5.degree., 24.4.degree. and 27.6.degree., or (iv) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 18.1.degree., 24.5.degree., 26.2.degree. and 27.1.degree., or (v) 6.8.degree., 12.8.degree., 15.8.degree. and 26.0.degree. or (vi) 7.4.degree., 9.9.degree., 25.0.degree., 26.0.degree., and 28.2.degree. of the Bragg angle (2.theta..+-.0.2) in the X-ray diffraction spectrum. The electrophotographic photoreceptor has a light-sensitive layer containing the photoconductive material of the crystals.
摘要翻译：羟基镓酞菁的晶体，晶体的制备方法，含有晶体的感光材料和具有该材料的电子照相感光体。感光体具有优异的电子照相特性。羟基镓酞菁的晶体在（i）7.5°，9.9°，12.5°，16.3°，18.6°，25.1°和28.3°，或（ii）7.7°，16.5°，25.1°和26.6°处具有不同的衍射峰，或（iii）7.9°，16.5°，24.4°和27.6°，或（iv）7.0°，7.5°，10.5°，11.7°，12.7°，17.3°，18.1°，24.5°，26.2°和27.1°，或（v）6.8°，12.8°，15.8°和26.0°或（vi）7.4°，9.9°，25.0°，26.0°和28.2°的布拉格角（2θ+/- 0.2）射线衍射光谱。电子照相感光体具有含有晶体光导材料的感光层。

8. 发明授权

US5948579A Electrophotographic photosensitive material 失效
标题翻译：电子照相感光材料
公开(公告)号：US5948579A
公开(公告)日：1999-09-07
申请号：US743001
申请日：1996-11-01
申请人： Kiyokazu Mashimo , Toru Ishii , Katsumi Nukada , Masahiro Iwasaki , Taketoshi Higashi , Fumio Ojima
发明人： Kiyokazu Mashimo , Toru Ishii , Katsumi Nukada , Masahiro Iwasaki , Taketoshi Higashi , Fumio Ojima
IPC分类号： C08L67/00 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07 , G03G5/14
CPC分类号： G03G5/0605 , G03G5/047 , G03G5/0503 , G03G5/0575 , G03G5/0637 , G03G5/064 , G03G5/0644 , G03G5/075 , G03G5/076 , Y10S430/103
摘要： An improved electrophotographic photosensitive material having a photosensitive layer on a conductive support. The photosensitive layer comprises a charge transporting polymeric compound having at least one structure represented by the following general formula (I-1) or (I-2) as a partial structure of a repeating unit, and at least one compound having a hindered phenol structural unit represented by the following general formula (II) or a hindered amine structural unit represented by the following general formula (III): ##STR1##
摘要翻译：一种改进的电子照相感光材料，其在导电载体上具有感光层。感光层包含具有至少一种由以下通式（I-1）或（I-2）表示的结构作为重复单元的部分结构的电荷输送聚合物，以及至少一种具有受阻酚结构的化合物由下列通式（II）表示的单元或由以下通式（III）表示的受阻胺结构单元：

9. 发明授权

US5702856A Method for making an image and a photosensitive body for liquid development 失效
标题翻译：用于制造图像的方法和用于液体显影的感光体
公开(公告)号：US5702856A
公开(公告)日：1997-12-30
申请号：US727313
申请日：1996-10-08
申请人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Katsumi Nukada
发明人： Kiyokazu Mashimo , Fumio Ojima , Toru Ishii , Katsumi Nukada
IPC分类号： G03G5/05 , G03G5/07 , G03G13/10 , G03G5/087
CPC分类号： G03G5/076 , G03G5/0564
摘要： In a method for making an image comprising the steps of forming an electrostatic image on a photosensitive body having a photosensitive layer and forming a visible image by means of a liquid development utilizing a developing liquid for electrostatic charge, the photosensitive layer comprises, as an electric charge transporting material, an electric charge transporting polymeric compound which contains as a partial moiety of repeating units the structures represented by the following general formulas 1-1 and/or 1-2, ##STR1## where R.sub.1 -R.sub.4 are each independently hydrogen, an alkyl radical that may have a substituent, or the like, X is a substituted or unsubstituted divalent aryl radical, k and l are each an integer of 0 or 1, and T is a divalent hydrocarbon radical of 1-10 carbon atoms that may be branched.
摘要翻译：在制造图像的方法中，包括以下步骤：在具有感光层的感光体上形成静电图像，并通过利用静电荷显影液的液体显影形成可视图像，感光层包括作为电电荷输送性高分子化合物，作为重复单元的部分部分含有以下通式1-1和/或1-2所示结构的电荷输送性高分子化合物，（I-1） -2）其中R 1 -R 4各自独立地为氢，可具有取代基的烷基等，X为取代或未取代的二价芳基，k和l各自为0或1的整数，T为可以是支链的1-10个碳原子的二价烃基。

10. 发明授权

US5382489A Electrophotographic photoreceptor with polycarbonate resin mixture 失效
标题翻译：电子照相感光体与聚碳酸酯树脂混合
公开(公告)号：US5382489A
公开(公告)日：1995-01-17
申请号：US099541
申请日：1993-07-30
申请人： Fumio Ojima , Kiyokazu Mashimo , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki
发明人： Fumio Ojima , Kiyokazu Mashimo , Toru Ishii , Tomoo Kobayashi , Taketoshi Hoshizaki
IPC分类号： C09D169/00 , G03G5/05 , G03G5/04
CPC分类号： G03G5/0564 , C09D169/00 , G03G5/0592
摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing, as binder resins, (A) a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and (B) a polycarbonate resin comprising a recurring unit represented by formula (II) or (III): ##STR2## wherein X.sub.1 and X.sub.2 each represent a hydrogen atom or an alkyl group, or (B') a copolycarbonate resin comprising a recurring unit represented by formula (II) and a recurring unit represented by formula (IV): ##STR3## said polycarbonate resin (B) or copolycarbonate resin (B') having a lower molecular weight than that of said polycarbonate resin (A). The photoreceptor had high film strength against abrasion and causes no toner filming or adhesion of any other foreign substances and is therefore excellent in electric characteristics and image characteristics.
摘要翻译：一种电子照相感光体，包括在其上形成有感光层的感光层，该感光层含有作为粘合剂树脂的（A）包含由式（I）表示的重复单元的聚碳酸酯树脂：（I）和（B）包含（II）或（III）表示的重复单元：其中X 1和X 2各自表示氢原子或烷基，或（B'）共聚碳酸酯树脂，其包含（IV）表示的重复单元和由式（IV）表示的重复单元：所述聚碳酸酯树脂（B）或分子量低于所述聚碳酸酯树脂的聚碳酸酯树脂（B'）（Ⅳ）一个）。感光体对于磨损具有高的膜强度，并且不会引起任何其它异物的调色剂成膜或粘附，因此具有优异的电特性和图像特性。

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