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182 条记录 (耗时 0.223 秒)

    Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor
    71.
    发明授权
    Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor 有权
    图像轴承材料，使用图像承载材料的电子照相感光体，以及使用感光体的图像形成装置

    公开(公告)号：US06444387B2

    公开(公告)日：2002-09-03

    申请号：US09742985

    申请日：2000-12-22

    申请人： Kohkoku Ri ,  Masaomi Sasaki ,  Kazukiyo Nagai ,  Shinichi Kawamura

    发明人： Kohkoku Ri ,  Masaomi Sasaki ,  Kazukiyo Nagai ,  Shinichi Kawamura

    IPC分类号： G03G5147

    CPC分类号： G03G5/0564 ,  G03G5/0592

    摘要： An image bearing material including a matrix resin and, within the matrix resin, a core/shell graft copolymer including a core including one or more polymers and a shell including a graft polymer which has a linear chain connected with the core and which is formed from one or more monomers. The image bearing material is preferably used for a surface layer of an electrophotographic photoreceptor, an intermediate transfer medium, and the like image bearing members to improve the abrasion resistance thereof.

    摘要翻译： 一种图像承载材料，其包含基质树脂，并且在所述基质树脂内，包含包含一种或多种聚合物的芯的核/壳接枝共聚物和包含具有与所述芯相连的直链的接枝聚合物的壳， 一种或多种单体。 图像承载材料优选用于电子照相感光体，中间转印介质等图像承载部件的表面层，以提高其耐磨性。

    Multilayer electrophotographic element containing a trisazo charge carrier generating substance and an anthracene or divinyl benzene charge carrier transfer substance
    75.
    发明授权
    Multilayer electrophotographic element containing a trisazo charge carrier generating substance and an anthracene or divinyl benzene charge carrier transfer substance 失效
    含有三偶氮电荷载体产生物质和蒽或二乙烯基苯电荷载体转移物质的多层电子照相元件

    公开(公告)号：US4439506A

    公开(公告)日：1984-03-27

    申请号：US380849

    申请日：1982-05-21

    申请人： Masafumi Ohta ,  Masaomi Sasaki

    发明人： Masafumi Ohta ,  Masaomi Sasaki

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0674 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0688

    摘要： An electrophotographic element comprising an electrically conductive substrate, a charge carrier generating layer and a charge transfer layer superimposed on said substrate, wherein said charge carrier generating layer contains a trisazo compound having the general formula (I): ##STR1## (wherein, Ar represents ##STR2## and said charge transfer layer contains a charge transfer substance having the general formula (II) or (III): ##STR3## (wherein, R.sup.1 represents a hydrogen or halogen atom, R.sup.2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a dialkylamino group, or a substituted or non-substituted diaralkylamino group, and R.sup.3 represents hydrogen, an alkyl group or a halogen atom.) ##STR4## (wherein, R.sup.4 represents a carbazolyl group, a pyridyl group, a thienyl group, an indolyl group, a furyl group or a substituted or non-substituted phenyl, styryl, naphthyl or anthryl group, said substituent being one selected from the group consisting of dialkylamino, alkyl, alkoxyl, halogen atom, aralkylamino, N-alkyl-N-aralkylamino and amino groups.)and a binder.

    摘要翻译： 一种电子照相元件，包括导电衬底，电荷载体产生层和叠加在所述衬底上的电荷转移层，其中所述电荷载体产生层含有具有通式（I）的三偶氮化合物：其中Ar表示 并且所述电荷转移层包含具有通式（II）或（III）的电荷转移物质：其中，R 1表示氢或卤原子，R 2表示 氢，具有1至4个碳原子的烷基，具有1至4个碳原子的烷氧基，二烷基氨基或取代或未取代的二芳烷基氨基，R 3表示氢，烷基或卤素原子。 （III）（其中，R4表示咔唑基，吡啶基，噻吩基，吲哚基，呋喃基或取代或未取代的苯基，苯乙烯基，萘基或蒽基，所述取代基是一个 选择 由二烷基氨基，烷基，烷氧基，卤素原子，芳烷基氨基，N-烷基-N-芳烷基氨基和氨基组成的组）和粘合剂。

    Electrophotographic sensitive materials containing disazo compounds
    76.
    发明授权
    Electrophotographic sensitive materials containing disazo compounds 失效
    含有双偶氮化合物的电子照相感光材料

    公开(公告)号：US4314015A

    公开(公告)日：1982-02-02

    申请号：US218382

    申请日：1980-12-19

    申请人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

    发明人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

    IPC分类号： C09B35/02 ,  C09B35/039 ,  G03G5/06

    CPC分类号： G03G5/0679 ,  C09B35/02 ,  C09B35/039 ,  G03G5/0681 ,  G03G5/0683

    摘要： The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingredient, which is selected from the group consisting of disazo pigments expressed by the following general formulas I, II, III, and IV, ##STR1## [(wherein A is selected from the group consisting of ##STR2## is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran, etc. and their substituents, Ar.sub.2 and Ar.sub.3 are selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 are selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 is selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)].

    摘要翻译： 本发明提供具有高灵敏度和高柔性的电子照相感光材料，其包含导电性支持体和形成在其上的感光层，所述感光层含有一种双偶氮颜料作为有效成分，其选自： 通式I表示的双偶氮颜料：通式I：通式II：通用化学式III：通式IV：其中A为 选自（其中X选自芳环如苯环，萘环等，杂环如吲哚环，咔唑环，苯并呋喃环等及其取代基 Ar1选自苯环，萘环等芳香环，二苯并呋喃等杂环及其取代基，Ar2和Ar3选自 由芳环如苯环，萘环等及其取代基组成的组，R 1和R 3选自氢，低级烷基或苯基及其取代基，R 2选自 低级烷基，羧基及其酯）]。

    Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate
    78.
    发明授权
    Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate 失效
    电子照相印刷原版和电子版制版工艺采用印刷原版

    公开(公告)号：US4596754A

    公开(公告)日：1986-06-24

    申请号：US726363

    申请日：1985-04-23

    申请人： Kyoji Tsutsui ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    发明人： Kyoji Tsutsui ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    IPC分类号： C09B35/021 ,  G03G5/047 ,  G03G5/06 ,  G03G5/14

    CPC分类号： G03G5/0685 ,  C09B35/021 ,  G03G5/047 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0683

    摘要： An electrophotographic printing original plate is disclosed, which comprises an electroconductive support material and an electrophotographic photosensitive layer formed thereon, which electrophotographic photosensitive layer comprises (i) a charge generation layer consisting essentially of a particular azo pigment serving as a charge generating material and (ii) a charge transport layer consisting essentially of a charge transporting material and an alkali-soluble resin; and an electrophotographic printing plate making process using the above printing original plate is also disclosed, which comprises the steps of electrically charging uniformly the above printing original plate, exposing the charged printing original plate to optical images to form latent electrostatic images thereon, developing the latent electrostatic images with toner, fixing the toner images to the printing original plate, and removing the electrophotographic photosensitive layer portions corresponding to the non-image areas of the printing original plate by dissolving the photosensitive layer portions in a dissolving liquid, thereby making a printing plate.

    摘要翻译： 公开了一种电子照相印刷原版，其包括导电支撑材料和形成在其上的电子照相感光层，该电子照相感光层包含（i）基本上由用作电荷产生材料的特定偶氮颜料组成的电荷产生层和（ii ）电荷传输层，其主要由电荷输送材料和碱溶性树脂组成; 并且还公开了使用上述印刷原版的电子照相印版制作方法，其包括以下步骤：均匀地对上述印刷原版进行充电，将带电印刷原版曝光于光学图像上以在其上形成静电图像， 用调色剂静电图像，将调色剂图像固定到印刷原版上，并通过将感光层部分溶解在溶解液中来除去与印刷原版的非图像区域对应的电照相感光层部分，从而制成印版 。

    Electrophotographic photoconductor
    79.
    发明授权
    Electrophotographic photoconductor 失效
    电子照相感光体

    公开(公告)号：US4365014A

    公开(公告)日：1982-12-21

    申请号：US79406

    申请日：1979-09-27

    申请人： Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    发明人： Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    IPC分类号： G03G5/06 ,  G03G5/14

    CPC分类号： G03G5/0629

    摘要： An electrophotographic photoconductor is prepared by forming a photoconductive layer containing a hydrazone compound therein on an electroconductive support member. The hydrazone compounds represented by the following general formula, are useful as photoconductive materials and as charge transport materials for use in electrophotography: ##STR1## wherein R.sub.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group, or a 2-chloroethyl group, and R.sub.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group.

    摘要翻译： 通过在导电性支持体上形成含有腙化合物的感光层来制备电子照相感光体。 由以下通式表示的腙化合物可用作光电导材料和用作电子照相术的电荷传输材料：其中R1表示甲基，乙基，2-羟基乙基或2-氯乙基 基团，R 2表示甲基，乙基，苄基或苯基。

    Electrophotographic elements containing disazo compounds
    80.
    发明授权
    Electrophotographic elements containing disazo compounds 失效
    含有双偶氮化合物的电子照相元件

    公开(公告)号：US4293628A

    公开(公告)日：1981-10-06

    申请号：US872679

    申请日：1978-01-26

    申请人： Mitsuru Hashimoto ,  Masafumi Ohta ,  Akio Kozima ,  Kiyoshi Sakai ,  Masaomi Sasaki

    发明人： Mitsuru Hashimoto ,  Masafumi Ohta ,  Akio Kozima ,  Kiyoshi Sakai ,  Masaomi Sasaki

    IPC分类号： C09B35/34 ,  G03G5/06

    CPC分类号： C09B35/34 ,  G03G5/0681

    摘要： The present invention provides disazo compounds expressed by the general formula ##STR1## [wherein A represents ##STR2## (wherein R represents alkyl radical, alkoxy radical, nitro radical, dialkylamino radical or halogen, n is 0 or an integer ranging from 1 to 3, and R may be identical or different when n is an integer of 2 or 3)]; a process for the preparation of said compounds; and photosensitive materials having a high sensitivity as well as a high flexibility which comprises a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing a disazo pigment, as an effective ingredient, which is expressed by the general formula ##STR3## [wherein R' represents a member selected from the group consisting of hydrogen, ethyl radical, chloroethyl radical and hydroxyethyl radical, A' represents a member selected from the group consisting of ##STR4## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., heterocyclic rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., heterocyclic rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent respectively a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 represent respectively a member selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents, and R.sub.2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)].

    摘要翻译： 本发明提供由通式 [其中A表示“（其中R表示烷基，烷氧基，硝基，二烷基氨基或卤素，n为0或1至3的整数）表示的双偶氮化合物 当n为2或3的整数时，R可以相同或不同）]; 一种制备所述化合物的方法; 以及具有高灵敏度的感光材料以及包含导电性支持体和形成在其上的感光层的高柔性，所述感光层含有双偶氮颜料作为有效成分，其通过通式[表示] [其中 R'表示选自氢，乙基，氯乙基和羟乙基的成员，A'表示选自下列的成员：其中X表示选自芳环的成员 苯环，萘环等杂环，吲哚环，咔唑环，苯并呋喃环等杂环及其取代基，Ar1表示选自苯环，萘环等芳香族的基团， 等等，杂环如二苯并呋喃环等及其取代基，Ar2和Ar3分别表示选自 由苯环，萘环等芳香环和它们的取代基组成的基团，R1和R3分别表示选自氢，低级烷基或苯基及其取代基的成员，R2表示选自 由低级烷基，羧基和它们的酯组成的组）]。