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    Electrophotographic photoconductor
    62.
    发明授权
    Electrophotographic photoconductor 失效
    电子照相感光体

    公开(公告)号：US4454212A

    公开(公告)日：1984-06-12

    申请号：US418348

    申请日：1982-09-15

    Applicant: Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    Inventor： Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

    IPC: G03G5/06 ,  G03G5/14

    CPC classification number: G03G5/0629

    Abstract: 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.

    Abstract translation: 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。

    Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance
    63.
    发明授权
    Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance 失效
    含有三偶氮电荷载体生成物质和腙电荷载体转移物质的多层电子照相元件

    公开(公告)号：US4436800A

    公开(公告)日：1984-03-13

    申请号：US379686

    申请日：1982-05-19

    Applicant: Masafumi Ohta ,  Kiyoshi Sakai

    Inventor： Masafumi Ohta ,  Kiyoshi Sakai

    IPC: C09B26/02 ,  C09B35/378 ,  G03G5/06

    CPC classification number: C09B26/02 ,  C09B35/378 ,  G03G5/0688

    Abstract: 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.sup.1 represents a substituted or unsubstituted phenyl radicalandsaid charge transfer layer contains a hydrazone compound having the general formula (II), (III), (IV), or (V): ##STR2## (wherein, R.sup.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group or a 2-chloroethyl group, R.sup.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group, and R.sup.3 represents hydrogen, chlorine, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a dialkylamino group or a nitro group.), ##STR3## (wherein, Ar.sup.2 represents a naphthalene ring, an anthracene ring, a styryl group and their substituents, or a pyridine ring, a furan ring or a thiophene ring, and R.sup.4 represents an alkyl group or a benzyl group.), ##STR4## (wherein, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each represents hydrogen, an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms, a dialkyl group or a dibenzylamino group, and R.sup.9 represents an alkyl group or a benzyl group.), ##STR5## (wherein, R.sup.10, R.sup.11, R.sup.12 and R.sup.13 each represents hydrogen, an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms, a substituted or non-substituted dialkylamino group, a dibenzylamino group or a halogen atom.), and a binder.

    Abstract translation: 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 ，Ar1表示取代或未取代的苯基，所述电荷转移层含有具有通式（II），（III），（IV）或（V）的腙化合物：其中，R 1表示 甲基，乙基，2-羟基乙基或2-氯乙基，R 2表示甲基，乙基，苄基或苯基，R 3表示氢，氯，烷基，具有1个 至4个碳原子，具有1至4个碳原子的烷氧基，二烷基氨基或硝基。），（III）（其中，Ar2表示萘环，蒽环，苯乙烯基及其取代基 ，或吡啶环，呋喃环或th （IV）（其中，R 5，R 6，R 7和R 8各自表示氢，碳原子数1〜3的烷基，烷氧基，烷氧基， 1〜3个碳原子，二烷基或二苄基氨基，R 9表示烷基或苄基。），（V）（其中，R 10，R 11，R 12和R 13各自表示氢，烷基 具有1至3个碳原子，具有1至3个碳原子的烷氧基，取代或未取代的二烷基氨基，二苄基氨基或卤素原子）和粘合剂。

    3,6-Disazo-9-ethyl carbazole compounds
    64.
    发明授权
    3,6-Disazo-9-ethyl carbazole compounds 失效
    3,6-二氮杂-9-咔唑化合物

    公开(公告)号：US4426327A

    公开(公告)日：1984-01-17

    申请号：US204150

    申请日：1980-11-05

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

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

    IPC: C09B35/34 ,  G03G5/06 ,  C09B35/24 ,  C07D209/88

    CPC classification number: G03G5/0681 ,  C09B35/34

    Abstract: 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)].

    Abstract translation: 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 芳环如苯环，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表示选自芳香环如苯的成员 环，萘环等杂环，二苯并呋喃环等杂环及其取代基，Ar2和Ar3分别表示成员选择 由芳环如苯环，萘环等及其取代基组成，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 选自低级烷基，羧基及其酯的成员）]。

    Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials
    66.
    发明授权
    Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials 失效
    新型双偶氮化合物，其制备方法和所述双偶氮化合物及其类似物应用于电子照相感光材料

    公开(公告)号：US4251614A

    公开(公告)日：1981-02-17

    申请号：US921086

    申请日：1978-06-30

    Applicant: Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

    Inventor： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

    IPC: C09B35/34 ,  G03G5/06

    CPC classification number: C09B35/34 ,  G03G5/0683 ,  G03G5/0685

    Abstract: The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a member 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 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent 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 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)]; a process for the preparation of said compounds; and 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 said disazo compound as an effective ingredient.

    Abstract translation: 本发明提供由以下通式表示的双偶氮化合物：其中A表示选自下列的成员：其中X表示选自以下的成员：芳环如 苯环，萘环等杂环，吲哚环，咔唑环，苯并呋喃环等杂原子及其取代基，Ar 1表示选自苯环，萘环等芳香环的成员 ，诸如二苯并呋喃环等杂环及其取代基，Ar2和Ar3表示选自芳环如苯环，萘环等的基团及其取代基，R 1和R 3表示选自 由氢，低级烷基或苯基组成的组和它们的取代基，R 2表示选自低级烷基，羧基和 酯）]; 一种制备所述化合物的方法; 和具有高灵敏度的电子照相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，所述感光层含有所述双偶氮化合物作为有效成分。

    Electrophotographic sensitive element with benzylamino carbazole charge transfer material
    67.
    发明授权
    Electrophotographic sensitive element with benzylamino carbazole charge transfer material 失效
    电子照相敏感元件与苄基氨基咔唑电荷转移材料

    公开(公告)号：US4209327A

    公开(公告)日：1980-06-24

    申请号：US952007

    申请日：1978-10-17

    Applicant: Masafumi Ohta ,  Kiyoshi Sakai

    Inventor： Masafumi Ohta ,  Kiyoshi Sakai

    IPC: G03G5/04 ,  G03G5/06 ,  H01L51/42 ,  G03G5/14

    CPC classification number: G03G5/06

    Abstract: The present invention provides an electrophotographic sensitive element which comprises an electroconductive support and a photosensitive layer formed thereon and containing some charge-carrier generating pigment and a specific charge transfer substance. Said specific charge transfer substance is just a substance selected from well-known photoconductive substances, but when it is applied in combination with a charge-carrier generating pigment, it renders a photosensitive element having a remarkably improved sensitivity.

    Abstract translation: 本发明提供了一种电子照相感光元件，其包括导电载体和形成在其上的感光层，并含有一些电荷载体产生颜料和特定的电荷转移物质。 所述特定的电荷转移物质仅仅是从众所周知的光电导物质中选出的物质，但是当与电荷载体产生颜料组合使用时，其使感光元件具有显着提高的灵敏度。

    9-Oxo-11.alpha.-methyl-15.EPSILON.-hyroxyprost-13(trans)-enoic acid derivatives and process for the preparaion thereof
    69.
    发明授权
    9-Oxo-11.alpha.-methyl-15.EPSILON.-hyroxyprost-13(trans)-enoic acid derivatives and process for the preparaion thereof 失效
    9-氧代-11 {60-甲基-15 {69-羟基霜霉素-13（反） - 烯酸衍生物及其制备方法

    公开(公告)号：US3996263A

    公开(公告)日：1976-12-07

    申请号：US574376

    申请日：1975-05-05

    Applicant: Kiyoshi Sakai ,  Takashi Yusa ,  Junya Ide ,  Mitsuo Yamazaki ,  Shinsaku Kobayashi

    Inventor： Kiyoshi Sakai ,  Takashi Yusa ,  Junya Ide ,  Mitsuo Yamazaki ,  Shinsaku Kobayashi

    IPC: C07C405/00 ,  C07D307/93 ,  C07D307/935 ,  C07D317/72 ,  C07C177/00

    CPC classification number: C07D307/935 ,  C07C405/00 ,  C07D307/93 ,  C07D317/72

    Abstract: Prostanoic acid derivatives having the formula ##STR1## wherein A represents an alkylene group having from 4 to 8 carbon atoms, R.sup.1 represents an alkyl group having from one to 5 carbon atoms, R.sup.2 and R.sup.3 may be the same or different and each represents hydrogen atom or an alkyl group having from one to 4 carbon atoms and R.sup.4 represents hydrogen atom or an alkyl group having from one to 4 carbon atoms and the pharmaceutically acceptable salts thereof and also relates to a process for the preparation thereof.The compounds are useful as anti-ulcerogenic agents and may be prepared by reducing a compound having the formula ##STR2## wherein A, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same above and Z represents a carbonyl-protecting group to give a compound having the formula ##STR3## wherein A, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z are the same as above and removing the carbonyl-protecting group from the latter compound.

    Abstract translation: 具有式的前列生酸衍生物，其中A表示具有4至8个碳原子的亚烷基，R 1表示具有1至5个碳原子的烷基，R 2和R 3可以相同或不同，各自表示氢原子 或具有1至4个碳原子的烷基和R 4表示氢原子或具有1至4个碳原子的烷基及其药学上可接受的盐，并且涉及其制备方法。

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