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    Erasable image forming material
    2.
    发明授权
    Erasable image forming material 失效
    可擦写成像材料

    公开(公告)号：US06248692B1

    公开(公告)日：2001-06-19

    申请号：US09391366

    申请日：1999-09-08

    申请人： Kenji Sano ,  Satoshi Takayama ,  Shigeru Machida

    发明人： Kenji Sano ,  Satoshi Takayama ,  Shigeru Machida

    IPC分类号： B41M5128

    CPC分类号： B41M5/305

    摘要： An erasable image forming material includes a color former, a developer, and a decolorizer and is erasable by contact with an erase solvent. Free energy &agr; required for the decolorizer and the developer to form a complex and free energy &bgr; required for the color former and the developer to form a complex have a relationship represented by &agr;≦&bgr;≦10 Kcal/mol.

    摘要翻译： 可擦除成像材料包括成色剂，显影剂和消色剂，并且可通过与擦除溶剂接触而被擦除。 消色剂和显色剂所需的自由能α形成配色剂和显色剂形成络合物所需的复合物和自由能β具有由α<=β= 10Kcal / mol表示的关系。

    Decolorizable ink and printer
    3.
    发明授权
    Decolorizable ink and printer 失效
    可脱色油墨和打印机

    公开(公告)号：US6017386A

    公开(公告)日：2000-01-25

    申请号：US235476

    申请日：1999-01-22

    申请人： Kenji Sano ,  Katsuyuki Naito ,  Satoshi Takayama ,  Sawako Fujioka ,  Tetsuo Okuyama ,  Shigeru Machida

    发明人： Kenji Sano ,  Katsuyuki Naito ,  Satoshi Takayama ,  Sawako Fujioka ,  Tetsuo Okuyama ,  Shigeru Machida

    IPC分类号： C09D11/00

    CPC分类号： C09D11/50

    摘要： A decolorizable image forming material comprising a color former, a developer and a decolorizer, the decolorizer comprising a highly amorphous phase separation inhibitor and a slightly amorphous phase separation inhibitor. A cyclic sugar alcohol is used as the highly amorphous phase separation inhibitor, and a non-aromatic cyclic compound having five-membered or larger ring substituted by a hydroxyl group or a derivative of a cyclic sugar alcohol is used as the slightly amorphous phase separation inhibitor. The decolorizable image forming material can be decolored easily after image formation by a solvent and the decolored state of which can be maintained stably, thereby making it possible to reuse paper sheets.

    摘要翻译： 包含成色剂，显色剂和消色剂的脱色图像形成材料，所述消色剂包含高度无定形相分离抑制剂和微不定形相分离抑制剂。 使用环状糖醇作为高度无定形相分离抑制剂，并且使用由羟基取代的五元环或更多环的环状化合物或环状糖醇衍生物的非芳族环状化合物作为微小的无定形相分离抑制剂 。 可脱色成像材料在通过溶剂成像后可以容易地脱色，并且其脱色状态可以保持稳定，从而可以再利用纸张。

    Decoloring method of decolorizable image forming material
    4.
    发明授权
    Decoloring method of decolorizable image forming material 失效
    脱色成像材料的脱色方法

    公开(公告)号：US06329317B1

    公开(公告)日：2001-12-11

    申请号：US09235332

    申请日：1999-01-22

    申请人： Satoshi Takayama ,  Shigeru Machida ,  Kenji Sano

    发明人： Satoshi Takayama ,  Shigeru Machida ,  Kenji Sano

    IPC分类号： B41M5128

    CPC分类号： G03G21/00 ,  B41M7/0009 ,  G03G9/0928

    摘要： A method of decoloring an image formed on a paper sheet by using an image forming material containing a color former, a developer and a decolorizer, comprising the steps of bringing a solvent into contact with the image forming material for decoloring the image, and removing the residual solvent from the paper sheet.

    摘要翻译： 一种通过使用含有成色剂，显色剂和消色剂的图像形成材料对形成在纸张上的图像进行消色的方法，包括以下步骤：使溶剂与图像形成材料接触，以使图像消色，并除去 来自纸张的残留溶剂。

    Erasable image forming material
    6.
    发明授权
    Erasable image forming material 有权
    可擦写成像材料

    公开(公告)号：US06203603B1

    公开(公告)日：2001-03-20

    申请号：US09365840

    申请日：1999-08-03

    申请人： Satoshi Takayama ,  Shigeru Machida ,  Kenji Sano ,  Koichi Tsunemi ,  Shuitsu Sato

    发明人： Satoshi Takayama ,  Shigeru Machida ,  Kenji Sano ,  Koichi Tsunemi ,  Shuitsu Sato

    IPC分类号： C09D1100

    CPC分类号： C09D11/50 ,  B41M5/128 ,  B41M5/132 ,  B41M7/0009 ,  G03G9/0928

    摘要： An erasable image forming material includes a color former, a developer, a binder resin, and a polymer decolorizer having an electron donating group capable of physically or chemically adsorbing the developer. This polymer decolorizer is, e.g., a polymer compound having a sugar skeleton, representatively starch. This image forming material can form sharp images and erase images by heat or a solvent to achieve a good erased state.

    摘要翻译： 可擦除成像材料包括成色剂，显色剂，粘合剂树脂和具有能够物理或化学吸附显影剂的给电子基团的聚合物消色剂。 该聚合物消色剂是例如具有糖骨架的高分子化合物，代表淀粉。 该图像形成材料可以通过热或溶剂形成清晰的图像并擦除图像以实现良好的擦除状态。

    Paper classification apparatus
    7.
    发明授权
    Paper classification apparatus 失效
    纸分类仪

    公开(公告)号：US06373575B1

    公开(公告)日：2002-04-16

    申请号：US09391344

    申请日：1999-09-08

    申请人： Satoshi Takayama ,  Shigeru Machida

    发明人： Satoshi Takayama ,  Shigeru Machida

    IPC分类号： G01B902

    CPC分类号： G01N21/55 ,  G01N33/34

    摘要： A paper classification apparatus includes a heater for heating paper or a solvent supply unit for supplying a solvent to the paper, a detector, a computer, and a selector guide. The detector detects the reflection density of the paper after being heated or supplied with the solvent. The computer compares the detected reflecting density of the paper with a predetermined reference value stored in a memory. The selector guide classifies the paper on the basis of a comparison result of the reflection density. This apparatus can classify plain paper having an image formed with an ordinary image forming material, plain paper having an image formed with an erasable image forming material, and thermosensible paper.

    摘要翻译： 纸分类装置包括用于加热纸的加热器或用于向纸张供应溶剂的溶剂供应单元，检测器，计算机和选择器引导件。 检测器在加热或提供溶剂后检测纸张的反射浓度。 计算机将检测到的纸张的反射浓度与存储在存储器中的预定参考值进行比较。 选择器指南基于反射密度的比较结果对纸进行分类。 该装置可以分类具有由普通成像材料形成的图像的普通纸，具有由可擦除图像形成材料形成的图像的普通纸和热敏纸。

    Emulsion coloring materials for ink jet printers and methods of producing the same
    8.
    发明授权
    Emulsion coloring materials for ink jet printers and methods of producing the same 有权
    用于喷墨打印机的乳液着色材料及其制造方法

    公开(公告)号：US08771912B2

    公开(公告)日：2014-07-08

    申请号：US12417202

    申请日：2009-04-02

    申请人： Kenji Sano ,  Satoshi Takayama ,  Takeshi Gotanda ,  Yumiko Sekiguchi

    发明人： Kenji Sano ,  Satoshi Takayama ,  Takeshi Gotanda ,  Yumiko Sekiguchi

    IPC分类号： G03G9/00 ,  G03G9/087 ,  G03G9/09

    CPC分类号： G03G9/12 ,  C09D11/32 ,  C09D11/50

    摘要： There is provided an emulsion coloring material which can be used on ordinary paper, has good color developability, and can be used for conventional erasable pens or printing inks of black or blue color, having sufficiently high densities. When use is made of an erasable emulsion coloring material capable of controlling color development and decolorization by the presence or absence of the interaction between a chromatic material and a color developer, the colored emulsion comprising a copolymer resin of at least one unit selected from styrene and styrene derivatives and at least one unit selected from an acrylic acid ester and a methacrylic acid ester having a substituent which comprises a carbon chain having 4 or more carbon atoms, coloring ability can be enhanced.

    摘要翻译： 提供了可以在普通纸上使用的乳液着色材料，具有良好的显色性，并且可以用于具有足够高密度的常规可擦写笔或黑色或蓝色的印刷油墨。 当使用能够通过存在或不存在有色材料和彩色显影剂之间的相互作用来控制显色和脱色的可擦除乳液着色材料时，所述着色乳液包含至少一种选自苯乙烯和 苯乙烯衍生物和至少一种选自丙烯酸酯和具有取代基的甲基丙烯酸酯的单元，所述取代基包含具有4个或更多个碳原子的碳链，可以提高着色能力。

    Image erasing apparatus and image forming apparatus
    10.
    发明授权
    Image erasing apparatus and image forming apparatus 有权
    图像擦除装置和图像形成装置

    公开(公告)号：US08284220B2

    公开(公告)日：2012-10-09

    申请号：US13041596

    申请日：2011-03-07

    申请人： Satoshi Takayama ,  Takeshi Gotanda ,  Yumiko Sekiguchi ,  Kenji Sano

    发明人： Satoshi Takayama ,  Takeshi Gotanda ,  Yumiko Sekiguchi ,  Kenji Sano

    IPC分类号： B41J2/32

    CPC分类号： G03G15/10 ,  B41J2/32 ,  B41J2202/37 ,  G03G21/00 ,  G03G21/203 ,  G03G2215/0043

    摘要： According to one embodiment, an image erasing apparatus decolors an image printed on a paper sheet using an ink containing at least a leuco dye, a developer, water, a water-soluble organic solvent, and a surfactant. The image erasing apparatus includes a heating unit, a feedback mechanism, and a control unit. The heating unit heats the paper sheet. The feedback mechanism supplies the paper sheet heated by the heating unit to the heating unit again. The control unit causes the feedback mechanism to supply the paper sheet to the heating unit a plurality of times so as to heat the paper sheet a plurality of times.

    摘要翻译： 根据一个实施例，图像擦除装置使用至少含有无色染料，显影剂，水，水溶性有机溶剂和表面活性剂的油墨来对使用了纸张上印刷的图像进行脱色。 图像擦除装置包括加热单元，反馈机构和控制单元。 加热单元加热纸张。 反馈机构将由加热单元加热的纸张再次提供给加热单元。 控制单元使得反馈机构将纸张多次供给到加热单元，以便多次加热纸张。