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    Black ink for inkjet recording and inkjet recording method
    2.
    发明授权
    Black ink for inkjet recording and inkjet recording method 有权
    黑色墨水用于喷墨记录和喷墨记录方法

    公开(公告)号：US07303272B2

    公开(公告)日：2007-12-04

    申请号：US10528772

    申请日：2003-07-01

    申请人： Toshiki Taguchi ,  Takashi Ozawa ,  Toshiaki Aono ,  Yoshiharu Yabuki ,  Tomohiro Chino

    发明人： Toshiki Taguchi ,  Takashi Ozawa ,  Toshiaki Aono ,  Yoshiharu Yabuki ,  Tomohiro Chino

    IPC分类号： G01D11/00

    CPC分类号： C09D11/328

    摘要： A black ink for inkjet recording having an aqueous medium containing a dye in which λmax of the absorption spectrum in an aqueous solution is in the region from 500 and 700 nm and the half-value width in the absorption spectrum of a dilute solution standardized to an absorbance of 1.0 is 100 nm or more. An object of the present invention is to provide an inkjet recording ink ensuring excellent discharge stability even after aging of the ink and also exhibiting excellent weather resistance.

    摘要翻译： 一种用于喷墨记录的黑色油墨，其具有含有水溶液的水性介质，其中水溶液中吸收光谱的拉姆达克在500和700nm的范围内，稀释溶液的吸收光谱中的半值宽度标准化为 1.0的吸光度为100nm以上。 本发明的目的是提供即使在油墨老化之后也确保优异的喷射稳定性并且还具有优异的耐候性的喷墨记录油墨。

    Black ink for inkjet recording
    3.
    发明授权
    Black ink for inkjet recording 有权
    用于喷墨记录的黑色墨水

    公开(公告)号：US07048790B2

    公开(公告)日：2006-05-23

    申请号：US10671729

    申请日：2003-09-29

    申请人： Toshiki Taguchi ,  Toshiaki Aono

    发明人： Toshiki Taguchi ,  Toshiaki Aono

    IPC分类号： C09D11/02

    CPC分类号： C09D11/328

    摘要： Provided is a black ink for inkjet recording obtained by dissolving and/or dispersing, in an aqueous medium, at least one black azo dye having a specific property or structure and further containing at least one metal chelating agent, which is excellent in durability of image including image quality and discharge property even after the ink is filled in an ink cassette and stored for a long period of time while being set in a printer.

    摘要翻译： 提供一种用于喷墨记录的黑色油墨，其通过在水性介质中溶解和/或分散至少一种具有特定性质或结构的黑色偶氮染料，并且还含有至少一种金属螯合剂，其具有优异的图像耐久性 即使在墨水被填充到墨盒中并且在设置在打印机中的情况下长时间存储时，也包括图像质量和放电特性。

    Black ink for inkjet recording and inkjet recording method
    4.
    发明申请
    Black ink for inkjet recording and inkjet recording method 有权
    黑色墨水用于喷墨记录和喷墨记录方法

    公开(公告)号：US20060044375A1

    公开(公告)日：2006-03-02

    申请号：US10528772

    申请日：2003-07-01

    申请人： Toshiki Taguchi ,  Takashi Ozawa ,  Toshiaki Aono ,  Yoshiharu Yabuki ,  Tomohiro Chino

    发明人： Toshiki Taguchi ,  Takashi Ozawa ,  Toshiaki Aono ,  Yoshiharu Yabuki ,  Tomohiro Chino

    IPC分类号： G01D11/00

    CPC分类号： C09D11/328

    摘要： An object of the present invention is to provide an inkjet recording ink ensuring excellent discharge stability even after aging of the ink and also exhibiting excellent weather resistance. This object of the present invention can be attained by a black ink for inkjet recording, comprising an aqueous medium containing a dye in which λmax of the absorption spectrum in an aqueous solution is in the region from 500 and 700 nm and the standardized half-value width thereof is 100 nm or more. The aqueous ink of the present invention is more enhanced in the discharge stability and weather resistance when the dye contained in the ink, particularly, the dye having the above-described spectral characteristics, is a dye having an oxidation potential of 1.0 V vs SCE or more, 2) a dye having a discoloration rate constant of 5.0×10−2 Hr−1 or less, 3) a dye where the maximum value/minimum value ratio of discoloration rate constants of three colors is 1.2 or less, 4) a dye represented by formula (1), 4) a dye containing a compound of formula (A), 5) a dye containing a high boiling point water-miscible organic solvent, 6) particularly a dye containing 20 mass % or more of a water-miscible organic solvent having a boiling point of 100° C. or more and 2 mass % or less of a compound of formula (A), and 7) a dye containing a high boiling point water-miscible solvent and a low boiling point water-miscible solvent. The inkjet recording ink of the present invention is an ink capable of ensuring pictorial quality with no loosening in the gradation of neutral gray even by visual evaluation.

    摘要翻译： 本发明的目的是提供即使在油墨老化之后也确保优异的喷射稳定性并且还具有优异的耐候性的喷墨记录油墨。 本发明的目的可以通过一种用于喷墨记录的黑色油墨来实现，该黑色油墨包括含有一种染料的水性介质，其中在水溶液中的吸收光谱的lambdamax在500和700nm的范围内，标准化的半值 其宽度为100nm以上。 当包含在油墨中的染料，特别是具有上述光谱特性的染料是具有1.0V的氧化电位的染料与SCE相比时，本发明的水性油墨的放电稳定性和耐候性更强， 更多，2）染色速率常数为5.0×10 -2 H -1以下的染料，3）染料，其中最大值/最小值比值变色 三种颜色的速率常数为1.2以下，4）由式（1）表示的染料，4）含有式（A）化合物的染料，5）含有高沸点水混溶性有机溶剂的染料6 ）特别是含有20质量％以上的沸点为100℃以上且2质量％以下的水溶性有机溶剂的式（A）化合物的染料，以及7）含有 高沸点水溶性溶剂和低沸点水溶性溶剂。 本发明的喷墨记录油墨是即使通过目视评价也能够确保中性灰色的灰度等级而不会松动的画质。

    Recording medium, ink composition and recording method using the same
    8.
    发明授权
    Recording medium, ink composition and recording method using the same 失效
    记录介质，油墨组成和使用其的记录方法

    公开(公告)号：US07923083B2

    公开(公告)日：2011-04-12

    申请号：US11157078

    申请日：2005-06-21

    申请人： Kaoru Tojo ,  Toshiki Taguchi ,  Yoshiharu Yabuki ,  Makoto Suzuki

    发明人： Kaoru Tojo ,  Toshiki Taguchi ,  Yoshiharu Yabuki ,  Makoto Suzuki

    IPC分类号： B41M5/40

    CPC分类号： C09D11/40 ,  B41M5/5227 ,  B41M2205/28 ,  C09D11/32 ,  C09D11/322

    摘要： A recording medium containing a substantially colorless compound in which at least 10 atoms having conjugate π electrons are present on a per-molecule basis, wherein it is especially preferable that the compound has at least two aromatic ring groups and/or shows no fluorescence. An ink composition used for printing in image form on media, with the composition containing a dye and controlling a hue change caused in the printed images over a period of one hour immediately after the printing to 5 or below in color-difference terms. And a method of recording images on media by printing an ink composition in image form, wherein the ink composition contains a dye and a hue change caused in the printed images over a period of one hour immediately after the printing is controlled to 5 or below in color-difference terms.

    摘要翻译： 含有基本上无色的化合物的记录介质，其中至少10个具有共轭键的原子; 电子在每个分子的基础上存在，其中特别优选该化合物具有至少两个芳环基和/或不显示荧光。 用于在介质上以图像形式印刷的油墨组合物，其组合物含有染料，并且在印刷后立即将印刷图像中的色调变化控制在5或更低的色差条件下。 以及通过以图像形式印刷油墨组合物来在介质上记录图像的方法，其中在打印被控制到5或更低之后，油墨组合物在短时间内将打印图像中的染料和色调变化在1小时内引起 色差项。

    Inkjet black ink
    10.
    发明授权
    Inkjet black ink 失效
    喷墨黑色墨水

    公开(公告)号：US07211133B2

    公开(公告)日：2007-05-01

    申请号：US10714945

    申请日：2003-11-18

    申请人： Toshiki Taguchi

    发明人： Toshiki Taguchi

    IPC分类号： C09D11/02

    CPC分类号： C09D11/32 ,  C09D11/40

    摘要： The invention provides an inkjet black ink ensuring excellent image durability capable of satisfactorily maintaining the image quality such as non-loosening of black and gradation even when the image is stored for a long period of time, which is a inkjet black ink having a discoloration rate constant (kvis) of 5.0×10−2 [hour−1] or less, which is measured by using an ozone gas, the ink comprising an aqueous medium having dissolved or dispersed therein at least one dye selected from (1) an azo dye having a specific structure where a heterocyclic group is bonded to both of two N atoms, (2) a phthalocyanine dye having a specific structure, (3) an azo dye having a specific structure where a 5-membered heterocyclic group is bonded to one of two N atoms and a 6-membered 2-amino heterocyclic group is bonded to the other, and (4) a bisazo dye constituted by a specific aromatic or heterocyclic group and an azo group.

    摘要翻译： 本发明提供了一种喷墨黑色墨水，确保了出色的图像耐久性，即使当图像长时间存储时，也能够令人满意地保持图像质量，例如黑色和灰度的不松动，这是具有变色率的喷墨黑色墨水 通过使用臭氧气体测量的5.0×10 -2 /小时-1小于等于或更小的常数（k vis vis），油墨 包括溶解或分散有至少一种选自（1）具有特定结构的偶氮染料的水性介质，其中杂环基与两个N原子结合，（2）具有特定结构的酞菁染料（ 3）具有特殊结构的偶氮染料，其中5元杂环基与两个N原子中的一个键合并且6元2-氨基杂环基彼此键合，和（4）双偶氮染料，其由 特定的芳族或杂环基团和偶氮基团。