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    INK COMPOSITION, METHOD OF INK-JET RECORDING WITH THE SAME, AND PRINT
    2.
    发明公开
    INK COMPOSITION, METHOD OF INK-JET RECORDING WITH THE SAME, AND PRINT 有权
    墨水组合物，用它马赫喷墨记录和打印电流法

    公开(公告)号：EP1749864A1

    公开(公告)日：2007-02-07

    申请号：EP05743866.5

    申请日：2005-05-25

    申请人： SEIKO EPSON CORPORATION

    发明人： HANMURA, Masahiro ,  KITAMURA, Kazuhiko ,  OKI, Yasuhiro

    IPC分类号： C09D11/00 ,  B41M5/00

    CPC分类号： C09D11/38 ,  C09D11/328

    摘要： Problem: To improve clogging and ink droplet deflection. Solving Means: An ink composition comprising at least water, a colorant and an aromatic compound having a carboxyl group, which contains at least one member selected from the group consisting of a sodium ion, a potassium ion and an ammonium ion and also contains a lithium ion. Alternatively, an ink composition comprising at least water, a specific cyan dye and an aromatic compound having a carboxyl group, which contains a lithium ion and also contains a sodium ion and/or a potassium ion.

    摘要翻译： 问题：为了提高堵塞和墨滴偏转。 解决手段：一种油墨组合物至少包含水，着色剂和具有羧基基团，其含有选自钠离子中选出的至少一个成员的芳族化合物的，钾离子和铵离子，并因此含有锂 离子。 或者，为了油墨组合物至少包含水，特定的青色染料具有羧基基团，其含有锂离子，因此芳族化合物和含有钠离子和/或钾离子。

    INK COMPOSITION, METHOD OF INK-JET RECORDING, AND PRINT
    7.
    发明公开
    INK COMPOSITION, METHOD OF INK-JET RECORDING, AND PRINT 有权
    墨水组合物，喷墨印刷及设备

    公开(公告)号：EP1577355A1

    公开(公告)日：2005-09-21

    申请号：EP04788256.8

    申请日：2004-09-28

    申请人： SEIKO EPSON CORPORATION

    发明人： OKI, Yasuhiro ,  KITAMURA, Kazuhiko ,  HAYASHI, Hiroko

    IPC分类号： C09D11/00

    CPC分类号： C09D11/328

    摘要： It is an object of the present invention to provide an ink composition using a metal phthalocyanine type cyan dye, according to which the indoor storability (gas resistance) of images created using the ink composition can be improved. The present invention provides an ink composition containing water, metal phthalocyanine type cyan dye, and aromatic compound having a sulfo group and/or salt thereof represented by undermentioned general formula (1) and/or (2). Moreover, the present invention provides an ink jet recording method comprising carrying out recording by discharging droplets of an ink composition and attaching the droplets to a recording medium, wherein the ink jet recording method uses an ink composition as described above as the ink composition. Furthermore, the present invention provides a recorded article characterized by being obtained by recording using an ink composition as described above.
    (In the formula, M 1 represents a counter ion forming a salt, X represents an integer from 1 to 3, and R 1 and R 2 each represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms, and R 1 and R 2 may be the same or different.)
    (In the formula, M 2 represents a counter ion forming a salt, Y represents an integer from 1 to 4, and R 3 and R 4 each represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms, and R 3 and R 4 may be the same or different.)