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    • 5. 发明授权
    • Ink set
    • 油墨套
    • US07462231B2
    • 2008-12-09
    • US11732082
    • 2007-04-02
    • Shuichi KoganehiraHironori SatoAkira Mizutani
    • Shuichi KoganehiraHironori SatoAkira Mizutani
    • C09D11/02
    • C09D11/38C09D11/322C09D11/40
    • An ink set, including at least three colors of ink consisting of a yellow ink, in which the hue angle ∠H° defined in the CIELAB color space on a recording medium is within the range of about 80° C. to about 110° C., magenta ink, in which the hue angle ∠H° is within the range of about 330° to about 360°, and a cyan ink, in which the hue angle ∠H° is within the range of about 230° to about 260°, and the following ink (A) and the following ink (B): ink (A): ink in which the hue angle ∠H° is within the range of about 0° to about 80°; and, ink (B): ink in which the hue angle ∠H° is within the range of about 0° to about 80° (wherein, the ink (A) has higher chroma and lower brightness than the magenta ink, the ink (B) has higher chroma and higher brightness than the magenta ink and has higher chroma and lower brightness than the yellow ink, the hue angle (∠H°) is determined according to ∠H°=tan−1(b*/a*) +180 (when a* 0), and a* and b* represent a perceptive chromaticity index in the CIELAB color space).
    • 包括由黄色墨水组成的至少三种颜色的墨水组合,其中在记录介质上的CIELAB色彩空间中限定的色调角∠H°在约80℃至约110℃的范围内 其中色相角∠H°在约330°至约360°的范围内的品红色油墨和色调角∠H°在约230°至约260°范围内的青色油墨 °,以下油墨(A)和以下油墨(B):油墨(A):色调角∠H°在约0°〜约80°的范围内的油墨; 油墨(B):其中色调角∠H°在约0°至约80°的范围内的油墨(其中,油墨(A)的色度和品红色油墨的亮度较高,油墨( B)具有比品红色油墨更高的色度和更高的亮度,并且具有比黄色油墨更高的色度和更低的亮度,根据∠H°= tan-1(b * / a *)确定色调角(∠H°) +180(当a * <0)时,或根据∠H°= tan-1(b * / a *)+ 360(当a *> 0时),a *和b *表示CIELAB中的感知色度指数 颜色空间)。
    • 6. 发明申请
    • Ink composition for ink jet recording, recording method, and recorded matter
    • 用于喷墨记录的墨组合物,记录方法和记录物
    • US20080213548A1
    • 2008-09-04
    • US12011445
    • 2008-01-25
    • Shuichi KoganehiraHironori SatoAkira Mizutani
    • Shuichi KoganehiraHironori SatoAkira Mizutani
    • C09D11/02B05D5/00
    • C09D11/40C09D11/322Y10T428/24802
    • There is provided an ink composition for ink jet recording, which can yield images having excellent gloss with good color reproduction even on various recording media having a low level of water absorption, especially synthetic paper and printing paper for running-on. The ink composition for ink jet recording comprises a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water-soluble 1,2-alkanediol, a poor water-soluble 1,2-alkanediol, and a poor water-soluble both terminal alkanediol, and the alkanediol satisfies a requirement on a weight basis of A:(B+C)=2:1 to 2:3 wherein A represents the content of the water-soluble 1,2-alkanediol in the alkanediol; B represents the content of the poor water-soluble 1,2-alkanediol in the alkanediol; and C represents the content of the poor water-soluble both terminal alkanediol in the alkanediol.
    • 提供了一种用于喷墨记录的油墨组合物,即使在具有低水平吸收水平的各种记录介质,特别是合成纸和用于运行的打印纸上,也可以产生具有良好的颜色再现的优异光泽的图像。 用于喷墨记录的油墨组合物包括着色剂,水,链烷二醇和表面活性剂,其中链烷二醇包括水溶性1,2-链烷二醇,不良的水溶性1,2-链烷二醇, 可溶性末端链烷二醇和链烷二醇满足A:(B + C)= 2:1〜2:3的重量基准要求,其中A表示链烷二醇中的水溶性1,2-链烷二醇的含量; B表示链烷二醇中不良的水溶性1,2-链烷二醇的含量; C表示链烷二醇中不良水溶性末端链烷二醇的含量。
    • 8. 发明申请
    • Yellow ink composition, ink set, and recording method, recording system and recorded matter which use the ink composition and ink set
    • 黄色油墨组合物,油墨组合和记录方法,使用油墨组合物和油墨组的记录系统和记录物质
    • US20050248643A1
    • 2005-11-10
    • US11116947
    • 2005-04-28
    • Shuichi KoganehiraHironori Sato
    • Shuichi KoganehiraHironori Sato
    • C09D11/00G01D11/00
    • C09D11/40C09D11/322
    • It is an object of the present invention to provide a yellow ink composition which is superior in terms of color reproducibility not only in the high-brightness (high-L*) region, but also in the low-brightness yellow region, i.e., in the region of “low L*, a* close to zero, and high b*”, and an ink set equipped with a yellow ink which has a brightness that is high enough that graininess can be sufficiently suppressed, and which is also superior in terms of color reproducibility in the low-brightness yellow region, i.e., in the region of “low L*, a* close to zero, and high b*”. The present invention provides a yellow ink composition in which the Y value is 86 or greater when the Z value in the XYZ display system stipulated by the CIE is 23. Furthermore, the present invention also provides a yellow ink composition which contains a metal complex pigment. In particular, the yellow ink composition of the present invention can express a low-brightness yellow color with good reproducibility. Moreover, the present invention provides an ink set containing a yellow ink in which the Y value is 86 or greater when the Z value in the XYZ display system stipulated by the CIE is 23, as calculated from the ultraviolet-visible transmission spectrum of an aqueous solution diluted 10,000 times by weight or lower.
    • 本发明的目的是提供一种黄色油墨组合物,其不仅在高亮度(高-L *)区域中,而且在低亮度黄色区域,即在 “低L *,a *接近零”和“高b *”的区域,以及具有黄色油墨的油墨组,其具有足够高的亮度,可以充分抑制颗粒度,并且其也优于 低亮度黄色区域的颜色再现性项,即“低L *,a *接近零,高b *”的区域。 本发明提供了当由CIE规定的XYZ显示系统中的Z值为23时Y值为86以上的黄色油墨组合物。此外,本发明还提供一种黄色油墨组合物,其含有金属络合物颜料 。 特别地,本发明的黄色油墨组合物可以以良好的再现性表现出低亮度的黄色。 此外,本发明提供一种含有黄色油墨的油墨组合物,其中当CIE规定的XYZ显示系统中的Z值为23时Y值为86以上,由紫外 - 可见透射光谱 溶液稀释10,000倍以下。