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    • 38. 发明授权
    • Ink set, ink cartridge, ink jet printer and recording method
    • 墨盒,墨盒,喷墨打印机和录像方式
    • US07316739B2
    • 2008-01-08
    • US11360611
    • 2006-02-24
    • Toshiki TaguchiYoshiharu YabukiToru HaradaNaotaka Wachi
    • Toshiki TaguchiYoshiharu YabukiToru HaradaNaotaka Wachi
    • C09D11/00C09D11/02B41J2/01
    • C09D11/328C09D11/40
    • The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a λmax of from 390 nm to 470 nm; an I(λmax+70 nm)/I(λmax) ratio of not greater than 0.4, in which I(λmax) is the absorbance at λmax and I(λmax+70 nm) is the absorbance at (λmax+70 nm); and a forced fading rate constant of not greater than 5.0×10−2 [hour−1], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.
    • 本发明的油墨组提供高的喷射稳定性,给出了具有优异的色调,耐光性和防水性的图像,并且在喷墨记录的苛刻条件下提高了图像保存性,其中包含多种油墨的油墨组不同 其中所述多种油墨包括含有着色剂的黄色油墨,所述着色剂是染色剂,所述着色剂具有390nm至470nm的兰姆巴姆; I(lambdamax + 70nm)/ I(lambdamax)比不大于0.4,其中I(lambdamax)是lambdamax和I(lambdamax + 70nm)处的吸光度是(lambdamax + 70nm)处的吸光度; 和强制衰落速率常数不大于5.0×10 -2 [小时-1],其中容纳有墨水组的墨盒,喷墨打印机包括 安装在其中的墨盒和图像记录方法。
    • 39. 发明申请
    • Ink composition
    • 墨水组成
    • US20070146453A1
    • 2007-06-28
    • US10573798
    • 2004-09-30
    • Masahiro HanmuraKazuhiko KitamuraHiroshi FukumotoToshiko FujiwaraYoshiharu Yabuki
    • Masahiro HanmuraKazuhiko KitamuraHiroshi FukumotoToshiko FujiwaraYoshiharu Yabuki
    • G01D11/00C09D11/00C09D11/02
    • C09D11/328
    • Problem to be Solved: To provide an ink composition having high reliability in terms of clogging or the like and compatibly having all of light fastness, gas fastness and moisture resistance. Means to Solve the Problem: An ink composition comprising at least water, at least one member selected from a compound represented by formula (1) shown below and a salt thereof, and at least one member selected from an aromatic compound having a carboxyl group and a salt thereof: Formula (1): In formula (1), A represents a residue of a 5-membered heterocyclic diazo component A-NH2; B1 and B2 each represents —CR1═ or —CR2═, or either one of B1 and B2 represents a nitrogen atom and the other represents —CR1═ or —CR2═; R5 and R6 each independently represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group or the like; and G, R1 and R2 each independently represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group or the like.
    • 要解决的问题:提供在堵塞等方面具有高可靠性的墨水组合物,并且兼具耐光性,耐气候性和耐湿性。 解决问题的方法:一种油墨组合物,其至少包含水,选自下述式(1)表示的化合物及其盐中的至少一种,以及选自具有羧基的芳香族化合物和 其盐:式(1):在式(1)中,A表示5元杂环重氮成分A-NH 2的残基; B 1和B 2各自表示-CR 1或-CR 2 - 或B或B中的任一个 B 1和B 2表示氮原子,而另一个表示-CR 1 - 或-CR 2 - 。 R 5和R 6各自独立地表示氢原子,脂族基团,芳族基团,杂环基等; G,R 1和R 2各自独立地表示氢原子,卤素原子,脂肪族基团,芳香族基团,杂环基等。