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    • 2. 发明授权
    • Recording medium, ink composition and recording method using the same
    • 记录介质,油墨组成和使用其的记录方法
    • US07923083B2
    • 2011-04-12
    • US11157078
    • 2005-06-21
    • Kaoru TojoToshiki TaguchiYoshiharu YabukiMakoto Suzuki
    • Kaoru TojoToshiki TaguchiYoshiharu YabukiMakoto Suzuki
    • B41M5/40
    • C09D11/40B41M5/5227B41M2205/28C09D11/32C09D11/322
    • 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.
    • 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。
    • 4. 发明授权
    • Inkjet black ink
    • 喷墨黑色墨水
    • US07211133B2
    • 2007-05-01
    • US10714945
    • 2003-11-18
    • Toshiki Taguchi
    • Toshiki Taguchi
    • C09D11/02
    • C09D11/32C09D11/40
    • 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.
    • 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。
    • 8. 发明授权
    • Ink for ink jet recording and ink jet recording process
    • 墨水用于喷墨记录和喷墨记录过程
    • US07025818B2
    • 2006-04-11
    • US10611990
    • 2003-07-03
    • Akio MiyamotoToshiki Taguchi
    • Akio MiyamotoToshiki Taguchi
    • C09D11/02
    • C09D11/328
    • The present invention provides an ink for ink jet recording, in which the formation of a high-quality image is possible, image keeping quality is excellent, the ink is not dried at an ink jet head, and ejection stability is high, wherein the ink for ink jet recording comprises: at least one dye having a specific structure, in which the at least one dye is dissolved or dispersed in an aqueous medium; and a betaine surfactant, wherein, when the ink has been shaken 30 times or more for 10 seconds and allowed to stand for 3 minutes, a bubble height in the ink is 30 mm or less.
    • 本发明提供一种用于喷墨记录的油墨,其中形成高质量图像是可能的,图像保持质量优异,油墨在喷墨头处不被干燥,并且喷射稳定性高,其中油墨 用于喷墨记录的方法包括:至少一种具有特定结构的染料,其中所述至少一种染料溶于或分散在水性介质中; 和甜菜碱表面活性剂,其中,当油墨已经振动30次以上10秒钟并静置3分钟时,油墨中的气泡高度为30mm以下。