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    Decolorizable water-based inkjet ink
    41.
    发明授权
    Decolorizable water-based inkjet ink 有权
    脱色水性喷墨油墨

    公开(公告)号：US08894193B2

    公开(公告)日：2014-11-25

    申请号：US13090413

    申请日：2011-04-20

    申请人： Takayasu Aoki ,  Takafumi Hara ,  Tsuyoshi Itou

    发明人： Takayasu Aoki ,  Takafumi Hara ,  Tsuyoshi Itou

    IPC分类号： C09D11/00 ,  C09D11/38 ,  C09D11/328

    CPC分类号： C09D11/38 ,  C09D11/328

    摘要： According to one embodiment, a decolorizable water-based inkjet ink includes a color material, a solvent, and a nonionic surfactant. The color material contains a color developable compound and a color developing agent, and the solvent contains water and a water-soluble organic solvent. The nonionic surfactant is contained in the ink in an amount of 5 wt % or more of the total amount of the solvent.

    摘要翻译： 根据一个实施方案，可脱色的水性喷墨油墨包括着色材料，溶剂和非离子表面活性剂。 着色材料含有显色性的化合物和显色剂，溶剂含有水和水溶性有机溶剂。 非离子表面活性剂的含量为溶剂总量的5重量％以上。

    AQUEOUS INKJET INK
    43.
    发明申请
    AQUEOUS INKJET INK 审中-公开
    水性喷墨墨水

    公开(公告)号：US20120062645A1

    公开(公告)日：2012-03-15

    申请号：US13223835

    申请日：2011-09-01

    申请人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida ,  Chie Tonohiro ,  Atsushi Kubota

    发明人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida ,  Chie Tonohiro ,  Atsushi Kubota

    IPC分类号： B41J2/015 ,  C09D11/02

    CPC分类号： B41J2/155 ,  C09D11/322 ,  C09D11/38

    摘要： According to one embodiment, an aqueous inkjet ink includes a color material, water in an amount of from 50-70% by mass of the total amount of the ink, and a water-soluble organic solvent in an amount of from 29-49% by mass of the total amount. The water-soluble organic solvent contains a compound represented by the following general formula 1, and the compound represented by the following general formula 1 accounts for 10-35% by mass of the total amount of the ink. The sum of the amounts of the color material, the water, and the water-soluble organic solvent is 100% by mass or less of the ink. Where, R1 and R2 each independently represent an alkyl group having 1 to 4 carbon atoms, and m and n each represent an integer satisfying the relation: 2≦m+n≦6.

    摘要翻译： 根据一个实施方案，水性喷墨油墨包括着色材料，水的量为油墨总量的50-70质量％，水溶性有机溶剂的量为29-49％ 的总量。 水溶性有机溶剂含有下述通式1所示的化合物，由以下通式1表示的化合物占油墨总量的10-35质量％。 着色材料，水和水溶性有机溶剂的量的总和为油墨的100质量％以下。 其中，R 1和R 2各自独立地表示具有1至4个碳原子的烷基，m和n各自表示满足关系式的整数：2＆nlE; m + n＆nlE; 6。

    AQUEOUS INKJET INK
    45.
    发明申请
    AQUEOUS INKJET INK 审中-公开
    水性喷墨墨水

    公开(公告)号：US20110279515A1

    公开(公告)日：2011-11-17

    申请号：US13097697

    申请日：2011-04-29

    申请人： Maiko Yoshida ,  Ryozo Akiyama ,  Takafumi Hara ,  Chie Tonohiro ,  Atsushi Kubota

    发明人： Maiko Yoshida ,  Ryozo Akiyama ,  Takafumi Hara ,  Chie Tonohiro ,  Atsushi Kubota

    IPC分类号： B41J2/015 ,  C09D11/02

    CPC分类号： C09D11/324 ,  C09D7/20

    摘要： According to one embodiment, an aqueous inkjet ink includes a color material, water as a first liquid, propylene glycol as a second liquid, and a compound represented by the following general formula (PEG) or a compound represented by the following general formula (PGC) as a third liquid. The aqueous inkjet ink has a water activity of 0.85 or less. Ra—O—(CH2CH2O)n—H   (PEG) In the formula, Ra represents H or CH3, and n represents 3 to 14. In the formula, Rb represents a group selected from CH2CH2O and CH2CHCH3O, and j, k, p, and q may be the same or different, and represent an integer of 1 or more, and satisfy the formula: 4≦j+k+p+q≦8.

    摘要翻译： 根据一个实施方案，水性喷墨油墨包括着色材料，作为第一液体的水，作为第二液体的丙二醇和由以下通式（PEG）表示的化合物或由以下通式表示的化合物（PGC ）作为第三液体。 水性喷墨油墨的水分活度为0.85以下。 Ra-O-（CH2CH2O）n-H（PEG）在式中，Ra表示H或CH3，n表示3至14.在该式中，Rb表示选自CH 2 CH 2 O和CH 2 CHCH 3 O的基团，j，k，p 并且q可以相同或不同，并且表示1以上的整数，并且满足下式：4＆nlE; j + k + p + q＆nlE; 8。

    AQUEOUS INKJET INK
    46.
    发明申请
    AQUEOUS INKJET INK 有权
    水性喷墨墨水

    公开(公告)号：US20110273515A1

    公开(公告)日：2011-11-10

    申请号：US13097651

    申请日：2011-04-29

    申请人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida ,  Chie Tonohiro ,  Atsushi Kubota

    发明人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida ,  Chie Tonohiro ,  Atsushi Kubota

    IPC分类号： B41J2/045 ,  C09D11/02

    CPC分类号： C09D11/322 ,  B41J2202/08

    摘要： According to one embodiment, an aqueous inkjet ink includes a dispersion medium that contains water and a water-soluble polyhydric alcohol having a weight average molecular weight of 400 or more, and a pigment. The pigment accounts for less than 5 mass % of the total amount of the aqueous inkjet ink. The aqueous inkjet ink has viscosities (mPa·s) measured using a cone-plate type viscometer at 20 rpm and satisfying the following relationships: VA/VB≧1.5 VA≧10 mPa·s 3 mPa·s≦VB≦15 mPa·s, where VA is the viscosity at 30° C., and VB the viscosity at 45° C.

    摘要翻译： 根据一个实施方案，水性喷墨油墨包括含有水的重均分子量为400以上的水溶性多元醇和颜料的分散介质。 颜料占水性喷墨油墨总量的5质量％以下。 水性喷墨油墨使用锥板式粘度计以20rpm测定的粘度（mPa·s），满足以下关系：VA /VB≥1.5VA≥10mPa·s 3mPa·s＆nlE; VB＆nlE; 15mPa·s ，其中VA为30℃时的粘度，VB为45℃时的粘度

    INKJET EMULSION INK
    47.
    发明申请
    INKJET EMULSION INK 审中-公开
    喷墨乳液

    公开(公告)号：US20110109687A1

    公开(公告)日：2011-05-12

    申请号：US12854930

    申请日：2010-08-12

    申请人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida

    发明人： Takafumi Hara ,  Ryozo Akiyama ,  Maiko Yoshida

    IPC分类号： B41J2/015 ,  C09D11/10

    CPC分类号： C09D11/38

    摘要： According to one embodiment, an inkjet emulsion ink includes coloring material, an aqueous liquid, an oil liquid, and a polyvinyl alcohol. The aqueous liquid accounts for 10 to 40% by weight of the inkjet emulsion ink, the oil liquid accounts for 60 to 90% by weight of the inkjet emulsion ink. At least a part of the oil liquid is an aromatic alcohol represented by general formula A. The polyvinyl alcohol accounts for 0.1 to 3% by weight of the inkjet emulsion ink and is represented by general formula B. The viscosity of an aqueous solution containing 4% by weight of the polyvinyl alcohol at 20° C. is less than 10 mPa·s. where Ra represents an aliphatic hydrocarbon group having 1 to 5 carbon atoms, Rb represents —O— or —CH2O—, and k represents 0 or 1. where n and m satisfy 0.4≦n/(n+m)≦0.73.

    摘要翻译： 根据一个实施方案，喷墨乳液油墨包括着色材料，水性液体，油液和聚乙烯醇。 含水液体占喷墨油墨的10〜40重量％，油液占喷墨油墨的60〜90重量％。 至少一部分油性液体是由通式A表示的芳香醇。聚乙烯醇占喷墨乳液油墨的0.1〜3重量％，由通式B表示。含有4个 聚乙烯醇在20℃下的重量％小于10mPa·s。 其中Ra表示具有1至5个碳原子的脂族烃基，Rb表示-O-或-CH2O-，k表示0或1.其中n和m满足0.4＆nlE; n /（n + m）＆nlE; 0.73。

    Wall member for ink liquid reservoir mounted on a carriage in an ink jet system printer
    50.
    发明授权
    Wall member for ink liquid reservoir mounted on a carriage in an ink jet system printer 失效
    用于油墨储存器的壁构件安装在喷墨系统打印机中的托架上

    公开(公告)号：US4658273A

    公开(公告)日：1987-04-14

    申请号：US681251

    申请日：1984-12-13

    申请人： Yoshio Yuki ,  Takafumi Hara

    发明人： Yoshio Yuki ,  Takafumi Hara

    IPC分类号： B41J2/175 ,  G01D15/16

    CPC分类号： B41J2/175

    摘要： An ink liquid supply system for an ink jet system printer including a printing head comprises an ink liquid reservoir for containing ink liquid, an ink liquid passage for supplying the ink liquid from the ink liquid reservoir to the printing head, the ink liquid passage having an ink liquid inlet for communicating with the ink liquid reservoir, and a wall member disposed around the ink liquid inlet of the ink liquid passage, the wall member providing a recess containing an extra amount of the ink liquid.

    摘要翻译： 一种用于包括打印头的喷墨系统打印机的墨水供应系统，包括用于容纳墨液的墨液储存器，用于将油墨从油墨储存器供应到打印头的墨液通道，墨液通道具有 用于与油墨储存器连通的墨液入口和设置在墨液通道的墨液入口周围的壁构件，壁构件提供含有额外量的墨液的凹部。