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1. 发明授权

US08820909B2 Black ink composition, ink set, and image forming method 有权
标题翻译：黑色墨水组合物，墨水组合和成像方法
公开(公告)号：US08820909B2
公开(公告)日：2014-09-02
申请号：US13426618
申请日：2012-03-22
申请人： Misato Sasada , Jun Matsumoto
发明人： Misato Sasada , Jun Matsumoto
IPC分类号： B41J2/01 , C09D11/00 , B41J2/21 , C09D11/10 , B41J11/00
CPC分类号： C09D11/324 , B41J2/2107 , B41J11/002 , C09D11/101 , C09D11/40 , C09D11/54
摘要： A black ink composition includes a resin-coated carbon black containing a water-soluble resin and carbon black, a water-soluble polymerizable compound, a polymerization initiator, and water, wherein an average primary particle diameter of the carbon black is 20 nm or more, and an absorbance ratio of absorbance at a wavelength of 350 nm with respect to absorbance at a wavelength of 600 nm (absorbance at a wavelength of 350 nm/absorbance at a wavelength of 600 nm), when the black ink composition is diluted 5,000-fold with water, is 1.9 or lower.
摘要翻译：黑色油墨组合物包括含有水溶性树脂和炭黑的树脂包覆炭黑，水溶性聚合性化合物，聚合引发剂和水，其中，所述炭黑的平均一次粒径为20nm以上，相对于600nm波长处的吸光度（波长350nm处的吸光度，波长600nm处的吸光度），波长350nm处的吸光度的吸光度比，当黑色墨水组合物稀释5,000〜用水折叠，为1.9或更低。

2. 发明授权

US08414118B2 Image forming method 有权
标题翻译：图像形成方法
公开(公告)号：US08414118B2
公开(公告)日：2013-04-09
申请号：US12470962
申请日：2009-05-22
申请人： Toshiyuki Makuta , Yasuhiko Kachi , Hiroshi Yamamoto , Terukazu Yanagi , Misato Sasada
发明人： Toshiyuki Makuta , Yasuhiko Kachi , Hiroshi Yamamoto , Terukazu Yanagi , Misato Sasada
IPC分类号： B41J2/01
CPC分类号： B41J11/002 , B41J13/223 , B41M5/0023 , B41M5/52 , B41M7/0027
摘要： The method forms an image using an inkjet recording apparatus, which includes: an image formation unit having a line head type inkjet head disposed opposite a circumferential surface of an image formation drum, the inkjet head depositing the aqueous ink onto the recording medium while the recording medium is held and conveyed in rotation on the circumferential surface of the image formation drum; and a drying unit arranged on a downstream side of the image formation unit, the drying unit having a drying device disposed opposite a circumferential surface of a drying drum, the drying device drying a solvent in the aqueous ink deposited on the recording medium, the drying unit drying the solvent by means of the drying device while the recording medium is held and conveyed in rotation on the circumferential surface of the drying drum; using, as the recording medium, a special paper which is a recording medium successively laminated from a base paper, a first layer containing a binder and a second layer containing a white pigment, the base paper with the first layer provided thereon having a Cobb water absorbency of not higher than 5.0 g/m2 with a contact time of 15 seconds based on a water absorbency test stipulated in JIS P8140, and the second layer having a water absorption amount of not lower than 2 ml/m2 and not higher than 8 ml/m2 with a contact time of 0.5 seconds according to Bristow's method, and having a layer surface pH of not higher than 5.5 after pH adjustment.
摘要翻译：该方法使用喷墨记录装置形成图像，其包括：图像形成单元，具有与图像形成鼓的圆周表面相对设置的线头型喷墨头，喷墨头在记录时将水性墨水沉积到记录介质上介质在图像形成鼓的圆周表面上旋转地保持和传送; 以及设置在图像形成单元的下游侧的干燥单元，干燥单元具有与干燥滚筒的圆周表面相对设置的干燥装置，干燥装置干燥沉积在记录介质上的水性墨水中的溶剂，干燥通过干燥装置将溶剂单元干燥，同时将记录介质旋转地保持并传送到干燥滚筒的圆周表面上; 使用作为记录介质的专用纸作为从原纸连续层压的记录介质，含有粘合剂的第一层和含有白色颜料的第二层，其上设置有第一层的原纸具有Cobb水基于JIS P8140规定的吸水性试验，接触时间为15秒的吸光度为5.0g / m 2以下，吸水量为2ml / m 2以上8层以下的第二层 / m 2，接触时间为0.5秒，根据Bristow方法，pH调节后层的表面pH不高于5.5。

3. 发明申请

US20130050355A1 INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD 有权
标题翻译：墨水组合物，墨水组合和图像形成方法
公开(公告)号：US20130050355A1
公开(公告)日：2013-02-28
申请号：US13591584
申请日：2012-08-22
申请人： Mika Imamura , Misato Sasada
发明人： Mika Imamura , Misato Sasada
IPC分类号： C09D11/10 , B41J2/01
CPC分类号： C09D11/322 , B41J2/2107 , B41J11/002 , C09D11/101 , C09D11/40 , C09D11/54
摘要： An ink composition having excellent ink stability over time and image adhesion to a recording medium is provided.The ink composition of the present invention includes: cross-linked particles containing a quinacridone solid solution pigment including at least two types of quinacridone-based compound; a water-soluble polymerizable compound; a polymerization initiator; and water.
摘要翻译：提供了具有优异的油墨稳定性随时间的图像粘附到记录介质上的油墨组合物。本发明的油墨组合物包括：含有喹吖啶酮固溶体颜料的交联颗粒，其包含至少两种类型的喹吖啶酮类化合物; 水溶性聚合性化合物; 聚合引发剂; 和水。

4. 发明申请

US20110234684A1 IMAGE FORMING METHOD 有权
标题翻译：图像形成方法
公开(公告)号：US20110234684A1
公开(公告)日：2011-09-29
申请号：US13071537
申请日：2011-03-25
申请人： Jun MATSUMOTO , Koji YASUDA , Kiyoshi IRITA , Misato SASADA
发明人： Jun MATSUMOTO , Koji YASUDA , Kiyoshi IRITA , Misato SASADA
IPC分类号： B41J2/015
CPC分类号： B41M5/502 , B41M5/506 , B41M5/52 , C09D11/101 , C09D11/30
摘要： Provided is an image forming method including applying an ink that forms an image by inkjetting an ink composition containing coloring particles, a water-soluble polymerizable compound, a polymerization initiator and water onto a recording medium in which a base paper, a first layer containing a binder, and a second layer containing a white pigment are layered in this order, and a Cobb water absorption degree on a surface of the first layer placed on the base paper is 5.0 g/m2 or less as measured by a water absorption degree test according to JIS P8140 with a contact time of 15 seconds, and a water absorption amount on a surface of the second layer is 2 mL/m2 to 8 mL/m2 as measured by a Bristow method with a contact time of 0.5 seconds.
摘要翻译：提供了一种图像形成方法，其包括通过将含有着色颗粒，水溶性可聚合化合物，聚合引发剂和水的油墨组合物喷墨到其上的原纸，第一层粘合剂和含有白色颜料的第二层依次层叠，并且通过吸水度试验测定，在原纸上放置的第一层的表面上的Cobb吸水度为5.0g / m 2以下与JIS P8140的接触时间为15秒，第二层表面的吸水量为2mL / m 2〜8mL / m 2，通过Bristow法测定，接触时间为0.5秒。

5. 发明申请

US20110074867A1 AQUEOUS PIGMENT DISPERSION, INK COMPOSITION, AND IMAGE FORMING METHOD 失效
标题翻译：水性色素分散剂，墨水组合物和图像形成方法
公开(公告)号：US20110074867A1
公开(公告)日：2011-03-31
申请号：US12889424
申请日：2010-09-24
申请人： Naoko NISHIMURA , Misato SASADA , Tomoko KUWABARA
发明人： Naoko NISHIMURA , Misato SASADA , Tomoko KUWABARA
IPC分类号： B41J2/015 , C09D11/10
CPC分类号： C09D11/54 , C08F220/06 , C08F220/14 , C08F2220/301 , C09D7/45 , C09D11/326 , C09D17/003
摘要： An aqueous pigment dispersion including: (A) a pigment; (B) a dispersion polymer having a neutralization degree of from 50% to 90% and a solubility of from 0.2 g to 0.8 g per 5 ml of water (25° C.), and containing an acidic group and a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a content ratio of the aromatic ring being from 10% by mass to less than 20% by mass based on a total mass of the polymer; and (C) a water-based liquid medium.
摘要翻译：一种水性颜料分散体，包括：（A）颜料; （B）中和度为50〜90％，溶解度为0.2g〜0.8g / 5ml水（25℃）的分散体聚合物，含有酸性基团和疏水性结构单元（ a）具有通过连接基团连接到主链中包含的原子的芳香环，芳族环的含量比基于聚合物的总质量为10质量％至小于20质量％; 和（C）水性液体介质。

6. 发明申请

US20090203833A1 AQEOUS INKJET RECORDING INK 有权
标题翻译： AQEOUS INKJET记录墨水
公开(公告)号：US20090203833A1
公开(公告)日：2009-08-13
申请号：US12368017
申请日：2009-02-09
申请人： Misato SASADA , Takafumi Hosokawa , Takahiro Kato
发明人： Misato SASADA , Takafumi Hosokawa , Takahiro Kato
IPC分类号： C08L67/06 , C08L33/10
CPC分类号： C09D11/326 , C09D133/06 , C08L2666/02
摘要： An aqueous inkjet recording ink including at least a resin (A), a pigment (B) dispersed with the resin (A), a resin emulsion (C), and an aqueous liquid medium (D), wherein the resin (A) includes hydrophobic structural units (a) and hydrophilic structural units (b), the hydrophobic structural units (a) include a hydrophobic structural unit (a1) in an amount of 40% by mass or more of the resin (A), the hydrophobic structural unit (a1) having an aromatic ring indirectly linked to an atom for forming the main chain of the resin (A), and a hydrophobic structural unit (a2) in an amount of 15% by mass or more of the resin (A), the hydrophobic structural unit (a2) being derived from a C1 to C4 alkyl acrylate or methacrylate, the hydrophilic structural units (b) include a structural unit (b1) derived from an acrylic acid or a methacrylic acid, and the content of the hydrophilic structural units (b) is 15% by mass or less in the resin (A).
摘要翻译：至少包含树脂（A），分散有树脂（A）的颜料（B），树脂乳液（C）和水性液体介质（D））的水性喷墨记录油墨，其中树脂（A）包括疏水结构单元（a）和亲水性结构单元（b）中，疏水结构单元（a）包括树脂（A）的40质量％以上的疏水性结构单元（a1），疏水性结构单元（a1）具有与用于形成树脂（A）的主链的原子间接连接的芳环，以及树脂（A）的15质量％以上的疏水性结构单元（a2），疏水结构单元（a2）衍生自丙烯酸酯或甲基丙烯酸C1〜C4烷基酯，亲水性结构单元（b）包括衍生自丙烯酸或甲基丙烯酸的结构单元（b1），亲水性结构单元（b）在树脂（A）中为15质量％以下。

7. 发明授权

US08586648B2 Aqueous colorant dispersion, production method of aqueous colorant dispersion, and aqueous ink for inkjet recording 有权
标题翻译：水性着色剂分散体，水性着色剂分散液的制造方法和喷墨记录用水性油墨
公开(公告)号：US08586648B2
公开(公告)日：2013-11-19
申请号：US12391894
申请日：2009-02-24
申请人： Takafumi Hosokawa , Misato Sasada , Naoya Shibata
发明人： Takafumi Hosokawa , Misato Sasada , Naoya Shibata
IPC分类号： C08L31/02
CPC分类号： C09D133/10 , C09D11/326
摘要： An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by mass.
摘要翻译：包含着色剂（A），聚合物（B）和水性液体介质（I）的水性着色剂分散体，其中聚合物（B）是包含亲水结构单元和疏水结构单元的共聚物，其含量聚合物（B）中的疏水性结构单元大于80质量％但小于100质量％，疏水性结构单元包括疏水结构单元（a），其具有通过连接基团与包含在聚合物（B）的主链，聚合物（B）中的芳环的含量相对于聚合物（B）的质量为10质量％以上且小于20质量％，亲水结构单元包括包含离子基团的亲水性结构单元（b），聚合物（B）包括与疏水性结构单元（a）不同的结构单元（c）和亲水性结构单元（b）的含量聚合物（B）中的结构单元（c）大于15％屁股，但小于90质量％。

8. 发明授权

US08393727B2 Ink composition, method of producing the same, ink set, and image forming method 有权
标题翻译：油墨组合物，其制造方法，油墨组合和成像方法
公开(公告)号：US08393727B2
公开(公告)日：2013-03-12
申请号：US13079820
申请日：2011-04-05
申请人： Misato Sasada , Yasufumi Ooishi
发明人： Misato Sasada , Yasufumi Ooishi
IPC分类号： G01D11/00
CPC分类号： C09D11/40 , C09D11/101 , C09D11/322 , C09D11/326 , C09D11/54
摘要： The present invention provides an inkjet ink composition, which has excellent ink-ejection reliability over a long time and capability of forming an image without defects such as white spots, and which includes: a pigment coated with a dispersant polymer; a water soluble polymerizable compound; a polymerization initiator; and water, the dispersant polymer being formed from a water soluble dispersant by crosslinking with a crosslinking agent.
摘要翻译：本发明提供了一种喷墨油墨组合物，其长时间具有优异的喷墨可靠性和形成无斑点等缺陷的图像的能力，并且包括：涂布有分散剂聚合物的颜料; 水溶性聚合性化合物; 聚合引发剂; 和水，所述分散剂聚合物通过与交联剂交联由水溶性分散剂形成。

9. 发明申请

US20120249701A1 BLACK INK COMPOSITION, INK SET, AND IMAGE FORMING METHOD 有权
标题翻译：黑色墨水组合物，墨水组合和图像形成方法
公开(公告)号：US20120249701A1
公开(公告)日：2012-10-04
申请号：US13426618
申请日：2012-03-22
申请人： Misato SASADA , Jun MATSUMOTO
发明人： Misato SASADA , Jun MATSUMOTO
IPC分类号： B41J2/01 , C08K5/06 , C09D11/10
CPC分类号： C09D11/324 , B41J2/2107 , B41J11/002 , C09D11/101 , C09D11/40 , C09D11/54
摘要： A black ink composition includes a resin-coated carbon black containing a water-soluble resin and carbon black, a water-soluble polymerizable compound, a polymerization initiator, and water, wherein an average primary particle diameter of the carbon black is 20 nm or more, and an absorbance ratio of absorbance at a wavelength of 350 nm with respect to absorbance at a wavelength of 600 nm (absorbance at a wavelength of 350 nm/absorbance at a wavelength of 600 nm), when the black ink composition is diluted 5,000-fold with water, is 1.9 or lower.
摘要翻译：黑色油墨组合物包括含有水溶性树脂和炭黑的树脂涂覆的炭黑，水溶性聚合性化合物，聚合引发剂和水，其中炭黑的平均一次粒径为20nm以上，相对于600nm波长处的吸光度（波长350nm处的吸光度，波长600nm处的吸光度），波长350nm处的吸光度的吸光度比，当黑色墨水组合物稀释5,000〜用水折叠，为1.9或更低。

10. 发明申请

US20090234058A1 AQUEOUS INK COMPOSITION 审中-公开
标题翻译：水份墨水组合物
公开(公告)号：US20090234058A1
公开(公告)日：2009-09-17
申请号：US12402658
申请日：2009-03-12
申请人： Misato Sasada
发明人： Misato Sasada
IPC分类号： C08K3/04
CPC分类号： C09D11/324
摘要： An aqueous ink composition including a carbon black having a specific surface area of 200 m2/g or more but less than 300 m2/g according to a BET method, an organic solvent, a neutralizing agent and water, wherein the carbon black is coated with a water-insoluble resin including a structural unit represented by the following formula (I): wherein R1 represents a hydrogen atom or a methyl group, Ar represents an unsubstituted or substituted aromatic ring, and n represents an average repeating number and is from 1 to 6.
摘要翻译：一种水性油墨组合物，其包括根据BET法，比表面积为200m 2 / g以上但小于300m 2 / g的炭黑，有机溶剂，中和剂和水，其中所述炭黑涂布包含由下式（I）表示的结构单元的水不溶性树脂：其中R1表示氢原子或甲基，Ar表示未取代或取代的芳环，n表示平均重复数，为1〜 6。

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