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1. 发明授权

US07402200B2 Aqueous ink, ink set, and image-forming method 有权
标题翻译：水性油墨，油墨组合和成像方法
公开(公告)号：US07402200B2
公开(公告)日：2008-07-22
申请号：US11313670
申请日：2005-12-22
申请人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
发明人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
IPC分类号： C09D11/02
CPC分类号： C09D11/40 , C09D11/54
摘要： The present invention aims to provide an ink which has a sufficiently large area factor even in a small ink droplet quantity and can obtain images having a high image density, and further has a superior storage stability. According to the present invention, a cyan ink is provided which is used in an ink set having four kinds of aqueous inks consisting of a cyan ink, a magenta ink, a yellow ink and a black ink in which each ink comprises at least water, a water-insoluble coloring material, and a plurality of water-soluble organic solvents having a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material, wherein, the ratio B1/A1 is from 0.5 or more to 3.0 or less, where A1 denotes the total content (mass %) of the good medium based on the total mass of the cyan ink and B1 denotes the total content (mass %) of the poor medium based on the total mass of the cyan ink, and a water-soluble organic solvent which shows the maximum Ka value among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method is the poor medium.
摘要翻译：本发明的目的在于提供即使在小的墨滴量中也具有足够大的面积因数并且可以获得具有高图像密度的图像的墨水，并且还具有优良的储存稳定性。根据本发明，提供一种青色墨水，其用于具有四种由青色墨水，品红色墨水，黄色墨水和黑色墨水组成的水性墨水的墨水组合，其中每种墨水至少包含水，水不溶性着色材料和多种水溶性着色材料介质或介质良好的水溶性有机溶剂和水不溶性着色材料的不良介质或不良介质，其中B比 1 1 <1 为0.5以上至3.0以下，其中，A 1表示良好介质的总含量（质量％）基于青色墨水的总质量，B＆lt; 1＆lt; 1＆gt;表示基于青色墨水的总质量的不良介质的总含量（质量％）和表示通过Bristow法测定的多种水溶性有机溶剂的各Ka值中的最大Ka值是不良介质。

2. 发明授权

US07276112B2 Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method 有权
标题翻译：水性墨水，喷墨记录方法，墨盒，记录单元，喷墨记录装置和图像形成方法
公开(公告)号：US07276112B2
公开(公告)日：2007-10-02
申请号：US11313785
申请日：2005-12-22
申请人： Yui Tokuda , Mikio Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
发明人： Yui Tokuda , Mikio Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
IPC分类号： C09D11/02
CPC分类号： C09D11/326
摘要： Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group. The plurality of water-soluble organic solvents have a good medium or good mediums for the pigment and a poor medium or poor mediums for the pigment. The poor medium does not solvate perfectly or substantially the pigment. The ionic group undergoes perfectly or substantially no ionic dissociation in the poor medium. Also, among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method, the Ka value of the poor medium is maximum.
摘要翻译：公开了至少包含水，多种水溶性有机溶剂和着色材料的水性油墨。着色材料是颜料，并且其包含具有至少一个离子基团的颜料颗粒，其直接或通过另一原子团与颜料颗粒的表面键合。多种水溶性有机溶剂对于颜料具有良好的介质或良好的介质，并且颜料的介质或不良介质差。不良介质不能完全或溶剂化颜料。离子基团在不良培养基中完全或基本上不发生离子解离。此外，在通过Bristow法测定的多种水溶性有机溶剂的各Ka值中，不良介质的Ka值最大。

3. 发明申请

US20060098068A1 Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method 审中-公开
标题翻译：水性油墨，水性油墨组，墨盒，喷墨记录装置，喷墨记录方法和图像形成方法
公开(公告)号：US20060098068A1
公开(公告)日：2006-05-11
申请号：US11313689
申请日：2005-12-22
申请人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
发明人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
IPC分类号： G01D11/00 , C09D11/02 , C09D11/00
CPC分类号： C09D11/40 , C09D11/54
摘要： An aqueous ink comprises water, a water-insoluble coloring material, and plurality of water-soluble organic solvents and the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material. The ratio of the content of the poor medium and the content of the good medium is in a specific range. A water-soluble organic solvent showing the maximum Ka value out of respective Ka values of the plurality of water-soluble organic solvents is the poor medium. When the aqueous ink is in contact with a specific reaction liquid, the dissolution state or dispersed state of the water-insoluble coloring material in the ink is made unstable. As a result, an image which has a sufficiently large area factor even with a small amount of ink droplets and is excellent in image density, bleeding resistance, and fixability can be obtained. In addition, the aqueous ink is excellent in storage stability.
摘要翻译：水性油墨包括水，水不溶性着色材料和多种水溶性有机溶剂，以及多种水溶性有机溶剂，包括用于水不溶性着色材料的良好介质或良好介质和不良介质或差介质为水不溶性着色材料。不良介质的含量与良好介质的含量的比例在特定范围内。在多种水溶性有机溶剂的各Ka值中显示出最大Ka值的水溶性有机溶剂是不良介质。当水性油墨与特定的反应液体接触时，水不溶性着色材料在油墨中的溶解状态或分散状态变得不稳定。结果，可以获得即使具有少量墨滴也具有足够大的面积因子并且图像密度，耐渗色性和定影性优异的图像。此外，水性油墨的保存稳定性优异。

4. 发明授权

US08016406B2 Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method 有权
标题翻译：水性油墨，水性油墨组，墨盒，喷墨记录装置，喷墨记录方法和图像形成方法
公开(公告)号：US08016406B2
公开(公告)日：2011-09-13
申请号：US12576823
申请日：2009-10-09
申请人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
发明人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
IPC分类号： G01D11/00
CPC分类号： C09D11/40 , C09D11/54
摘要： An aqueous ink comprises water, a water-insoluble coloring material, and plurality of water-soluble organic solvents and the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material. The ratio of the content of the poor medium and the content of the good medium is in a specific range. A water-soluble organic solvent showing the maximum Ka value out of respective Ka values of the plurality of water-soluble organic solvents is the poor medium. When the aqueous ink is in contact with a specific reaction liquid, the dissolution state or dispersed state of the water-insoluble coloring material in the ink is made unstable. As a result, an image which has a sufficiently large area factor even with a small amount of ink droplets and is excellent in image density, bleeding resistance, and fixability can be obtained. In addition, the aqueous ink is excellent in storage stability.
摘要翻译：水性油墨包括水，水不溶性着色材料和多种水溶性有机溶剂，以及多种水溶性有机溶剂，包括用于水不溶性着色材料的良好介质或良好介质和不良介质或差介质为水不溶性着色材料。不良介质的含量与良好介质的含量的比例在特定范围内。在多种水溶性有机溶剂的各Ka值中显示出最大Ka值的水溶性有机溶剂是不良介质。当水性油墨与特定的反应液体接触时，水不溶性着色材料在油墨中的溶解状态或分散状态变得不稳定。结果，可以获得即使具有少量墨滴也具有足够大的面积因子并且图像密度，耐渗色性和定影性优异的图像。此外，水性油墨的保存稳定性优异。

5. 发明申请

US20100075046A1 AQUEOUS INK, AQUEOUS INK SET, INK CARTRIDGE, INK-JET RECORDING APPARATUS, INK-JET RECORDING METHOD, AND IMAGE-FORMING METHOD 有权
标题翻译：水性墨水，水墨墨盒，墨盒，喷墨记录装置，喷墨记录方法和图像形成方法
公开(公告)号：US20100075046A1
公开(公告)日：2010-03-25
申请号：US12576823
申请日：2009-10-09
申请人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
发明人： Shinichi Hakamada , Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Sadayuki Sugama
IPC分类号： B05D5/00
CPC分类号： C09D11/40 , C09D11/54
摘要： An aqueous ink comprises water, a water-insoluble coloring material, and plurality of water-soluble organic solvents and the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material. The ratio of the content of the poor medium and the content of the good medium is in a specific range. A water-soluble organic solvent showing the maximum Ka value out of respective Ka values of the plurality of water-soluble organic solvents is the poor medium. When the aqueous ink is in contact with a specific reaction liquid, the dissolution state or dispersed state of the water-insoluble coloring material in the ink is made unstable. As a result, an image which has a sufficiently large area factor even with a small amount of ink droplets and is excellent in image density, bleeding resistance, and fixability can be obtained. In addition, the aqueous ink is excellent in storage stability.
摘要翻译：水性油墨包括水，水不溶性着色材料和多种水溶性有机溶剂，以及多种水溶性有机溶剂，包括用于水不溶性着色材料的良好介质或良好介质和不良介质或差介质为水不溶性着色材料。不良介质的含量与良好介质的含量的比例在特定范围内。在多种水溶性有机溶剂的各Ka值中显示出最大Ka值的水溶性有机溶剂是不良介质。当水性油墨与特定的反应液体接触时，水不溶性着色材料在油墨中的溶解状态或分散状态变得不稳定。结果，可以获得即使具有少量墨滴也具有足够大的面积因子并且图像密度，耐渗色性和定影性优异的图像。此外，水性油墨的保存稳定性优异。

6. 发明申请

US20060098067A1 Aqueous ink, ink set, and image-forming method 有权
标题翻译：水性油墨，油墨组合和成像方法
公开(公告)号：US20060098067A1
公开(公告)日：2006-05-11
申请号：US11313670
申请日：2005-12-22
申请人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
发明人： Takashi Imai , Mikio Sanada , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama , Hideki Takayama
IPC分类号： G01D11/00 , C09D11/02
CPC分类号： C09D11/40 , C09D11/54
摘要： The present invention aims to provide an ink which has a sufficiently large area factor even in a small ink droplet quantity and can obtain images having a high image density, and further has a superior storage stability. According to the present invention, a cyan ink is provided which is used in an ink set having four kinds of aqueous inks consisting of a cyan ink, a magenta ink, a yellow ink and a black ink in which each ink comprises at least water, a water-insoluble coloring material, and a plurality of water-soluble organic solvents having a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material, wherein, the ratio B1/A1 is from 0.5 or more to 3.0 or less, where A1 denotes the total content (mass %) of the good medium based on the total mass of the cyan ink and B1 denotes the total content (mass %) of the poor medium based on the total mass of the cyan ink, and a water-soluble organic solvent which shows the maximum Ka value among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method is the poor medium.
摘要翻译：本发明的目的在于提供即使在小的墨滴量中也具有足够大的面积因数并且可以获得具有高图像密度的图像的墨水，并且还具有优良的储存稳定性。根据本发明，提供一种青色墨水，其用于具有四种由青色墨水，品红色墨水，黄色墨水和黑色墨水组成的水性墨水的墨水组合，其中每种墨水至少包含水，水不溶性着色材料和多种水溶性着色材料介质或介质良好的水溶性有机溶剂和水不溶性着色材料的不良介质或不良介质，其中B比 1 1 <1 为0.5以上至3.0以下，其中，A 1表示良好介质的总含量（质量％）基于青色墨水的总质量，B＆lt; 1＆lt; 1＆gt;表示基于青色墨水的总质量的不良介质的总含量（质量％）和表示通过Bristow法测定的多种水溶性有机溶剂的各Ka值中的最大Ka值是不良介质。

7. 发明申请

US20060103704A1 Recording method, ink cartridge, and image-forming method 有权
标题翻译：记录方法，墨盒和成像方法
公开(公告)号：US20060103704A1
公开(公告)日：2006-05-18
申请号：US11314010
申请日：2005-12-22
申请人： Shinichi Hakamada , Mikio Sanada , Takashi Imai , Yasuhiro Nito , Sadayuki Sugama
发明人： Shinichi Hakamada , Mikio Sanada , Takashi Imai , Yasuhiro Nito , Sadayuki Sugama
IPC分类号： G01D11/00
CPC分类号： B41J2/2107 , C09D11/30 , C09D11/40 , C09D11/54
摘要： A recording method is provided which enables formation of an image with high image density and low graininess. The recording is conducted by using a recording method using a first aqueous ink for higher-density recording and a second aqueous ink for lower-density recording, characterized in that the first aqueous ink comprises at least water, a water-insoluble coloring material, and plurality of water-soluble organic solvents, the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material, the ratio B/A in the second aqueous ink being less than the ratio B/A the first aqueous ink, where A denotes the total content (mass %) of good medium based on the total mass of the aqueous ink and B denotes the total content (mass %) of poor medium based on the total mass of the aqueous ink; and the second aqueous ink has the same hue as the first aqueous ink.
摘要翻译：提供了能够形成具有高图像密度和低颗粒度的图像的记录方法。通过使用使用用于更高密度记录的第一含水油墨和低密度记录的第二含水油墨的记录方法进行记录，其特征在于，所述第一含水油墨至少包括水，水不溶性着色材料和多种水溶性有机溶剂，多种水溶性有机溶剂包括用于水不溶性着色材料的良好介质或良好介质和用于水不溶性着色材料的差介质或差介质，B / A比在第二水性油墨中，比第一水性油墨的B / A的比率低，其中A表示基于水性油墨的总质量的良好介质的总含量（质量％），B表示总含量（质量％）基于水性油墨的总质量的不良介质; 并且第二水性墨水具有与第一水性墨水相同的色调。

8. 发明授权

US07635182B2 Recording method, ink cartridge, and image-forming method 有权
标题翻译：记录方法，墨盒和成像方法
公开(公告)号：US07635182B2
公开(公告)日：2009-12-22
申请号：US11314010
申请日：2005-12-22
申请人： Shinichi Hakamada , Mikio Sanada , Takashi Imai , Yasuhiro Nito , Sadayuki Sugama
发明人： Shinichi Hakamada , Mikio Sanada , Takashi Imai , Yasuhiro Nito , Sadayuki Sugama
IPC分类号： G01D11/00
CPC分类号： B41J2/2107 , C09D11/30 , C09D11/40 , C09D11/54
摘要： A recording method is provided which enables formation of an image with high image density and low graininess. The recording is conducted by using a recording method using a first aqueous ink for higher-density recording and a second aqueous ink for lower-density recording, characterized in that the first aqueous ink includes at least water, a water-insoluble coloring material, and plurality of water-soluble organic solvents, the plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material and a poor medium or poor mediums for the water-insoluble coloring material, the ratio B/A in the second aqueous ink being less than the ratio B/A in the first aqueous ink, where A denotes the total content (mass %) of good medium based on the total mass of the aqueous ink and B denotes the total content (mass %) of poor medium based on the total mass of the aqueous ink; and the second aqueous ink has the same hue as the first aqueous ink.
摘要翻译：提供了能够形成具有高图像密度和低颗粒度的图像的记录方法。记录是通过使用使用第一水性油墨进行更高密度记录的记录方法和用于低密度记录的第二含水油墨进行的，其特征在于，所述第一含水油墨至少包括水，水不溶性着色材料和多种水溶性有机溶剂，多种水溶性有机溶剂包括用于水不溶性着色材料的良好介质或良好介质和用于水不溶性着色材料的差介质或差介质，B / A比在第二水性油墨中，比第一水性油墨中的B / A比低，其中A表示基于水性油墨的总质量的良好介质的总含量（质量％），B表示总含量（质量％）基于水性油墨的总质量的不良介质; 并且第二水性墨水具有与第一水性墨水相同的色调。

9. 发明申请

US20060100311A1 Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method 有权
标题翻译：水墨，喷墨记录方法，墨盒，记录单元，喷墨记录装置和图像形成方法
公开(公告)号：US20060100311A1
公开(公告)日：2006-05-11
申请号：US11313785
申请日：2005-12-22
申请人： Yui Tokuda , Miko Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
发明人： Yui Tokuda , Miko Sanada , Yoshihisa Takizawa , Masashi Ogasawara , Tomonari Watanabe , Takashi Imai , Yasuhiro Nito , Tetsu Iwata , Shinichi Hakamada , Sadayuki Sugama
IPC分类号： C09D11/00 , C09D11/02
CPC分类号： C09D11/326
摘要： Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another atomic group. The plurality of water-soluble organic solvents have a good medium or good mediums for the pigment and a poor medium or poor mediums for the pigment. The poor medium does not solvate perfectly or substantially the pigment. The ionic group undergoes perfectly or substantially no ionic dissociation in the poor medium. Also, among the respective Ka values of the plurality of water-soluble organic solvents as determined by the Bristow method, the Ka value of the poor medium is maximum.
摘要翻译：公开了至少包含水，多种水溶性有机溶剂和着色材料的水性油墨。着色材料是颜料，并且其包含具有至少一个离子基团的颜料颗粒，其直接或通过另一原子团与颜料颗粒的表面键合。多种水溶性有机溶剂对于颜料具有良好的介质或良好的介质，并且颜料的介质或不良介质差。不良介质不能完全或溶剂化颜料。离子基团在不良培养基中完全或基本上不发生离子解离。此外，在通过Bristow法测定的多种水溶性有机溶剂的各Ka值中，不良介质的Ka值最大。

10. 发明授权

US07377631B2 Aqueous ink, set of reaction liquid and aqueous ink, and image forming method 有权
标题翻译：水性油墨，反应液和水性油墨组，以及成像方法
公开(公告)号：US07377631B2
公开(公告)日：2008-05-27
申请号：US11224993
申请日：2005-09-14
申请人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
发明人： Yoichi Takada , Junichi Sakai , Fumiaki Fujioka , Yasuhiro Nito , Masashi Tsujimura , Takashi Imai , Shinichi Hakamada , Sadayuki Sugama , Shinya Mishina
IPC分类号： C09D11/00
CPC分类号： C09D11/30 , C09D11/54
摘要： An aqueous ink, by which stable ink-jet recording can be conducted irrespective of printing environment, a substantially even image having abrasion resistance can be formed, no image soiling is caused even upon double-side printing, and a high-quality image improved in unclearness at a contour portion of the image and free from occurrence of color bleed can be provided, is provided. The aqueous ink is an aqueous ink used in a system that a reaction liquid containing at least a polyvalent metal and an aqueous ink containing at least a pigment dispersion, in which a pigment is dispersed with an anionic polymer dispersant, are used to form an image, wherein the aqueous ink satisfies specific condition.
摘要翻译：一种水性油墨，不管打印环境如何，均可进行稳定的喷墨记录，可以形成具有耐磨性的基本上均匀的图像，即使双面打印也不会引起图像污染，并且高质量的图像改善可以提供图像的轮廓部分的不清楚并且不会发生颜色渗色。水性油墨是在使用至少含有多价金属的反应液和至少含有颜料用阴离子聚合物分散剂分散的颜料分散体的水性油墨的系统中使用的水性油墨，以形成图像其中，所述水性油墨满足特定条件。

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