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1. 发明专利

JP2005008881A Ink for inkjet recording 有权
标题翻译：喷墨记录
公开(公告)号：JP2005008881A
公开(公告)日：2005-01-13
申请号：JP2004161889
申请日：2004-05-31
申请人： Matsushita Electric Ind Co Ltd , Ricoh Co Ltd , 松下電器産業株式会社 , 株式会社リコー
发明人： HIGETA SHIGERU , MATSUDA TSUTOMU , ITO MASASHI , SOGA SANEMORI , ARASE HIDEKAZU , TACHIKAWA MASAICHIRO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide black ink almost free from achromatization in laying for a long period of time, imparting a picture printed on a plain paper excellent in water resistance.
SOLUTION: The ink for inkjet recording comprises a color material, a humectant, water and a water-soluble substance which initiates condensation polymerization reaction according to evaporation of the water, wherein the color material is an azo chelate dye.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供长时间铺设几乎没有消色差的黑色油墨，将印刷在耐水性优异的普通纸上的图像赋予印刷。解决方案：用于喷墨记录的油墨包括着色材料，保湿剂，水和水溶性物质，其根据水的蒸发引发缩聚反应，其中着色材料是偶氮螯合染料。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004307609A Method for producing ink, ink cartridge and inkjet type recorder 有权
公开(公告)号：JP2004307609A
公开(公告)日：2004-11-04
申请号：JP2003101239
申请日：2003-04-04
申请人： Matsushita Electric Ind Co Ltd , Ricoh Co Ltd , 松下電器産業株式会社 , 株式会社リコー
发明人： ARASE HIDEKAZU , SOGA SANEMORI , TACHIKAWA MASAICHIRO , HIGETA SHIGERU , MATSUDA TSUTOMU , ITO MASASHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/38
CPC分类号： C09D11/30 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To improve production efficiency of ink containing a water-soluble substance to be subjected to condensation polymerization in the absence of water and to better storage stability of the ink.
SOLUTION: The subject method for producing the ink having a water-soluble dye containing at least one water-soluble solubilizing group of a sulfone group and a carboxy group, water, a water-soluble substance, a water-soluble medium and an additive composed of at least one of an organic acid salt and an inorganic acid salt comprises a first mixing process for mixing at least the dye and the water-soluble substance except the additive among the substances contained in the ink, a second mixing process for mixing the mixture mixed by the first mixing process with the additive, and a pH adjustment process for preparing a solution containing the mixture and a solution containing the additive while adjusting the solution to have pH in a prescribed range by using a pH adjuster before the second mixing process.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2004352886A Ink for inkjet recording 审中-公开
标题翻译：喷墨记录
公开(公告)号：JP2004352886A
公开(公告)日：2004-12-16
申请号：JP2003153199
申请日：2003-05-29
申请人： Matsushita Electric Ind Co Ltd , Ricoh Co Ltd , 松下電器産業株式会社 , 株式会社リコー
发明人： HIGETA SHIGERU , MATSUDA TSUTOMU , ITO MASASHI , SOGA SANEMORI , ARASE HIDEKAZU , TACHIKAWA MASAICHIRO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording which suffers from no decoloration even when left standing for a long period of time and gives an image excellent in water resistance even when printed on plain paper.
SOLUTION: The ink for inkjet recording comprises at least Acid Red 289, a humectant and water, where Acid Red 289 gives, in the analysis thereof by the liquid chromatography, a main peak having a retention time (which is let be 1) and a surface area A, and peaks each having a retention time of at least 1.2 and a total surface area B, with the A/B ratio of at least 4.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使长时间静置也不会脱色的喷墨记录用油墨，即使在普通纸上印刷时，也能赋予防水性优异的图像。解决方案：用于喷墨记录的油墨至少包含酸性红289，一种保湿剂和水，其中酸性红289在其通过液相色谱法分析时得到具有保留时间的主峰（其为1 ）和表面积A，并且各自具有至少1.2的保留时间和总表面积B的峰，其A / B比至少为4.版权所有（C）2005，JPO和NCIPI

4. 发明专利

JP2005022212A Image forming method 审中-公开
标题翻译：图像形成方法
公开(公告)号：JP2005022212A
公开(公告)日：2005-01-27
申请号：JP2003189769
申请日：2003-07-01
申请人： Matsushita Electric Ind Co Ltd , Ricoh Co Ltd , 松下電器産業株式会社 , 株式会社リコー
发明人： MATSUDA TSUTOMU , HIGETA SHIGERU , ITO MASASHI , SOGA SANEMORI , ARASE HIDEKAZU , TACHIKAWA MASAICHIRO
IPC分类号： B41J2/01 , B41M5/00 , B41M5/50 , B41M5/52 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an image forming method which is best suited for ink jet recording and forms a water-proof image with an assurance that the high water resistance effect on an image by a water-soluble substance which triggers condensation polymerization reaction following the evaporation of water, can be more positively obtained, in a method for forming an image on a base material to be printed by discharging ink containing the water-soluble substance e.g. an organic silicon compound following the evaporation of water by ink jet recording process, and ink for ink jet recording to be used in this method, an ink jet recording device and an image forming object recorded by the ink jet recording device.
SOLUTION: In the image forming method for forming the image on the base material to be printed by discharging the ink for ink jet recording from a nozzle, the surface of the base material to be printed is sized using a cationic surface sizing agent. In addition, the ink for ink jet recording contains a coloring material with an anionic group, a humectant, water and the water-soluble substance which begins the condensation polymerization reaction following the evaporation of water.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种最适合于喷墨记录的图像形成方法，并形成防水图像，以确保通过触发冷凝的水溶性物质对图像的高耐水性影响在通过排出含有水溶性物质的油墨的待印刷基材上形成图像的方法中可以更积极地获得水蒸发后的聚合反应，例如通过喷墨记录方法蒸发水后的有机硅化合物，用于该方法的喷墨记录用油墨，喷墨记录装置和由喷墨记录装置记录的成像物体。解决方案：在用于通过从喷嘴排出喷墨记录用油墨而在待印刷的基材上形成图像的图像形成方法中，使用阳离子表面施胶剂。此外，用于喷墨记录的油墨包含具有阴离子基团的着色材料，湿润剂，水和在水蒸发后开始缩聚反应的水溶性物质。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004352884A Ink for inkjet recording 审中-公开
公开(公告)号：JP2004352884A
公开(公告)日：2004-12-16
申请号：JP2003153122
申请日：2003-05-29
申请人： Matsushita Electric Ind Co Ltd , Ricoh Co Ltd , 松下電器産業株式会社 , 株式会社リコー
发明人： HIGETA SHIGERU , MATSUDA TSUTOMU , ITO MASASHI , SOGA SANEMORI , ARASE HIDEKAZU , TACHIKAWA MASAICHIRO
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide ink for inkjet recording which does not cause clogging when printed after left standing for a long term and ensures water resistance of an image by rapid and sure enclosure of a coloring material by quick completion of a polycondensation reaction on a recording medium of a water-soluble substance, which initiates the polycondensation reaction accompanied with water evaporation, after adhesion of the ink onto the recording medium as rapidly as immediately after the preparation of the ink.
SOLUTION: The ink for inkjet recording comprises at least the coloring material, a humectant, water, the water-soluble substance which initiates the polycondensation reaction accompanied with water evaporation, and a pH buffering agent.
COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2009067912A Pigment dispersion, manufacturing method of pigment ink, recording apparatus obtained using the same, and recorded matter 有权
标题翻译：颜料分散剂，颜料墨水的制造方法，使用其的记录装置和记录的物质
公开(公告)号：JP2009067912A
公开(公告)日：2009-04-02
申请号：JP2007238732
申请日：2007-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HASEGAWA SHIN , TANIGUCHI KEIJI , HAKIRI MINORU , NARUSE MITSURU , HOSOKI YASUYUKI , HATADA SHIGEO , HIGETA SHIGERU , NATORI YUJI , OSADA NOBUTAKA
IPC分类号： C09D17/00 , B41J2/01 , B41M5/00 , C09C3/04 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To achieve both preservability of a pigment dispersion and an aqueous pigment ink (particularly no changes of properties when preserved at a high temperature) and jetting properties and image density of the pigment ink which may be deteriorated when carbon black is used. SOLUTION: The manufacturing method of the pigment dispersion comprises preparing the pigment dispersion comprising a dispersed pigment particle which has an average particle size (D50) of at most 200 nm and a standard deviation of the particle size smaller than the average particle size (D50) in a particle size distribution of the pigment particle by a manufacturing process comprising a step wherein a mixture comprising at least a carbon black pigment, a dispersant and water is dispersed by means of a media mill and subsequently redispersed by a medialess mill where an ultrasonic dispersing machine is used as the medialess mill. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了实现颜料分散体和水性颜料墨水的保存性（特别是在高温下保存时的特性不变）和颜料墨的喷射性能和图像密度，当碳黑色被使用。解决方案：颜料分散体的制造方法包括制备颜料分散体，其包含平均粒径（D50）为至多200nm的分散颜料颗粒和粒径小于平均粒径的标准偏差（D50），其通过包括以下步骤的制造方法在颜料颗粒的粒度分布中进行，其中至少包含炭黑颜料，分散剂和水的混合物通过介质研磨机分散，随后通过无内胎磨机再分散，使用超声波分散机作为无内胎磨。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2004137357A Aqueous recording liquid and method for recording using the same 审中-公开
公开(公告)号：JP2004137357A
公开(公告)日：2004-05-13
申请号：JP2002302788
申请日：2002-10-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIGETA SHIGERU
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To obtain an aqueous recording liquid having practically sufficient drying properties even without using a specific dryer and no image deterioration such as print through, bleeding, etc., of image in a high-speed printing ink-jet printer and to provide a method for recording using the same. SOLUTION: The aqueous recording liquid comprises at least a water-soluble or water-dispersible colorant, water, 2-n-butyl-2-ethyl-1,3-propanediol, a ≤4C diol derivative and a water-soluble organic solvent as an ink composition. The aqueous recording liquid is stored in an ink cartridge, loaded on an ink-jet printer, discharged as liquid drops from a fine discharge opening and flown to form an image on a recording medium. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2009067830A Pigment dispersion and recording ink using the same and ink cartridge and image recorder using the same 审中-公开
标题翻译：颜料分散和记录使用相同的墨盒和墨盒和图像记录器
公开(公告)号：JP2009067830A
公开(公告)日：2009-04-02
申请号：JP2007234868
申请日：2007-09-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NARUSE MITSURU , TANIGUCHI KEIJI , HAKIRI MINORU , HOSOKI YASUYUKI , HASEGAWA SHIN , NATORI YUJI , OSADA NOBUTAKA , HATADA SHIGEO , HIGETA SHIGERU
IPC分类号： C09C3/10 , B41J2/01 , B41M5/00 , C09B67/20 , C09B67/46 , C09C1/48 , C09D11/00 , C09D11/322 , C09D11/324
摘要： PROBLEM TO BE SOLVED: To provide a pigment dispersion which is excellent in dispersibility even in the case of a high solid content of the pigment dispersion itself, has low liquid viscosity, hardly undergoes variation of liquid property over a long period of time, and avoids deterioration of the liquid property even when used as recording ink, and recording ink, in particular, to provide a pigment dispersion giving high image density and excellent also in discharge stability and liquid stability, and a technique related to the pigment dispersion and inkjet ink using the same. SOLUTION: The pigment dispersion includes a pigment and an organic base salt of a naphthalenesulfonic acid-formalin condensation product. The organic base is preferably an alcoholamine. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题：为了提供即使在颜料分散体本身的固体含量高的情况下也具有优异的分散性的颜料分散体，具有低液体粘度，在长时间内几乎不会发生液体性质的变化并且即使在用作记录油墨时也避免了液体性能的劣化，特别是记录油墨，特别是提供了具有高图像密度和优异的喷射稳定性和液体稳定性的颜料分散体，以及与颜料分散和喷墨油墨使用相同。颜料分散体包括萘磺酸 - 甲醛缩合产物的颜料和有机碱盐。有机碱优选为醇胺。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009062519A Inkjet ink as well as ink cartridge, inkjet recording method, inkjet recording apparatus and ink recorded matter 审中-公开
标题翻译：喷墨墨盒，墨盒，喷墨记录方法，喷墨记录装置和墨盒记录事项
公开(公告)号：JP2009062519A
公开(公告)日：2009-03-26
申请号：JP2008196734
申请日：2008-07-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJII ICHIRO , MATSUYAMA AKIHIKO , YOKOHAMA YUKI , HATADA SHIGEO , TANIGUCHI KEIJI , HIGETA SHIGERU
IPC分类号： B41J2/01 , B41J2/135 , B41J2/14 , B41J2/16 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an inkjet ink which can prevent the fixation to a nozzle plate and is excellent in the ejection stability, as well as to provide an ink cartridge, inkjet recording method, inkkjet recording apparatus and inkkjet recorded matter each using this ink. SOLUTION: The inkejet ink contains at least a coloring agent, water, a water insoluble resin, a fluorine-based surfactant and a polyether-modified silicone oil, with the polyether-modified silicone oil having a hydrophobic value expressed by the following numerical formula 1 of from 0.40 to 1.5; wherein [numerical formula 1]: a hydrophobic value = A/B, in the numerical formula 1, A is an integral value from 0 ppm to 0.3 ppm of the polyether-modified silicone oil in 1 H-NMR spectrum of tetramethyl silane (TMS) as the standard substance; B is an integral value from 3.5 ppm to 4.0 ppm of the polyether-modified silicone oil in 1 H-NMR spectrum of the tetramethyl silane (TMS) as the standard substance. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止喷嘴板的固定并且喷射稳定性优异的喷墨油墨，以及提供墨盒，喷墨记录方法，墨水记录装置和墨水记录物质每个使用这种墨水。解决方案：喷墨油墨至少含有着色剂，水，不溶于水的树脂，氟系表面活性剂和聚醚改性的硅油，聚醚改性硅油具有以下表示的疏水性值数值公式1为0.40〜1.5; 其中[数值式1]：疏水性值= A / B，在数学式1中，A是0分钟至0.3ppm的聚醚改性硅油在 1 H- 四甲基硅烷（TMS）作为标准物质的NMR光谱; B是作为标准物质的四甲基硅烷（TMS）的 1/1 H-NMR光谱中的聚醚改性硅油的3.5ppm至4.0ppm的积分值。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006249393A Water-based ink ink cartridge ink-recorded matter ink jet recording device, and ink jet recording method 审中-公开
标题翻译：水墨墨盒墨盒记录墨水记录装置和墨水记录方法
公开(公告)号：JP2006249393A
公开(公告)日：2006-09-21
申请号：JP2005072072
申请日：2005-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OSADA NOBUTAKA , HIGETA SHIGERU
IPC分类号： B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a water-based ink, an ink cartridge using the water-based ink, an ink-recorded matter, an ink-jet recording device and an ink-jet recording method that has excellent penetrability and drying property and can form images of high quality having markedly improved color vividness, reduced bleeding, further shows excellent scraping properties in the coated paper. SOLUTION: The water-based ink includes color agent, a polyol having a solubility of 0.2 to 4.5 mass% in water at 20°C and a water-based resin. COPYRIGHT: (C)2006,JPO&NCIPI

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