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公开(公告)号：AT474026T
公开(公告)日：2010-07-15
申请号：AT05755690
申请日：2005-06-28
Applicant: CANON KK
Inventor： IMAI TAKASHI , SANADA MIKIO , NITO YASUHIRO , IWATA TETSU , HAKAMADA SHINICHI , SUGAMA SADAYUKI , TAKAYAMA HIDEKI
Abstract: 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 B 1 /A 1 is from 0.5 or more to 3.0 or less, where A 1 denotes the total content (mass%) of the good medium based on the total mass of the cyan ink and B 1 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.
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公开(公告)号：CA2565700C
公开(公告)日：2010-05-04
申请号：CA2565700
申请日：2005-06-28
Applicant: CANON KK
Inventor： KITAMURA YUI , SANADA MIKIO , TAKIZAWA YOSHIHISA , OGASAWARA MASASHI , WATANABE TOMONARI , IMAI TAKASHI , NITO YASUHIRO , IWATA TETSU , HAKAMADA SHINICHI , SUGAMA SADAYUKI
Abstract: 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.
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公开(公告)号：DE60226675D1
公开(公告)日：2008-07-03
申请号：DE60226675
申请日：2002-08-21
Applicant: CANON KK
Inventor： SHIROTA KOROMO , KOIKE SHOJI , AOKI MAKOTO , SUZUKI MARIKO , TAKAYAMA HIDEKI , NITO YASUHIRO
Abstract: Provided is an ink which comprises an aqueous medium and a coloring material dispersed in the aqueous medium with a dispersant, where the coloring material is contained in an amount of at most 1% by weight with respect to the total weight of the ink, and the ratio (B/P ratio) of the dispersant to the coloring material is larger than 1.
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公开(公告)号：BRPI0508218A
公开(公告)日：2007-07-17
申请号：BRPI0508218
申请日：2005-03-16
Applicant: CANON KK
Inventor： TAKADA YOICHI , SAKAI JUNICHI , FUJIOKA FUMIAKI , NITO YASUHIRO , TSUJIMURA MASASHI , IMAI TAKASHI , HAKAMADA SHINICHI , SUGAMA SADAYUKI , MISHINA SHINYA
IPC: B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38 , C09D11/54
Abstract: 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.
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公开(公告)号：DE60303848T2
公开(公告)日：2006-11-02
申请号：DE60303848
申请日：2003-09-16
Applicant: CANON KK
Inventor： MISHINA SHINYA , HAKAMADA SHINICHI , ASAKI NORIYASU , NITO YASUHIRO , TSUJIMURA MASASHI , IMAI TAKASHI
IPC: B41J2/01 , B41M5/00 , B41J2/17 , B41J2/175 , B41J2/21 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38 , C09D11/54
Abstract: A reaction solution that is used for image recording with an ink containing a coloring material in a dissolved or dispersed state to destabilize the dissolved or dispersed state of the coloring material in the ink in contact with the ink to provide high quality and abrasion-resistant images, wherein the reaction solution contains at least a polyvalent metal ion and a nonionic polymer, the Ka value according to the Bristow method is from 1.3 mL.m .msec to 3.0 mL.m .msec inclusive, and the viscosity is from 20 mPa.s to 150 mPa.s inclusive.
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Patent Agency Ranking
公开(公告)号：ES2255649T3
公开(公告)日：2006-07-01
申请号：ES03020941
申请日：2003-09-16
Applicant: CANON KK
Inventor： NITO YASUHIRO , MISHINA SHINYA , HAKAMADA SHINICHI , TAKADA YOICHI , AKASAKA TOSHIFUMI , TSUJIMURA MASASHI
Abstract: Solución de reacción para su utilización de la impresión de imágenes en relación con una tinta que contiene un material de color en estado disuelto o dispersado, desestabilizando la solución de reacción el estado disuelto o dispersado del material de color en la tinta que se encuentra en contacto con la misma. Comprendiendo la solución de reacción un ión de metal polivalente y un disolvente orgánico, teniendo un pH de 2 o superior y teniendo una acción tampón para las variaciones de pH, que puede mantener la variación del pH dentro de una gama de 0, 5 antes y después de la adición de 1, 0 ml de una solución de hidróxilo de litio en agua 0, 1 N a 50 ml de la solución de reacción, de manera que la solución de reacción contiene un tampón a iones metálicos resultantes del tampón.
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公开(公告)号：BRPI1102320A2
公开(公告)日：2012-11-06
申请号：BRPI1102320
申请日：2011-05-30
Applicant: CANON KK
Inventor： OGURI ISAMU , KAMO HISAO , NITO YASUHIRO , NOGUCHI TETSURO , TAGURI RYO , HERLAMBANG OLIVIA , HATTA NAOYA
IPC: B41M5/50
Abstract: The invention provides a recording medium having excellent ink absorbency and capable of forming a sharp image thereon. The recording medium has a substrate, and a first layer and an outermost layer provided on the substrate in this order, wherein the first layer contains at least one of alumina and alumina hydrate, the outermost layer contains a pigment and is lower in refractive index than the first layer, and the absolute dry coating amount of the outermost layer is 0.1 g/m 2 or more and 0.5 g/m 2 or less.
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公开(公告)号：DE602005021785D1
公开(公告)日：2010-07-22
申请号：DE602005021785
申请日：2005-06-28
Applicant: CANON KK
Inventor： TSUJIMURA MASASHI , SANADA MIKIO , NITO YASUHIRO , SUGAMA SADAYUKI
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公开(公告)号：ES2266368T3
公开(公告)日：2007-03-01
申请号：ES02018716
申请日：2002-08-21
Applicant: CANON KK
Inventor： SUZUKI MARIKO , KOIKE SHOJI , AOKI MAKOTO , SHIROTA KOROMO , TAKAYAMA HIDEKI , NITO YASUHIRO
IPC: B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
Abstract: Tinta para la impresión por chorrosde tinta que comprende agua, un material colorante insoluble en agua, un material dispersante de resina para dispersar en agua dicho material colorante insoluble en agua, glicerina, etilén urea y polioxietilén alquil éter con un HLB de 13 o más.
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公开(公告)号：DE60211812D1
公开(公告)日：2006-07-06
申请号：DE60211812
申请日：2002-08-21
Applicant: CANON KK
Inventor： SUZUKI MARIKO , KOIKE SHOJI , AOKI MAKOTO , SHIROTA KOROMO , TAKAYAMA HIDEKI , NITO YASUHIRO
IPC: B41J2/01 , B41J2/175 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/38
Abstract: Provided is an ink-jet ink suitable for high speed printing and reduced ink ejection amount, which ink comprise a water-insoluble coloring material dispersed in water with a resinous dispersant, glycerin, ethylene urea, and polyoxyethylene alkyl ether with HLB not lower than 13.
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