Patent application number | Description | Published |
20090047431 | INKJET INK, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDING APPARATUS AND INK RECORD USING THE SAME - The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1: | 02-19-2009 |
20110057981 | RECORDING INK AS WELL AS INK MEDIA SET, INK CARTRIDGE, INK RECORDED MATTER, INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD - A recording ink containing at least a solid component which contains a colorant and a resin and is a solid at 25° C., a liquid component which has a higher boiling point than that of water and is a liquid at 25° C. and water, wherein the total content of the liquid component in the recording ink is 20% by mass or less, the total content of the solid component in the recording ink is 20% by mass or more, and the total content of a resin component in the solid component is 40% by mass to 95% by mass relative to a total amount of the solid component is provided. | 03-10-2011 |
20120293582 | PIGMENT DISPERSION, RECORDING INK, INK CARTRIDGE, INK-JET RECORDING METHOD AND INK-JET RECORDING APPARATUS - A recording ink containing a pigment dispersion, a surfactant, a water-dispersible resin, a humectant and water. The pigment dispersion contains a pigment dispersant, which is an anionic surfactant or a nonionic surfactant having an HLB value of 10 to 20. The pigment dispersion also contains a polymer dispersion stabilizer, which is an alpha-olefin/maleic anhydride copolymer expressed by the formula (1) below, where R is an alkyl group having 6 to 25 carbon atoms, and where the mass average molecular weight of the copolymer is 5000 to 20000. An ink cartridge, an inkjet recording method, an inkjet recording apparatus, and an ink recorded matter, each employing the recording ink, are also provided. | 11-22-2012 |
20120320133 | INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING, INK MEDIA SET FOR INKJET RECORDING, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDING APPARATUS - An ink for inkjet recording containing water, water-soluble organic solvent, water-dispersible resin, fluorochemical surfactant or derivative thereof, and coloring agent containing pigment, where the ink has a surface tension of 20-35 mN/m and viscosity of ≧5 mPa·s at 25° C., total amount of the water-dispersible resin and the coloring agent in the ink is 5-40% by mass, and mass ratio A/B of the water-dispersible resin A to the coloring agent B is 0.5-4, where the ink is applied to a recording medium containing a support containing cellulose pulp, and one or more barrier layers disposed on a face of the support, and where the barrier layer contains ≧30% by mass of inorganic pigment having refractive index of ≧1.5, excluding aluminum hydrate, and ≦10% by mass of inorganic pigment having a refractive index of <1.5. | 12-20-2012 |
20130023614 | INKJET INK, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDING APPARATUS AND INK RECORD USING THE SAME - The present invention provides an inkjet ink containing at least a colorant, water, a water insoluble resin, a fluorine surfactant, and a polyether-modified silicone oil, wherein the polyether-modified silicone oil has a hydrophobic value of 0.40 to 1.5, and the hydrophobic value is expressed by Equation 1; | 01-24-2013 |
Patent application number | Description | Published |
20090035468 | RECORDING INK, INK SET, INK CARTRIDGE, INK RECORD, INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD - It is an object of the present invention to provide a recording ink which contains at least a pigment, a dispersant, a water-soluble solvent, a wetting agent and water, wherein the pigment contains at least one of diketopyrrolopyrrole red pigment and phthalocyanine green pigment in order to obtain a recording ink and ink set which excel in discharge stability with no head clogging during printing and can obtain high quality images with good color tone on the regular paper as well as on an exclusive recording paper; and ink cartridge, ink record, inkjet recording apparatus and inkjet recording method which utilize the recording ink and ink set respectively. | 02-05-2009 |
20090043028 | INK-MEDIA SET, INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDING APPARATUS, AND INK RECORDED MATTER - An ink-media set, comprising an ink composition and a recording medium, wherein the ink composition comprises a polymer fine particle containing a dye and an inorganic pigment particle, a water-soluble solvent, and water, and has a surface tension of 20 mN/m to 35 mN/m at 25° C., and the recording medium comprises a support and a coating layer on at least one side of the support, and the amount of pure water transferred to the recording medium is no less than 2 ml/m2 and less than 35 ml/m2 at a contact period of 100 ms and the amount of pure water transferred to the recording medium is no less than 3 ml/m2 and less than 40 ml/m2 at a contact period of 400 ms by measurement of a dynamic scanning absorptometer. | 02-12-2009 |
20090098312 | RECORDING INK, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDING APPARATUS - The present invention provides a recording ink including a composite pigment particle, a water-soluble solvent, and water, wherein the composite pigment particle is a primary particle coated with a coating resin, wherein the primary particle is a white pigment on the surface of which an oil-soluble dye is adsorbed or attached. In one aspect, the white pigment is preferably at least one selected from a white inorganic pigment, a pearl pigment, and an extender pigment, in another aspect, the coating resin is preferably one of a (meth)acrylic resin, a polyester resin, and a polyurethane resin, wherein the acid value of the coating resin is from 50 mgKOH/g to 250 mgKOH/g, and in another aspect, an average particle diameter (D50%) of the composite pigment particle is preferably 150 nm or less. | 04-16-2009 |
20090176070 | Pigment Dispersion, Recording Ink, Ink Cartridge, Ink-Jet Recording Method and Ink-Jet Recording Apparatus - A pigment dispersion is provided that includes a pigment, a pigment dispersant, a polymer dispersion stabilizer and water, wherein the polymer dispersion stabilizer is an alpha-olefin/maleic anhydride copolymer expressed by the formula (1) below. A recording ink is also provided that includes the pigment dispersion, a surfactant, a water-dispersible resin, a humectant and water. | 07-09-2009 |
20090186162 | INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING, INK MEDIA SET FOR INKJET RECORDING, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDING APPARATUS - To provide an ink for inkjet recording containing water, water-soluble organic solvent, water-dispersible resin, fluorochemical surfactant or derivative thereof, and coloring agent containing pigment, wherein the ink has a surface tension of 20-35 mN/m and viscosity of 5 mPa·s or more at 25° C., total amount of the water-dispersible resin and the coloring agent in the ink is 5-40% by mass, and mass ratio A/B of the water-dispersible resin A to the coloring agent B is 0.5-4, wherein the ink is applied for a recording medium for inkjet recording containing a support containing cellulose pulp, and one or more barrier layers disposed on at least one face of the support, and wherein the barrier layer contains 30% by mass or more of inorganic pigment having refractive index of 1.5 or more, excluding aluminum hydrate, and 10% by mass or less of inorganic pigment having a refractive index of less than 1.5. | 07-23-2009 |
20100285287 | MAGENTA RECORDING INK COMPOSITION, INKJET RECORDING METHOD, AND INK RECORDED MATTER - The present invention provides a magenta recording ink composition including at least a solid solution pigment (A) containing quinacridone, a lake pigment (B) having a xanthene structure, an aqueous solvent, and water, wherein the solid solution pigment (A) has visible light absorption peaks at wavelength ranges of from 510 nm to 530 nm and from 540 nm to 560 nm, and a mass ratio (B/A) of the lake pigment (B) to the solid solution pigment (A) falls within the range of 0.1 to 5. | 11-11-2010 |
20110205288 | INKJET RECORDING INK, INKJET RECORDING INKSET, INK CARTRIDGE, INKJET RECORDING METHOD, AND RECORDED MATTER - An inkjet recording ink containing a colorant, a surfactant A, a surfactant B, a water soluble organic solvent, and water, wherein the surfactant A is expressed by any one of Structural Formula (1) and Structural Formula (2), and the surfactant B is expressed by Structural Formula (3): in Structural Formula (1), R1 represents hydrogen, an alkyl group, or an acyl group; Rf represents —CF | 08-25-2011 |
20120098883 | INK FOR INKJET RECORDING, INKJET RECORDING METHOD USING THE SAME, INK CARTRIDGE HOUSING THE SAME, AND RECORDED MATTER - An ink for inkjet recording, containing: dispersed particles A; dispersed particles B; a water-soluble solvent; a surfactant; and water, wherein the dispersed particles A are coloring particles obtained by dispersing an organic pigment in water with assistance of a surfactant, and the dispersed particles B are coloring particles obtained by dispersing a polymer-coated organic pigment in water. | 04-26-2012 |
20120328853 | INKJET RECORDING INK SET, INKJET RECORDING METHOD AND RECORDED MATTER - An inkjet recording ink set including: a black ink; and color inks composed of a cyan ink, a magenta ink and a yellow ink, wherein the black ink contains a water-soluble solvent, a surfactant, water, and colored polymer emulsion particles obtained by dispersing, in water, carbon black coated with a vinyl polymer or a polyester polymer, wherein the cyan ink, the magenta ink and the yellow ink each contain a corresponding color dye, a water-soluble solvent, and water, and wherein an amount S of the water-soluble solvent contained in each color ink occupies 40% by mass or more of a total amount of each color ink, a ratio (S/W) of the amount S of the water-soluble solvent to an amount W of the water contained in each color ink is in the range of 0.7 to 1.6, and each color ink does not have a flash point. | 12-27-2012 |
20120328854 | INKJET RECORDING INK SET, INKJET RECORDING METHOD, AND RECORDED MATTER - An inkjet recording ink set including a black ink and color inks, wherein the black ink and the color inks each contain at least a dye, a water-soluble solvent and water and each have a viscosity of 5 mPa-s to 20 mPa-s at 25° C., and wherein the respective color inks each satisfy a mass ratio relationship of S/W≧1, and the black ink satisfies a mass ratio relationship of S/W<1, where S denotes an amount of the water-soluble solvent contained in the respective inks, and W denotes an amount of the water contained in the respective inks. | 12-27-2012 |
Patent application number | Description | Published |
20110216123 | INKJET RECORDING INK CONTAINING FLUORINE BASED SURFACTANT, INKJET RECORDING INK SET, AND INKJET RECORDING APPARATUS CONTAINING THE INKJET RECORDING INK - An inkjet recording ink including a water-soluble organic solvent, a colorant, at least one fluorine-based surfactant having a chemical structure represented by Structural Formula (I) below, and water, | 09-08-2011 |
20120207983 | INKJET INK SET, IMAGE FORMING METHOD USING SAME, AND PRINT FORMED BY THE IMAGE FORMING METHOD - An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink. | 08-16-2012 |
20120236066 | INKJET RECORDING INK, INK CARTRIDGE AND INKJET RECORDING METHOD - An inkjet recording ink including: a colorant; surfactant A; surfactant B; a water-soluble organic solvent; and water, wherein the surfactant A is represented by General Formula (1), and the surfactant B is at least one selected from compounds represented by General Formulas (2 | 09-20-2012 |
20130071637 | INK COMPOSITION FOR INKJET RECORDING, INKJET RECORDING METHOD, AND INKJET RECORDED MATERIAL - An ink composition having organic pigment particles, a hydrosoluble solvent; a dispersing agent, and water, wherein each of the organic pigment particles has a circularity of 2 nm or less, which is defined as a difference between radii of concentric circumscribing and inscribed circles of a contour of an image of each of the organic pigment particles taken by a transmission electron microscope when a gap between the concentric circumscribing circle and the inscribed circle is least, wherein the inscribed circle has a diameter of from 5 nm to less than 50 nm. | 03-21-2013 |
20140017461 | INK COMPOSITION, INKJET RECORDING METHOD, AND PRINTED MATTER - The present invention provides an ink composition that contains a pigment, a dispersant, a hydrosoluble solvent; and water,
| 01-16-2014 |
20140065386 | YELLOW INK COMPOSITION FOR INKJET RECORDING, AND INKJET RECORDING METHOD AND INKJET RECORDED MATERIAL - A yellow ink composition includes a particulate pigment; a dispersant; a water-soluble solvent; and water, wherein the ink composition satisfies the following relationship: | 03-06-2014 |
20140072779 | INKJET INK, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET PRINTED MATTER - Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°, | 03-13-2014 |
20140092180 | INK COMPOSITION, RECORDING METHOD, PRINTED MATTER, INK CARTRIDGE, AND INKJET RECORDING DEVICE - An ink composition contains a pigment represented by the following chemical formula 1; a hydrosoluble solvent; and water, wherein the pigment satisfies the following relation 1: 0.04004-03-2014 | |
20140120331 | INK FOR INKJET RECORDING - An ink for inkjet recording includes water, a water-soluble solvent, a pigment and a copolymer including a salt of phosphonic acid group. The copolymer including a salt of phosphonic acid group includes structural units having the following formulae (1) and (2) or (3): | 05-01-2014 |
20140141209 | INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDER AND INK-RECORDER MATTER USING THE INK - An ink for inkjet recording includes water; a water-soluble solvent; a pigment; and a copolymer including a salt of phosphonic acid group. The copolymer including a salt of phosphonic acid group includes structural units having the following formulae (1) and (2): | 05-22-2014 |
20140199530 | INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDER, INK-RECORDED MATTER AND METHOD OF PRODUCING THE INK-RECORDED MATTER USING THE INK - An ink for inkjet recording, which is used for recording on a paper having a concentration of an eluted Ca ion of from 1.0×10 | 07-17-2014 |
20140242352 | INKJET INK, INK STORAGE CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER - An inkjet ink that contains at least water; a water-soluble organic solvent; a pigment; and a copolymer or a salt thereof. The copolymer or the salt thereof has at least a structural unit represented by Formula 1, a structural unit represented by Formula 2, and a structural unit represented by Formula 3 or 4. | 08-28-2014 |
20140267516 | INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORDING APPARATUS, INKJET RECORDING METHOD AND INK RECORDING MATTER - An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following general formula (2): | 09-18-2014 |
20140275401 | INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORDING APPARATUS, INKJET RECORDING METHOD AND INK RECORDED MATTER - An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following structural formula (1): | 09-18-2014 |
20150056425 | INK FOR INKJET RECORDING - An ink for inkjet recording includes water; a hydrosoluble solvent, a pigment, and a copolymer including a salt of a diphosphonic acid group. The copolymer including a salt of a diphosphonic acid group includes structural units having the following formulae (1) and (2): | 02-26-2015 |
20150064418 | INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET PRINTED MATTER - An ink composition contains a pigment; a copolymer containing a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y03-05-2015 | |
20150064425 | INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET PRINTED MATTER - An ink composition contains a pigment; a copolymer comprising a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: | 03-05-2015 |