Patent application number | Description | Published |
20100277548 | INKJET RECORDING INK, INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDING APPARATUS, AND INK RECORDED MATTER - The present invention provides an inkjet recording ink containing at least a pigment dispersion liquid A containing at least a first carbon black, a dispersant, and water, and a self-dispersible pigment dispersion liquid B which contains a second carbon black having a surface functional group, wherein a mass ratio (Ac:Bc) of the amount of the first carbon black (Ac) in the pigment dispersion liquid A to the amount of the second carbon black (Bc) having a surface functional group in the self-dispersible pigment dispersion liquid B is 98:2 to 50:50. | 11-04-2010 |
20100309260 | INKJET RECORDING INK, INK CARTRIDGE, INKJET PRINTING APPARATUS AND IMAGE FORMING METHOD - An inkjet recording ink including a carbon black, a dispersant, a polyurethane resin particle, and water, where the carbon black is a channel black, a gas black, or a mixture of channel black and a gas black, and the polyurethane resin particle is an anionic self-emulsifying ether-based polyurethane resin particle, wherein the anionic self-emulsifying ether-based polyurethane resin particle has an acid value of 40 to 120 and a mass average molecular weight of 500 to 50,000, and an average primary particle diameter of 20 nm or less. | 12-09-2010 |
20110071250 | COLORANT DISPERSION OF RECORDING INK, AND RECORDING INK USING THE SAME - The present invention provides a colorant dispersion for a recording ink containing at least a dispersant, a colorant, and water, wherein the dispersant is a polycarboxylic acid dispersant containing units represented by formulae (1) to (3): where R1, R2, and R4 are selected from a hydrogen atom and CH3; R3 is selected from a hydrogen atom and a C1-C3 alkyl group; R5 represents a C1-C3 alkyl group; AO and BO represent a C2-C3 oxyalkylene group; M is selected from alkali metal, alkali earth metal, ammonium, and organic amine; m represents an integer of 1 to 30; and n represents an integer of 5 to 50. | 03-24-2011 |
20110074865 | INKJET RECORDING INK AND IMAGE FORMING METHOD - An inkjet recording ink which contains: a carbon black; a dispersant; resin emulsion; and water, in which the resin emulsion contains a resin which is at least one of a urethane resin and a styrene-acryl resin, and the ink satisfies the following relationship: 20≦B−A≦50, where A(nm) represents a particle diameter D90 of particles contained in dispersion containing the carbon black, the dispersant, and water, which is before added with the resin emulsion, and B(nm) represents a particle diameter D90 of particles contained in the ink. | 03-31-2011 |
20110267398 | INKJET INK, INK CARTRIDGE, IMAGE FORMING DEVICE, IMAGE FORMING METHOD, AND IMAGE FORMED MATTER - To provide an inkjet ink containing C4-6 diol; and trimethylglycine. | 11-03-2011 |
20120026237 | PIGMENT DISPERSION LIQUID, INKJET INK, INK CARTRIDGE, IMAGE FORMING APPARATUS, RECORDING METHOD , AND IMAGE FORMED MATTER - The present invention provides an inkjet pigment dispersion liquid including a carbon black, a dispersant, and water, wherein the total number of coarse particles having a particle diameter of 0.5 μm or greater contained in the inkjet pigment dispersion liquid is 1,000,000/5 μL or less, and provides an inkjet ink using the inkjet pigment dispersion liquid. | 02-02-2012 |
20120062646 | INKJET RECORDING INK SET, INK CARTRIDGE, AND INKJET RECORDING APPARATUS - An inkjet recording ink set containing at least a black pigment ink and a color pigment ink which has a color selected from one or more colors, wherein the black pigment ink contains a first anionic self-emulsifying ether polyurethane resin having an acid value of 65 mgKOH/g to 85 mgKOH/g, and the at least one color pigment ink of every color contains a second anionic self-emulsifying ether polyurethane resin having an acid value 10 mgKOH/g to 40 mgKOH/g lower than those of the first anionic self-emulsifying ether polyurethane resin contained in the black pigment ink. | 03-15-2012 |
20120092411 | INK FOR INK JET RECORDING, INK JET RECORDING DEVICE, IMAGE FORMING METHOD, AND IMAGE RECORDED MEDIUM - Ink for ink jet recording containing a coloring agent, water, an aqueous organic solvent, and a polyacrylic acid ester-based polymer represented by the following chemical structure 1: | 04-19-2012 |
20120154492 | INKJET RECORDING INK AND INK CARTRIDGE - An inkjet recording ink including a pigment dispersion liquid containing at least a first carbon black and a dispersant, a second carbon black, a penetrant, a wetting agent and water, wherein the first carbon black has an average particle diameter D50 of 70 nm to 180 nm as measured by a dynamic light scattering method and has a particle diameter standard deviation equal to or smaller than ½ of the average particle diameter, wherein the dispersant is a condensate of naphthalene sulfonic acid and formalin, wherein the second carbon black is carbon black coated with a resin, and wherein the penetrant is a 2-ethyl-1,3-hexandiol. | 06-21-2012 |
20120242741 | INKJET RECORDING INK SET AND INK CARTRIDGE, AND RECORDING DEVICE, IMAGE FORMING METHOD, AND IMAGE-FORMED ARTICLE USING SUCH INK SET - An inkjet recording ink set, which contains at least: a black pigment ink; and a color pigment ink, wherein the black pigment ink contains a black pigment treated with an anionic surfactant, and a black pigment coated with a resinous polymer, and water, and the black pigment ink is a pigment dispersion liquid where the black pigment treated with the anionic surfactant and the black pigment coated with the resinous polymer are dispersed in the water, and wherein the color pigment ink contains a color pigment, a nonionic surfactant, and water, and the color pigment ink is a pigment dispersion liquid where the color pigment is dispersed in the water with assistance of the nonionic surfactant. | 09-27-2012 |
20120262518 | INKJET INK, PIGMENT DISPERSION, IMAGE FORMING METHOD, INKJET RECORDING APPARATUS, INK CARTRIDGE, AND PRINT - An inkjet ink including water, a pigment, a polymer, and a hydrazine compound. The polymer does not include an anionic unit and includes a first unit having a carbonyl group capable of reacting with a hydrazino group, and a second unit having at least one of an amino group, a dimethylamino group, and a diethylamino group. The content of the first unit is from 40% to 90% by weight based on the weight of the polymer, and the inkjet ink has a pH of not less than 9. | 10-18-2012 |
20130147876 | INKJET RECORDING INK - An inkjet recording ink including: water; a first pigment dispersion; a second pigment dispersion; and a penetrating agent, wherein the first pigment dispersion includes oxidized carbon black CB-1 dispersed therein with a pH of the first pigment dispersion adjusted to 6 to 8 with an alkali metal hydroxide, where the oxidized carbon black CB-1 is oxidized with ozone and has a volatile content of 10% to 20% and a BET specific surface area of 90 m | 06-13-2013 |
20130182056 | INKJET RECORDING INK, INK CARTRIDGE, AND INKJET RECORDING DEVICE - An inkjet recording ink including water; a dispersant containing a block type copolymer having structural unit of a diene monomer and an aromatic vinyl monomer, wherein the block type copolymer has a sulfonic acid group or salt thereof; a first carbon black; and a second carbon black having 2.0 μmol/m | 07-18-2013 |
20130242013 | INKJET RECORDING INK, INK CARTRIDGE, AND INKJET RECORDING METHOD - An inkjet recording ink, including: water; a wetting agent; a colorant; and polymer microparticles, wherein the polymer microparticles are each a copolymer of a monomer represented by the following structural formula (1) or the following general formula (2), a monomer represented by the following general formula (3), and a macromonomer represented by the following general formula (4): | 09-19-2013 |
20140028765 | INK FOR INKJET RECORDING, INK CARTRIDGE AND INKJET RECORDING APPARATUS - An ink for inkjet recording including a pigment, a penetrating agent and water, wherein the pigment includes: an ozone-oxidized carbon black, including carbon black oxidized by ozone and having a volatile matter content of the carbon black of 10% by mass to 20% by mass and a BET specific surface area of 90 m | 01-30-2014 |
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 |
20140077486 | INKJET INK, INK CARTRIDGE CONTAINING THE INKJET INK, INKJET RECORDING METHOD USING THE INKJET INK, INKJET RECORDING APPARATUS USING THE INK CARTRIDGE, AND PRINT FORMED BY THE INKJET INK - An inkjet ink is provided. The inkjet ink includes water; a penetrant, a pigment, and a polymer compound. The polymer compound includes a unit (A) including a functional group having the below-mentioned formula (1) or (2), and another unit (B) including a carboxyl group. The unit (A) is included in the polymer compound in an amount of from 30% to 90% by weight based on the total weight of the polymer compound. | 03-20-2014 |
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 |