Patent application number | Description | Published |
20080213548 | Ink composition for ink jet recording, recording method, and recorded matter - There is provided an ink composition for ink jet recording, which can yield images having excellent gloss with good color reproduction even on various recording media having a low level of water absorption, especially synthetic paper and printing paper for running-on. The ink composition for ink jet recording comprises a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water-soluble 1,2-alkanediol, a poor water-soluble 1,2-alkanediol, and a poor water-soluble both terminal alkanediol, and the alkanediol satisfies a requirement on a weight basis of A:(B+C)=2:1 to 2:3 wherein A represents the content of the water-soluble 1,2-alkanediol in the alkanediol; B represents the content of the poor water-soluble 1,2-alkanediol in the alkanediol; and C represents the content of the poor water-soluble both terminal alkanediol in the alkanediol. | 09-04-2008 |
20090176071 | INK COMPOSITION FOR INK JET RECORDING - An object of the present invention is to provide an ink composition with which images with high quality without white streaks or roughness can be provided even when the images are printed at a low resolution on coated printing paper such as art paper. The ink composition for ink jet recording at least includes a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent contains a slightly water-soluble alkanediol, a water-soluble 1,2-alkanediol, and a dialkylene glycol. | 07-09-2009 |
20090297716 | Ink set, and ink jet recording method using the ink set - There is provided an ink set with which agglomeration of ink is suppressed, images free from white streaks or roughness can be provided even when printed at a low resolution, and good images, in particular, images having a good hue can be provided. | 12-03-2009 |
20090304927 | Clear ink composition - A clear ink composition includes at least a slightly water-soluble alkanediol, a water-soluble alcohol as a dissolution aid for the slightly water-soluble alkanediol, water, and polymer fine particles, but does not include a colorant. A 10-Hz dynamic surface tension of the ink composition is 26 mN/m or less. | 12-10-2009 |
20100010121 | Ink composition, recording method using the ink composition, ink cartridge - An ink composition that can be prevented from aggregating, form an image free from white streaks and harshness even in low-resolution printing, achieve high dissolution of clogging and high-temperature storage stability, and form a high-quality image, particularly an image having excellent hue is provided. | 01-14-2010 |
20100080962 | INK COMPOSITION FOR INK JET RECORDING - An object of the present invention is to provide an ink composition that enables high-quality images having no white stripes or roughness to be obtained even when the images are printed on printing paper, such as art paper, at low resolution, and the ink composition is an ink composition for ink jet recording containing at least a coloring material, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent contains an alkanediol sparingly soluble in water, a water-soluble 1,2-alkanediol, and a water-soluble 1,3-alkanediol. | 04-01-2010 |
20100086685 | INK COMPOSITION FOR INK JET RECORDING - An ink composition is provided that achieves high-quality images free of white streaks or rough textures even when low-resolution printing is performed on printing paper such as art paper. | 04-08-2010 |
20100087595 | INK COMPOSITION FOR INK JET RECORDING - Provided is an ink composition that can form a high-quality image free from bleeding or beading even on printing paper or off-set printing paper such as art paper, in particular, even in a case of low-resolution printing, and is excellent in the property of recovering from clogging even after having been left under environment of high temperature and low humidity. | 04-08-2010 |
20100289848 | INK COMPOSITION FOR INK JET RECORDING - There is provided an ink composition that can realize high-quality images free from white streaks or roughness even in low resolution when printing paper for running-on such as art paper is used. The ink composition comprises at least a colorant, water, an alcohol solvent, and a surfactant, wherein the alcohol solvent comprises a sparingly water soluble alkanediol, a water soluble alkanediol, and a water soluble alkanetriol. | 11-18-2010 |
20100321430 | INK COMPOSITION FOR INK JET RECORDING - An ink composition for ink jet recording contains a colorant, water, an alcohol solvent, and a surfactant. The alcohol solvent contains a water-insoluble alkanediol, a water-soluble 1,2-alkanediol, and a water-soluble symmetrical end-capped alkanediol. The surfactant is a gemini surfactant. | 12-23-2010 |
20110118399 | INK COMPOSITION FOR INK JET RECORDING - An ink composition for ink jet recording includes a coloring material, water, a sparingly water-soluble alkanediol, a crystalline sugar alcohol solid at 20° C., and a (poly)alkylene glycol. | 05-19-2011 |
20110262724 | WHITE INK COMPOSITION AND RECORDED MATERIAL USING THE SAME - A white ink composition contains a white pigment and fixing resins. The fixing resins include a vinyl chloride resin or a urethane resin, a fluorene resin, and a polyolefin wax. | 10-27-2011 |
20110310165 | MAGENTA INK COMPOSITION, INK CARTRIDGE, AND RECORDING SYSTEM AND RECORDED MATTER USING THE SAME - This invention provides a magenta ink composition that, when recorded, is excellent in color development, graininess, and gloss, is less likely to cause clogging in an ink jet recording head, and is excellent in color reproduction in a high-chroma and high-lightness red region. The magenta ink composition has an L* value of not less than 60 and a b* value of not more than −17 when the a* value in CIE standard calculated from a visible absorption spectrum in a not more than 10000-fold diluted aqueous solution is 80. | 12-22-2011 |