| Patent Number |
Title Of Patent |
Date Issued |
| 7569104 |
Ink for ink-jet recording |
August 4, 2009 |
| The present invention provides an ink jet recording ink which has excellent stability, high coloration on regular paper, high glossiness on gloss paper and excellent discharge stability of an ink from an ink jet head. This ink jet recording ink uses 2-methyl-2-propyl-1,3-propanediol. |
| 7553885 |
Ink for inkjet recording |
June 30, 2009 |
| An ink for inkjet recording of the invention includes water and a pigment, where the pigment is dispersed using a polymer having a refractive index of at least 1.58 or more, an acid value of 50 mgKOH/g to 120 mgKOH/g, and a weight average molecular weight of 20000 to 120000. It is prefer |
| 7553883 |
Aqueous pigment ink composition and method of manufacturing the same |
June 30, 2009 |
| The invention provides an aqueous pigment ink composition that ensures excellent recording characteristics on any type of recording mediums. An aqueous pigment ink composition of the invention includes a pigment, a water-dispersible polymer, water, and a water-soluble organic solvent, |
| 7517399 |
Ink composition for ink jet recording, recording method and recorded matter |
April 14, 2009 |
| Disclosed is an ink composition for ink jet recording, which possesses excellent gloss and good color reproducibility on various recording media, especially printing paper for running-on. The ink composition for ink jet recording comprises at least a colorant, water, an alkanediol, a |
| 7307109 |
Ink-jet recording ink, ink-jet recording ink set, recording method, print, and ink-jet recording |
December 11, 2007 |
| An ink jet recording ink (IJ ink) containing a colorant of a pigment and/or dye enveloped in a polymer, and water, and containing at least one compound from the group of acetylene glycol surfactants and acetylene alcohol surfactants, and another compound from the group of glycol ethers |
| 7294659 |
Aqueous ink composition |
November 13, 2007 |
| An aqueous ink composition comprising: a pigment, having a particle diameter as determined by the light scattering method of no less than 20 nm and no more than 200 nm; and a water dispersible polymer, having a styrene-equivalent number average molecular weight of as determined by ge |
| 7273898 |
Ink jet recording ink |
September 25, 2007 |
| It is an object of the present invention to provide an ink jet recording ink with excellent storage stability, with which no mold or other microbes will be generated over an extended period. The ink jet recording ink of the present invention contains water and a colorant comprising a |
| 7229489 |
Water-color ink composition |
June 12, 2007 |
| A water-color ink with which a high print quality can be obtained on ordinary paper, recycled paper or coated paper, and which has excellent storage stability. The water-color ink includes at least a color material and 2-butyl-2-ethyl-1,3-propanediol. |
| 7052536 |
Water-based ink |
May 30, 2006 |
| There is provided a water-based ink that gives good coloration and little blurring on regular paper, gives adequate coloration on specialist paper, and has good fixability, and further gives excellent discharge stability with ink jet recording, and moreover exhibits the effect of a chela |
| 7030174 |
Ink set for ink jet-jet recording, method for ink-jet recording and recorded matter |
April 18, 2006 |
| An ink set for ink jet recording and an ink jet recording process, which can provide not only high weather resistance but also images having a high printed density by using pigment inks, and have a wide color reproducing range. Also, an ink jet recording process capable of performing |
| 7001935 |
Ink for ink jet printing process and printed matter obtained using the same |
February 21, 2006 |
| An ink for ink jet printing process, comprising at least: a particulate pigment having a sulfur-containing dispersibility-imparting group on the surface thereof; a penetrating agent; a resin emulsion comprising a dispersed particulate resin having a sulfur-containing dispersibility-i |
| 6942723 |
Water-base ink and ink set using the same |
September 13, 2005 |
| This invention provides an water-base ink achieving high print quality on plain, recycled, and coated paper, glossiness on glossy paper, as well as well-balanced gas fastness, and an water-base ink set which exhibits low light source dependence with regard to the colors of resultant prin |
| 6846352 |
Ink composition for ink-jet recording and ink set comprising the same |
January 25, 2005 |
| An object of the present invention is to provide an ink composition for ink jet recording, which can produce high-quality prints and has excellent ejection stability, and to provide an ink set using the same. The ink composition for ink jet recording according to the present invention is |
| 6830612 |
Ink for ink jet recording |
December 14, 2004 |
| An ink is provided which can realize good images on various recording media, especially plain papers.The ink comprises at least a water-soluble colorant, a water-soluble organic solvent, water, and a mixture of two or more compounds represented by formula (I):wherein EO represents an |
| 6767090 |
Ink set for ink-jet recording |
July 27, 2004 |
| An ink jet recording ink set including a plurality of inks, each ink including at least a colorant encapsulating a pigment with a polymer, a penetrating agent and water, wherein the ink set includes a combination of black, yellow, magenta and cyan inks, and wherein the polymer in each of |
| 6454846 |
Ink composition suitable for use in ink jet recording |
September 24, 2002 |
| An ink composition is provided which can yield prints having high color density and, even when printed on recycled papers, causes no significant feathering or bleeding and, at the same time, has excellent ejection stability and storage stability, The ink composition comprises a colorant, |
