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| Number | Title | Issue Date |
| 8062412 | Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus A water-based ink for ink-jet recording includes a self-dispersing pigment, water, a water-soluble organic solvent, and an acetylene glycol surfactant. An amount of the self-dispersing pigment (solid content) relative to a total amount of the ink is in a range of ab... | 11/22/2011 |
| 8016932 | Aqueous ink, ink set, image forming method and image forming apparatus An aqueous ink used together with a black ink containing a self-dispersion pigment, wherein the aqueous ink contains a reactive component for destabilizing the dispersion state of the self-dispersion pigment, the dynamic surface tension of the aqueous ink at a lifet... | 09/13/2011 |
| 7918928 | Pigment ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus A pigment ink is provided which has good ink reliability and storage stability and can achieve superior scratch resistance of images at such a level that coloring materials are hardly scraped off even when images are scratched with finger nails under application of ... | 04/05/2011 |
| 7892340 | Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus An ink-jet recording ink including water, a water-soluble organic solvent, a pigment (P1) as a colorant (B), and at least one fluorochemical surfactant selected from compounds represented by Structural Formula (1) below, | 02/22/2011 |
| 7699924 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus Provided herein is an aqueous ink, which is excellent in both image density and fixing ability irrespective of the kind of a recording medium even when the volume of an ink droplet is small and has such excellent properties that white stripes are not caused even whe... | 04/20/2010 |
| 7501017 | Self-dispersed pigment mixtures for ink-jet applications Compositions, systems, and methods of printing an ink-jet image are provided. The composition can be an ink-jet ink, comprising a liquid vehicle; from 0.5 wt % to 10 wt % of a polymer-dispersed pigment; and from 0.5 wt % to 10 wt % of a self-dispersed pigment select... | 03/10/2009 |
| 7442245 | Glycerol derivatives for inkjet inks An ink composition for inkjet recording comprising water and a compound represented by the following Structure: wherein at least one of Z1, Z2, Z3, and Z4 are not hydrogen; each o... | 10/28/2008 |
| 7442244 | Water-base ink composition There is provided a water-base ink composition which has excellent ejection stability and can be evenly printed on recording media. The water-base ink composition comprises at least: a colorant component selected from dyes and pigments; a monovalent or divalent bran... | 10/28/2008 |
| 7431761 | Ink for ink jet recording Disclosed is an ink composition that, while improving print quality, advantageously has excellent ink ejection stability and does not significantly erode members such as a head and, at the same time, can meet a recent demand for highly skillful printing conditions, ... | 10/07/2008 |
| 7429293 | High gloss high gamut pigment inkjet ink Inkjet ink having pigment colorant and two surfactants having low dynamic surface tension as follows: 0.1% to 0.8% by weight of the ink of 2,5,8,11-tetraethyl-6-dodecyn-5,8-diol ethoxylate (sold commercially as DYNOL™ 604) and 0.5 to 1.0% by weight of the ink of e... | 09/30/2008 |
| 7416595 | Ink-jet ink and ink-jet recording method An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a c... | 08/26/2008 |
| 7416597 | Self-dispersed pigment ink formulations, ink-jet ink sets, print systems, and methods of printing Self-dispersed pigment ink formulations, ink-jet ink sets, printer systems, and methods of printing, are disclosed. One exemplary self-dispersed pigment ink formulation, among others, includes a self-dispersed pigment, a surface-active compound, a solvent, and an aq... | 08/26/2008 |
| 7399350 | Fluorine-free disiloxane surfactant compositions for use in coatings and printing ink compositions The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified disiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and pr... | 07/15/2008 |
| 7387666 | Black ink-jet inks The present invention is drawn toward a black ink-jet ink, comprising a liquid vehicle and a black colorant solubilized or dispersed in the liquid vehicle. The liquid vehicle can include water, a cosolvent, a solubilized naturally occurring amino acid, and an amphot... | 06/17/2008 |
| 7384473 | Solid pigment preparations containing anionic and non-ionic surface-active additives Solid pigment preparations comprising as essential constituents (A) from 60% to 10% to 40% by weight of at least one anionic surface-active additive based on acid phosphoric, phosphonic, sulfuric... | 06/10/2008 |
| 7384466 | Ink set and inkjet recording method and recorded matter using the ink set An ink set includes at least a magenta ink composition and a light magenta ink composition. The light magenta ink composition is formed with a pigment density lower than a pigment density of the magenta ink composition. A pigment used in the magenta ink composition ... | 06/10/2008 |
| 7377973 | Water-based ink for ink-jet recording A water-based ink for ink-jet recording contains water, a water-soluble organic solvent, a coloring agent and a crown ether. Even when the water-based ink is employed in the ink passage of an ink-jet recording apparatus and comes into contact with rubber members emp... | 05/27/2008 |
| 7364614 | Capillary-action, glitter markers and ink compositions for same The disclosure is generally related to writing instruments capable of making markings containing large diameter glitter pigment particles, and glitter ink compositions for the same. In one embodiment, the disclosure provides a capillary-action marker comprising a gl... | 04/29/2008 |
| 7361698 | Water-based pigment inks, image recording method, and image recording system A water-based pigment ink contains a pigment, a hydrophilic dispersant, an aqueous medium, an alkali agent for solubilizing the hydrophilic dispersant in the aqueous medium, and a hydrophilic compound having at least one structural unit of “hydrophobic molecular c... | 04/22/2008 |
| 7354962 | Encapsulated pigment for ink-jet ink formulations and methods of producing same Encapsulated pigment for use in ink-jet ink formulations, improved ink-jet ink formulations using the encapsulated pigment, and methods for producing same. The pigment particles are pretreated with a polymer that is soluble in organic solvents, but substantially ins... | 04/08/2008 |
| 7318864 | Pigment preparations Pigment preparations including as essential constituents (A) from 60 to 90% by weight of at least one pigment, (B) from 10 to 40% by weight of at least one nonionic surface-active additive based on polyethers, and | 01/15/2008 |
| 7306664 | Ink-jet recording ink, ink-jet recording method, and ink-jet recording apparatus An ink jet recording ink containing water and a coloring material, wherein the ink jet recording ink further contains an ethylenediamine compound represented by Formula (I): wherein R1, R2, R3 and R4 are each selected from ... | 12/11/2007 |
| 7304095 | Photocurable ink-jet ink, ink-jet image forming method and ink-jet recording apparatus using the same A photocurable ink for ink-jet printing, including: a photopolymerizable compound; a pigment; and a dispersing agent, wherein the photopolymerizable compound is a radical polymerizable compound; an amine value of the pigment (AMp) is larger than an acid value of the... | 12/04/2007 |
| 7300505 | Ink-jet recording ink, ink cartridge, recording unit, ink-jet recording method, ink-jet recording apparatus, and method for stabilizing ink ejection The present invention provides an ink-jet recording ink containing water, a pigment, a dispersing agent for dispersing the pigment, and an anionic surfactant having a critical micelle concentration lower than or equal to 0.0005 mol/L. ... | 11/27/2007 |
| 7297203 | Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatus An ink to be used in an ink jet recording method of ejecting an ink from a recording head through action of thermal energy can improve the ink ejection stability and shows a high storage stability and a high color developability. An ink to be used in an ink jet reco... | 11/20/2007 |
| 7291213 | Ink composition and inkjet recording method An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be used in inkjet recording and an inkjet recording method with the use ... | 11/06/2007 |
| 7285161 | Water base pigment ink for ink-jet recording A water base pigment ink for ink-jet recording contains a pigment, water, and at least one of polyethylene glycol and diglycerol. The ink is solidified into a solid matter when the water is evaporated. Further, the solid matter is redissolved in the unsolidified wat... | 10/23/2007 |
| 7279506 | Ink jettable overprint compositions Ink jettable, radiation curable overprint compositions containing at least one radiation curable oligomer/monomer, at least one photoinitiator, and at least one surfactant are disclosed. The overprint compositions are particularly well-suited for protecting ink-base... | 10/09/2007 |
| 7276112 | Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method 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 p... | 10/02/2007 |
| 7270407 | Methods for digitally printing on ceramics Methods for digitally printing on various articles, particularly ceramic articles, are disclosed. A first step includes applying a fluid glazing material to an article creating a coated surface. The fluid glazing material can either contain an underprinting agent fo... | 09/18/2007 |
| 7264664 | Ink composition, recording method and recorded image utilizing the same, ink set and ink head An ink composition is manufactured to contain a surfactant having difference d1 (σ10−γ) which is difference between dynamic surface tension (σ10) of the solution obtained by making 0.1 wt % solution dissolved in purified water to be... | 09/04/2007 |
| 7247197 | Water base ink for ink-jet recording and method for preparing water base ink for ink-jet recording A water base ink for ink-jet recording is provided, which is excellent in time-dependent stability of ink characteristics, which can be stably jetted over a long period of time, and which makes it possible to perform the high quality recording. The water base ink fo... | 07/24/2007 |
| 7241333 | Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus The present invention provides an ink-jet recording method for forming an image by applying an ink to a recording medium. The ink contains at least water, a colorant and a surfactant. The content of the surfactant is higher than or equal to the critical micelle conc... | 07/10/2007 |
| 7241335 | Aqueous ink for ball point pens The invention provides an aqueous ink composition for ball-point pens excellent in both the lubricity for an aqueous ballpoint pen tip and the bleed resistance of writing. The ink composition comprises water and a colorant as the essential components and is characte... | 07/10/2007 |
| 7229489 | Water-color ink composition 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. ... | 06/12/2007 |
| 7220301 | Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus fluorescence enhancing method and method of elongating life time of fluorescence Disclosed herein is an ink comprising (i) first and second organic compounds which are incompatible with each other; (ii) at least one of a compound exhibiting fluorescence properties and a coloring material exhibi... | 05/22/2007 |
| 7205341 | Aqueous pigment dispersion, inkjet ink, and process for producing aqueous pigment dispersion The present invention relates to an aqueous pigment dispersion that shows excellent dispersibility and storage stability, an inkjet ink that shows excellent jetability, water resistance, and adhesion, and a process for producing an aqueous pigment dispersion that sh... | 04/17/2007 |
| 7201795 | Ink composition containing polyether-modified polysiloxane An ink composition is provided which can realize good images on plain paper, and, especially when used in an ink jet recording method, can have excellent ejection stability, storage stability, color development, and fixation and is much less likely to cause color bl... | 04/10/2007 |
| 7201792 | Water based ink composition for writing instrument Provided is a water-based ink composition for a writing instrument comprising at least a colorant and water, wherein a nonionic high molecular surfactant having an alkylene oxide chain as a hydrophilic group and having an average molecular weight of 3000 to 200,000 ... | 04/10/2007 |
| 7198668 | Pigment granules Pigment granules having an average particle size from 50 to 5000 μm and a BET surface area ≦15 m2/g, including as essential constituents (A) from 60 to 90% by weight of at least one pigment and (B) fr... | 04/03/2007 |
