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| Number | Title | Issue Date |
| 7404851 | Ink composition and recording method using the same An ink composition which comprises a compound represented by formula (1), which is described in the specification; and a plurality of water-soluble organic solvents, wherein the water-soluble organic solvents contains at least a water-soluble organic solvent having ... | 07/29/2008 |
| 7365107 | Marking liquid The invention relates to a marking liquid which contains a polymer dispersion with particles which are colored with marking agent, optionally further dyes and marking agents, one or more salts of a polyvalent, in particular bi- or trivalent cation, water and optiona... | 04/29/2008 |
| 7342067 | Water-based ink A process for preparing an aqueous dispersion of a pigment, comprising kneading a mixture containing a pigment, a polymer having a salt-forming group, a neutralizing agent for neutralizing the polymer having a salt-forming group, an organic solvent and water, wherei... | 03/11/2008 |
| 7303848 | Liquid toners comprising amphipathic copolymeric binder and soluble polymers for electrographic applications The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles and at least one soluble polymer dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner partic... | 12/04/2007 |
| 7294659 | Aqueous ink composition 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 a... | 11/13/2007 |
| 7270699 | Ink set for ink-jet recording, ink-jet recording method and ink-jet recording apparatus The invention provides an ink set for ink-jet recording that is able to form an image having a sufficient optical density and causing no feathering and intercolor bleed within a short period of time while being excellent in reliability of the maintenance unit. The i... | 09/18/2007 |
| 7166394 | Pigment dispersion composition for color filter, production method thereof, and color filter for display The present invention is to provide a pigment dispersion composition for a color filter having the excellent pigment dispersing property and dispersion stability, good developing property and reactivity, and an extremely small residue generation amount after develop... | 01/23/2007 |
| 7098296 | Preparation of polymeric aryl sulfonamide A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting... | 08/29/2006 |
| 7011700 | Antibacterial colorant and ink composition comprising the same The present invention relates to an antibacterial colorant and a composition that includes the antibacterial colorant. The antibacterial colorant has at least one functional group and at least one antibacterial moiety bound thereto by an ester bond or an amide bond.... | 03/14/2006 |
| 6979416 | Method of forming an electronic component using ink A method of manufacturing an electronic component utilizing an ink jet method using an ink including water or organic solvent, and one of metal powder, ceramic powder, magnetic powder, glass powder, and resistor powder with particle size of 0.001 μm or more to 10 Î... | 12/27/2005 |
| 6953613 | Combination ink set/image-recording element for ink jet printing A pigment-based ink jet ink set and image-recording element combination is described, wherein the ink jet image-recording element has a gloss value of at least 5 when measured at 60°, and wherein each ink in the ink set has a normalized differential specular reflec... | 10/11/2005 |
| 6916876 | Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems The invention relates to a powdered thickener preparation based on polyurethane, which can be incorporated particularly well into water-based paints and lacquers and into other aqueous systems, and to their use as rheological additives for thickening preferably aque... | 07/12/2005 |
| 6872243 | Phase change inks containing gelator additives Disclosed is a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molec... | 03/29/2005 |
| 6770331 | Colorant preparations The invention relates to colorant preparations containing the following main constituents: A) at least one dispersed (A1) or dissolved (A2) colorant; B) if a colorant corresponding to (A1) is used, a dispersing agent; C) a low-molecular polytetrahydurofurane (C1), o... | 08/03/2004 |
| 6726757 | Ink additives to improve decel Ink additives that reduce the deceleration of inks containing a polymer, such as acrylate binders, are disclosed. In accordance with the invention, an ink-jet liquid, an ink-jet liquid set, and the method for using the same are provided, wherein the one of the liqui... | 04/27/2004 |
| 6648954 | Water-based pigment dispersion, use thereof and process for the production thereof A water-based pigment dispersion comprising 100 parts by weight of a pigment, 3 to 30 parts by weight of a sulfonic acid group-containing pigment derivative and water, wherein the sulfonic acid group-containing pigment derivative has only one sulfonic aci... | 11/18/2003 |
| 6641653 | Ink compositions comprising modified colored pigments and methods for preparing the same The present invention describes an ink composition comprising a liquid vehicle and a modified colored pigment. The modified colored pigment comprises the product of a colored pigment having at least one leaving group and a treating agent. The modified col... | 11/04/2003 |
| 6602333 | Ink set for ink-jet recording, process for producing same, method of image recording, and print The present invention relates to an ink jet recording ink set comprising a plurality of ink compositions each containing at least a colorant, a water-soluble organic solvent and water; and to a preparation process thereof. The invention is characterized b... | 08/05/2003 |
| 6514644 | Pigment dispersion composition for color filter, production method thereof, and color filter for display The present invention is to provide a pigment dispersion composition for a color filter having the excellent pigment dispersing property and dispersion stability, good developing property and reactivity, and an extremely small residue generation amount af... | 02/04/2003 |
| 6478862 | Pigmented inks and a method of making pigmented inks A method of making an ink jet ink that entails combining a water miscible organic solvent, water, and a pigment dispersion, and blending the water miscible organic solvent, the water, and the pigment dispersion together to form the ink jet ink, wherein th... | 11/12/2002 |
| 6461417 | Ink compositions An ink composition comprised of (1) an ink vehicle of (a) alkyl alkyl ketones of the formula CH3 (CH2)m CO (CH2)n CH3 where m and n represent the number of segments and wherein alkyl contai... | 10/08/2002 |
| 6402823 | Individual inks and an ink set for use in the color ink jet printing of glazed ceramic tiles and surfaces Individual inks and an ink set for use in generating intermediate colors via the combination of separate inks applied by an ink jet printer to the glazed surface of an article, such as glazed ceramic architectural tile for example, that is to be heated to... | 06/11/2002 |
| 6350028 | Ink jet printing method using a pigmented ink composition An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink-receptive substrates; C) loading the printer with an ink jet ink composition having from about 30 t... | 02/26/2002 |
| 6332943 | Method of ink-jet printing with pigment preparations having a dispersant Pigment preparation for the ink-jet process which comprises A) at least one finely divided, organic or inorganic pigment, B) a dispersant based on arylsulfonic acid/formaldehyde condensation products or an alkoxylated phenols, and C) water, as essential c... | 12/25/2001 |
| 6328792 | Ink compositions An ink composition comprised of a colorant, potassium iodide, and a poly(quaternary amine), and which ink possesses a pH of from about 7.5 to about 12.... | 12/11/2001 |
| 6328393 | Pigment ink jet compositions for high resolution printing An aqueous ink jet ink composition having a pigment wherein at least 50% of the pigment particles have an average diameter or sizeࣘ0.3 microns with the remaining particles in the ink composition having a diameter or sizeࣘ3.0 microns, water, a dispersa... | 12/11/2001 |
| 6294592 | Pigment preparations with radiation curable binder suitable for ink jet printing method The invention provides for pigment preparations containing, as main components, A) at least a finely divided organic or inorganic pigment, B) a dispersing agent composed of formaldehyde-arylsulfonic acid or oxalkylated phenols condensates, C) a radiation ... | 09/25/2001 |
| 6248163 | Additive for ink jet ink An ink jet ink composition comprising from about 30 to about 90% by weight of water, from about 0.5 to about 30% by weight of a pigment, from about 0.05 to about 2% by weight of an aromatic sulfonate or disulfonate comprising sodium p-toluenesulfonate, di... | 06/19/2001 |
| 6174357 | Pigment-based ink compositions An ink composition comprises red pigment and a carrier mixture. The carrier mixture comprises a bishydroxy terminated thioether and a lactam.... | 01/16/2001 |
| 6143807 | Pigment ink jet ink compositions for high resolution printing An aqueous ink jet ink composition having a pigment wherein at least 50% of the pigment particles have an average diameter or size ࣘ0.3 microns with the remaining particles in the ink composition having a diameter or size ࣘ3.0 microns, water, a disper... | 11/07/2000 |
| 6102998 | Ink-jet inks and method for printing the same Ink-jet inks and method of printing using the same are provided, the inks comprising at least one colorant and an aqueous vehicle, the vehicle comprising at least one anionic or nonionic surfactant, at least one alkoxylated polyhydroxy organic solvent, at... | 08/15/2000 |
| 6096124 | Ink compositions A conductive ink composition comprised of (1) an acid salt; (2) a conductive quaternary compound; (3) a viscosity modifying compound; (4) a lightfastness component; (5) a lightfastness antioxidant; and (6) a colorant.... | 08/01/2000 |
| 6042640 | Deodorization of sulfur-containing solvents by oxidation Disclosed is a process which comprises contacting a sulfur-containing solvent with an oxidizing agent, said sulfur-containing solvent containing odor-causing impurities, thereby reducing odor. Another embodiment of the present invention is directed to a p... | 03/28/2000 |
| 6039793 | Inks for ink jet printing with reduced intercolor bleed Disclosed is a set of inks for generating multicolored images which comprises (a) a first ink having a first color, said first ink comprising water, a colorant, and a monomeric zwitterionic compound, said first ink being substantially free of organic acid... | 03/21/2000 |
| 6022403 | Pigmented inks and dispersants used therewith Pigmented inks are disclosed comprising an aqueous medium, a pigment, a dispersant, and a humectant. Inks are disclosed where the humectant is a sulfonated polyethylene oxide which provides long decap times and fast drying of the printed image. Inks are f... | 02/08/2000 |
| 5989327 | Ink composition for ink-jet printer An ink composition for an ink jet printer. The ink composition contains an oligomeric dispersant, a pigment and a solvent. The oligomeric dispersant simultaneously has a hydrophilic group capable of interacting with water soluble solvent and an anchoring ... | 11/23/1999 |
| 5968241 | Washable coloring composition A coloring composition comprising a polymeric dye, a dye vehicle, and an anionic dyeblocker. The coloring compositions enhance fugitivity from skin, fabrics and other household surfaces. More specifically, the invention is, in one preferred embodiment, a ... | 10/19/1999 |
| 5928416 | Dipropylene glycol and countercation activation of dodecylbenzenesulfonate in thermal ink jet inks An ink jet ink composition includes a liquid medium, a colorant, a dodecylbenzenesulfonate salt and a co-solvent.... | 07/27/1999 |
| 5928417 | Electrocoagulation printing ink The shelf-life of an electrocoagulation printing ink consisting essentially of a liquid colloidal dispersion containing an electrolytically coagulable colloid, a dispersing medium, a soluble electrolyte, a pigment and a dispersing agent uniformly dispersi... | 07/27/1999 |
| 5913972 | Aqueous pigment dispersion, water-soluble resin, production process of the resin, and equipment suitable for use with the dispersion An aqueous pigment dispersion is formed of a pigment, an aqueous medium and a dispersant resin. The dispersant resin contains a hydrophobic moiety and a hydrophilic moiety in its molecule. The hydrophobic moiety is a polyester linkage chain formed of este... | 06/22/1999 |
