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| Number | Title | Issue Date |
| 8128746 | Ink composition, ink jet recording method, method for producing planographic printing plate, and planographic printing plate The invention provides an ink composition comprising a polymerization initiator, a (meth)acrylate having a double bond with a carbon atom having an sp3 hybrid orbital at an α position, and a colorant; an ink jet recording method using the ink composition... | 03/06/2012 |
| 8101011 | Coloring matter, ink, ink for ink jet, ink jet recording method, color toner, and color filter A coloring matter which has a good hue, and is capable of forming an image high in fastness property under various use conditions and environmental conditions, and particularly suitable for an ink. The coloring matter is represented by the following formula (I):... | 01/24/2012 |
| 7938898 | Ink composition, ink cartridge including the ink composition, and inkjet recording apparatus including the ink cartridge Provided is an ink composition including a colorant; a solvent; a surfactant; and an oxygen absorber of a hetero ring compound and a hydroxylamine-based compound. The oxygen absorber lowers a concentration of oxygen dissolved in the ink composition and maintains a l... | 05/10/2011 |
| 7776144 | Ink and ink set for inkjet recording To provide inks and ink sets for inkjet recording, which have good fastness and good jet-out stability and which give good images with no bleeding trouble, yellow ink, black ink and magenta ink for inkjet printing contain at least two dyes each having an oxidation p... | 08/17/2010 |
| 7540910 | Ink composition, ink set and recording method An ink composition includes: a coloring material having an azo group bound to a heterocyclic group; an aqueous medium; and at least one of an acetylene diol and an ethylene oxide adduct of the acetylene diol, wherein an average value of an addition molar number of t... | 06/02/2009 |
| 7513942 | Fine particle dispersion, ink composition using the same, and ink-jet recording method In a fine particle dispersion, fine particles including an oil-soluble dye having an oxidation potential higher than 1.0 V vs SCE and a polymer having at least one of an amide group, a glycidyl group and a hydroxyl group are dispersed in an aqueous medium. Further, ... | 04/07/2009 |
| 7485179 | Inkjet composition, ink cartridge comprising the same, and inkjet recording apparatus comprising the same An ink composition including a colorant, a cyclic amide compound, a cyclic dicarbonyl compound, and water, an ink cartridge including the same, and an inkjet recording apparatus including the same. The ink composition maintains high solubility and stability of a col... | 02/03/2009 |
| 7479178 | Dye sets for inkjet imaging and ink sets using the same The present invention is directed to dye sets and ink formulated using the same, and in particular dye and ink sets for ink jet printing. The dyes/inks are configured to work in cooperation with one another to produce high quality printed images. ... | 01/20/2009 |
| 7452414 | Ink composition, ink set including the composition, cartridge including the ink set, and inkjet recording apparatus including the cartridge An ink composition is provided including a cyclic silazane-based compound, a colorant, and a solvent. The cyclic silazane-based compound in the ink composition prevents the production of ink foam or bubbles in a cartridge when an inkjet printer is operated, induces ... | 11/18/2008 |
| 7435291 | Amine- and phthalocyanine dye-containing ink-jet inks with improved ozone fastness In accordance with embodiments of the present invention, an ink-jet ink can comprise a metallized phthalocyanine dye and a liquid vehicle carrying the dye. The liquid vehicle can include an amine additive present in the ink-jet ink at an effective concentration to c... | 10/14/2008 |
| 7416591 | Disperse dye mixtures Dye mixtures comprising one or more dyes of the herein below indicated and defined formula (I), and at least one of the herein below indicated and defined general dye of: formula (II), or one or more dyes of formula (III) or one or more dyes of formula (IV), or one ... | 08/26/2008 |
| 7407540 | Coloring liquid, ink tank, recording unit, recording apparatus and recording method A coloring liquid can form an image showing a high color developability and a high vividness as well as an excellent water fastness when used as recording material with a recording technique such as ink-jet printing. An ink tank, a recording unit, a recording appara... | 08/05/2008 |
| 7402201 | Ink stock solution, ink composition and method for producing them To provide an ink stock solution excellent in handleability, a method for producing the same, an ink composition using the ink stock solution, particularly suitable for an ink for inkjet recording, and a method for producing the same, the ink stock solution includes... | 07/22/2008 |
| 7399349 | Sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet recording, ink set for ink jet recording, and ink jet recording method An ink for ink jet recording, which hardly causes blotting of an image even under high humidity conditions while maintaining the advantages as water-based ink (handling properties, stability, producing properties, hue), is provided. Also provided is a method of manu... | 07/15/2008 |
| 7396398 | Ink composition An ink composition is provided including an amide compound represented by formula I, a coloring agent and a solvent. The amide compound and the polyhydric alcohol in the ink composition decrease the mobility of coloring agents and increase the adhesion to media, the... | 07/08/2008 |
| 7393403 | Process for preparing self-dispersible coloring agent using lewis acids and ink composition comprising the coloring agent A self-dispersible coloring agent represented by formula (II) below is prepared by incorporating a hydrophilic group into a coloring agent through a reaction of a hydrophilic group-containing halide represented by formula (I) below and the coloring agent in the pres... | 07/01/2008 |
| 7384464 | Ink jet and recording material The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compound of the general formula (I): wherein G1 and G2... | 06/10/2008 |
| 7377972 | Cosolvents in printing fluids An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp3-hybridized nitrogen cation and an associated anionic charge either isolated on an N-substituted oxygen anion ... | 05/27/2008 |
| 7364770 | Coated fine particles and method for producing coated fine particles by reverse Diels-Alder reaction An object of the present invention is to provide coated fine particles with a uniform particle size, having stable crystals on the surface, and to provide colored fine particles which exhibit good color development. A recorded image formed by a dispersion and an ink... | 04/29/2008 |
| 7326287 | Cyan inks and their use in ink-jet printers A composition comprising: (a) a major dye component which is a mixture of copper phthalocyanine dyes of Formula (1): CuPcβ-(SO3M)xβ-(SO2NH2)y Formula (1) wherein: ... | 02/05/2008 |
| 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 |
| 7316739 | Ink set, ink cartridge, ink jet printer and recording method The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a... | 01/08/2008 |
| 7314511 | Metaloxyphthalocyanine compounds A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds ... | 01/01/2008 |
| 7314273 | Process for preparing phthalocyanine compounds A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO3M)x(SO2NH2)y, wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently have a value of from 0.5 to... | 01/01/2008 |
| 7311393 | Inkjet recording ink and method of inkjet recording The object of the present invention is to provide an inkjet recording ink ensuring excellent ejection stability even after aging of the ink and also exhibiting excellent weather resistance; provide an inkjet recording ink ensuring less blurring of the image drawn, i... | 12/25/2007 |
| 7303272 | Black ink for inkjet recording and inkjet recording method A black ink for inkjet recording having an aqueous medium containing a dye in which λmax of the absorption spectrum in an aqueous solution is in the region from 500 and 700 nm and the half-value width in the absorption spectrum of a dilute solution standardized to ... | 12/04/2007 |
| 7303615 | Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same There is provided a colorant material comprising a compound represented by at least one of the following general formulas (1) and (2) as a first colorant compound and at least one of a water insoluble triphenylmethane compound and a water insoluble xanthene compound... | 12/04/2007 |
| 7300503 | Dye mixture and ink containing the same, inkjet recording method and image forming method A phthalocyanine dye mixture having a specific structure, an ink using the dye mixture, an inkjet recording ink, an inkjet recording method and a method for improving preservability of image formed are provided. ... | 11/27/2007 |
| 7291212 | Ink and ink set for ink jet printing and method of ink jet printing An inkjet recording ink composition comprising an aqueous medium having dissolved and/or dispersed therein at least one dye, wherein at least one betaine-type surfactant is contained in the ink composition. The dye is preferably a magenta dye having an azo structure... | 11/06/2007 |
| 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 |
| 7282090 | Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I. Acid Blue 9 and a compound having a copper phthalocyanine structure, and a compound represented by the following genera... | 10/16/2007 |
| 7279034 | Ink composition, ink cartridge, inkjet recording method, and recorded matter It is an object of the present invention to provide an ink composition with which the indoor storage stability (gas resistance) of an image produced with an ink composition featuring a phthalocyanine-based cyan dye can be increased without causing any additive preci... | 10/09/2007 |
| 7276111 | Ink composition, inkjet recording method and recorded matter An object of the present invention is to provide an ink composition that can improve the preservation characteristics (gas fastness) of an image produced by an ink composition which uses phthalocyanine group cyan dye. The present invention provides an ink compositio... | 10/02/2007 |
| 7273519 | Ink set and inkjet recording method An ink set where constituent inks all are an ink containing at least one dye having an oxidation potential more positive than 1.0 V (vs SCE), particularly where the ratio k1/k2 of the fading rate constant (k1) of an image drawn by using the ink alone to the fading r... | 09/25/2007 |
| 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 |
| 7270701 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus An ink jet ink is provided with which metallic luster appearing in printing on a recording medium, i.e. the bronze phenomenon is kept from occurring and good images can be obtained. The ink jet ink includes at least a coloring material which is a compound represente... | 09/18/2007 |
| 7267715 | Ink and ink set An ink obtained by dissolving at least one specific dye in an aqueous medium, wherein the dyes contained in the ink all have a solubility of 15 g or more in 100 g of water at 25° C. under atmospheric pressure; and an ink set formed from the ink. The dye is preferab... | 09/11/2007 |
| 7256222 | Radiation-curable ink composition and image recording method To provide a radiation-curable ink composition that can form a high-quality image on not only liquid absorbing materials to be recorded but also non-liquid absorbing materials to be recorded, is superior in curing properties in air, and is superior in storage stabil... | 08/14/2007 |
| 7250079 | Coloring composition and inkjet recording method The invention provides a water-soluble ink capable of forming an image having good color hue and high fastness in various use and environmental conditions, which comprises a coloring composition comprising a disazo dye represented by the following formula 1: A1... | 07/31/2007 |
| 7250077 | Ink composition for inkjet recording, ink cartridge and recording apparatus An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized in the absence of the water. With this aggregation stabilizer, a hardl... | 07/31/2007 |
