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| Number | Title | Issue Date |
| 8080101 | Azo reactive dyes and mixtures of fiber-reactive azo dyes, their preparation and their use The present invention relates to dye mixtures which comprise at least one dye of the formula (I), at least one dye of the formula (II) and optionally at least one dye of the formula (III) and/or optionally at least one dye of the formula (IV) in which D1 ... | 12/20/2011 |
| 7708820 | Black ink composition, ink set containing the same, and ink jet recording method A black ink composition is provided and contains at least two coloring materials, water and additives, wherein the coloring material on the short wave side of the two coloring materials is a water-soluble dye having 3 or more azo groups in one molecule and a naphtha... | 05/04/2010 |
| 7704311 | Ink composition, manufacturing method of ink, ink set, and recording method An ink composition, which comprises at least two kinds of water-soluble dyes, wherein at least one of the at least two kinds of water-soluble dyes is a compound selected from the group consisting of a compound represented by formula (S-1), which is described in the ... | 04/27/2010 |
| 7582151 | Pigment dispersion with polymeric dispersants having pending chromophore groups A pigment dispersion includes a color pigment represented by formula (I): wherein X1 to X4 are independently selected from the group consisting of hydrogen and a hal... | 09/01/2009 |
| 7582150 | Pigment dispersions with polymeric dispersants having pending chromophore groups A pigment dispersion comprising a color pigment represented by formula (I) wherein, R1 is selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a methoxy group, an etho... | 09/01/2009 |
| 7582152 | Pigment dispersions with polymeric dispersants having pending chromophore groups A pigment dispersion includes a color pigment represented by formula (I): wherein R1 to R10 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, a metho... | 09/01/2009 |
| 7553359 | Stable liquid formulations of anionic dyes The present invention concerns concentrated aqueous solutions of anionic disazo dyes, comprising salts and or the free acids of anionic dyes of the formula and 2-(2-butoxyethoxy) ethanol wherein the substituents are each as... | 06/30/2009 |
| 7527684 | Ink set and ink jet recording method An ink set comprising a yellow ink containing at least one yellow dye, a magenta ink containing at least one magenta dye, a cyan ink containing at least one cyan dye and a black ink containing at least two kinds of dyes as a minimum constituent element, in which an ... | 05/05/2009 |
| 7524368 | Black dye composition and black ink composition for textile digital printing The present invention relates to a black dye composition, comprising: (a) at least one azo dye of the following formula (I), (b) at least one azo dye of the following formula (II) or (III), ... | 04/28/2009 |
| 7520928 | Black ink composition, ink set containing the same, and ink jet recording method Black ink compositions are provided. First embodiment contains a water-soluble long-wavelength dye L and a water-soluble short-wavelength dye S, in which the water-soluble short-wavelength dye S has 3 or more azo groups per molecule and a naphthalene skeleton. Secon... | 04/21/2009 |
| 7503967 | Azo compound, ink composition and colored article An azo compound represented by the following Formula (1) or a salt thereof, and an ink composition comprising the same (wherein, each of R1, R2, R5, R6 and R7 independe... | 03/17/2009 |
| 7503966 | Black ink composition and ink jet recording method A black ink composition comprises a water soluble dye containing a single compound showing an absorption maximum at 440 to 540 nm with a half-value width of 90 nm to 200 nm for a visible region absorption spectrum in water. ... | 03/17/2009 |
| 7462228 | Water-base black ink composition and colored product The present invention relates to a water-based black ink composition comprising a water-soluble black dye (A) exhibiting ozone fastness and a condensate compound (B) of 4,4′-dinitrostilbene-2,2′-disulfonic acid and aminobenzenes or a reduction product (C) thereo... | 12/09/2008 |
| 7438753 | Diazo dyestuff compounds and their use The present invention relates to a diazo dyestuff compound of the following formula (I) wherein, M is H, Na, or Li. The formula (I) compound is particularly suitable for using as a component in a black dye composition for i... | 10/21/2008 |
| 7431760 | Ink and ink-jet recording ink An ink containing an azo dye having, in total, at least 13 conjugated π electrons in an aromatic ring thereof that is not directly bonded to any azo group. ... | 10/07/2008 |
| 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 |
| 7387667 | Black dye composition and black ink composition The present invention relates to a black dye composition, comprising: (a) a compound of the following formula (I), (b) a compound o... | 06/17/2008 |
| 7387668 | Azo compound, aqueous dye solutions containing the same, inks and use thereof An azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for ink-jet recording and which can give records having excellent light fastness, water resistance, and moisture proofness, and such ozone resistance as to control the f... | 06/17/2008 |
| 7364597 | Metal complex colorant comprising azo moiety A metal complex colorant represented by formula 1 may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independentl... | 04/29/2008 |
| 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 |
| 7347890 | Cyan ink, ink set, set of ink and reaction liquid, and image forming method Provided is a cyan ink applicable to an ink set having four kinds of aqueous inks composed of the cyan ink, a magenta ink, a yellow ink, and a black ink each containing water; a water-insoluble coloring material; and plurality of water-soluble organic solvents inclu... | 03/25/2008 |
| 7326288 | Trisazo compound, ink composition, and colored object [PROBLEMS] To provide: a black compound which is for use in ink-jet recording or writing utensils, is excellent in ozone resistance, light resistance, moisture resistance, and color rendering, and gives a recording fluid having satisfactory storage stability; and an... | 02/05/2008 |
| 7309389 | Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotiza... | 12/18/2007 |
| 7301012 | Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter An azo dye comprising a coupler having a specific structure as a coupling component, an image-forming coloring composition comprising the azo dye, an ink for ink jet recording and an ink jet recording method using the image-forming coloring composition and a heat-se... | 11/27/2007 |
| 7294184 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus Provided is an ink jet ink containing a coloring material having a buffer region in an ink use range, the ink jet ink being capable of suppressing the occurrence of the deterioration (dissolution) of a heating portion surface in contact with liquid; and the disconne... | 11/13/2007 |
| 7291211 | Aqueous ink, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image An aqueous ink is provided which comprises a dispersible colorant comprising a colorant and chargeable resin pseudo fine particles smaller than the colorant, the colorant and the chargeable resin pseudo fine particles fixing to each other; and at least one of a wate... | 11/06/2007 |
| 7288143 | Water-based ink, ink tank having the same, and ink-jet recording process A water-based ink containing a water-soluble dimer coloring material having a molecular structure having two chromophores and being symmetrical via a decomposable linking group, a water-soluble monomer coloring material having the same structure as the molecular str... | 10/30/2007 |
| 7288142 | Black dyes composition for ink-jet inks The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, R1 is —SO2CH2CH2OSO... | 10/30/2007 |
| 7285159 | Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus Provided is an ink jet ink comprising at least a coloring material comprising a compound represented by the general formula (I) or a salt thereof; and a compound represented by the general formula (II). Thereby, there can be provided an ink jet ink that provides ima... | 10/23/2007 |
| 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 |
| 7279033 | Ink jet and ink jet recording method An ink-jet ink containing a colorless, water-soluble, planar compound having more than ten delocalized pi-electrons per molecule. ... | 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 |
| 7276110 | Cyan ink and ink set A cyan ink applicable to an ink set has plurality of aqueous inks each containing at least: water; a water-insoluble coloring material; and plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material ... | 10/02/2007 |
| 7273520 | Ink set for ink jet printing Ink set for ink jet printing comprised of at least one yellow ink, one magenta ink, one cyan ink and one black ink, wherein the yellow ink contains a mixture of at least one yellow dye with reddish hue of formula (I), ... | 09/25/2007 |
| 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 |
| 7264663 | Ink set for ink jet printing Ink set for ink jet printing consisting of at least one yellow ink, one magenta ink, one cyan ink and one black ink, wherein the magenta ink contains, as first dye component, at least one dye of formula (I) where... | 09/04/2007 |
| 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 |
| 7252707 | Inkjet recording ink set An inkjet recording ink set comprising at least two inks, wherein each of the inks contains at least one dye having an anionic group, and even when any two inks in the ink set are mixed, precipitation of the dye does not occur. ... | 08/07/2007 |
| 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 |
