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| Number | Title | Issue Date |
| 8133312 | Dispersion of a water-insoluble colorant, production method thereof, recording liquid, ink set, printed article, image-forming method and image-forming apparatus using the same A dispersion having particles of a water-insoluble colorant containing at least two kinds of pigments dispersed with a dispersing agent in a medium containing water, wherein the water-insoluble colorant has a crystalline structure, and a light-scattering intensity i... | 03/13/2012 |
| 8025723 | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bul... | 09/27/2011 |
| 8021473 | Process for manufacturing inks and pigment formulations and ink jet inks made by the process A process for manufacturing an ink, or pigment formulation (e.g. a concentrate) for use in inks, comprising filtration of a composition comprising a particulate pigment and a liquid medium through an inorganic filter having pores of a uniform size below 10 microns. ... | 09/20/2011 |
| 7927412 | Pigment ink composition and coating material A pigment ink composition has high transparency and good color characteristics such as a high OD that are not inferior to those of dyes, even though pigment particles are used, and also has good weatherability and remaining ability on the coating and printing medium... | 04/19/2011 |
| 7901501 | Inkjet ink composition The invention provides an inkjet ink composition comprising: a white pigment; a polymerizable compound; and a polymerization initiator. The white pigment includes at least one of inorganic hollow particles or inorganic-organic hybrid hollow particles. A ratio of an ... | 03/08/2011 |
| 7857901 | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bul... | 12/28/2010 |
| 7850774 | Ink for inkjet applications An inkjet ink, comprises an ink vehicle and a white pigment dispersed in the vehicle, wherein the pigment comprises particles in which at least 5% of the particles have an average size greater than 100 nm and at least 25% of the particles have an average size less t... | 12/14/2010 |
| 7763107 | Ink for ink-jet recording and ink set for ink-jet recording A black ink for ink-jet includes a pigment wherein an average particle diameter Da of the pigment is in the range of about 90 nm to about 130 nm. In addition, (D95−D5)/Da is about 1.4 or less, where D5 is the 5% cumulative particle diameter of the pigment and D95 ... | 07/27/2010 |
| 7717993 | Ink set, and recording method and recorded matter using the same The present invention provides an ink set comprising at least two or more pigment inks different in color, wherein differences in average particle size between the inks different in color are 30 nm or less, the inks each have a sedimentation rate, as indicated by eq... | 05/18/2010 |
| 7717992 | Color enhancing emulsions Color enhancing compositions for enhancing, changing and concealing the color of substrates to which the compositions are applied are provided. The compositions include chromatically selective scattering particles having small sizes and narrow size distributions. In... | 05/18/2010 |
| 7578876 | Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus The invention provides an aqueous ink that can prevent clogging at an orifice due to drying of the ink though the ink contains a pigment, and can achieve high-level ejection stability required in recent years. The aqueous ink contains at least water, a water-soluble... | 08/25/2009 |
| 7479183 | Ink jet ink composition An ink jet ink composition comprising water, a humectant, and composite colorant polymer particles, wherein the composite colorant polymer particles having a colorant phase and a polymer phase, the polymer phase of the particles being formed in situ in the presence ... | 01/20/2009 |
| 7439285 | Liquid thermosetting ink Liquid thermosetting ink for ink-jet applications includes at least a resin, at least one solid latent curing agent having a maximal particle size of less than 2 microns and an inert filler having fine particles. The single-pack or two-pack ink has a viscosity lower... | 10/21/2008 |
| 7431759 | High elongation vacuum formable digital ink The present invention includes a curable ink composition for digitally printing onto plastic substrates and three dimensional objects comprising an ink composition comprising a pigment, an oligomeric component, a diluent, additives and a mono-functional monomer havi... | 10/07/2008 |
| 7427317 | High elongation vacuum formable digital ink The present invention includes a curable ink composition for digitally printing onto plastic substrates and three dimensional objects comprising an ink composition comprising a pigment, an acrylic polymer or copolymer having an acid number below about 20 component, ... | 09/23/2008 |
| 7404852 | Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink An inkjet ink is provided, which includes a solvent and a pigment having an average particle diameter of not larger than 250 nm. The number of flocculates of pigment particles having a diameter of 1 μm or more is 1.6×108/cm3 or less. ... | 07/29/2008 |
| 7374609 | Optically variable pigments having an asymmetrical layer structure The present invention relates to pigments whose particles have a length of from 2 μm to 5 mm, a width of from 2 μm to 2 mm and a thickness of from 50 nm to 1.5 μm and a ratio of length to thickness of at least 2:1, the particles having a core of a metallically re... | 05/20/2008 |
| 7371456 | Nanoparticle based inks and methods of making the same The present invention provides nanoparticle based recording mediums, inks and ink compositions, methods of making nanoparticle based recording mediums and inks, nanoparticles and methods for making nanoparticles, methods for stabilizing colorants against electromagn... | 05/13/2008 |
| 7367666 | Ink jet recording method and ink jet recording apparatus An inkjet recording method which prints out by ejecting onto a recording medium an ink set for inkjet use, wherein the ink set includes at least: a first liquid containing at least a coloring material, a water soluble solvent and water; a second liquid containing at... | 05/06/2008 |
| 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 |
| 7354145 | Reaction solution, set of reaction solution and ink, inkjet recording apparatus and image recording method A reaction solution to be used for image recording with an ink containing a coloring material in a dissolved or dispersed state in order to achieve a high level of image density with stability, wherein the reaction solution contains a polyvalent metal ion and an org... | 04/08/2008 |
| 7347892 | Phase change inks containing modified pigment particles Disclosed is a phase change ink composition comprising (a) an ink carrier comprising (1) a polyalkylene wax and (2) a component selected from the group consisting of (A) amides, (B) esters, (C) ester-amides, (D) urethanes, (E) ureas, (F) urethane-ureas, and (G) mixt... | 03/25/2008 |
| 7344590 | Silver pigments The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 5-300 nm and optionally an outer protective l... | 03/18/2008 |
| 7342055 | Lithographic ink obviating fountain additives A lithographic ink comprises an acid-functional styrenic copolymer and an acid. In one embodiment, the ink contains the copolymer and acid in amounts effective to allow the ink to print lithographically with a fountain containing essentially water. A lithographic pr... | 03/11/2008 |
| 7322767 | Water-based ink composition for ballpoint pen and water-based ballpoint pen A water-based ink composition for ballpoint pen which has a colorant, water, a water soluble organic solvent and, as a shear-thinning tackifier, a polysaccharide, wherein the polysaccharide exists in the ink as particles having an average particle size less than 5 Î... | 01/29/2008 |
| 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 |
| 7316741 | Ceramic colorants in the form of nanometric suspensions Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use. ... | 01/08/2008 |
| 7314610 | Dental compositions having anti-stokes up converters and methods of use A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stoke... | 01/01/2008 |
| 7309388 | Jet ink composition for low surface energy substrates Disclosed are jet ink compositions suitable for printing on substrates such as plastics and oil contaminated metals messages having excellent adhesion, for example, scratch resistance. The jet ink composition comprises one or more organic solvents, a rosin resin, an... | 12/18/2007 |
| 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 |
| 7303614 | Ink composition and inkjet recording method An ink composition comprising a dispersion medium and a charged particle, wherein the charged particle comprises a colorant, a compound having pKb of 16 or less in water and containing a proton-acceptive neutral functional group, and a charge controlling agent havin... | 12/04/2007 |
| 7300506 | Ink formulations, print systems, and methods thereof Ink formulations, ink jet sets, methods of stabilizing an ink formulation, printer systems, and methods thereof, are disclosed. One exemplary ink formulation, among others, includes a pigment and a borate buffer. The ink formulation has an ink stability characterist... | 11/27/2007 |
| 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 |
| 7300504 | Inkjet inks and methods of preparing the same Inkjet ink compositions comprising a liquid vehicle and a modified azo pigment are described. The modified azo pigment comprises the reaction product of at least one diazonium reagent and at least one azo coupler. At least one of the diazonium reagents and/or azo co... | 11/27/2007 |
| 7297202 | Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image A dispersible colorant is provided which comprises a colorant and a chargeable resin pseudo fine particle of a size smaller than the size of the colorant being fixed or fused to the colorant, wherein the colorant itself has a surface charge. Thereby, it becomes poss... | 11/20/2007 |
| 7291209 | Ink for silk-screen printing and corresponding printing technique The present invention relates to inks for silk-screen printing technique, as well as the corresponding printing technique, designed to bestow upon the reproduction obtained by means of the use of said inks on an appropriate substrate, preferably of a paper type, a p... | 11/06/2007 |
| 7291216 | Platelet-shaped pigments The present invention relates to platelet-shaped pigments comprising (a) a layer obtained by calcination of a layer comprising SiOz wherein 0.03≦z≦2.0 and a metal, to a process for the production thereof, and to the use thereof in paints, text ink-jet... | 11/06/2007 |
| 7288582 | Colored compositions with substrate-hiding materials Compositions are disclosed. The compositions include a binder, a transparent or semi-transparent colorant having an average particle diameter of greater than 150 nanometers; and at least one member comprising a scattering pigment dispersed in a matrix. Substrates co... | 10/30/2007 |
| 7285581 | Processed pigments, pigment-dispersed solution, ink for ink jet, manufacturing method of processed pigments and manufacturing method of pigment-dispersed solution There is disclosed a processed pigment comprising a pigment having a dispersing agent adsorbed physically and/or chemically onto part of the surface of the pigment, and a cationic polymerizable compound bonded through a covalent bond to the surface of the pigment. P... | 10/23/2007 |
| 7282526 | Particle having an attached halide group and methods of making the same A modified particle or aggregate is disclosed wherein a particle has an attached group having the formula: wherein the substituents are defined in the disclosure. Modified particles with attached polymers are als... | 10/16/2007 |
