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| Number | Title | Issue Date |
| 8167990 | Ingestible or nutritional liquid ink composition for ink jet printing Nutritional or ingestible ink composition for ink jet printing comprising: a binder comprising at least 0.5% by weight, with respect to the total weight of the ink, of at least one zein; a solvent comprising at least 10% by weight, with respect to the total weight o... | 05/01/2012 |
| 8066808 | Ink set for ink-jet recording An ink set for ink-jet recording includes a plurality of color inks, wherein the following formulae (a) to (d) are satisfied. Light OD reduction rate (X %)=[(A−B)/A]×100 (a) Ozone OD reduction rate (Y %)=[(C... | 11/29/2011 |
| 7951233 | Reactive color inks An ink for use in inkjet printing has a colorant which has a precipitation rate in the presence of a predetermined fixer that is selected to have a value sufficiently low as to enable an increase in dot size of the colorant and produce a better color. ... | 05/31/2011 |
| 7947124 | High electrical resistivity ink jet ink composition Disclosed is an ink jet ink composition having reduced ink buildup on the printer nozzle plate. The ink jet ink composition comprises a non-conductive solvent, one or more binder resins that are soluble in the non-conductive solvent, and a colorant soluble in the no... | 05/24/2011 |
| 7942959 | Ink for ink-jet recording An ink for ink-jet recording, by use of which the ejection stability and the storage stability are improved while the occurrence of blurring is prevented, includes water, a water soluble organic solvent and a colored particle as a coloring agent. The volume average ... | 05/17/2011 |
| 7927409 | Multi-colored images viewable under non-visible radiation A set of colorants for printing a multi-colored image when viewed under non-visible radiation outside of the visible spectrum can include a first colorant and a second colorant. The first colorant can be capable of absorbing non-visible radiation and shifting the wa... | 04/19/2011 |
| 7927410 | Near infrared dye composition A near infrared dye composition includes a microcapsule that includes an inner core region and an outer shell. The inner core region includes a cross-linked polymer-near infrared dye aggregate. The outer shell includes nanoparticles. ... | 04/19/2011 |
| 7867326 | Ink set for ink-jet recording, ink-jet recording apparatus, method of ink-jet recording, method of evaluating ink set for ink-jet recording, and method of manufacturing ink set for ink-jet recording An ink set for ink-jet recording contains a yellow ink, a magenta ink, and a cyan ink. Ink sets capable of forming composite black images having good color deterioration properties and ozone resistance may be prepared by selecting an appropriate combination of a yel... | 01/11/2011 |
| 7862653 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus Novel conditions in the physical properties of an ink have been found out to provide an aqueous ink, which can give a high image density and achieve excellent fixing ability. The aqueous ink comprises at least water, a water-soluble organic solvent, a surfactant and... | 01/04/2011 |
| 7846245 | Ink-jet inks for neutral gray and black printing Ink, ink sets, and methods of printing are provided. The inks can include a plurality of dyes such that upon printing on a print medium, the printed ink or inks can maintain a neutral color, defined by an a* value from about −1 to about 3 and having a b* value fro... | 12/07/2010 |
| 7833335 | Ink-jet ink sets Ink-jet sets, printer systems, methods of printing, and printing materials are disclosed. ... | 11/16/2010 |
| 7815723 | Water-based ink system A no-mess water-based ink including a composition including water, an organic solvent, a coloring agent dissolved in the organic solvent, an emulsifier and a thickening agent for use in conjunction with a specially treated substrate containing a color developer.... | 10/19/2010 |
| 7806969 | Black inkjet ink The present invention pertains to an aqueous-based black inkjet ink comprising a mixture of Direct Black 168, Acid Blue 290 and a certain magenta dye. The ink exhibits good color neutrality and gray scale. ... | 10/05/2010 |
| 7799121 | Inkjet ink The present invention pertains to an aqueous inkjet ink comprising anionic self-dispersing pigment with a certain mixture of tetraorganoammonium and alkali metal cations. The inks exhibit greatly extended latency. ... | 09/21/2010 |
| 7785410 | Ink jet ink composition and method for printing on substrates under conditions of high static electrical charge Disclosed is an ink jet ink composition suitable for printing on substrates holding high static electrical charges such as polyethylene and PVC films and tubes. The ink jet ink composition comprises an organic solvent having a boiling point greater than 56° C., a b... | 08/31/2010 |
| 7771523 | Ink jet ink The present invention pertains to an aqueous inkjet ink comprising anionic self-dispersing pigment, a certain mixture of alkali metal cations and a certain humectant. The inks exhibit greatly extended latency. ... | 08/10/2010 |
| 7767011 | Aqueous gel ink compositions and method of printing same An ink comprising a liquid vehicle, a gelling agent, an electrolyte and optionally at least one colorant. A method of forming an image, comprising heating the ink to a first temperature, wherein the first temperature is above a sol-gel temperature, and jetting the h... | 08/03/2010 |
| 7753999 | Water based ink for ink jet recording and ink jet recording method A water-based ink for ink-jet recording enables the expression of sharp text and lines in high density black, and the formation of a high quality gradation image in which the graininess is reduced in a black image of medium to high lightness. The inks include a colo... | 07/13/2010 |
| 7740694 | Ink jet ink composition and method for printing Disclosed is an ink jet ink composition suitable for printing on substrates such as glass and metal. The ink jet ink composition comprises two or more organic solvents at least one of which is an alcohol, three or more binder resins comprising nitrocellulose, a ther... | 06/22/2010 |
| 7736424 | Ink set for ink-jet recording, ink for ink-jet recording and method for forming image An ink set for ink-jet recording is provided defined by an evaluation indicator approximately corresponding to an evaluation sensed by human eyes without relying on a color difference (ΔE) or an optical density difference (ΔOD) at the time of evaluating long-term ... | 06/15/2010 |
| 7736425 | Ink set for ink-jet recording, ink for ink-jet recording and method for forming image An ink set for ink-jet recording is provided defined by an evaluation indicator approximately corresponding to an evaluation sensed by human eyes without relying on a color difference (ΔE) or an optical density difference (ΔOD) at the time of evaluating a long-ter... | 06/15/2010 |
| 7699919 | Ink composition, recording method and recorded image utilizing the same, ink set and ink head An ink composition is prepared in such a manner that a difference between a dynamic surface tension (mN/m) measured by a maximum bubble pressure method at a temperature of 24 to 26° C. and a static surface tension (mN/m) is within a range from 0 to 7 (mN/m). The in... | 04/20/2010 |
| 7641722 | Ink composition including surface modified coloring agent An ink composition includes a self-dispersible coloring agent that includes an ionic group and a non-ionic linear or cyclic ester or amide moiety on a surface of the coloring agent at a mole ratio of about 1:10 to about 10:1, an organic solvent, and water. The color... | 01/05/2010 |
| 7621992 | Ink composition including chromophore-mimic additive and inkjet printer cartridge and inkjet recording apparatus including the same An ink composition having a high optical density, can implement a clear color image and improve the durability of printed images, such as waterproofness, lightfastness, gasfastness, environmental resistance, etc., having excellent storage stability, and does not cau... | 11/24/2009 |
| 7615111 | Metallic inkjet ink and method for forming the same A metallic inkjet ink includes a silver metallic colorant, another colorant and at least one ink vehicle. The other colorant is selected from a pigment, a dye, and combinations thereof. Also disclosed herein is a method of forming the metallic inkjet ink including p... | 11/10/2009 |
| 7615112 | Ink set for ink-jet recording and method for producing tetra-composite black image An ink set for ink-jet recording is characterized in that, when a patch of each of an yellow dye ink, a magenta dye ink, a cyan dye ink and a black dye ink is subjected to an ozone resistance test, the OD value reduction ratios of the patches upon the ozone resistan... | 11/10/2009 |
| 7591887 | Printing inks comprising cyclohexane polycarboxylic acid derivatives Printing inks, in particular packaging-printing inks, and also printing lacquers, which comprise cyclohexanepolycarboxylic acid derivatives as a component. ... | 09/22/2009 |
| 7566361 | Colouring preparations Colorant preparations contain the following ingredients: a) at least one dispersed, substantially water insoluble dye, b) water, c) at least one dispersant | 07/28/2009 |
| 7524366 | IR transparent cyan inkjet ink The present invention pertains to a cyan dye-based inkjet ink having substantially no absorption in the near-infrared region of the spectrum (near-IR transparent). The invention further pertains to a dye-based inkjet ink set comprising this near-IR transparent cyan ... | 04/28/2009 |
| 7520926 | Solvent-based ink composition Disclosed is an ink composition, particularly an ink jet ink composition, comprising one or more organic solvents, one or more solvent-soluble binder resins, and a water-insoluble quinone dye, wherein the quinone dye is present in the ink composition in a dissolved ... | 04/21/2009 |
| 7491266 | Black ink and ink set for inkjet recording To provide an inkjet black ink having excellent image durability and ink discharge properties and an ink set, the inkjet black ink, which contains a dye having a λmax of from 500 nm to 700 nm and a half-band width of 100 nm or more in an absorption spectrum of a di... | 02/17/2009 |
| 7481875 | Additive to improve ozone stability of dyes on porous media An inkjet ink includes an aqueous liquid vehicle, at least 1% by weight dye, and an ozone stability enhancing quantity of gluconate ions. ... | 01/27/2009 |
| 7473309 | Water-based ink composition and ballpoint pen using the same Provided are a water-based ink composition characterized by containing 0.01 to 1.0% by weight of high molecular saccharides (trade name: Diutan gum) represented by Formula 1 as an essential component in the ink composition and a ballpoint pen in which an ink reservo... | 01/06/2009 |
| 7465343 | Inkjet ink for use on polymeric substrate An ink for use in an inkjet printer and for printing on a polymeric substrate, comprises a swelling agent, selected and provided in sufficient amount to enable said colorant to enter the surface of the substrate, a colorant dispersed or dissolved in the swelling age... | 12/16/2008 |
| 7465344 | Ink for ink jet recording comprising print density improver, print density improver and method for improving print density An aqueous ink for ink jet recording, which comprises: at least one dye; and at least one of a compound having at least one phosphonic acid group and at least one carboxyl group and a compound having at least two phosphonic acid groups as a print density improver(s)... | 12/16/2008 |
| 7449055 | Inkjet ink set The present invention pertains to a dye-based inkjet ink set with a lightfast cyan ink and, more particularly, to a dye-based inkjet ink set suitable for printing on fabrics, especially polyamide fabric. The present invention also pertains to a method for printing a... | 11/11/2008 |
| 7442241 | Inkjet ink composition and multi-color inkjet ink set having the same An inkjet ink composition including about 100 parts by weight of a liquid vehicle (such as water), about 1 to about 35 parts by weight of a colorant including first and second dyes, and about 0.1 to about 130 parts by weight of an organic solvent, and a weight of th... | 10/28/2008 |
| 7438404 | Ink-jet recording ink and image-forming method The present invention provides an ink-jet recording ink which includes colored fine particles including an oil-soluble dye and an oil-soluble polymer or a photopolymerizable monomer, and a compound represented by formula (I): | 10/21/2008 |
| 7427129 | Boronic acid containing dyes to improve permanence of images A printing system including a boronic acid dye and a coated print medium. The boronic acid dye comprises a boric acid group or a boronic acid group attached to the dye. The boronic acid dye covalently binds to a polyhydroxylated material present in a coating layer o... | 09/23/2008 |
| 7427130 | Image forming process and image forming apparatus and ink set therefor An image is formed by applying a recording composition having a colorant and a treating composition including a component that reacts with colorant droplets so that the compositions contact and mix with each other on a recording medium; and adjusting the pH of the m... | 09/23/2008 |
