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| Number | Title | Issue Date |
| 8092583 | Ink set An ink set includes a cyan ink composition containing C.I. pigment blue 15:6 or C.I. pigment blue 60 as a pigment and a magenta ink composition containing at least one quinacridone pigment selected from the group consisting of C.I. pigment violet 19, C.I. pigment re... | 01/10/2012 |
| 7156909 | Oily ink composition for ink-jet recording, and ink-jet recording method An oil based ink composition for ink jet recording containing, as an organic solvent, a mixture of a diethylene glycol compound that is liquid at ordinary temperature under atmospheric pressure and a dipropylene glycol compound that is liquid at ordinary temperature... | 01/02/2007 |
| 7147700 | Water base ink for ink-jet recording A water base ink for ink-jet recording comprises water, self-dispersing type carbon black, an anionic surfactant, and a nonionic surfactant. The anionic surfactant is a surfactant represented by the formula (1) and/or a surfactant represented by the formula (2). The... | 12/12/2006 |
| 7141107 | Water color ink for ink jet recording The present invention is relative with a water color ink suited for ink jet printing for plain paper. The dry viscosity, the dynamic surface tension at 10 ms and the dynamic surface tension at 1000 ms of the ink are prescribed to be equal to 100 mPa·s or less, equa... | 11/28/2006 |
| 7132013 | Oil-based pigmented ink composition An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of... | 11/07/2006 |
| 7132014 | Oil-based pigmented ink composition An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of... | 11/07/2006 |
| 7125447 | Oil-based ink composition for ink-jet recording An oil-based ink composition for ink jet recording of the present invention contains a colorant and at least 50% by weight of a mixed solvent made by mixing from 0.02 to 4 parts by weight of a lactone-type solvent with 1 part by weight of polyoxyethylene glycol dial... | 10/24/2006 |
| 7122077 | Inkjet ink set and method of using same This invention pertains to an ink set for inkjet printing, in particular to an ink set comprising at least one ink comprising colorant and nonaqueous vehicle; and a fixing fluid comprising fixing agent and aqueous vehicle. The inve... | 10/17/2006 |
| 7118618 | Colored liquid composition for editing pen The colored liquid composition of the invention for a highlighter comprises a coloring element and water, the water content by weight lies in the range 10% to 30%. In addition, it comprises at least 40% of a liquid component having surface tension greater than 40 mN... | 10/10/2006 |
| 7118620 | Inkjet inks with particulate additive To reduce show through, particularly for color pigments, a particulate negative metal oxide. Specifically in an anionic ink, tin oxide of primary particle size in the range of about 10 to 30 nm, is incorporated in inkjet inks in amount of less than 2 percent by weig... | 10/10/2006 |
| 7097698 | Ink-jet recording ink, ink cartridge and recording device using such ink In order to improve the water-resisting property of an image formed on a recording medium such as recording paper and plain paper by using an ink-jet recording ink, while also improving the light-resisting property of the image, an ink-jet recording ink, which conta... | 08/29/2006 |
| 7094278 | Multi-color writing inks The disclosure is generally related to a multi-color writing ink and, more particularly, to a multi-color writing instrument comprising a mixture of a first ink composition and a second ink composition, wherein the first and second ink compositions are immiscible wi... | 08/22/2006 |
| 7083665 | Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex A highlightable ink including a colored pigment and an eradicable colorant; a kit including the highlightable ink and an eradicator solution; an ink complex including a colorless or substantially colorless eradicable dye selected from the group consisting of diarylm... | 08/01/2006 |
| 7081158 | Ink composition for continuous deflected jet printing, especially on letters and postal articles An ink composition for continuous deflected jet printing that is liquid at room temperature and that contains: a binder; one or more dyes and/or pigments; and a solvent; wherein the said ... | 07/25/2006 |
| 7077897 | Pigment for safety applications The invention relates to a multilayered interference pigment consisting of a transparent carrier material which is coated with alternating layers of colorless, non-absorbent metal oxides having a high and a low refractive index, the difference between the refractive... | 07/18/2006 |
| 7060123 | Fluorescent ink, and ink cartridge recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink A novel fluorescent ink is provided which contains at least a coloring material and an aqueous liquid medium for dissolving the coloring material, wherein the coloring material comprises C.I. Acid Red 52 and at least one direct dye, the content of the C.I. Acid Red ... | 06/13/2006 |
| 7052534 | Ink for inkjet recording, ink set for inkjet recording and inkjet recording method Ink for inkjet recording comprises a dye, water, a water-miscible organic solvent and a precursor of acids, and thereby is rendered resistant to image blur even under a high humidity condition, an ink set including such ink, and an inkjet recording method, in which ... | 05/30/2006 |
| 7045002 | Interactive ink set for inkjet printing This invention pertains to an ink set for inkjet printing, in particular to an ink set wherein all the inks are mutually interactive so as to reduce bleed of one color into another. The invention also pertains to a method of inkjet printing with this mutually intera... | 05/16/2006 |
| 7041163 | Non-aqueous inkjet ink set This invention pertains to an ink set for inkjet printing, in particular to a non-aqueous ink set comprising one or more inks based on certain pigment colorants. The invention also pertains to a method of inkjet printing with this ink set. ... | 05/09/2006 |
| 7037362 | Water color ink for ink jet recording The present invention is relative with a water color ink suited for ink jet printing for plain paper. The dry viscosity, the dynamic surface tension at 10 ms and the dynamic surface tension at 1000 ms of the ink are prescribed to be equal to 100 mPa·s or less, equa... | 05/02/2006 |
| 7037363 | Marking liquids The present invention pertains to an improved marking fluid that contains a sugar and/or a sugar alcohol, as well as methods for their manufacture. ... | 05/02/2006 |
| 7033424 | Phase change inks Phase change ink compositions comprising a phase change ink carrier and a colorant compound of the formula wherein M is either (1) a metal ion having a positive charge of +y wherein y is an integer which is at least 2, ... | 04/25/2006 |
| 7029525 | Optically variable water-based inks Optically variable water-based inks, methods of providing security information, and documents are provided. The optically variable water-based inks are suitable for flexographic printing processes, and the optically variable water-based inks display a viewing angle ... | 04/18/2006 |
| 7029524 | Water-based spray marking composition A water-based, aerosol marking composition that adheres to a variety of surfaces but is removable by mechanical rubbing with a dry cloth or by washing with water is provided. The composition comprises 10 to 50% by weight water; 5 to 50% by weight of a solvent select... | 04/18/2006 |
| 7025820 | Method for forming an aqueous carbon black dispersion A method for forming an aqueous carbon black dispersion including providing a reaction mixture including carbon black having a DBP uptake of greater than 90 cc/100 g of the carbon black, a monovalent ion persulfate, an aqueous medium, and, in some embodiments, a str... | 04/11/2006 |
| 7018459 | Ink set for ink-jet recording, ink-jet recording method and ink-jet recording apparatus The present invention is an ink set for ink-jet recording using at least two kinds of inks comprising a first ink containing at least a pigment, a water-soluble solvent and water, and a second ink containing at least a pigment, a coagulant, a water-soluble solvent a... | 03/28/2006 |
| 7018452 | Ink set for ink jet recording, ink jet recording method and ink jet recording apparatus An ink set for ink jet recording including plural color inks including a black ink, the ink set including water, a water-soluble organic solvent and colorants. At least one of the color inks having a hue other than black is a specified color ink containing a compoun... | 03/28/2006 |
| 7018453 | Low VOC web offset heatset inks A web offset heatset printing ink composition having less than about 2 wt. % of volatile organic compounds containing an aqueous polymer latex dispersed in an ink base of a resin, a non-volatile plasticizer, and a pigment and method for preparing same. ... | 03/28/2006 |
| 7014695 | Water base ink for ink-jet recording A water base ink for ink-jet recording contains a surfactant represented by the following formula (1) or (2), dipropylene glycol, a coloring agent, and water: CH3—(CH2)11—O—(CH | 03/21/2006 |
| 7014698 | Oil-based pigmented ink composition An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of... | 03/21/2006 |
| 6997979 | Pigment-based inks for ink-jet printing A neutral gray or black ink and combinations thereof for ink-jet printing, comprising: an ink vehicle; carbon black; another colored pigment or pigments such as a combination of cyan and violet pigments; wherein the carbon black and colored pigments are associated w... | 02/14/2006 |
| 6989052 | Phase change ink printing process Disclosed is a phase change ink composition comprising (1) an ink carrier comprising (A) a first component which comprises an ester-amide material, and (B) a second component which comprises either (i) a material selected from the group consisting of urethane compou... | 01/24/2006 |
| 6989054 | Ink jet white ink and titanium dioxide slurry therefor A titanium dioxide slurry for ink jet ink, which comprises water and surface-treated titanium dioxide particles dispersed in the water, the surface treatment being a treatment with an inorganic phosphoric acid compound. Also disclosed is an ink comprising the titani... | 01/24/2006 |
| 6986808 | Inkjet ink compositions Ink compositions having increased stability and increased jettability with the addition of specific surfactants, including alkyl ether sulfates and ethoxylated mercaptans, are provided. The remainder of the ink composition comprises a suitable carrier vehicle, which... | 01/17/2006 |
| 6986809 | Erasable inks, writing instruments, and methods Erasable inks are provided for use in a writing instruments. In one aspect, the inks include a solvent, and, dispersed in the solvent as a colorant, a pigment having a flake-like morphology, the ink being substantially free of other colorants. ... | 01/17/2006 |
| 6979365 | Ink set An ink set comprising at least one anionic chromatic colored ink and at least one cationic chromatic colored ink; and a recording process comprising the step of printing with an ink set comprising at least one anionic chromatic colored ink and at least one cationic ... | 12/27/2005 |
| 6964700 | Ink for use in ink jet recording and ink jet recording method utilizing the same An ink for use in ink jet recording which contains a dye and a pigment as colorants. The pigment is a self-dispersible pigment in which at least one anionic group is bonded directly or through another atomic group to a surface of the pigment, the dye is an anionic d... | 11/15/2005 |
| 6960248 | Cyclic bisamides useful in formulating inks for phase-change printing Cyclic bisamides may be used to formulate inks for jet ink printing. The cyclic bisamide may be prepared from a cyclic diamine and acylic monocarboxylic acids. Conversely, the cyclic bisamide may be prepared from a cyclic diacid and acylic monoamines. The performanc... | 11/01/2005 |
| 6958090 | Pigmented inks for ink jet printers There is provided an aqueous ink jet ink composition suitable for use in continuous ink jet printers comprising: (a) a surface modified carbon black pigment; (b) at least one organic pigment; and (... | 10/25/2005 |
| 6946025 | Process for preparing tetra-amide compounds Disclosed is a process for preparing a tetra-amide which comprises carrying out a condensation reaction between a diacid, a monoacid, and a diisocyanate, thereby forming a tetra-amide. Also disclosed is a process for preparing a phase change ink composition which co... | 09/20/2005 |
