Matches 301 - 350 out of 408 < 1 2 3 4 5 6 7 8 9 >
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5990202 Dual encapsulation technique for preparing ink-jets inks  
Ink-jet inks for ink-jet printing are provided which include a vehicle and a colorant, the colorant encapsulated by or associated with a primer core/shell polymer to form a primer/colorant...
5985988 Ink compositions for thermal ink-jet printing  
A process for coloration of a substrate comprising printing an ink onto the substrate using a thermal ink jet printer, characterised in that the ink comprises water and a water-dissipatable...
5981623 Ink jet ink containing wetting agent  
A jet printing ink composition which results in reduced drop misdirection and missing nozzles is provided. The aqueous-based ink composition includes at least one colorant; a wetting agent; and a...
5976230 Reactive ink set for ink-jet printing  
An ink set and method for ink-jet printing using the same are disclosed, the ink set comprising inks comprising an aqueous vehicle and a colorant, the ink set comprising at least two mutually...
5973062 Printing ink composition  
An ink composition for publication gravure printing is provided with a colored polyurethane oligomer dissolved in the solvent component of the ink.
5973036 Reversibly-crosslinked-polymers for shear-thinning phase change ink jet inks  
Phase-change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and ...
5972082 Aqueous ink composition and ink-jet printing method using the same  
An aqueous ink composition contains a colorant and a humectant, and has a surface tension γ of less than 50 mN/m when measured by a maximum bubble pressure method at 25° C., with a bubble...
5969033 Polymer/dye reaction products for improved chroma in pigment-based ink jet inks  
Aqueous ink jet inks with improved water fastness, smear fastness and improved chroma comprise an aqueous vehicle; a polymeric dispersant; and an insoluble colorant comprising an organic pigment...
5969003 Ink compositions  
An ink that contains a vehicle, a colorant and a sulphonated polyester terminated with acrylic acid groups, methacrylic acid groups, or mixture thereof.
5962552 Ink composition and image recording method  
Described are an ink composition comprising water, a colorant and acrylic silicone resin particles having alkoxysilyl groups; and an image recording method comprising discharging the droplet of an...
5958120 Ink compositions with improved waterfastness  
Disclosed is an ink composition which comprises (a) water; (b) a colorant selected from the group consisting of reactive dyes having terminal vinyl sulfate groups and mixtures thereof; (c)...
5958998 Ink jet inks  
An ink composition comprised of from about 20 to about 80 weight percent of water, from about 1 to about 25 weight percent of pigmented polymer, oil soluble colorant, and optionally from about 2 to...
5958118 Aqueous inks containing dye blends  
Disclosed is an ink composition which comprises water and a colorant selected from the group consisting of (a) a mixture of Acid Yellow 23 dye and Basic Yellow 51 dye, and (b) a mixture of Acid Red...
5948149 Water-based ink composition  
The present invention provides a water-based ink composition in which the wettability, surface tension, antibacterial properties, and other properties are controlled based on a simple formulation....
5945484 Water-in-oil type disperse ink  
A water-in-oil dispersed ink comprising: (A) a water-insoluble dispersion medium comprising 20% by weight--50% by weight of a water-insoluble polar solvent of an aromatic alcohol and/or an...
5935309 Ink-jet inks for improved print quality  
An ink-jet ink composition for ink-jet printing and a method using the same is disclosed, the ink composition comprising an aqueous liquid vehicle, at least one zwitterionic surfactant; and at...
5932631 Ink composition having excellent waterfastness  
An aqueous solution ink composition is provided which yields a waterfast printed image, is fast drying, and is stable under typical printing conditions in an ink-jet printer. The ink composition is...
5919846 Colorant having isocyanate substituent  
A novel colorant compound is provided which is the addition product of an organic chromophore having at least one reactive hydroxyl or amine substituent, a polyisocyanate, and a carboxylic acid,...
5919291 Aqueous recording solution for ink jet  
An aqueous recording solution for ink jet according to the present invention contains at least a water-soluble dye, a water-soluble fungusproofing agent and water, and a liquid extracted from at...
5919839 Phase change ink formulation using an isocyanate-derived wax and a clear ink carrier base  
Colored waxes are made by reacting selected nucleophiles, including alcohol containing colorants with an isocyanate are disclosed. A phase change ink is made by blending the colored wax with a...
5916488 Polyimide resin compositions for optical filters  
A printing ink for an optical filter, comprising a polyimide resin containing at least one perfluoroalkyl group in each recurring structural unit, at least one dyestuff soluble in the resin, the...
5911815 Ink set and ink-jet recording method using the same  
Disclosed herein is an ink set comprising in combination at least two inks of different colors, wherein at least one ink comprises a cationic dye and an amphoteric compound, and another ink of a...
5902841 Use of hydroxy-functional fatty amides in hot melt ink jet inks  
A phase change ink composition is disclosed wherein the ink composition utilizes colorant in combination with a selected phase change ink carrier composition containing at least one...
5900445 Erasable ink composition containing a polymer dye obtained from ethylenic monomers and marking instrument containing same  
An erasable ink composition contains a water-insoluble polymeric dye obtained by copolymerizing ethylenically unsaturated monomers at least one of which possesses a dye moiety covalently bonded...
5888284 Water-based inks and ink sets and use thereof  
An ink set (TS) containing of a plurality of inks (T1, T2, T3, T4, T . . . ) of various ink colors, containing at least one red or magenta-colored ink, one blue or cyan-colored ink and one yellow...
5885336 Recording ink, ink cartridge containing the same, and ink-jet recording method based on the use of the same  
A recording ink composition comprises pure water, a water-soluble dye, a polyvalent alcohol, and phosphoric acid. When iron is contained as an impurity in the recording ink composition, the iron...
5876492 Ink compositions containing esters  
An ink comprised of (1) a liquid ester vehicle, (2) a solid ester compound, (3) a liquid crystalline ester compound, (4) a UV absorber, (5) an antioxidant, and (6) a colorant.
5871571 Inks and UV-opaque protectorants comprising basic sodium and/or sodium/potassium aluminum sulfates and process for making such commercial products  
A process for making ink which begins with a leach liquor of Al 2 (SO 4 ) 3 +K 2 SO 4 +Fe 2 SO 4 and other sulfates that are introduced to a surface-cooled crystallizer that drops the Al 2 ...
5868823 Water-based magenta ink composition and ink-jet recording process employing the same  
A water-based magenta ink composition comprises an aqueous medium and a magenta dye dissolved therein, which employs Color Index Number Acid Red 52 as the magenta dye and contains 5 to 15% by...
5858075 Dye set for improved ink-jet image quality  
In accordance with the invention a set of dyes suitable for use in ink-jet inks and method for formulating the same are provided. The yellow ink of the present invention contains a yellow colorant...
5853465 Black-to-color bleed alleviation using non-specific ionic, pH, and colloidal effects  
An ink-jet ink set comprises (a) a microemulsion-based black ink in which the colorant is a water-insoluble black pigment has been chemically modified to impart water solubility by addition of...
5851273 Dye set for improved ink-jet print quality  
In accordance with the invention a set of dyes suitable for use in ink-jet inks and method for formulating the same are provided. A specific dye set for formulating the yellow, cyan, magenta, and...
5830263 Low energy heat activated transfer printing process  
A method of printing a liquid ink which is produced from a heat activated dye which is selected from a limited group of dyes which are capable of transfer at low energy. A printer which uses liquid...
5817843 Quinizarin compound, method for production thereof, and use therefor  
This invention is to provide a novel quinizarin compound which has a quinizarin structure represented by a following formula (1) having one to four of the 5, 6, 7, and 8 positions and at least...
5795970 Mixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on print  
A disazo dye composition comprising at least a disazo dye represented by the formula (I) and a disazo dye represented by the formula (II): ##STR1## (wherein X and Y indicate an alkoxy group having...
5795375 Water color ink for recording and ink-jet recording process  
A water color ink for recording, including a yellow ink, a magenta ink and a cyan ink, wherein the yellow ink contains color index number Acid Yellow 23 at 0.7 to 3 wt %, the magenta ink contains a...
5792249 Liquid composition, ink set, image-forming method and apparatus using the same  
The invention provides a liquid composition containing a metallic coordination compound in a solvent, an ink set in which the liquid composition is combined with one or more inks, a method of...
5785744 Water-based black recording ink, and ink-jet recording process making use of the same  
A water-based black recording ink comprises an aqueous medium and a colorant dissolved or dispersed therein, where the colorant comprises a first colorant, having a transmission color having L* of...
5785743 Bleed alleviation in ink-jet inks using organic acids  
An organic acid component is employed in a first ink-jet ink composition to reduce the pH differential required to render insoluble the pH-sensitive colorant of a second encroaching ink-jet ink...
5785745 Amphiphilic dyes  
Color bleed is alleviated between ink-jet inks by employing amphiphilic dyes. Amphiphilic dyes comprise a reactive dye covalently bonded to a hydrophobe. The amphiphilic dye, together with an...
5786459 Tetrazo dyestuffs  
Compounds of the formula (I) ##STR1## have been found which are suitable for dyeing and printing hydroxyl- and/or amido-containing substrates, in particular for printing paper by the ink-jet method.
5782965 Ink for ink-jet dyeing and method of forming mixing color  
Ink for ink-jet dyeing purposes contains a disperse dye which is insoluble, or slightly soluble, in water, and a dispersing agent which can be represented by the following general formula (I). ...
5781210 Recording method and recording solution  
A recording method of ink jet system which employs a recording solution composed of a dye which vaporizes more than 90 wt % upon heating at a temperature above 300° C., leaving residues in an...
5779778 Ink composition containing a mixture of benzodifuranone dyes  
An ink composition comprising: (i) a medium comprising a low melting point solid, an organic solvent, or a mixture of water and one or more water-soluble organic solvent(s); and (ii) from 0.5...
5772742 Dye set for improved color quality for ink-jet printers  
In accordance with the invention inks suitable for use in ink-jet printers and method for formulating the same are provided. The present dye set exhibits excellent color quality and lightfastness...
5755861 Ink composition, process for its preparation, and ink-jet recording process  
In an ink composition comprising a water-soluble dye or a pigment, dissolved or dispersed in an aqueous medium, the ink composition fulfills at least one of the following conditions 1 to 6 in...
5756561 Erasable ink composition containing a graft-polymerized dye  
An erasable ink composition contains a water-insoluble polymeric dye obtained by the graft polymerization of a preformed water-insoluble polymer with a dye monomer possessing at least one...
5749951 Ink composition for color ink jet recording and recording method with the same  
A magenta ink composition comprising C.I. Direct Red 227 in an amount of 0.3 to 3.5% by weight, a water-soluble high boiling low volatility organic solvent and water is disclosed. A set comprising...
5748204 Hybrid imaging system capable of using ink jet and thermal dye transfer imaging technologies on a single image receiver  
A hybrid imaging system is capable of using both ink jet technology and thermal dye transfer technology for producing images on a dye-receiving element of the type having a support and a polymeric...
5730789 Waterfast infrared scannable inks for ink jet printing  
An ink jet ink composition comprises a liquid vehicle, a dye, a hydroxyalkylated polyethyleneimine, and an ammonium salt for enhancement of waterfastness. The ammonium salt preferably comprises...
Matches 301 - 350 out of 408 < 1 2 3 4 5 6 7 8 9 >