Patent application number | Description | Published |
20100288162 | PIGMENTED PHASE CHANGE INKS CONTAINING LOW MOLECULAR WEIGHT QUATERNARY AMMONIUM SALT DISPERSANTS - A pigmented phase change ink composition comprising an ink vehicle, a dispersant, and pigment particles wherein the dispersant is a chemical compound of formula: | 11-18-2010 |
20100292467 | LOW MOLECULAR WEIGHT QUATERNARY AMMONIUM SALT DISPERSANTS - Disclosed is a chemical compound having the structure: | 11-18-2010 |
20110146537 | LOW MOLECULAR WEIGHT PIGMENT DISPERSANTS FOR PHASE CHANGE INK - Disclosed is a compound of the formula | 06-23-2011 |
20110151123 | Pigmented Phase Change Inks Containing Low Molecular Weight Pigment Dispersants - An ink comprising an ink vehicle; pigment particles; and a dispersant; wherein the dispersant stabilizes the pigment particles; and wherein the dispersant is a compound of the formula | 06-23-2011 |
20130276666 | PHASE CHANGE INK COMPOSITIONS AND SULFONATED COMPOUNDS FOR USE IN THE SAME - A phase change ink composition, comprising an anti-drool additive to prevent and/or reduce printhead and nozzle contamination in ink jet printers caused by drooling and fouling of the faceplate by the ink. In particular, there is provided sulfonated small molecules for use in phase change ink compositions and which are compatible with phase change ink components. | 10-24-2013 |
20140035994 | Phase Change Ink Compositions Containing Lignosulfonate Compounds - A phase change ink composition includes a carrier; an optional colorant; and a lignosulfonate compound of the formula | 02-06-2014 |
20140039168 | Lignosulfonate Compounds For Solid Ink Applications - A lignosulfonate compound for phase change ink of the formula | 02-06-2014 |
20140071213 | Phase Change Ink Compositions For Image Robustness - A phase change ink composition including a carrier; a colorant; and an acidic wax which is present in an amount of 0.1 to less than about 6 percent by weight based on the total weight of the phase change ink composition. | 03-13-2014 |
20140092165 | PHASE CHANGE INK CONTAINING SYNERGIST FOR PIGMENT DISPERSION - A phase change ink composition including a pigment; a carrier; a dispersant; and a synergist, (a) wherein, for a given sample of the synergist, about 80 to about 100 percent of the sample has a volume average particle diameter of about 50 to about 200 nanometers; (b) wherein the synergist has a surface area of about 30 to about 100 m | 04-03-2014 |
20140092182 | Phase Change Inks Containing Novel Synergist - A phase change ink composition including a pigment; a carrier; a dispersant; and a copper phthalocyanine synergist having a carboxylic acid group thereon. | 04-03-2014 |
20140146114 | Phase Change Ink Containing Ethylene Vinyl Acetate - A phase change ink composition including an ink vehicle; an optional colorant; and ethylene vinyl acetate in an amount of from about 0.1 to about 10 percent by weight based on the total weight of the phase change ink composition. | 05-29-2014 |
20140152748 | Phase Change Ink Comprising Modified Naturally-Derived Colorants - A phase change ink composition comprising an ink vehicle; an optional dispersant; and a modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles. | 06-05-2014 |
20140155625 | Modified Naturally-Derived Colorants For Phase Change Ink Applications - A modified naturally-derived colorant comprising a naturally-derived colorant that is modified with an aliphatic quaternary ammonium salt, an aromatic quaternary ammonium salt, or a mixture or combination thereof. The modified naturally-derived colorant is compatible with phase change ink vehicles. | 06-05-2014 |
20140176652 | Phase Change Ink Composition And Process For Preparing Same - A process for preparing a phase change ink including (a) subjecting a white colorant to acoustic mixing at an acceleration of from about 30 to about 110 g; (b) optionally, adding a dispersant and subjecting the white colorant and dispersant to further acoustic mixing at an acceleration of from about 30 to about 110 g; (c) separately melt mixing an optional antioxidant, an optional synergist, and a phase change ink carrier comprising (i) a branched triamide and (ii) a polyethylene wax, a Fischer Tropsch wax, or a mixture or combination thereof, to form a melt mixture; (d) adding the melt mixture of (c) to the acoustically mixed white colorant of (a) or (b) with stirring; (e) optionally, adding a fluorescent dye with stirring; and (d) optionally, filtering the phase change ink. | 06-26-2014 |
20140342280 | Alizarin-Based Polymer Colorants - A polymer colorant including polymer monomer units, and at least one alizarin unit which is incorporated into the polymer and which provides color to the polymer colorant and a process for preparing the polymer colorant. An article or composition containing the polymer colorant. A toner including the polymer colorant, and optionally, one or more ingredients selected from the group consisting of crystalline polyester resins, amorphous polyester resins, colorants, waxes, coagulants, mordants, and mixtures and combinations thereof. A polymer latex including an aqueous dispersion of polymer colorant, wherein the polymer colorant comprises polymer monomer units and at least one alizarin unit which is incorporated into the polymer and which provides color to the polymer colorant; and optionally, a mordant. | 11-20-2014 |