Abstract: The present invention relates to an inkjet ink comprising: a) colorant; b) a polymeric binder having an acid number below 200 selected from the group consisting of a styrene-acrylic polymeric binder, an acrylic polymeric binder, an anionic polyurethane binder and combinations thereof; c) water dispersible surfactant; and d) a solvent which does not dissolve an acidified form of the binder, the solvent having a vapor pressure less than 0.1 mm at 25° C. The invention further relates to methods of making using the ink, printing systems and ink sets which use this ink.

Abstract: The present invention provides ink compositions for ink-jet printing. The ink compositions comprise by weight from about 0.1 to 5% by weight of a water-soluble polyurethane; from about 0.1 to 15% by weight of a 1,2-alkyldiol having 5-9 carbon atoms; and from about 0.5 to 6% by weight of a pigment. The present invention also provides a process for printing an image on a print medium that comprises applying an inventive ink composition thereto by means of an ink-jet printer. The present invention further provides ink-jet cartridges containing inventive ink compositions.

Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.

Abstract: An inkjet ink system includes an anionic jettable ink, and a cationic fixer fluid, wherein the anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder, between 0.3 and 10% latex binder, between 1 and 6% colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water.

Abstract: A smear resistant inkjet ink formulation includes ink includes between 0.1 and 6% colorant, between 1 and 40% solvent, between 0.3 and 10% latex binder having a particle size between 100 and 300 nm and a glass transition temperature between ?20 and +100 degrees Celsius, water, and between 0.1 and 4% hydrophobic styrene-acrylic or acrylic resin having an acid number between 50 and 250 and a molecular weight between 1,000 and 60,000 or a polyurethane resin having an acid number between 40 and 200 and a molecular weight between 3,000 and 400,000.

Abstract: An inkjet ink system includes an anionic jettable ink, and a cationic fixer fluid, wherein the anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder, between 0.3 and 10% latex binder, between 1 and 6% colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water.

Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.

Abstract: An inkjet ink system includes an anionic jettable ink, and a cationic fixer fluid, wherein the anionic jettable ink includes between 0 and 4% styrene-acrylic or acrylic binder, between 0.3 and 10% latex binder, between 1 and 6% colorant, between 1 and 40% solvent with a vapor pressure less than 0.01 mm Hg at 25° C., and water.

Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.

Abstract: An inkjet fixer composition and a printing method and system used with the composition are disclosed herein. The composition includes: a) from 1 to 8 weight percent cationic polymer; and b) from 0 to 2 weight percent of at least one surfactant selected from the group consisting of nonionic surfactant, cationic surfactant and combinations thereof; and c) an aqueous liquid vehicle. Upon overprinting the fixer composition with an ink-jet ink on a substrate, the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate.

Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.

Abstract: Briefly described, embodiments of this disclosure include ink formulation and modified pigments. One exemplary modified pigment, among others, includes a pigment A represented by the formula in FIG. 3.

Abstract: The present invention is drawn toward systems, methods, and images printed on substrate. The system includes a porous media substrate, an ink-jet ink including a self-dispersed pigment and a polyurethane binder having acid value 20 to 100, wherein the ink-jet ink is configured for being printed on the porous media substrate, and a fixing fluid including a crashing agent, wherein the fixing fluid is configured for being overprinted or underprinted with respect to the ink-jet ink.

Abstract: The present invention is drawn toward systems, methods, and images printed on substrates. The system can comprise a porous media substrate, an ink-jet ink including a self-dispersed pigment and a polyurethane binder, wherein the ink-jet ink is configured for being printed on the porous media substrate, and a fixing fluid including a crashing agent, wherein the fixing fluid is configured for being overprinted or underprinted with respect to the ink-jet ink.

Abstract: Ink additives that reduce the deceleration of inks containing a polymer, such as acrylate binders, are disclosed. In accordance with the invention, an ink-jet liquid, an ink-jet liquid set, and the method for using the same are provided, wherein the one of the liquids comprises an aqueous vehicle, and a deceleration-alleviating component. The present formulations are used to formulate ink-jet liquids, and more particularly, to provide enhanced drop ejection performance in inks containing a polymer, such as deceleration (rapid drop velocity degradation during continuous operation of the firing resistor), when the liquid contains a deceleration-alleviating agent, such as, an aromatic glycol ether, a polar solvent and a long alkyl chain surfactant.

Abstract: An inkjet printing system and method for printing using both pigmented inks and dye-based inks. A supply of pigmented ink of a certain color is provided, along with another supply of dye-based ink of the same color. A pigmented nozzle array controllably deposits drops of the pigmented ink of the certain color, while a dye-based nozzle array controllably deposits drops of the dye-based ink of the same color. A region of a media is printed with the color by depositing, as governed by a controller, drops from the pigmented supply and drops from the dye-based supply on different subregions of the region.

Abstract: A waterfast, environmentally friendly ink-jet ink, is disclosed comprising from 1% to 90% by weight of a first humectant selected from the group consisting of glycerol, propanediol, and combinations thereof; from 1% to 25% by weight of a second humectant selected from the group consisting of ethylene glycol, diethylene glycol, propylene glycol, and combinations thereof; from 1% to 20% by weight of a drying agent selected from the group consisting of 1,2-hexanediol, 1,2-pentanediol, and combinations thereof; from 0% to 20% by weight of 2-pyrrolidone; from 0.05% to 10.0% by weight of a waterfastness control dye selected from the group consisting of azo-containing dyes and phthalocyanine-containing dyes; and at least one additional dye present at from about 1.0% to 10.0% by weight. If the waterfastness control dye is an azo-containing dye, such dyes can include Direct Red 227, Direct Red 254, Direct Yellow 86, and Acid Orange 7.

Abstract: Ink additives that reduce the deceleration of inks containing a polymer, such as acrylate binders, are disclosed. In accordance with the invention, an ink-jet liquid, an ink-jet liquid set, and the method for using the same are provided, wherein the one of the liquids comprises an aqueous vehicle, and a deceleration -alleviating component. The present formulations are used to formulate ink-jet liquids, and more particularly, to provide enhanced drop ejection performance in inks containing a polymer, such as deceleration (rapid drop velocity degradation during continuous operation of the firing resistor), when the liquid contains a deceleration -alleviating agent, such as, an aromatic glycol ether, a polar solvent and a long alkyl chain surfactant.

Abstract: An inkjet printing system and method for printing using both pigmented inks and dye-based inks. A supply of pigmented ink of a certain color is provided, along with another supply of dye-based ink of the same color. A pigmented nozzle array controllably deposits drops of the pigmented ink of the certain color, while a dye-based nozzle array controllably deposits drops of the dye-based ink of the same color. A region of a media is printed with the color by depositing, as governed by a controller, drops from the pigmented supply and drops from the dye-based supply on different subregions of the region.

Abstract: The present invention is directed to aqueous based ink compositions for ink jet printing on offset media and offset ink comprising various combinations of nonionic surfactants. Such formulations include effective amounts of an ink colorant and a nonionic surfactant having an HLB value from about 4 to 14. Optionally, additional nonionic surfactants, solvents, and binders can be added. In another formulation, an effective amount of an ink colorant, at least two nonionic surfactants, each being present at from about 0.01% to 10% by weight (preferably 0.01% to 2% by weight) and an effective amount of at least one binder (such as an acrylate binder) is disclosed.