Abstract: The present invention is drawn to multimeric dyes, ink-jet inks, and systems that can be used to print images having good water fastness and humid fastness, as well as good color characteristics. Specifically, a multimeric dye for ink-jet printing can comprise a first dye molecule chemically coupled to a second dye molecule through a linker group, wherein the multimeric dye is stable in the presence of interfering metals. These multimeric dyes can be used to form ink-jet inks and can be used in printing systems in accordance with embodiments of the present invention.

Abstract: The present method is drawn to the creation of fast-drying, photo-quality images with an ink-jet inks. The method comprises the steps of providing a inorganic porous media substrate, providing an aqueous ink-jet ink comprising an ink vehicle and an effective amount of a metallized dye having at least one heterocyclic nitrogen ring and an azo bond wherein the heterocyclic nitrogen is chelated or completed to a transition metal, and jetting the aqueous ink-jet ink onto the inorganic porous media substrate.

Abstract: A printing system comprising 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 of the print medium, fixing the boronic acid dye to the print medium. A method of reducing dye migration on a print medium is also disclosed.

Abstract: The present invention is drawn to multimeric dyes, ink-jet inks, and systems that can be used to print images having good water fastness and humid fastness, as well as good color characteristics. Specifically, a multimeric dye for ink-jet printing can comprise a first dye molecule chemically coupled to a second dye molecule through a linker group, wherein the multimeric dye is stable in the presence of interfering metals. These multimeric dyes can be used to form ink-jet inks and can be used in printing systems in accordance with embodiments of the present invention.

Abstract: Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl, isopropyl, fluoride, chloride, bromide and iodide groups.

Abstract: The present method is drawn to the creation of fast-drying, photo-quality images with an ink-jet inks. The method comprises the steps of providing a inorganic porous media substrate, providing an aqueous ink-jet ink comprising an ink vehicle and an effective amount of a metallized dye having at least one heterocyclic nitrogen ring and an azo bond wherein the heterocyclic nitrogen is chelated or complexed to a transition metal, and jetting the aqueous ink-jet ink onto the inorganic porous media substrate.

Abstract: A print medium is provided having a data storage device attached thereto, the print medium being configured to receive a printed image, and the storage device being configured to receive and store printing information.

Abstract: The present invention is drawn to systems and coated substrates for ink-jet ink printing. The coated media substrate can comprise a substrate, having coated thereon, a porous coating, wherein the porous coating comprises silica having crown compounds covalently attached thereto. The system utilizes a coated media substrate wherein the coating is functionalized with crown compounds, and further provides an ink-jet ink composition that has an affinity for the crown compounds.

Abstract: Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl, isopropyl, fluoride, chloride, bromide and iodide groups.

Abstract: An oxygen scavenging composition of a carrier, such as a polymer, which is permeable to both oxygen and water or water vapor and an oxygen scavenging compound of an organic compound or salt thereof dispersed relatively uniformly throughout the polymer in an amount effective to act as an oxygen scavenger. The oxygen scavenging compound is activated for scavenging oxygen by contact with water or water vapor which permeates into or through the carrier. Also, a catalyzing agent is included in an amount sufficient to increase the rate of oxygen scavenging by the organic compound. The organic compound and catalyzing agent are preferably maintained in a dry state by freeze drying or microencapsulation until the organic compound is activated for oxygen scavenging by contact with water or water vapor.

Abstract: The novel phthalocyanine cyan dye of the formula (I) in which M represents an ion of a metal selected from the group consisting of Cu, Fe, Co, Mg, Mn, Sn and Ni, X represents a linear compound having 6-10 atoms in length containing C, O, and/or N, R1 represents pyridine, imidazole, sulfide, thiol, phenol, benzene, benzaldehyde, pyrimidine, pyrizine, triazine, thiazole, oxazole, pyridone, pyrone, pyrole, thiophene, furan, pyran, dioxane, and morpholine, and derivatives thereof, R2 represents an atom or chemical group that imparts water solubility to the phthalocyanine cyan dye, and y and z each independently represent an integer of 1 to 3 satisfying the relation of 2≦y+z≦4. Ink formulations containing at least one dye of the formula (I) and methods for ink jet printing with inks containing the phthalocyanine cyan dyes of formula (I).

Abstract: The present invention is drawn to a coated substrate for ink-jet ink printing comprising a substrate, having coated thereon, a porous coating, wherein the porous coating comprises silica covalently attached to a chelating agent, an ultraviolet blocker, and/or a hindered amine light stabilizer. In one embodiment, the chelating agent, ultraviolet blocker, and/or hindered amine light stabilizer can be substantially homogenously distributed on the silica.

Abstract: The present invention is drawn to systems and coated substrates for ink-jet ink printing. The coated media substrate can comprise a substrate, having coated thereon, a porous coating, wherein the porous coating comprises silica having crown compounds covalently attached thereto. The system utilizes a coated media substrate wherein the coating is functionalized with crown compounds, and further provides an ink-jet ink composition that has an affinity for the crown compounds.

Abstract: Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl, isopropyl, fluoride, chloride, bromide and iodide groups.

Abstract: The present method is drawn to the creation of fast-drying, photo-quality images with an ink-jet inks. The method comprises the steps of providing a inorganic porous media substrate, providing an aqueous ink-jet ink comprising an ink vehicle and an effective amount of a metallized dye having at least one heterocyclic nitrogen ring and an azo bond wherein the heterocyclic nitrogen is chelated or complexed to a transition metal, and jetting the aqueous ink-jet ink onto the inorganic porous media substrate.

Abstract: The novel phthalocyanine cyan dye of the formula (I) 1

Abstract: An aqueous ink jet ink is disclosed which comprises an effective amount of an azomethine dye having at least one water solubilizing functional group covalently attached thereto. The water solubilizing functional group can either be directly attached to the azomethine dye and/or can be attached to the azomethine dye through an electrophilic coupling moiety. If an organic spacer group is used to separate the water solubilizing functional group from azomethine dye or the electrophilic coupling moiety, then straight and branched chained alkyl groups having from about 1 to 10 carbon atoms is preferred. Preferred azomethine dyes can be pyrazolone azomethines, pyrazolotriazole azomethines, and combinations thereof. Additionally, an aqueous ink jet ink is disclosed comprising an effective amount of a dye-based colorant and an essentially water soluble spiroindane additive for improving light fastness and stability of the dye-based colorant.

Abstract: An oxygen scavenging composition of a carrier, such as a polymer, which is permeable to both oxygen and water or water vapor and an oxygen scavenging compound of an organic compound or salt thereof dispersed relatively uniformly throughout the polymer in an amount effective to act as an oxygen scavenger. The oxygen scavenging compound is activated for scavenging oxygen by contact with water or water vapor which permeates into or through the carrier. Also, a catalyzing agent is included in an amount sufficient to increase the rate of oxygen scavenging by the organic compound. The organic compound and catalyzing agent are preferably maintained in a dry state by freeze drying or microencapsulation until the organic compound is activated for oxygen scavenging by contact with water or water vapor.

Abstract: 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 having a CIELAB hue angle, h.degree., less than 90.degree. to provide a true representation of colors, particularly skin tone colors. More specifically, a specific dye set for formulating the yellow, cyan, and magenta inks is disclosed, comprising Yellow 104, Direct Blue 199, and Magenta 377 dyes, respectively. The Yellow 104, the Magenta 377, and the DB 199 dyes provide near photographic images having lightfast characteristics necessary to preserve the trueness of the inkjet images by (1) producing images having less light fade and (2) images that when they do fade, fade in a more uniform manner across the color set.

Abstract: 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 optionally black inks is disclosed, comprising Direct Yellow 132, Direct Blue 199, Magenta 377, and optionally Pacified Reactive Black 31 dyes, respectively. This dye set provides ink-jet prints able to match printed color standards such as specification for web offset publications (SWOP) and Euroweb, with excellent lightfade and pen reliability performance.