Abstract: An ink for use in inkjet printing has a colorant which has a precipitation rate in the presence of a predetermined fixer that is selected to have a value sufficiently low as to enable an increase in dot size of the colorant and produce a better color.

Abstract: Provided is an ink composition including a colorant; a solvent; a surfactant; and an oxygen absorber of a hetero ring compound and a hydroxylamine-based compound. The oxygen absorber lowers a concentration of oxygen dissolved in the ink composition and maintains a low level even when the ink composition is in a high-temperature condition. Thus, gas is substantially not generated and bubbles are not formed. The ink composition can be stably ejected during high-speed printing.

Abstract: The present invention is a colorant compound represented by the following general formula (1): wherein at least one of R2, R4, R7 and R9 is an acylamino group represented by the following general formula (2): wherein R11 denotes one of an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group, an alkenyl group and a heterocyclic group; and ‘*’ denotes a bonding site with an aromatic ring of the general formula (1).

Abstract: An inkjet ink containing a colorant, where an amine compound is added as a pH adjuster. The ink is capable of preventing the pH of the ink from being shifted to the acidity side due to corrosive substances (e.g., acid substances) generated by deterioration of ink, adverse effects due to water absorption and moisture absorption, or degradation of resin (e.g., degradation of vinyl chloride-vinyl acetate copolymer resin), thus preventing erosion of a head nozzle member.

Abstract: The present invention pertains to a magenta inkjet ink and to an inkjet ink set for inkjet printing comprising the magenta ink and further comprising a yellow and cyan inkjet ink. The magenta ink and the other inks in the ink set are characterized by the presence of certain specific colorants. The magenta ink comprises a certain magenta dye defined in the specification and either one or both of Acid Red 52 and Acid Red 249. The yellow ink comprises Acid Yellow 79 and one or any combination of Direct Yellow 169, Direct Yellow 86 and Acid Orange 33. The cyan ink comprises Direct Blue 199. The magenta ink and the ink set are particularly advantageous for printing on plain and photo-glossy paper.

Abstract: Dye-based ink formulations and methods of making dye-based ink formulations are disclosed.

Abstract: The present invention is directed to ink-jet inks, ink sets, and methods of printing images. The ink-jet ink can comprise a cyan phthalocyanine dye, a divalent salt, an anti-flocculent aromatic polyamine, and a liquid vehicle. The cyan phthalocyanine dye can be susceptible to destabilization by the presence of the salt, and the anti-flocculent aromatic polyamine can be present at a concentration that stabilizes the cyan phthalocyanine dye in the presence of the divalent salt.

Abstract: Disclosed is an ink jet ink composition suitable for printing on substrates holding high static electrical charges such as polyethylene and PVC films and tubes. The ink jet ink composition comprises an organic solvent having a boiling point greater than 56° C., a binder resin soluble in the organic solvent, a colorant soluble in the organic solvent, and a polyvinylbutyral resin. Also disclosed is a method of printing images on such plastic substrates and a method for reducing microsatellite formation during ink jet printing. The ink jet ink composition provides improved print quality and reduced need for cleaning the nozzle.

Abstract: Pre-treatment compositions include organic liquids and cross-linking initiators. Pre-treatment compositions are included in ink sets that also include oil-based ink compositions. Oil-based ink compositions include organic liquids, unsaturated fatty materials having terminal polar functional groups, colorants, and metal salts. Methods for ink-jet printing use pre-treatment compositions and oil-based ink compositions.

Abstract: The present invention relates to a cyan dye donor element for thermal transfer imaging comprising a support having thereon a dye layer comprising a mixture of at least two cyan dyes dispersed in a polymeric binder, wherein at least one of the at least two cyan dyes is a light stabilizing dye represented by Formula I and a thermal image recording method utilizing the same cyan dye donor element. The present invention also relates to a cyan inkjet dye comprising a light stabilizing cyan dye represented by Formula I.

Abstract: In general, the invention relates to a security ink useful for producing indelible markings.

Abstract: Disclosed are compositions, which are stabilized against degradation and yellowing during exposure to ultraviolet light by the presence of certain nitroxyl, hydroxyl amine and hydroxyl amine salt additives, a method of stabilizing the compositions by the addition of said additives, to the use of such compositions as media in electroactive devices such as electrochromic and electrophoteric devices, and the electroactive devices comprised of these media.

Abstract: A black ink composition is provided and contains at least two coloring materials, water and additives, wherein the coloring material on the short wave side of the two coloring materials is a water-soluble dye having 3 or more azo groups in one molecule and a naphthalene skeleton, and the additives are selected from the group consisting of a bronzing inhibitor and an ozone resisting improver.

Abstract: Anti-bronzing agents are added to ink-jet inks to prevent bronzing of the inks when printed on various types of media. The additive can be an amine anti-bronzing agent that is protonated when the ink-jet ink is printed on the print medium.

Abstract: An ink jet ink composition comprised an anti-curl agent and ink jet printing processing using such ink jet ink composition. The ink jet ink composition includes a hyperbranched polymer. The hyperbranched polymer acts as an anti-curl agent to control curl during a printing process. The anti-curl agent, i.e., the hyperbranched polymer, may be present in the ink amounts less than conventional anti-curl agents and still effectively control curl without detrimentally effecting intercolor bleed control water fastness or drying. Additionally, the ink composition do not exhibit increases in viscosity, and problems associated therewith, that occur in ink composition using conventional anti-curl agents.

Abstract: A self-dispersible colorant has a hydrophilic group incorporated into a colorant. A method of preparing the self-dispersible colorant reacts a cyclic anhydride with a reactive colorant in the presence of a Lewis acid. An ink composition comprising the self-dispersible colorant provides long-term storage stability and dispersion stability.

Abstract: When an image is formed by imparting aqueous ink discharged from a recording head onto a recording medium P, water content contained in the aqueous ink is evaporated by a heater to suppress curl generated in the recording medium P after the image formation. The aqueous ink contains at least 15% by weight of curl control agent, and the viscosity of the aqueous ink is lower than 4 cp. The viscosity is increased to suppress the curl generation by evaporating the water content contained in the aqueous ink imparted on the recording medium P after the image formation.

Abstract: A dye-based ink includes a dye and a solvent. The dye-based ink has a high print quality on plain paper. The dye-based ink may have a print quality similar to pigment-based inks. This may be particularly relevant for black inks.

Abstract: Disclosed is a phase change ink composition and a method for forming the ink composition. The phase change ink composition comprises (1) an ink carrier comprising (A) a first component which comprises a monoester wax or blend of monoesters having at least one alkyl group comprising at least 10 carbon atoms, and (B) a second component which comprises a polyalkylene wax, and (2) a urea gellant and (3) a colorant.

Abstract: The present invention pertains to an aqueous-based black inkjet ink comprising a mixture of Direct Black 168, Acid Blue 290 and a certain magenta dye. The ink exhibits good color neutrality and gray scale.

Abstract: An ink jet recording ink is provided which does not have a problem concerning curling of a recording medium containing cellulose, and can deal with high-definition image recording while maintaining good response at a high level during ejection at a high drive frequency and good startup properties. The ink contains at least water, a colorant, a compound represented by the following general formula (I) accounting for 8 to 40% by mass of the total mass of the ink, and a water-soluble substance accounting for 5 to 30% by mass of the total mass of the ink, the ratio (A/B) of mass (A) of the compound represented by general formula (I) and mass (B) of the water-soluble substance is in a range of 1/3 to 7/1.

Abstract: An ink jet recording ink is provided which does not have a problem concerning curling of a recording medium containing cellulose, and can deal with high-definition image recording while maintaining good response at a high level during ejection at a high drive frequency and good startup properties. The ink contains water, a colorant, a compound represented by the following general formula (I) accounting for 8 to 40% by mass of the total mass of the ink, and plural types of nonionic surfactants accounting for 0.

Abstract: There is provided an ink composition for ink jet recording, which can yield images having excellent gloss with good color reproduction even on various recording media having a low level of water absorption, especially synthetic paper and printing paper for running-on. The ink composition for ink jet recording comprises a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water-soluble 1,2-alkanediol, a poor water-soluble 1,2-alkanediol, and a poor water-soluble both terminal alkanediol, and the alkanediol satisfies a requirement on a weight basis of A:(B+C)=2:1 to 2:3 wherein A represents the content of the water-soluble 1,2-alkanediol in the alkanediol; B represents the content of the poor water-soluble 1,2-alkanediol in the alkanediol; and C represents the content of the poor water-soluble both terminal alkanediol in the alkanediol.

Abstract: An ink composition including a siloxy group-containing silane-based compound, a colorant, and a solvent, and an ink cartridge and an inkjet recording apparatus including the ink composition.

Abstract: A salt of a sulfonated dye modulates a stability of the dye, particularly its ozonefastness. The salt comprises an organic cation selected from the group consisting of: a first organic cation having a positive charge delocalized between a nitrogen atom and at least one other heteroatom; a second organic cation having a positive charge delocalized between a nitrogen atom and at least two other atoms; and a third organic cation of formula (A): wherein: Rp, Rq and Rr are each independently selected from a C1-6 alkyl group; s is 0, 1, 2 or 3; and Ar is a C6-12 aryl group or C3-12 heteroaryl group.

Abstract: A fixer fluid for an inkjet ink set includes an aqueous vehicle, and a tri-alkyl-substituted amine-N-oxide. The fixer fluid also includes an acid, a cationic polyelectrolyte, or combinations of the acid and polyelectrolyte(s).

Abstract: Disclosed is an ink carrier and a method for forming same, and a phase change ink including same. The ink carrier comprises a colloidal dispersion of at least one of silica nanoparticles and metal oxide nanoparticles. The ink carrier can also include a low melting wax, and a gelling agent. The ink carrier exhibits a substantially uniform distribution of the nanoparticles so that they are discretely distributed therewithin, and are substantially resistant to the aggregation of the nanoparticles distributed therewithin.

Abstract: A yellow ink composition comprises C. I. Pigment Yellow 185 used as a colorant and has a pigment concentration of 10 to 20 weight percent.

Abstract: Disclosed is a bis(urea-urethane) compound of the formula wherein R1 and R1? each, independently of the other, is an alkyl group, wherein at least one of R1 and R1? has at least about 6 carbon atoms, R2 and R2? each, independently of the other, is an alkylene group, wherein at least one of R2 and R2? has at least about 3 carbon atoms, R3 is an alkylene group having at least about 2 carbon atoms, and R4 and R5 each, independently of the other, is a hydrogen atom or an alkyl group, and wherein R1 and R1? each contain no more than 2 fully fluorinated carbon atoms.

Abstract: An ink composition including: a colorant, a betaine-based surfactant represented by the following formula (1) and a defoaming agent: [c1] (R)p-N-[L-(COOM)q]r??(Formula 1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amine or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion comprising an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case where p+r is 4, R may be the same or different when p is 2 or more, COOM may be the same or different when q is 2 or more, and L-(COOM)q may be the same or different when r is 2 or more).

Abstract: An ink for ink-jet recording is provided which, although contains free copper ions, has anticorrosive properties and is free from the formation of a precipitate caused by the free copper ion. The ink for ink-jet recording containing the free copper ion includes cyclohexylammonium carbamate serving as an anticorrosive.

Abstract: An ink composition comprising: a betaine-based surfactant represented by the following general formula (1) and a linear saturated aliphatic alcohol having a hydroxyl value of 1 to 2 and 4 to 6 carbon atoms: [C 1] (R)p—N-[L-(COOM)q]r??Formula (1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amine or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion formed of an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case p+r is 4, R may be the same or different when p is 2 or more, COOM may be the same or different when q is 2 or more, and L-(COOM)q may be the

Abstract: An ink composition comprising: a betaine-based surfactant represented by the following general formula (1), a defoaming agent in the form of a glycol ether represented by the following general formula (2), and/or a glycol ether represented by the following general formula (3): (R)p—N—[L—(COOM)q]r??Formula (1) (wherein, R represents a hydrogen atom, alkyl group, aryl group or heterocyclic group, L represents a divalent or more linking group, M represents a hydrogen atom, alkaline metal atom, ammonium group, protonated organic amino or nitrogen-containing heterocyclic group or quaternary ammonium ion group, or represents a group that does not exist as a cation in the case of being a counter ion of an ammonium ion formed by an N atom in formula (1), q represents an integer of 1 or more, r represents an integer of 1 to 4, p represents an integer of 0 to 4, p+r is 3 or 4, N is a nitrogen atom that composes a quaternary amine in the case p+r is 4, R may be the same or different when p is 2 or more, COOM may be th

Abstract: An ink composition comprising a colorant, a solvent, a surfactant, and a defoaming agent is provided. The defoaming agent has a structure of Formula R1—X—(CH2CH2O)m-(CHCH3CH2O)n-R2??(I), in which, X is selected from the group consisting of COO, O, S, R3—N and R4(R5)—C; R1, R2, R3, R4, and R5 are each independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group and a substituted or unsubstituted aralkyl group; m is an integer from 0 to 100; and n is a natural number from 1 to 100. The ink composition according to the exemplary embodiment exhibits low foaming properties in order to flow smoothly and has a good initial discharge capacity and less ink bleeding so that it is possible to achieve a high print quality during printing, and an ink cartridge including the same.

Abstract: Pre-treatment compositions include organic liquids and cross-linking initiators. Pre-treatment compositions are included in ink sets that also include oil-based ink compositions. Oil-based ink compositions include organic liquids, unsaturated fatty materials having terminal polar functional groups, colorants, and metal salts. Methods for ink-jet printing use pre-treatment compositions and oil-based ink compositions.

Abstract: An ink for ink-jet recording includes: at least one of an azo dye having a specific structure; and at least one of a betaine surfactant and a nonionic surfactant, and an ink set includes the ink, and an ink-jet recording method used the ink.

Abstract: An ink composition is provided for inkjet recording including a compound represented by Formula 1, a coloring agent, and water, the ink composition having characteristics that prevent formation of depositions therein over time to obtain high storage stability and good ejection properties. wherein R1 and R2 are each independently, hydrogen, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 arylalkyl group, a substituted or unsubstituted C3-C20 cyclic alkyl group, or a substituted or unsubstituted C2-C20 hetero atom-containing cyclic alkyl group, R3 is hydrogen, a formyl group or an acetyl group, and M is hydrogen, Na, K, Li, an ammonium ion or an anilinium ion.

Abstract: Phase change ink carrier compositions comprising an admixture of (1) at least one urethane resin; and/or (2) at least one mixed urethane/urea resin; and/or (3) at least one mono-amide; and/or (4) at least one polyethylene wax are provided. In addition, a phase change colored ink of such carrier compositions comprising a phase change ink compatible colorant are also provided. Embodiments of the present invention also include methods for producing a layer of the above phase change colored ink on the surface of a substrate by either direct or indirect printing. Such methods also encompassing using a polyethylene wax as an overcoat layer above such a phase change ink layer on a printed substrate.

Abstract: Disclosed is an ink composition for ink jet recording, which possesses excellent gloss and good color reproducibility on various recording media, especially printing paper for running-on. The ink composition for ink jet recording comprises at least a colorant, water, an alkanediol, and a surfactant, wherein the alkanediol comprises a water soluble 1,2-alkanediol and a water insoluble both terminal alkanediol.

Abstract: The present invention pertains to an aqueous inkjet ink containing a humectant in the liquid vehicle selected from the group consisting of butyl urea, pentyl urea, and any combinations thereof which provides good print reliability and excellent latency with dye colorants. The present invention further pertains to an ink set containing this aqueous inkjet ink, as well as to methods of printing with this ink and ink set on a variety of substrates.

Abstract: In a fine particle dispersion, fine particles including an oil-soluble dye having an oxidation potential higher than 1.0 V vs SCE and a polymer having at least one of an amide group, a glycidyl group and a hydroxyl group are dispersed in an aqueous medium. Further, an ink composition includes the fine particle dispersion.

Abstract: The present invention pertains to an aqueous inkjet ink containing 1,1-diethylurea in the liquid vehicle which provides good print reliability and excellent latency with dye colorants. The present invention further pertains to an ink set containing this aqueous inkjet ink, as well as to methods of printing with this ink and ink set on a variety of substrates.

Abstract: An ink composition for inkjet recording including a compound represented by where R1 and R2 are each independently, hydrogen, a C1-C20 substituted or unsubstituted alkyl, a C2-C20 substituted or unsubstituted alkenyl, a C2-C20 substituted or unsubstituted alkynyl, a C6-C20 substituted or unsubstituted aryl, a C7-C20 substituted or unsubstituted arylalkyl, a C2-C20 substituted or unsubstituted cyclic alkyl, or a hetero atom-containing cyclic alkyl and M is hydrogen or Na, K, Li, or an ammonium ion. The ink composition may further include a coloring agent and water, so that the ink composition prevents formation of depositions therein over time to obtain high storage stability and good ejection properties.

Abstract: The present invention pertains to an inkjet ink comprising performance additives and to an ink set comprising this ink, wherein the performance additives alleviate bleed in multicolor printed elements.

Abstract: A UV curable, etch-resistant ink composition for ink jet printing of variable information on printed circuit boards and for printing the circuit boards themselves. The ink composition of the invention includes a novel thermal stabilizer for preventing the ink composition from hardening and gelling in the print head when heated.

Abstract: The present invention provides colorant-containing curable composition including a colorant of a metal salt having a di-valence or higher valence. The colorant is preferably a colorant of the compound represented by the following formula (I): wherein R1 represents a hydrogen atom, an alkyl group having 1 to 21 carbon atoms, an alkoxy group having 1 to 21 carbon atoms, or an electron-attractive group; R2 represents a cation having a charge equal to 1 valence of a cation of a metal atom having a valence of at least 2; and n represents an integer from 0 to 5.

Abstract: An ink composition is provided including a colorant, a solvent, and a disilazane-based compound. An ink cartridge including the ink composition, and an inkjet recording apparatus including the ink cartridge are also provided by the invention. The ink composition can suppress formation of bubbles in the ink cartridge during the printing operation of an inkjet printer, can rapidly remove bubbles once formed, and can demonstrate stability in an initial ejection performance of the ink by activated ink fluidity.

Abstract: An inkjet ink for preparing a lithographic printing plate contains a contrast dye including A, D, and B groups wherein A represents a phosphorous containing group capable of reacting with the surface of a lithographic receiver; D represents a chromophore group absorbing light between 400 nm and 700 nm; and B represents an aliphatic group of at least 6 carbon atoms. A lithographic printing plate includes such an inkjet ink and methods for direct plate making include jetting on a printing plate precursor.

Abstract: An inkjet ink composition including about 100 parts by weight of a liquid vehicle (such as water), about 1 to about 35 parts by weight of a colorant including first and second dyes, and about 0.1 to about 130 parts by weight of an organic solvent, and a weight of the first dye soluble in 100 parts by weight of water under standard state conditions is more than 1.5 times an initial weight of the first dye contained in 100 parts by weight of the inkjet ink composition and a weight of the second dye soluble in 100 parts by weight of water under the standard state conditions is less than 1.5 times an initial weight of the second dye contained in 100 parts by weight of the inkjet ink composition; and a multi-color inkjet ink set including the inkjet ink composition.

Abstract: Dye-based black ink formulations, ink-jet ink sets, and methods of making a dye-based black ink formulation, are disclosed.