Abstract: The present invention relates to formulations for the preparation of organic electronic devices which comprise at least one organic functional material and a mixture of at least two different solvents wherein a first organic solvent exhibits a lower boiling point than a second organic solvent and said first organic solvent exhibits a higher viscosity than said second organic solvent.

Abstract: A compound that improves the dispersibility of pigments in non-water-soluble solvents is provided, the compound having a pigment dispersant, a pigment composition, a pigment dispersion, and a toner wherein the compound has a polymer and a monoazo compound having a certain structure binding to each other.

Abstract: An ink composition includes, as dyes, a dye (Bk-1) represented by the formula (Bk-1); and a dye (Bw-1) represented by the formula (Bw-1), in which a content ratio A (dye (Bk-1):dye (Bw-1)) of the dye (Bk-1) and the dye (Bw-1) is 100:18 to 100:40.

Abstract: To provide an azo compound which improves the dispersibility of an azo pigment in a non-water soluble solvent. The purpose is achieved by an azo compound having a specific structure in which a high molecular weight polymer unit is bonded.

Abstract: An ink for ink jet including a coloring material; and a water-soluble organic solvent. The coloring material contains a compound represented by the following general formula (I). The water-soluble organic solvent contains a compound represented by the following general formula (II) and a linear both-terminal alkanediol having 4 to 6 carbon atoms. The content A (mass %) of the compound represented by the following general formula (II) based on the total mass of the ink is 4.0-12.0 mass %, and the mass ratio (A/B) of the content A (mass %) to the content B (mass %) of the alkanediol based on the total mass of the ink is 2.5-4.

Abstract: A compound having a bisazo moiety and a polyester moiety is provided. The compound can be provided as a pigment dispersant to improve the dispersion of an azo pigment in a water-insoluble solvent.

Abstract: The invention relates to (1) a water dispersion for ink-jet printing including a polymer and a pigment mixture of C.I. Pigment Yellow 74 (A) and an azo compound (B) represented by the following formula (1) which is dispersed with the polymer, wherein a total pigment solid content of the components (A) and (B) in the water dispersion is from 15 to 35% by weight; and (2) a water-based ink for ink jet printing including a polymer and a pigment mixture of C.I. Pigment Yellow 74 (A) and the azo compound (B) which is dispersed with the polymer, wherein a total pigment solid content of the components (A) and (B) in the water-based ink is from 3 to 20% by weight, wherein R10 and R20 are independently an aryl group with the proviso that at least one of R10 and R20 has a sulfonic acid group and a sulfonic acid amide group.

Abstract: An ink containing a first coloring material and a second coloring material, the sum total of these contents being 6.0% by mass or less. The first coloring material is a black coloring material exhibiting a difference ??max1 of 20.0 or more between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, the second coloring material is a specific coloring material exhibiting a difference ??max2 of 12.0 or less between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, and the sum of the ??max1 and the ??max2 is 35.0 or less.

Abstract: Provided, amongst other things, are dyes of formula II: wherein R1, R2, R3 and R4 are independently H or alkyl, so long as one or more is alkyl, and salts of the compound of formula II. Methods of making, inks, surgical markers and methods of marking tissue and the like are further provided.

Abstract: The invention relates to azo dyes of desulfo-K-acid [CA: 35400-55-6], their salts, a method for the preparation of these dyes, or salts thereof, a liquid phase comprising at least one of these dyes, a method for applying the liquid phase on a substrate, a printed matter and the use of these dyes in water-based inks for inkjet printing, in writing utensil or dyeing solutions for manufacturing color filters for optical and opto-electronic applications.

Abstract: Provided is an ink jet ink for printing including: water; a first dye; and a second dye, in which the first dye is C.I. Acid Orange 33, and the second dye is one or two kinds selected from C.I. Acid Orange 56 and C.I. Acid Orange 94.

Abstract: A light absorption anisotropic film, wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; and which is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; and shows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction. The light absorption anisotropic film is high in dichroism.

Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.

Abstract: Black disazo dyes of general formula (V) wherein A is a moiety of formula (VI) or of formula (VII) and B is a moiety of formula (VII) or of formula (IX) and wherein M, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, and R24, are as defined in the specification, are excellent black dyes for dying and printing cellulose containing materials and textile materials and, in particular, for preparation of recording liquids for ink jet printing and for writing utensils.

Abstract: An ink composition containing at least three coloring materials of a first coloring material, a second coloring material, and a third coloring material, in which the first coloring material is a compound represented by Formula (Y) as described, the second coloring material is at least one compound selected from Group A consisting of compounds having a specific structure, in which the mass ratio of the content (% by mass) of the second coloring material in the composition to the content (% by mass) of the first coloring material in the composition is 0.001 to 1.0, and the third coloring material is a compound different from the first coloring material as described.

Abstract: An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink.

Abstract: An ink set is provided and includes at least a yellow ink composition, a magenta ink composition, and a cyan ink composition, wherein the yellow ink composition contains as a colorant at least one selected from the group consisting of a compound represented by formula (Y-I) and a salt thereof. where R4 represents a monovalent group; R5 represents —OR6 or —NHR7; each of R6 and R7 represents a hydrogen atom or a monovalent group; X3 represents a divalent linking group; n3 represents 0 or 1; Ar3 represents a divalent heterocyclic group; and Ar4 represents an alkyl group, an aryl group, or a monovalent triazine ring group.

Abstract: An ink composition is used in an ink jet recording apparatus including a recording head that includes a nozzle plate having a nozzle aperture through which the ink composition is ejected, and a flow channel substrate having a communication hole acting as a flow channel through which the ink composition flows. The nozzle plate and the flow channel substrate are bonded together with an adhesive such that the communication hole communicates with the nozzle aperture. The ink composition contains a coloring material, an acetylene glycol-based surfactant having an HLB value of 9 or less, and at least one of the compounds expressed by general formula (1): R1O—(CH2—CH2—O)n—R2 or general formula (2): (R3)p—N-{L-(COOM)q}r.

Abstract: An object of the present invention is to provide an ink containing an azo compound which is excellent in solubility in a solvent and has a high extinction coefficient. The present invention relates to an ink comprising a solvent having a relative permittivity of 3 or less, as measured at a frequency of 1 kHz and at 22° C. and having a solubility in water of 20 mg/L or less at 25° C. and a specific azo compound.

Abstract: An ink containing a first coloring material and a second coloring material, the sum total of these contents being 6.0% by mass or less. The first coloring material is a black coloring material exhibiting a difference ??max1 of 20.0 or more between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, the second coloring material is a specific coloring material exhibiting a difference ??max2 of 12.0 or less between a maximum absorption wavelength in a 20.0% by mass aqueous solution of 1,2-hexanediol and a maximum absorption wavelength in water, and the sum of the ??max1 and the ??max2 is 35.0 or less.

Abstract: There is provided an aqueous solution containing (a) a preservative and (b) at least one azo compound represented by the following Formula (1) or a salt thereof, in which the content of (b) is 1% by mass to 25% by mass. (In Formula (1), G represents a nitrogen atom or —C(R2)?. R2 represents a hydrogen atom, a sulfo group, a carboxyl group, a substituted or unsubstituted carbamoyl group or a cyano group. X1, X2, X3, X4, X5, X6 and X7 each independently represents a hydrogen atom or a monovalent substituent. Y2, Y3 and Y4 each independently represents a hydrogen atom or a monovalent substituent. Y2, Y3 and Y4 may be bonded with each other to form a ring. All of Y2, Y3 and Y4 do not represent hydrogen atoms at the same time. M each independently represents a hydrogen atom or a monovalent countercation.

Abstract: There is provided an aqueous solution including: (a) a preservative, and (b) at least one kind of an azo compound represented by the following Formula (1) or a salt thereof, wherein a content of (b) is 1% by mass to 25% by mass: wherein, in Formula (1), A represents a substituted phenyl group or a substituted or unsubstituted nitrogen-containing 5-membered heterocyclic group, G represents a nitrogen atom or —C(R2)?, R2 represents a hydrogen atom, a sulfo group, a carboxy group, a substituted or unsubstituted carbamoyl group or cyano group, Y2, Y3 and Y4 each independently represents a hydrogen atom or a monovalent substituent, Y2, Y3 and Y4 may be bonded to each other to form a ring, all of Y2, Y3 and Y4 do not represent a hydrogen atom at the same time, and M each independently represents a hydrogen atom or a monovalent countercation.

Abstract: The invention relates to an ink which comprises: a low-polarity solvent having a relative permittivity of 3 or less at a measuring frequency of 1 kHz; and a specific heterocyclic azo dye.

Abstract: A novel black ink composition is provided. In the black ink composition of the present invention, the dye compounds include a blue dye compound of formula (I), a red dye compound of formula (II) and a yellow dye compound of formula (III). The black ink composition of the present invention is suitable for inkjet printing to improve light-fastness and printing property.

Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous and crystalline components are both synthesized from an esterification reaction.

Abstract: An ink set including at least a yellow ink composition, a magenta ink composition and a cyan ink composition, wherein the yellow ink composition contains, as the yellow colorant, at least one member selected from the group consisting of a compound represented by a specific structure and a salt thereof, each of the yellow colorant, the magenta colorant and the cyan colorant contained in the yellow ink composition, the magenta ink composition and the cyan ink composition, respectively, has at least one ionic hydrophilic group, the counter ion of the ionic hydrophilic group contains a lithium ion, and the lithium ion concentration is 70 mol % or more based on all cations in each ink composition.

Abstract: An inkjet ink composition includes a sulfoxide compound, a water-soluble dye having an aromatic heterocycle in a molecule, water and a water-soluble organic solvent, wherein the sulfoxide compound has a content of from 1% by weight to less than 10% by weight, based on the total weight of the composition. An inkjet recording method includes using an inkjet printer having a silicon oxide layer or a silane coupling layer in at least part of a component with which ink is brought into contact, and ejecting an inkjet ink composition from the inkjet printer to record an image on an inkjet recording medium, wherein the inkjet ink composition contains a sulfoxide compound, a water-soluble dye, and the sulfoxide compound has a content of from 1% by weight to less than 10% by weight, based on the total weight of the composition.

Abstract: Reactive dyes of formula wherein R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, (R2)s denotes s identical or different substituents from the group halogen, nitro, unsubstituted or halo-substituted C1-C4alkyl, C2-C4alkanoylamino, C1-C4alkylsulfonyl, carbamoyl, sulfamoyl and sulfo, Me is chromium, cobalt or iron, E is a bivalent radical of formula wherein X denotes chlorine or fluorine, T is a fiber-reactive radical of formula —NH—(CH2)2-3—SO2—Z??(2a), —NH—(CH2)2-3—O—(CH2)2-3—SO2—Z??(2b), (R3)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group, s is the number 0, 1, 2 or 3, q is the number 0 or 1, A denotes a bivalent radical of formula wherein R1, R2, X, T, m, n, q and s are as defined above, R4 and R7 denote hydrogen or C1-C4alkyl, R5 and R6 represent, each independent

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

Abstract: A solid ink composition suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the solid ink composition comprises both a crystalline component and an amorphous component, and optionally, a colorant, which provides for a robust ink.

Abstract: An ink composition comprising: a) 0.2 to 11 parts diethylene glycol mono alkyl ether; b) 20 to 45 parts glycerol; c) 0.5 to 8 parts pentan-1,5-diol; d) 0.5 to 9 parts colorant; e) 40 to 70 parts water; f) 0 to 8 parts 2-pyrollidinone; g) 0 to 3 parts surfactant; h) 0 to 5 parts in total of polyalkylene glycol and/or polyalkylene glycol ether having, in each case having a MWT of at least 5,000; and i) 0 to 5 parts biocide; wherein all parts are by weight. Also claimed are ink sets. The inks and ink sets are particularly useful for piezo ink jet printers.

Abstract: A solid ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates. In embodiments, the amorphous component is synthesized from an esterification reaction of citric acid.

Abstract: The present invention relates to yellow dye-based inkjet inks having improved permanence when jetted onto porous photo media. The inkjet ink includes a mixture of at least two yellow dyes, at least three co-solvents comprising about 18% to about 24% of the composition of the ink by weight, a penetrant, at least one wetting agent, and water.

Abstract: An inkjet ink set including at least a black ink, a cyan ink, a magenta ink, and a yellow ink. Each of the inks includes at least a water-soluble dye, water and a water-soluble solvent including a specific alkoxypropionamide compound. The cyan, magenta and yellow inks has a S/W ratio of not less than 1.5 and not greater than 3.5, wherein S represents the content of the water-soluble solvent in each ink, and W represents the content of water in each ink, and the black ink has a S/W ratio of not less than 1.0 and less than 1.5, wherein S represents the content of the water-soluble solvent in the black ink, and W represents the content of water in the black ink.

Abstract: Black disazo dyes of general formula (V) wherein A is a moiety of formula (VI) or of formula (VII) and B is a moiety of formula (VIII) or of formula (IX) and wherein M, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 and R24 are as defined in the specification, are excellent black dyes for dying and printing cellulose containing materials and textile materials and, in particular, for the preparation of recording liquids for ink jet printing and for writing utensils.

Abstract: A novel black ink composition is provided. In the black ink composition of the present invention, the dye compounds include a blue dye compound of formula (I), a red dye compound of formula (II) and a yellow dye compound of formula (III). The black ink composition of the present invention is suitable for inkjet printing to improve light-fastness and printing property.

Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula (I), at least one dye of the formula (II) and optionally at least one dye of the formula (III) and/or optionally at least one dye of the formula (IV) in which D1 to D7, R201 to R203, R0, R* and R**, T, M, v and f are as defined in claim 1, to dyes of the formula (II), to processes for their preparation, and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.

Abstract: Reactive dyes of formula wherein R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, (R2)s denotes s identical or different substituents from the group halogen, nitro, unsubstituted or halo-substituted C1-C4alkyl, C2-C4alkanoylamino, C1-C4alkylsulfonyl, carbamoyl, sulfamoyl and sulfo, Me is chromium, cobalt or iron, E is a bivalent radical of formula wherein X denotes chlorine or fluorine, T is a fibre-reactive radical of formula —NH—(CH2)2-3—SO2—Z??(2a), —NH—(CH2)2-3—O—(CH2)2-3—SO2—Z??(2b), (R3)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group, s is the number 0, 1, 2 or 3, q is the number 0 or 1, A denotes a bivalent radical of formula wherein R1, R2, X, T, m, n, q and s are as defined above, R4 and R7 denote hydrogen or C1-C4alkyl, R5 and R6 represent, each independ

Abstract: An azo dye represented by formula (1): wherein, R11 represents a monovalent substituent, R12 represents a hydrogen atom or a monovalent substituent, Ar1 represents a specific heterocyclic group such as a group such as a group shown below, and X represents atoms necessary to form a ring; wherein, in the heterocyclic group, R61 to R63 each independently represents a hydrogen atom or a substituent.

Abstract: The present invention relates to a novel ink composition and, more particularly, to an ink composition for digital textile printing, which is suitable for ink-jet printing on cellulose fiber materials. The novel ink composition of the present invention has stable pH value, fine storage stability, smoothness and ease in printing, and reduction in color deterioration.

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

Abstract: A process for printing an image on a substrate, the process comprising applying to the substrate an ink composition which comprises a liquid medium and a compound selected from the group consisting of compounds of Formula (1I), compounds of Formula (1II), compounds of Formula (1III) and compounds of Formula (1IV): wherein: A and D each independently represent optionally substituted aryl or optionally substituted heteroaryl; E represents optionally substituted pyrazolyl; Z represents H, halogen, nitro, cyano, hydroxy, amino, carboxy, optionally substituted alkyl, optionally substituted alkoxy or optionally substituted aryloxy; and p is an integer from 0 to 5. Preferably, the printing process is ink jet printing. Also provided are compounds of Formula (1I), (1II), (1III) and (1IV) and ink compositions comprising the same.

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

Abstract: Ink-jet sets, printer systems, methods of printing, and printing materials are disclosed.

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

Abstract: A composition comprising a compound of Formula (1) or a salt thereof and compound of Formula (2) or a salt thereof: wherein: A is or comprises an aryl or heteroaryl group; Q1 and Q2 each independently is an optionally substituted phenylene group; R1, R2, Ra and Rb each independently is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted arylalkyl; each W1, W2, W3 and W4 independently is a —CO2H, —SO3H, —PO3H2 group or an alkyl substituted with one or more groups selected from —CO2H, —SO3H, —PO3H2; each S1, S2, S3 and S4 independently is a substituent other than those defined for W1, W2, W3 and W4; a and d each independently is from 1 to 5; b and c each independently is from 0 to 4; (a+b) has a value of from 1 to 5; (c+d) has a value of from 1 to 5; e and h each independently is from 1 to 7; f and g each independently is from 0 to 6; (e+f) has a value of from 1 to 7; and (g+h) has a value of from 1 to 7.

Abstract: An azo compound and salts thereof containing an amide linkage and at least one carboxylic acid group attached at specific positions. The azo compounds are useful as colorants in inks especially ink jet printing inks.

Abstract: A process is provided for printing an image on a substrate, the process comprising applying to the substrate an ink composition which comprises a liquid medium and a compound of Formula (1): wherein: A and D each independently represent optionally substituted aryl or optionally substituted heteroaryl; E represents optionally substituted pyrazolyl; Z represents H, halogen, nitro, cyano, hydroxy, amino, carboxy, optionally substituted alkyl, optionally substituted alkoxy or optionally substituted aryloxy; and p is an integer from 0 to 5; provided that E does not have an optionally substituted carbonamide group of formula —CONR1R2 directly attached to it, wherein R1 and R2 each independently represent H, optionally substituted alkyl, optionally substituted cycloalkyl, or optionally substituted aryl. The printing is preferably ink jet printing. Also provided are compounds of Formula (1) and ink compositions containing the same.

Abstract: To provide inks and ink sets for inkjet recording, which have good fastness and good jet-out stability and which give good images with no bleeding trouble, yellow ink, black ink and magenta ink for inkjet printing contain at least two dyes each having an oxidation potential over 1.0 V (vs SCE).

Abstract: An ink composition, which comprises: at least two kinds of water-soluble dyes each having the maximum wavelength of an absorption spectrum in an aqueous solvent of from 550 to 700 nm, wherein at least one of the at least two kinds of water-soluble dyes is selected from the group consisting of a compound represented by formula (L-1) as defined in the specification, a salt of the compound represented by formula (L-1) and a compound having a naphthalene ring substituted with at least one hydroxyl group and three or more azo groups; an ink set containing at least one kind of the ink composition; a recording method comprising applying the ink composition to a recording medium; and a recording method comprising loading the ink set on a recording apparatus, and applying the ink from the recording apparatus to a recording medium.