Abstract: The invention relates to a pigment preparation, comprising (a) pigmentary copper phthalocyanine of the beta phase, characterized by a mean particle size d50 of 40 to 80 nm and a mean length to width ratio of the pigment particles of less than or equal to 2.0:1, and (b) 1% to 30% by weight, relative to the weight of the pigmentary copper phthalocyanine, of a pigment dispersant of the formula (II) where CPC is a group of a copper phthalocyanine, n is a number from 1 to 4.0, m is a number from 0.5 to 4.0; Kat is a cation from the group of the alkali metals, or H+; o is a number from 0 to 3.5, with n=m+o; R1, R2, R3, R4 are the same or different and are C1-C20 alkyl, C2-C20 alkenyl, C5-C20 cycloalkyl, C5-C20 cycloalkenyl or C1-C4 alkyl-phenyl, wherein the above groups are optionally substituted by hydroxyl and/or halogen. The pigment preparation is characterized by extreme high viscosity stability, which makes it particularly suitable for aqueous, solvent based and UV-curing inkjet inks.

Abstract: The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one monoazo pigment of the formula (1) wherein R1 represents Cl, OCH3, OH3 or NO2 as a coloring agent for pigmenting ink-jet inks and color filters.

Abstract: A dye of the formula (2) and a process for preparing the same, wherein the radicals are as defined in the specification

Abstract: The invention relates to the use of a pigment composition containing between 86.0 and 99.9 total mol % of C.I. Pigment Yellow 74 molecules and between 14.0 and 0.1 total mol % of at least one monoazo pigment of the formula (1) wherein R1 represents Cl, OCH3, CH3 or NO2 as a colouring agent for pigmenting ink-jet inks and colour filters.

Abstract: The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable and water-proof ink formulations.

Abstract: The invention relates to the use of an antimicrobially effective amount of a mixture from 5-chloro-2-methyl-4-isothlazolin-3-one, 2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one and 2-bromo-2-nitropropane-1,3-diol as a biocide in aqueous colorant preparations that have a heavy metal ion concentration of greater or equal 20 ppm. The invention effectively prevents the formation of precipitations.

Abstract: The invention relates to a dye mixture consisting essentially of one dye of formula (4) and a dye of formula (5).

Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.

Abstract: A dye of the formula (2) and a process for preparing the same, wherein the radicals are as defined in the specification.

Abstract: The invention relates to colorant preparations that essentially consist of A) 0.1 to 50% by weight, preferably 1 to 30% by weight, of at least one dye from the group of organic pigments. inorganic pigments and organic dyes, B) 0.01 to 80% by weight, preferably 0.1 to 50% by weight, of at least one water-soluble dispersing agent on the basis of an acid-free block polymethacrylic acid ester/block polyethylenoxide copolymer, C) 0 to 30% by weight, preferably 0.1 to 15% by weight, of at least one organic solvent, D) 0 to 20% by weight, preferably 0.1 to 5% by weight, of further conventional additives, E) 10 to 90% by weight, preferably 20 to 60% by weight, of water, each based on the total weight of the colorant preparation (100% by weight). The invention is useful in a variety of colorant preparations including printing inks, especially in ink-jet inks.

Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.

Abstract: The invention relates to a dye mixture essentially consisting of one dye of formula (4) and a dye of formula (5). The black dye mixture is advantageously used for ink jet printing and provides high light-resisting and neutral black ink formulations.

Abstract: Disclosed are metal complexes of trisazo dyes of the general formula 4 wherein R1 through R6 are as defined in the specification. The dyes are useful for dyeing and printing natural and synthetic fiber materials, recording fluids, especially for the inkjet process, liquid formulations for paper pulp dyeing, and also as colorants for electrophotographic toners, powder coatings and color filters including the dyes of the invention.

Abstract: The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable and water-proof ink formulations.

Abstract: A colorant mixture of C.I. Acid Red 289 and C.I. Reactive Red 23 and optionally a shading colorant is used for magenta recording fluids.

Abstract: Disclosed are compositions for printing recording materials, especially textile fibre materials, paper and papery substrates and plastic films and plastic transparencies by the inkjet printing process, including

Abstract: The invention relates to a dye in which R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms; R2 is hydrogen, carboxyl, chloro or nitro; R21 is hydrogen; or R2 and R21 together form a benzene ring which is fused on in positions 3 and 4 of the ring A and can carry 1, 2 or 3 sulfo groups; m is a number from 0 to 1; n is a number from 1 to 2; M+ is a cation or a mixture of different cations, at least one equivalent of the cations M+ per mole of the dye being lithium cations and/or cations of the formula (II) where p is a number from 1 to 30; X is CH2CH2, CH(CH3)CH2, CH2CH(CH3) or a combination thereof and R3, R4 and R5 independently of one another are hydrogen, a group of the formula (III) —(—X—O—)pH  (III) or an aliphatic radical of 1 to 18 carbon atoms. Dyes of the formula (I) are particularly suitable as colorants in inkjet inks.

Abstract: The present invention provides water-soluble acid dyes of the formula (1) in which R1 is A—X—COOM, A—X—SO3M, OR4 or NR5R6, A is NR7 or S, X is a (C1-C16)-alkylene or arylene radical optionally substituted with hydroxyl-, carboxyl- or amino-groups; R4, R5 and R6 independently of one another are hydrogen or (C1-C4)-alkyl or substituted (C1-C4)-alkyl R7 is hydrogen, methyl or ethyl; M is a cation and n is 0 or 1. which are suitable for printing natural and synthetic fiber materials for recording liquids, especially for the inkjet process, and for pulp-dyeing paper.

Abstract: The present invention provides water-soluble acid dyes of the formula (I) in which R1, R2 and R3 independently of one another are A—X—COOM, A—X—SO3M, OR4 or NR5R6, A is NR7or S, X is a straight-chain or branched (C1-C16)-alkylene radical, a straight-chain or branched, hydroxyl-, carboxyl- or amino-substituted (C1-C16)-alkylene radical, an arylene radical or a hydroxyl-, carboxyl- or sulfo-substituted arylene radical; R4, R5, and R6 independently of one another are hydrogen or (C1-C4)-alkyl or are (C1-C4)-alkyl substituted by one or more hydroxyl, 2-hydroxyethoxy, (C1-C4)-alkoxy or amino groups, R7 is hydrogen, methyl or ethyl; M is a monovalent cation or one equivalent of a polyvalent cation, and which are suitable for printing natural and synthetic fiber materials for recording liquids, especially for the inkjet process, and for pulp-dyeing paper.

Abstract: The present invention relates to the use of a CuPc composition consisting essentially of CuPc, e.g., C.I. Pigment Blue 15:3, and a hydroxymethylphthalimido CuPc, as a colorant in electrophotographic toners and developers, powders and powder coating materials, electret materials, inkjet inks, and color filters, wherein the phthalocyanines have a particle morphology with an average length-to-width ratio of more than 2.5:1.