Abstract: An aqueous pigment dispersion is produced by ultrafinely dispersing a pigment dispersion mixture, which has been obtained by mixing at least a pigment and a dispersant in an aqueous medium, with microbeads having diameters of not smaller than 0.02 mm but smaller than 0.2 mm. A color composition for a color filter is produced by dispersing a mixture of a pigment, a dispersant, a resin varnish and a solvent with the microbeads in a mill.

Abstract: The invention pertains to a highly concentrated pigment comprising from 75 to 95% by weight, preferably from 78 to 95% by weight, most preferred from 80 to 95% by weight, based on the weight of the composition, of a pigment; from 0 to 20% by weight, preferably from 5 to 18% by weight, based on the weight of the composition, of a resin; the total of pigment and resin being from 85 to 98% by weight of the composition; and from 1 to 15% by weight, preferably from 2 to 15% by weight, most preferably from 5 to 15% by weight, based on the weight of the composition, of a C10-C18 alcohol, a liquid hydrocarbon having a boiling point higher than 80° C. at 105 Pa, or both a C10-C18 alcohol and a liquid hydrocarbon having a boiling point higher than 80° C. at 105 Pa. Also claimed are a process for its manufacture, comprising dry-milling, blending and kneading the components, and the use of the pigment concentrates for the preparation of a masterbatch, ink, coating, plastic material, toner or colour filter.

Abstract: A method of producing an organic pigment dispersion liquid, which has the steps of: providing an alkaline or acidic solution with an organic pigment dissolved therein and an aqueous medium, wherein a polymerizable compound is contained in at least one of the organic pigment solution and the aqueous medium; mixing the organic pigment solution and the aqueous medium; and thereby forming the pigment as fine particles; then polymerizing the polymerizable compound to form a polymer immobile from the pigment fine particles.

Abstract: A pigment preparation which is characterized by a content in a) a benzimidazolonedioxazine compound of formula (I) as base pigment and b) a dioxazine compound of the general formula (IV) as pigment dispersant wherein Q represents an m-valent radical of a compound of formula (III), wherein m is a number from 1 to 4.

Abstract: The invention relates to an aqueous pigment preparation comprising (A) at least one organic and/or inorganic pigment, (B) dispersants and/or surfactants, (C) a trihydric or higher polyhydric alkoxylated alcohol, (D) a polyglycol alkyl ether, (E) if desired, hydrotropic oligomers and/or polymers, (F) if desired, fats, oils or fatty acids, (G) if desired, further additives typical in the preparation of aqueous pigment dispersions, and (H) water.

Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone blue dye with other red dye to absorb visible light with wavelength less than 700 nm and transmit a laser beam with wavelength at 800 nm to 1200 nm and to enhance weldability.

Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.

Abstract: Two or more solutions comprising an organic pigment solution in which an organic pigment is dissolved in a good solvent, and a poor solvent compatible with the good solvent, or a solution of the poor solvent are allowed to flow through a microchannel in a non-laminar state; and organic pigment fine particles are deposited from the organic pigment solution in a course of flowing through the microchannel by changing the solubility of the organic pigment solution with the poor solvent or the solution of the poor solvent. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner.

Abstract: A method of modifying a pigment that includes reacting a reactive compound having an X-[Y]n reactive group with a secondary compound N-S-ZM to form a substituted reactive intermediate [Y]a-X-(N-S-ZM)b. A pigment is reacted with the substituted reactive intermediate [Y]a-X-(N-S-ZM)b to attach the substituted reactive intermediate to the surface of the pigment to form a surface modified pigment. X may be a sulfonyl, phosphoryl, or 1,3,5-triazinyl group, Y may be a halogen leaving group, N may be a basic nucleophilic group, S may be an organic group, and ZM may be an ionizable end group. Also, n is an integer between 1 and 3, b is an integer between 1 and 3, and a=n?b. When n is equal to or greater than b, and if b is 2 or 3, each N-S-ZM can be the same or different.

Abstract: A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the presence of a compound represented by Formula 1: where Q denotes —NH(CH2)nNR1(R2) group or hydroxyl group, and R denotes —NH(CH2)nNR1(R2) group.

Abstract: Thermoplastic resin compositions suitable for laser welding are disclosed, which include a mixture of neutral anthraquinone dyes and at least one other red dye to absorb and transmit select regions of visible light and to enhance weldability.

Abstract: A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (1): wherein one of R1 and R2 is hydrogen and the other one of R1 and R2 represents —COOR4; R4 and R5 represent methyl; R3 is selected from the group consisting of: with C* representing the point of attachment of R3 to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2, R3, R4 and R5 have the same meaning as above with the exception that at least one of R4 and R5 represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.

Abstract: The present invention provides a pigment dispersion liquid including a pigment, a compound having a cyclic urea structure and having an acid group or a basic group, a dispersant, and a solvent. The pigment may be a pigment having a urea structure or an imide structure. The pigment may also be a pigment having a barbituric skeleton.

Abstract: A quinacridone derivative according to Formula (I): wherein R1 and R2 are each independently selected from the group consisting of hydrogen, alkyl, and halogen. Also, methods for preparing non-aqueous pigment dispersions and inkjet inks including a pigment and the quinacridone derivative of Formula (I).

Abstract: A non-aqueous pigment dispersion comprising a diketopyrrolo-pyrrole pigment, a polymeric dispersant and a dispersion synergist in a non-aqueous dispersion medium characterized in that said dispersion synergist is a diketopyrrolo-pyrrole derivative according to Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group and an acid group; R4, R5 and R6 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group and a cyano group; and characterized in that one of R7 and R8 is a group comprising two acid functions while the other one of R7 and R8 represents hydrogen.

Abstract: The present invention relates to a pigment preparation that comprises, as component (A), 2,4,5,7-tetraminopyrimido[5,4g]pteridine of formula (1), as component (B), a phosphate compound, and optionally, as component (C), further additives, to a process for the production thereof and to the use thereof for colouring high molecular weight organic material and in the production of printing colorants, printing pastes or printing inks.

Abstract: Disclosed is a composition and process of manufacture of a stir-in form of pigment with increased dispersing and color properties. Pigment is slurried with acetylenic dispersing agents, wet-milled to a particular particle size, and then dried to powder or granulate form. Also disclosed is a process for producing a pigmented paint composition from the stir-in pigment.

Abstract: Crude indanthrone is milled, with or without other additives, to reduce and normalize particle size and distribution to a sub-pigmentary, near amorphous, state. The resulting highly aggregated crude powder is then treated with a heterogeneous solvent system of water and an alkyl ester of an aromatic carboxylic acid, such as methyl benzoate, to de-aggregate and grow the particles back to a pigmentary size. The conditions of the solvent treatment can be controlled with respect to temperature, time, and solvent ratio such that the desired properties of strength, shade, and dispersability are optimized.

Abstract: A process for the preparation of pigment compositions which give improved ink flow is provided which comprises treating the pigment, during the pigment synthesis, with a small amount of a long chain aliphatic amine. The pigment compositions obtained can be used for preparing millbase inks which due to their improved flow viscosity (rheology) at high pigmentation can be easily handled as well as flexibly formulated, e.g. a number of final printing inks for different ink applications can be manufactured from a single millbase in a very economical manner. The final inks are preferably used in packaging gravure printing processes.

Abstract: A 9-cyano-substituted perylene-3,4-dicarboxylic monoimide I where the variables are defined in the specification.

Abstract: A colored particle (e.g., a spherical particle) comprising an organic solid component (e.g., a polymer component) and a coloring agent (e.g., an oil-soluble dye, and an organic or inorganic pigment) is produced by eluting a water-soluble auxiliary component comprising at least an oligosaccharide from a composition having a disperse system, in which a particulate dispersed phase comprising the organic solid component and the coloring agent is dispersed in a matrix comprising the auxiliary component. The weight ratio of the polymer component relative to the auxiliary component may be about 55/45 to 1/99. The proportion of the coloring agent may be about 0.001 to 100 parts by weight relative to 100 parts by weight of the organic solid component. Such a process ensures conveniently and industrially advantageous production of a colored particle (e.g., a colored polymer particle) corresponding to the dispersed phase independently of affinity between the dispersed phase and the matrix.

Abstract: A process for producing dichlorodiketopyrrolopyrrole pigment of the ? modification, which comprises wet milling crude dichlorodiketopyrrolopyrrole pigment wherein an ? modification and a ? modification coexist in the presence of a milling agent and a wetting agent, dichlorodiketopyrrolopyrrole pigment of the ? modification obtained the process and a color composition which contains the pigment and a pigment carrier.

Abstract: A method of producing a dispersion of a pigment, comprising: bringing a solution in which an organic pigment is dissolved, and an aqueous medium, into contact with each other in a channel having an equivalent diameter of 1 mm or less, thereby making the pigment into a fine particle thereof, wherein at least one of the solution and the aqueous medium comprises at least one anionic dispersing agent.

Abstract: The present invention includes a paint or coating composition comprising an organic pigment or dye complexed to the surface of a layered or fibrous inorganic clay. A wide variety of paint colors can be obtained by varying the pH during the preparation as well as by varying the synthesis conditions and changing particle size of the clay.

Abstract: Black perylene pigments which comprise one of the isomers of the formula Ia or Ib in which R1, R2 are each independently phenylene, naphthylene or pyridylene, each of which may be mono- or polysubstituted by C1-C12-alkyl, C1-C6-alkoxy, hydroxyl, nitro, and/or halogen; X is halogen; n Is from 0 to 4, or comprises a mixture of both isomers and has a blackness value ?210 in an alkyd/melamine baking varnish.

Abstract: The present invention relates to a method for colouring partially crystalline plastics in the material. The invention is characterized in that (i) a partially crystalline plastic from the group of homopolymers, terpolymers or ethylene copolymers, propylene, butylenes, styrene, and/or divinyl-benzene, polyesters, polyamides and the thermoplastic ionomers; (ii) a pigment from the group of dicetopyrrolopyrrole-, quinacridone, disazocondensation, isoindolinions and isoindoline pigments; and (iii) 0.001 to 0.25 weight part, in relation to a weight part pigment of an additive of formula (I), are formed, wherein Q is a radical of a dicetopyrrolopyrrole compound of formula (1a), wherein R14, R15, R16 and R17 independently represent hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy, or cyano; s is a number between 0.1-4.0; and R is a radical of formula —CONZ1Z2, —NZ1Z2 or —COOZ3.

Abstract: Dispersible pigment granules are produced by mixing an aqueous suspension of an organic pigment with an aqueous emulsion of a wax-like additive. The aqueous emulsion is then allowed to coagulate and the resulting aqueous dispersion is spray dried.

Abstract: The invention relates to a method for producing transparent dioxazine pigments. Said method is characterised by the use of an eccentric oscillating mill to crush a dioxazine crude pigment, said mill comprising at least one milling container that is mounted on the oscillating elements and an excitation unit that is rigidly fixed to said milling container. According to the invention, the excitation takes place in an eccentric manner on one side, outside the gravitational axis and the centre of mass of the milling container, thus generating inhomogeneous oscillations consisting of circular, elliptical and linear oscillations.

Abstract: A pigment dispersant contains the following component (a) alone or the following components (a) and (b) in combination: Component (a): a composite pigment formed of a diketopyrrolopyrrole pigment having a sulfonic group and another diketopyrrolopyrrole pigment having no sulfonic group, wherein the number of sulfonic group per molecule of the diketopyrrolopyrrole pigments in the composite pigment is from 0.05 to 0.5; and Component (b): a pigment other than the component (a), wherein the pigment has a sulfonic group or its metal salt, ammonium salt or amine salt. Also disclosed are a colored composition for color filters, a process for the fabrication of a color filter, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device.

Abstract: Disclosed is a pigment dispersion composition for producing a color filter. The pigment dispersion composition comprises a pigment, a binder resin, a dispersant and a solvent. The pigment is a blue anthraquinone pigment and is pretreated with a water-soluble inorganic salt and a wetting agent. The pigment dispersion composition can be used to produce a color filter for a color imaging device with good color separation and high transmittance.

Abstract: A thiazineindigo pigment dispersant represented by Formula (1) or (2): where E denotes a basic group. A pigment composition contains a pigment material, and the thiazine indigo pigment dispersant. A colored composition contains the pigment composition and a pigment carrier. A color filter includes a filter segment prepared from the colored composition.

Abstract: There is disclosed a pigment dispersant comprises the compound represented by the following formula (I) or a metal salt, ammonium salt, amine salt or alkylammoniumchloride salt thereof. Also disclosed are a colored composition for CF, a process for the fabrication of a CF, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device.

Abstract: A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and containing one or more inorganic pigments.

Abstract: A process for producing dichlorodiketopyrrolopyrrole pigment of the ? modification, which comprises wet milling crude dichlorodiketopyrrolopyrrole pigment wherein an ? modification and a ? modification coexist in the presence of a milling agent and a wetting agent, dichlorodiketopyrrolopyrrole pigment of the ? modification obtained the process and a color composition which contains the pigment and a pigment carrier.

Abstract: A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the presence of a compound represented by Formula 1: where Q denotes —NH(CH2)nNR1(R2) group or hydroxyl group, and R denotes —NH(CH2)nNR1(R2) group.

Abstract: Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. % pigment.

Abstract: A thiazineindigo pigment dispersant represented by Formula (1) or (2): where E denotes a basic group. A pigment composition contains a pigment material, and the thiazine indigo pigment dispersant. A colored composition contains the pigment composition and a pigment carrier. A color filter includes a filter segment prepared from the colored composition.

Abstract: A method of making a red pigmented composition is disclosed which includes (a) preparing an aqueous extract of Garcinia indica fruit comprising at least one red colorant; (b) treating the extract with a cation exchange resin so that one or more red colorant associates with the resin; (c) eluting the red colorant from the resin with an eluting solution containing one or more alcohol such as methanol, ethanol and isopropanol and one or more acid such as hydrochloric acid, citric acid, acetic acid, tartaric acid and hydroxy citric acid to yield a red-colored eluate; (d) collecting and concentrating the eluate to provide a concentrate; and (e) adding an antioxidant agent and/or placing the concentrate in an aseptic container in a non-oxidizing atmosphere. A combination comprising the resulting stabilized Garcinia extract in aseptic packaging in a non-oxidizing atmosphere is also disclosed, along with methods of use.

Abstract: The present invention is directed to pigment formulations comprising at least one metal complex of an azo compound which in the form of its tautomeric structures generally conforms to the formula (I) The invention is further directed to processes for their production of the metal complexes and their use and particularly to color filters and the use of the color filters.

Abstract: A pigment dispersion composition which can be suitably applied in such fields as color filters, black matrices and ink jet recording where it is necessary to finely disperse pigments still with retention of good dispersion stability and temporal stability even when the total amount a pigment derivative, pigment intermediate, colorant derivative and colorant intermediate, and/or a pigment dispersant is small. Another object is a pigment dispersion-based resist composition which can give color filters high in permeability, excellent in contrast and causing no bleeding or black matrices high in light-shielding and insulating properties, and causing no bleeding.

Abstract: Ready-to-use water dispersible pigment compositions containing water-insoluble, hydrophilic pigments are provided. The compositions comprise a stable dispersion of the pigment such as a porphyrin pigment, carmine, curcumin and a caratenoid in the form of bodies of an average size which is at the most 10 ?m is provided. The pigment bodies are dispersed without he use of a surface active substance in an aqueous phase comprising a hydrocolloid. The natural pigment compositions which are useful for coloring of food products and pharmaceuticals do not migrate in the products and they are acid stable. The compositions are useful in coating compositions for tables and dragees.

Abstract: Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt.

Abstract: The process for producing highly concentrated nanometer-size fine particles of an organic pigment, which comprises dissolving the organic pigment in an amide solvent, especially an organic solvent comprising at least 50 vol % 1-methyl-2-pyrrodinone, and pouring the resultant organic pigment solution with stirring into a poor solvent which is not compatible with the organic pigment. The pigment may be a quinacridone pigment, phthalocyanine pigment etc. Any atmospheric pressure to a sub-critical and/or supercritical state can be employed as the production conditions.

Abstract: A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in the course of the laminar flow.

Abstract: A pigment preparation comprising a) at least one diketopyrrolopyrrole pigment of the formula (V) as a base pigment and b) at least one pigment dispersing agent based on sulphonated diketopyrrolopyrrole derivatives and the use thereof for the undistorted coloration of plastics

Abstract: The invention relates to a process for aftertreating organic pigments which comprises heating the unground or ground organic crude pigment in water and/or organic solvents by means of microwave irradiation, under pressure if desired, so that the mass temperature of the mixture reaches 30 to 250° C.

Abstract: A pigment dispersing agent wherein a quinophthalone structure is bonded to a triazine structure through an arylene group or a heteroaromatic ring and a basic functional group is bonded to triazine ring through a connecting group which pigment dispersing agent improves an ink or a coating in fluidity and is effective for preparing a product having a low viscosity and low thixotropic properties and having excellent properties such as tinting strength, transparency and viscosity stability with the passage of time, and a pigment composition and a pigment dispersion containing the same.

Abstract: Rylene derivatives of the general formula I where the variables have the following meanings: R is hydrogen or substituted or unsubstituted C1–C30-alkyl, aryl or hetaryl; R1 is hydrogen or bromine; R2 is hydrogen or C1–C6-alkyl; R3 is hydrogen, C1–C18-alkyl or substituted or unsubstituted aryl or hetaryl; and n is 2 or 3.

Abstract: The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene glycol ether having an average molar mass of between 250 and 1000 g/mol, c) standard dispersing agents for producing aqueous pigment dispersions, d) water, and e) optionally other standard additives.

Abstract: Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as chroma, gloss, density, light fastness and abrasion fastness, and also as hydrophilic colorants capable of affording inks excellent in physical properties such as long-term storability and press stability are described.