Abstract: A process for mass coloring high molecular weight organic material by using a pyrimidopteridine of formula I and/or II ##STR1## or a mixture thereof, wherein A, B, C and D are each independently of one another --NH.sub.2, --OH, hydrogen, C.sub.1 -C.sub.4 -alkyl; phenyl, biphenyl or naphthyl which are unsubstituted or substituted by halogen, --OH, --NH.sub.2, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; --NHR.sub.1, --N(R.sub.1).sub.2 or ##STR2## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl; phenyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 -alkoxy, or --COXR.sub.2,X is a direct bond, --O-- or --NH--, andR.sub.2 is C.sub.1 -C.sub.4 alkyl; phenyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 -alkoxy, with the proviso that at least two of the radicals A, B, C and D are --NH.sub.2 or --OH.

Abstract: A colorless or only slightly colored pigment dispersing agent which is feasible as a pigment dispersing agent for pigments having various hues and has the general formula (1), ##STR1## wherein R.sub.1, R.sub.2, X.sub.1, Y.sub.1, Y.sub.2, k and h are as defined in claim 1.

Abstract: A pigment composition comprising pigment and an amido phthalocyanine compound having the general formula I:MPc--(CONR.sup.1 R.sup.2).sub.n Iwherein which Pc is a phthalocyanine ring which is optionally further substituted by up to an average of one chlorine or bromine atom or of a sulphonic acid; M is hydrogen or a metal such as Mg, Al, Ni, Fe, Zn, Pb, Sn or Cu: n is a number ranging from 0.1 to 4.0; R.sup.1 and R.sup.2 are independently selected from hydrogen, C.sub.1 -C.sub.20 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.7 -C.sub.12 aralkyl, C.sub.6 -C.sub.10 aryl, C.sub.4 -C.sub.6 alkyl amino alkyl, C.sub.2 -C.sub.20 aliphatic amine, C.sub.2 -C.sub.20 aliphatic amine acid salt, C.sub.2 -C.sub.20 alcohol, polyoxyalkylene, polyoxyalkylene amine.

Abstract: Colored pearlescent pigment comprising a pearlescent pigment and a second pigment, characterized in using an adhesion promotor for the mutual adsorbance of the pearlescent pigment and the second pigment, whereby the adhesion promotor is a polymer containing hydroxy groups, a process for its preparation, its use and a colored high molecular weight material.

Abstract: An intaglio ink for printing illustrations comprises C.I. Pigment Yellow 139 and further, preferably chlorine-free organic yellow pigments and has good rheological and coloristic properties which are comparable with those of conventional intaglio printing inks based on C.I. Pigment Yellow 12.

Abstract: A pigment-based ink composition is provided which employs a pigment precursor that is soluble in a non-aqueous solvent. Preferably, the ink composition is in the form of an aqueous, two-phase system wherein the pigment precursor is solubilized in a high boiling, water-insoluble organic compound. Optionally, a second high boiling compound miscible with both aqueous and organic phases and at least one amphiphile are also present.

Abstract: This invention provides a process for forming an acetoacetarylide-based pigment, comprising: (a) reacting a diketene with an amine to form an acetoacetarylide slurry; (b) separating the acetoacetarylide as a solid from the acetoacetarylide slurry; (c) adding the acetoacetarylide solid to a homogenizer; (d) homogenizing the acetoacetarylide in the presence of water and one or more additives to form an acetoacetarylide slurry; (e) pumping the acetoacetarylide slurry to a reaction tank; (f) adding an alkali or alkaline metal base to the slurry; (g) adding an acid to form a precipitate of the acetoacetarylide; and (h) reacting the precipitate with an azo compound, thereby forming a pigment. This invention also includes the pigments and intermediates thereto formed by the above processes.

Abstract: Effective anti-corrosive pigments are obtained using basic or neutral to basic polyvalent metal organophosphonates. The anti-corrosive organophosphonate pigments may optionally contain a co-acidic substance such as silica. The organophosphonate pigments provide ant-corrosive protection comparable to traditional pigments while enabling the avoidance of heavy metals.

Abstract: An agglomerated pigment comprises (1) an organic pigment compound, (2) either a sulfonated organic pigment compound obtained by incorporating at least one sulfonic group into the organic pigment compound or a sulfonated organic pigment derivative obtained by incorporating at least one sulfonic group into a derivative of the organic pigment compound, (3) univalent inorganic counter ions bonded to sulfonic groups of component (2), and (4) bivalent or higher inorganic counter ions which are bonded to sulfonic groups of component (2) and wherein each such group has an at least univalent positive charge, the surface of the agglomerated organic pigment as a whole being positively charged. An aqueous pigment dispersion and a water-based ink composition both having excellent storage stability, an agglomerated pigment for use as a raw material for the dispersion, and a process for producing the pigment are provided.

Abstract: Solid-state fluorescent composition comprising at least one host chromophore selected from the group consisting of a benzo[4,5] imidazo[2,1-a]isoindol-11-ones and an effective amount of at least one guest chromophore, and if desired a polymer C, wherein the emission spectrum of the host chromophore overlaps with the absorption spectrum of the guest chromophore, and wherein (a1) the host chromophore is covalently linked to a polymer backbone A ("host polymer"), and/or (a2) the guest chromophore is covalently linked to a polymer backbone B ("guest polymer").

Abstract: Substance compositions, which comprise at least one diketopyrrolopyrrole from each of formulae ##STR1## R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio, halogen or phenyl,R.sub.2 is a COX group, whereinX is NR.sub.4 R.sub.5 or a heterocyclic radical containing at least 2 N atoms, one of which N atoms forms an amide with the carbonyl group,R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.6 alkyl,Admixture of such a substance composition to diketopyrrolopyrrole pigments improves the rheological behaviour of the latter as well as the gloss of the colorations produced therewith to an unexpected degree.

Abstract: This invention relates to pigment derivatives having the formula ##STR1## wherein Q represents an organic pigment moiety;X is -SO.sub.2 - or -CO-;Alk is C.sub.2 -C.sub.8 alkylene or substituted C.sub.2 -C.sub.8 alkylene;m is an integer of from 1 to 4;n and p are independently integers of from 2 to 6.This invention further relates to the treatment of organic pigments with such pigment derivatives and the use of such treated pigments in coating compositions.

Abstract: A stir-in pigment composition for coloring high-molecular-weight material, particularly coatings and ink systems, comprises 85 to 99.5 parts by weight of a pigment and 0.5 to 15 parts by weight of an additive comprising a vinylpyrrolidone polymer or copolymer. The stir-in pigment composition is in the form of microgranules and is obtainable by spray drying a high solids content aqueous pigment dispersion containing the pigment and the additive. The new pigment composition powders are easily handled, easily wetted and disperse rapidly to form homogeneous aqueous pigment dispersions which are practically free of larger pigment aggregates and can readily be incorporated into aqueous ink and paint systems as stir-in pigments without a dispersion step in a bead mill.

Abstract: The present invention provide a pigment composition and a method for producing same at low cost, which has the same or more excellent quality compared with those produced by a salt milling process which has been commonly used. The pigment composition is produced by dry-milling a pigment in the presence of a surfactant and a water-soluble resin, said surfactant and said water-soluble resin being contained in amounts of 1 to 20% by weight and 2 to 50% by weight respectively based on an amount of the pigment. The pigment composition according to the present invention is readily dispersed into an aqueous system to obtain an aqueous pigment dispersion.

Abstract: Ternary solid solutions useful as pigments are disclosed. The ternary solid solutions result from incorporating a third component, which is a diketopyrrolopyrrole or quinacridone pigment, into the crystal lattice of the mixed crystal formed from equimolar amounts of two different diketopyrrolopyrrole pigments.

Abstract: The present invention provides an aqueous pigment dispersion composition for electro-deposition color coating of an aluminum or aluminum alloy oxide film, the composition comprising an organic white pigment as an essential component thereof. The organic white pigment comprises large-diameter particles which are insoluble in a water-soluble organic liquid and/or water and exhibit a non-skinning property and a sufficient concealing power on an aluminum or aluminum alloy oxide film. More specifically, the organic white pigment particles preferably have an average particle diameters of at least 0.3 .mu.m and a reflective index of at least 1.4. The use of the aqueous pigment dispersion composition for electro-deposition coating ensures formation of a less lustrous, less transparent and highly weather-resistant coating film for coloration of an aluminum or aluminum alloy oxide film.

Abstract: This invention relates to a process for preparing perylene pigment compositions by reaction of(a) a perylene tetracarboxylic compound;(b) about 0.01 to about 20% by weight, relative to the perylene tetracarboxylic compound, of a non-pigmentary cyclic anhydride or imide of formula (I) ##STR1## wherein W is O or NR.sup.1 (where R.sup.1 is hydrogen, a metal, or optionally substituted alkyl, cycloalkyl, aralkyl, or aryl), R.sup.2, R.sup.3, and R.sup.4 are various combinations of substituents and/or fused-on rings, and the dotted line is an optional double bond representing R.sup.2 --C.dbd.C--R.sup.3 or R.sup.3 --C.dbd.C--R.sup.4 ; and(c) ammonia or a primary alkyl, aralkyl, or aryl amine;optionally in the presence of(d) a solvent and/or(e) one or more dispersants.

Abstract: This invention relates to a process for conditioning organic pigments by(a) grinding a crude organic pigment at a temperature of about 0.degree. C. to about 100.degree. C. in the presence of (i) about 1 to about 10 parts by weight, relative to the organic pigment, of an inorganic salt and (ii) about 1 to about 5 parts by weight, relative to the organic pigment, of a liquid in which the organic pigment and salt are substantially insoluble, to form a pigment paste;(b) grinding the pigment paste at a temperature of about 0.degree. C. to about 100.degree. C. in the presence of about 0.05 to about 1 parts by weight, relative to the organic pigment, of a C.sub.8 -C.sub.10 alkanoic acid to form a treated pigment paste;(c) stirring the treated pigment paste with water or water containing an acid and/or an organic liquid to complete the conditioning of the organic pigment; and(d) isolating the conditioned organic pigment.

Abstract: This invention relates to a black-pigmented high molecular weight organic material which is structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material consists of coloured organic pigments, at least one of which is in latent form before irradiation. This material is preferably used as a thin layer which is built up in the form of patterns on a transparent substrate and which can be used, for example, as black matrix for optical colour filters. This invention also relates to a process for the preparation of this material as well as to novel soluble derivatives of yellow disazo condensation pigments which can be used in this process.

Abstract: Pigment powder mixtures, consisting of0.999-0.5 part of C.I. Pigment Yellow 184, and0.001-0.5 part of an organic pigment selected from the group consisting of C.I. Pigment Orange 13, C.I. Pigment Orange 34, C.I. Pigment Orange 36, C.I. Pigment Orange 73, C.I. Pigment Red 170, C.I. Pigment Red 254, C.I. Pigment Red 255 and C.I. Pigment Red 264,or of0.99-0.5 part of C.I. Pigment Yellow 184, and0.01-0.5 part of an organic pigment selected from the group consisting of C.I. Pigment Yellow 83, C.I. Pigment Yellow 110 and C.I. Pigment Yellow 139.These pigment powder mixtures are distinguished, in particular in paints, by very high chroma.

Abstract: This invention relates to a process for preparing pigment compositions by(a) treating an organic pigment with(1) a sterically hindered and/or bulky primary amine, and(2) a liquid in which the organic pigment is insoluble, and(b) blending the resultant surface-treated pigment composition from step (a) with a pigment derivative of formula (I) ##STR1## wherein Q represents an organic pigment moiety,X is O, S, NR.sup.1, --SO.sub.2 --, --CO--, --Alk--, --Ar--, or combinations thereof,Y is --OR.sup.2, --NR.sup.3 R.sup.4, or Het,Alk is C.sub.1 -C.sub.5 alkylene, C.sub.2 -C.sub.5 alkenylene, or C.sub.4 -C.sub.5 alkadienylene, or substituted derivatives thereof,Ar is arylene,R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.7 -C.sub.16 aralkyl, or C.sub.6 -C.sub.10 aryl,Het is a heterocycle, andn is 1 to 4.

Abstract: The invention relates to a process for granulating a free-flowing pulverulent organic pigment, which comprises treating the pigment at a temperature from 15 to 120.degree. C. with from 7 to 200% by weight, based on the dry weight of the pigment, of at least one gaseous inert substance which contains oxygen in its molecule, is liquid at 20.degree. C./1 bar and has a boiling point of not more than 150.degree. C.

Abstract: Novel pigment formulations which comprise at least one organic pigment selected from the class consisting of perylene, perinone, quinacridone, azo, benzimidazolone, anthraquinone or anthanthrone pigments and at least one pigment-dispersing agent of the formula (I) ##STR1## have improved rheological and coloristic properties, in particular in aqueous and nonaqueous coating systems.

Abstract: Colored aluminum pigments having a color pigment adhered closely, uniformly and firmly thereto through inorganic acid radical adsorbed on the surface of the aluminum pigment are suitable for use in paints, inks and molded resins. Color fading, poor chroma and processing complications commonly encountered with conventional aluminum pigments are avoided.

Abstract: This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200.degree. C., with(1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) ##STR1## wherein R.sup.1 is a C.sub.8 -C.sub.30 aliphatic group optionally having one or more carbon atoms in the main chain replaced with --O--, --S--, --CONH--, --NHCO--, --CH.dbd.CH--, C.sub.5 -C.sub.7 cycloalkylene, phenylene, or --OSi(C.sub.1 -C.sub.4 alkyl).sub.2 -,R.sup.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, or C.sub.1 -C.sub.6 hydroxyalkyl,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 alkyl, or C.sub.1 -C.sub.6 hydroxyalkyl, or R.sup.2 and R.sup.3 together are C.sub.4 -C.sub.7 alkylene, andX is a direct bond, or X and R.sup.2 form a five- to seven-membered heterocyclic ring (and R.sup.3 can form a double bond in X), or X, R.sup.2, and R.sup.

Abstract: This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200.degree. C., with(1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) and/or formula (II) ##STR1## and/or ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, X, Y, Z, and Z' are defined herein; and (2) about 1 to about 100 parts by weight, per part by weight of the organic pigment, of a liquid in which the organic pigment is substantially insoluble.

Abstract: A diketopyrrolopyrrole of formula ##STR1## in its .beta.-modification. The novel .beta.-modification is also suitable as pigment for coloring high molecular weight organic materials. In comparison to the .alpha.-modification, it has a shade shifting towards blueish red, enhanced color strength and chroma as well as an enhanced resistance to heat.

Abstract: The present invention relates to colorant blends comprising (a) an azo component, which is a salt of a salt-forming azo pigment of the formulaA--N.dbd.N--B,wherein A is the residue of a diazo component and B is the residue of a coupling component; and (b) a second component, which is an opaque 1,4-diketo-3,6-diaryl-pyrrolo?3,4-c!pyrrole pigment. The colorant blends are especially useful in coating compositions, such as paints.

Abstract: The present invention relates to a process for preparing a pigment composition whereby a mixture of an organic pigment and an inorganic filler is subjected to an air jet milling step. The inventive process is an environmentally friendly process which yields pigments having outstanding dispersibility and wetting characteristics when incorporated in plastics, aqueous or solvent based coatings and inks.

Abstract: A surface-modified colored pigment is disclosed which includes a colored pigment having no primary amines and at least one attached hydrophilic organic group, wherein said organic group comprises a) at least one aromatic group, and b) at least one ionic group or ionizable group, or a mixture of an ionic group or an ionizable group. The colored pigment may be blue, brown, cyan, green, violet, magenta, red, orange, yellow, mixtures thereof and the like. The surface-modified colored pigment, due to the hydrophilic groups on its surface, is readily dispersed in a liquid vehicle without the addition of a surfactant or other dispersing aid or additive. The surface-modified color pigment may be used in a variety of aqueous systems including, but not limited to, coatings, paints, papers, adhesives, latexes, inks, toners, textiles and fibers. In addition, an aqueous composition is disclosed including water-based liquid vehicle and the surface-modified colored pigment described above.

Abstract: Pigment compositions comprising a pigment and both a phthalimidomethylquinacridone and a pyrazolylmethylquinacridone as additives are disclosed. The disclosed pigment compositions are useful for coloring coating compositions. Coating composition colored with the inventive pigment compositions have excellent rheological characteristics and which yield coatings having excellent saturation.

Abstract: A disazo pigment composition, capable of being used to form inks or coatings having both high flow ability and high viscosity, containing (a) a disazo pigment, (b) an asymmetrical disazo compound having a water-soluble group and (c) an asymmetrical disazo compound, which has a substituent group possessing a hydrogen-bonding property.

Abstract: Process for the preparation of pigment preparations, which comprises wet milling the crude pigments which are present in coarsely crystalline state, or prepigments or pigments which are present in a form in which they are difficult to disperse, in a concentration of from 20 to 60% by weight based on the total weight of the pigment preparation, in a flocculation-stable liquid medium and in a stirred ball mill which is operated with a peripheral stirrer speed of more than 12 m/s, under the action of nonmetallic grinding media with a diameter of less than or equal to 1.0 mm, until the desired degree of fine division is reached, and then isolating the pigment preparation.

Abstract: A coated pigment highly surface-modified with a substantially water-insoluble organic surface modifier, produced by preparing a mixture of water and a substantially water-insoluble organic surface modifier, pressurizing the mixture, introducing the mixture into a flow path having a diameter-decreased portion and a turning portion to cause a shear force in the mixture of which the flow is accelerated while the mixture is passing the diameter-decreased portion, mutual collision of the mixture of which the flow has been accelerated or collision of the mixture of which the flow has been accelerated against a wall constituting the flow path, thereby obtaining an aqueous dispersion in which the substantially water-insoluble organic surface modifier is homogeneously dispersed in the water, mixing the aqueous dispersion with the pigment to coat the pigment with the substantially water-insoluble organic surface modifier, and isolating the pigment coated with the substantially-water-insoluble organic surface modifier.

Abstract: A composition used for an ingredient of printing ink, which comprises an organic pigment and a pigment derivative represented by the formula (I) in the acid form: ##STR1## wherein D represents a residue of an organic pigment other than azo, R.sub.1 represents a hydrogen atom or an unsaturated aliphatic, saturated aliphatic or aromatic hydrocarbon group having 1 to 20 carbon atoms, R.sub.2 represents an unsaturated aliphatic, saturated aliphatic or aromatic hydrocarbon group having 1 to 20 carbon atoms, m represents a number of from 0 to 3 and n represents a number of from 1 to 4, provided that m+n is from 1 to 5.

Abstract: A process for preparing quinacridone pigmentsA process for preparing pigments, mixed crystal pigments and pigment preparations based on linear unsubstituted or substituted quinacridones of the formula (I) ##STR1## in which the substituents R.sup.1 and R.sup.2 are identical or different and are hydrogen, chlorine, bromine or fluorine atoms or are C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or carboxamido groups which may be substituted by C.sub.1 -C.sub.6 -alkyl groups; or are phenoxy or C.sub.6 -C.sub.10 -aryl rings onto which further aromatic, aliphatic or heterocyclic rings can be fused, which process comprises hydrolyzing the reaction mixture resulting from cyclization of the respective dianilinoterephthalic acid with polyphosphoric acid or polyphosphate at a temperature of or above 110.degree. C.

Abstract: This invention relates to pigment compositions prepared by precipitating a blend of (a) about 60 to about 95 percent by weight of a perylene pigment having the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.7 -C.sub.16 aralkyl, or C.sub.6 -C.sub.10 aryl; and (b) about 5 to about 40 percent by weight of a polycyclic aromatic compound containg at least 5 aromatic rings wherein at least one ring is substituted with at least one keto group.

Abstract: Solid particle dispersions of compounds useful in imaging elements can be made with substantially improved stability to particle growth by dispersing the compound of interest in the presence of a relatively small amount of a second compound that is structurally similar to the compound of interest. This second compound is combined with the compound of interest prior to dispersing the compound of interest, i.e., prior to milling in the case of milled dispersions, and prior to precipitation in the case of pH or solvent precipitated dispersions. While being distinct, the second compound has a similar chemical structure to the main compound.

Abstract: Disclosed are compositions comprising one or more compounds characterized by the formula: ##STR1## wherein R and R.sub.1 are independently hydrogen, chloro, methyl or ethyl groups.A process for preparing azo pigment compositions is also disclosed.Paint, ink and plastic compositions containing the foregoing pigments compositions are disclosed.

Abstract: A pigment composition, comprisinga) 80-99.8 mol % of a diketopyrrolopyrrole of formula ##STR1## wherein A and B are each independently of the other a ##STR2## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, chloro, bromo, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.2 -C.sub.19 alkoxycarbonyl, C.sub.2 -C.sub.19 alkylcarbamoyl, C.sub.1 -C.sub.18 alkylmercapto, C.sub.1 -C.sub.18 alkylamino, C.sub.5 -C.sub.6 cycloalkyl, G is a direct bond or --O--, --S--, --SO--, --SO.sub.2 -- or --NR.sub.5 --, R.sub.3 and R.sub.4 are each independently of the other hydrogen, chloro, bromo, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.18 alkoxy or C.sub.1 -C.sub.18 alkylamino, and R.sub.5 is hydrogen or C.sub.1 -C.sub.6 alkyl, andb) 20-0.2 mol % of a diketopyrrolopyrrole of formula ##STR3## wherein one of R.sub.6 or R.sub.7 is hydrogen and the other is --CN. Such pigment compositions are distinguished by excellent resistance to recrystallisation and heat.

Abstract: The invention provides a pigment composition comprising a pigment having adsorbed on its surface, or as a physical mixture, up to 10% by weight, based on the total weight of pigment composition of a coding compound which is a compound containing an azo, azomethine or polycyclic chromophore and which has an absorption spectrum and a Raman spectrum different from that of the pigment. The compositions are suitable for use in printing inks for security applications.

Abstract: The instant invention relates to a process for the production of colored metallic pigments, as well as these colored metallic pigments themselves, their use to color high molecular weight organic material in the mass and compositions or masterbatches containing them.The colored metallic pigment consists essentially of multiple loose particles of 0.1-1000 .mu.m size each, said particles comprising a core of a transition metals, metalloid or alloy, preferably an aluminum flake, and a very fine, substantially continuous, uniform and homogeneous layer of organic pigment particles which is directly in contact with the metallic core. The core may be superficially oxidized.The colored metallic pigment is prepared by a vacuum deposition process, said process being performed in an apparatus constructed, modified or charged in such a way that the organic pigment gas flows toward the metallic core.

Abstract: This invention relates to pigment compositions comprising an organic pigment treated with about 0.1 to about 20% by weight, based on the organic pigment, of an N-heteroarylamidomethyl pigment derivative having the formula (I) ##STR1## wherein, Q represents an organic pigment moiety,NHet represents a nitrogen-containing heteroaromatic group attached at a ring nitrogen atom to the carbonyl function of the amidomethyl linking group, andn is from 1 to 4.

Abstract: The invention relates to mixed crystals of 1,4-diketopyrrolo?3,4-c!pyrroles, consisting of 1 mol each of two different compounds of formulae ##STR1## as well as single-phase solid solutions of two different compounds of formulae I and II, wherein the diketopyrrolopyrrole having the smaller geometrical constitution is present in an amount of 53 to 70 mol %. A and B are as defined in claim 1. The novel mixed crystals as well as the novel solid solutions are admirably suited for pigmenting organic material of high molecular weight.

Abstract: The present invention relates to a pigment composition comprising a diketopyrrolopyrrole pigment of formula (I) ##STR1## wherein A and B are as defined in claim 1, on the particle surface of which pigment an organometallic compound or a modified diketopyrrolopyrrole is adsorbed, and an aminoalkyl acrylate, and to the use of said composition for coloring organic material of high molecular weight.

Abstract: A pigment composition comprisingA) a 1,4-diketopyrrolo?3,4-c!pyrrole pigment of formula ##STR1## wherein A and B are each independently of the other a group of formula ##STR2## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, halogen or CN, andB) 0.1-20% by weight, based on the diketopyrrolopyrrole of formula I, of an acrylic resin obtainable by homopolymerisation of a monomer of formula ##STR3## wherein R.sub.3 is hydrogen or methyl and R.sub.4 and R.sub.5 are each independently of the other hydrogen, methyl or ethyl, and n is an integer from 1 to 6, or by copolymerisation of the same monomer with a monomer which is copolymerisable with said same monomer, wherein the homopolymerization or copolymerization is carded out in the absence of a nonionic active agentThese pigment compositions have excellent rheology and the colorations obtained with them have surprisisingly high gloss.

Abstract: Disclosed are compositions comprising one or more compounds characterized by the formula: ##STR1## wherein R and R.sub.1 are independently hydrogen, chloro, methyl or ethyl groups.A process for preparing azo pigment compositions is also disclosed.Paint, ink and plastic compositions containing the foregoing pigments compositions are disclosed.

Abstract: The disclosure describes pigment compositions containing an organic pigment and a transparent filler having a mean particle size less than 10 .mu.m and a narrow particle size distribution; as well as methods of preparing the pigment compositions. The pigment compositions are useful for pigmenting high-molecular-weight organic materials; especially coating compositions, curable ink systems, plastics, as well as for use in laser marking applications.

Abstract: Readily dispersible polycyclic pigments from the class of the quinacridones and dioxazines are prepared by using a fatty acid tauride of the formula (I)R.sup.1 --CO--NR.sup.2 --(CH.sub.2).sub.n --SO.sub.3.sup.- M.sup.+(I)in whichR.sup.1 is a straight-chain or branched alkyl group having from 10 to 24 carbon atoms andR.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.6 -alkyl group,M.sup.+ is a hydrogen ion, ammonium ion, alkali metal ion or alkaline earth metal ion and n is 1 or 2, or a mixture of at least two fatty acid taurides of the formula (I).

Abstract: (1) A mixed coupled azo pigment prepared from:(A) 30% to 70% of two or more diazonium components, at least one derived from a monoaryl amine and(B) an organic coupled component, said pigment containing one or more COOH or .?.SO H.!. .Iadd.SO.sub.3 H .Iaddend.groups or esters, amides, alkali metal or alkali earth metal salts thereof or(2) A mixed coupled azo pigment prepared from:(A) 5% to 95% of two or more bis, tris or tetrakis diazonium components, at least one derived from a monoaryl amine and meeting certain specific critria and(B) an organic coupling component, said pigment comprising the same acid or salt groups of pigment (1).