Abstract: The present invention is directed to a new 2,9-dichloroquinacridone in platelet form, a process for its preparation and its use for coloring high molecular weight organic material. The 2,9-dichloroquinacridone in platelet form has a length of 1 to 45 ?m, a width of 0.1 to 20 ?m and an average thickness of 0.01 to 5 ?m and is characterized in that the hue-value h in remission is ?31 and/or the lightness L* in transmission is ?20 and/or a decreasing b* value and an increasing a* value from an illuminating and viewing angle (aspecular angle) 45°/110° (+25°) to 45°/90° (+45°).

Abstract: The invention relates to a composition comprising from 92 to 97% by weight pigment and from 3 to 8% by weight binder, in each case based on the composition, wherein the binder is a mixture comprising: from 5 to 60% by weight, based on the binder, of modified cellulose wherein, on average, per glucose unit, from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, from 0.25 to 0.6 hydroxyl hydrogen atoms are replaced by R2, or from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, and from 0 to 0.

Abstract: The present invention is directed to a new 2,9-dichloroquinacridone in platelet form, a process for its preparation and its use for coloring high molecular weight organic material. The 2,9-dichloroquinacridone in platelet form has a length of 1 to 45 ?m, a width of 0.1 to 20 ?m and an average thickness of 0.01 to 5 ?m and is characterized in that the hue-value h in remission is ?31 and/or the lightness L* in transmission is ?20 and/or a decreasing b* value and an increasing a* value from an illuminating and viewing angle (aspecular angle) 45°/110° (+25°) to 45°/90° (+45°).

Abstract: The present invention relates to a method of producing a granular formulation of colorants soluble in plastics, which method comprises suspending in water a filter cake obtained from preparation of the colorant, adding thereto from 0.1 to 5.0% by weight, calculated with respect to the weight of colorant, of a polyvinylpyrrolidone and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the granular formulations obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.

Abstract: The present invention relates to a method of producing a granular formulation of colorants soluble in plastics, which method comprises suspending in water a filter cake obtained from preparation of the colorant, adding thereto from 0.1 to 5.0% by weight, calculated with respect to the weight of colorant, of a polyvinylpyrrolidone and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the granular formulations obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.

Abstract: The present invention relates to a method of producing a low-dust pigment composition, which comprises suspending a filter cake obtained from preparation of the pigment, or a solid pigment, in water, adding thereto from 0.1 to 6.0% by weight, based On the weight of the pigment composition, of an amphoteric surfactant and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the pigment composition obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.

Abstract: The invention relates to a composition comprising from 92 to 97% by weight pigment and from 3 to 8% by weight binder, in each case based on the composition, wherein the binder is a mixture comprising: from 5 to 60% by weight, based on the binder, of modified cellulose wherein, on average, per glucose unit, from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, from 0.25 to 0.6 hydroxyl hydrogen atoms are replaced by R2, or from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, and from 0 to 0.

Abstract: The present invention relates to a method of producing a low-dust pigment composition, which comprises suspending a filter cake obtained from preparation of the pigment, or a solid pigment, in water, adding thereto from 0.1 to 6.0% by weight, based On the weight of the pigment composition, of an amphoteric surfactant and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the pigment composition obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.

Abstract: The present invention relates to a method of producing a granular formulation of colorants soluble in plastics, which method comprises suspending in water a filter cake obtained from preparation of the colorant, adding thereto from 0.1 to 5.0% by weight, calculated with respect to the weight of colorant, of a polyvinylpyrrolidone or of a sodium lauryl sulfate and, where appropriate, further adjuvants, and then drying the aqueous suspension to form granules, to the granular formulations obtainable according to that method, and to the use thereof in the production of colored plastics or colored polymeric particles.

Abstract: The invention relates to the compacted granular products of a mixture of (A) at least one water-soluble dye, (B) at least one extender, and (C) at least one compound of formula:  wherein R is a saturated or unsaturated aliphatic residue with 12 to 22 carbon atoms, R1, R2, R3 and R4 independently of one another are each hydrogen or a residue of formula—(OCH2CH2)nH in which n is a number from 20 to 100, and B and B1 independently of one another are each C1-C4alkylene, and optionally (D) a dust-binding oil and/or (E) further additives, their production and their use.

Abstract: The present invention is drawn to pigment granules having a particle size from 0.5 to 4 mm, which consist of at least 90% by weight of at least one organic pigment selected from the group consisting of diketopyrrolopyrrole, quinacridone, perylene, indanthrone, flavanthrone, isoindolinone or amino- anthraquinone pigments and from 0 to 10% by weight of a binder having from 2 to 7 mol of carboxyl groups per 1000 g and from 0 to 5% by weight of a neutral emulsifier. The binder and the emulsifier together do not represent more than 10% by weight of the oveerall amount of pigment granules. The pigment present in the pigment granules has a particle size of from 0.01 to &mgr;m.

Abstract: The invention relates to the compacted granular products of a mixture of

Abstract: The invention relates to a process for preparing organic pigment granules with a particle size from 0.5 to 4 mm, which consist of at least 90% by weight of at least one organic pigment with a particle size from 0.

Abstract: The invention relates to a process for preparing organic pigment granules with a particular particle size wherein an organic pigment with a particle size of 0.01 to 10 &mgr;m is mixed with water, a C1-C4alcohol, a C3-C8ketone or a mixture thereof, a binder and ammonia or a C1-C3amine and an emulsifier. This mixture is pressed in a continuously operating apparatus through one or more apertures each having a size of 0.2-5.0 mm2, the apparatus consisting of at least one conveying device and a shaping section comprising the apertures, and being constructed, and operated with a throughput, such that the pressure in its shaping section does not exceed 10 bar. The granulated product is then dried at a temperature of −50 to 200° C. at atmospheric pressure or under reduced pressure. The invention also relates to pigment granules prepared by the process of the invention, with a particle size of 0.5 to 4 mm, wherein the pigment present essentially has a particle size from 0.01 to 10&mgr;m.

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: There are disclosed solid dye formulations which comprise at least one anionic wool dye and optional additional components as well as a mixture of an anionic dispersant and an amphoteric surfactant. Such formulations are distinguished in particular by improved solubility in water.

Abstract: A process for the preparation of floating granules ("speckles") by spray drying a solution that contains one or more active substances, a carrier material and a foaming agent, and subsequently compacting the dried material so obtained.

Abstract: The invention relates to solid formulations of metal complex dyes, which formulations are obtained by dissolving or suspending at least one metal complex dye in water with the addition of an anionic dispersant or mixture of dispersants, and 1 to 20% by weight, based on the final formulation, of a non-ionic ethylene oxide adduct having a molecular weight of 200 to 5000, and optionally further ingredients, subsequently mixing the components and spray drying the solution or suspension.Such formulations are readily wettable and have a cold water dispersibility of .gtoreq.30 g/l.

Abstract: The invention relates to dyestuff granulates which comprise at least one water-insoluble dye, an anionic dispersant and optionally other auxiliaries, which granulates contain as essential component at least one amphoteric surfactant. Such granulates have, inter alia, excellent cold water dispersibility and good wettability. They are used for preparing dyebaths, padding liquors or printing pastes for dyeing and printing textile material.

Abstract: The solid dye preparations contain(a) 30-90 percent by weight of a water-soluble dye,(b) 1-25 percent by weight of an aliphatic aminocarboxylic acid or a salt thereof, and(c) 0-50 percent by weight of further additives.There is preferably at least 2% of anionic dispersing agent in the preparations.The preparations are particularly suitable for dyeing textile material made from cotton, polyacrylonitrile, wool or synthetic polyamide.