Class / Patent application number | Description | Number of patent applications / Date published |
106493000 | Organic pigment containing | 32 |
20090071373 | Method of producing organic particles - A method of producing organic particles, which contains dissolving an organic material into a good solvent to form a solution, and mixing the solution with a poor solvent for the organic material, in which the poor solvent is compatible with the good solvent, to form particles of the organic material in a liquid mixture, in which at least one selected from the group consisting of an anionic surfactant having 14 or more carbon atoms (dispersing agent A) and a specific compound having an azo group (dispersing agent B) is contained in the liquid mixture in which the organic particles are formed. | 03-19-2009 |
20100006009 | P.R. 254 Pigment Preparation for use in Color Filters - The invention provides a pigment preparation comprising
| 01-14-2010 |
20100043672 | METHOD OF FINISHING ORGANIC PIGMENTS - The invention relates to a method of finishing an organic pigment that involves dissolving or dispersing the pigment in an aqueous solvent or a mineral acid and crystallizing the pigment from the solution or dispersion in the presence of a crystallization modifier, and subsequently isolating the pigment as a solid, wherein the crystallization modifier is a condensation product containing sulfonate groups and formed from at least one hydroxyarylsulfonic acid and/or at least one hydroxydiaryl sulfone compound and at least one aliphatic aldehyde having 1-6 C atoms, optionally urea, and an alkali metal sulfite if appropriate, or is a mixture of such condensation products. | 02-25-2010 |
20100282129 | ORGANIC PIGMENT FINE PARTICLES AND METHOD OF PRODUCING THE SAME - According to the method of producing organic pigment fine particles of the present invention, when producing organic pigment fine particles by allowing two or more solutions at least one of which is an organic pigment solution in which an organic pigment is dissolved to flow through a microchannel, the organic pigment solution flows through the microchannel in a non-laminar state. Accordingly, the contact area of solutions per unit time can be increased and the length of diffusion mixing can be shortened, and thus instantaneous mixing of solutions becomes possible. As a result, nanometer-scale monodisperse organic pigment fine particles can be produced in a stable manner. | 11-11-2010 |
20110100261 | Dispersions containing Alkoxylates of alicyclic and polycyclic compounds - The present invention provides a dispersant for aqueous and non-aqueous systems which can disperse insoluble fine powders in aqueous and non-aqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions. The dispersant is a compound of the formula | 05-05-2011 |
20110232531 | Pigment Granulate, Method for Producing the Same and Use Thereof - The invention relates to a pigment granulate which contains 40 to 65% by weight of pigment and at least 10% by weight of a compound of general formula (I) CH | 09-29-2011 |
20110308430 | SELF-DISPERSED PIGMENTS AND METHODS FOR MAKING AND USING THE SAME - A method of modifying a pigment that includes reacting a reactive compound having an X-[Y] | 12-22-2011 |
20120118205 | SELF-DISPERSED PIGMENTS AND METHODS FOR MAKING AND USING THE SAME - A method of modifying a pigment that includes reacting a reactive compound having an X—[Y] | 05-17-2012 |
20140000488 | METHOD FOR PRODUCING AQUEOUS DISPERSION OF SURFACE-TREATED CARBON BLACK PARTICLES AND AQUEOUS DISPERSION OF SURFACE-TREATED CARBON BLACK PARTICLES | 01-02-2014 |
20140305341 | NATURAL CRYSTALLINE COLORANT AND PROCESS FOR PRODUCTION - A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices. | 10-16-2014 |
106494000 | Mixed pigments containing | 4 |
20110017099 | AZO PIGMENT COMPOSITION, PRODUCTION PROCESS OF AZO PIGMENT COMPOSITION, DISPERSION CONTAINING AZO PIGMENT COMPOSITION, COLORING COMPOSITION AND INK FOR INKJET RECORDING - To provide an azo pigment composition exhibiting very good hue and light fastness and having excellent tinctorial strength (color density) and preferably further provide an azo pigment composition containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof. | 01-27-2011 |
20110023753 | AZO PIGMENT COMPOSITION, PROCESS FOR PRODUCING AZO PIGMENT COMPOSITION, DISPERSION CONTAINING AZO PIGMENT COMPOSITION, COLORING COMPOSITION AND INK FOR INKJET RECORDING - To provide an azo pigment composition having extremely good hue and extremely good light fastness and showing excellent tinctorial strength (color density) and, preferably, to provide an azo pigment composition further containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof. | 02-03-2011 |
20150090159 | RED THERMOCHROMIC DYES AND THEIR INK COMPOSITIONS - A red leuco dye demonstrates unusually good thermal and photo stability. The red dye may be used with developers and wax carries for microencapsulation to form thermochromic pigments for use in inks, coatings and the like. This pigment is particularly desirable for use in metal-deco coatings, such as those used in aluminum cans in high beverage canning operations. | 04-02-2015 |
106495000 | Quinacridone pigment or derivative | 1 |
20110209643 | Novel Crystal Forms of Quinacridones Made from 2,9-Dimethoxyquinacridone and 2,9-Dichloroquinacridone - Novel crystal forms of solid solutions of 2,9-dimethyoxyquinacridone and 2,9-dichloroquinacridone. The crystal forms may be formed by a process comprising the steps of: a) heating a mixture of 2,5-di(4-methoxyanilino)terephthalic acid, and 2,5-di(4-chloroanilino)terephthalic acid in polyphorsphoric acid at a temperature less than 1050 C to form a mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone; b) combining the mixture of 2,9-dimethoxyquinacridone and 2,9-dichloro-quinacridone with water; and c) heating the mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone at a temperature not more than 110° C. Another crystal form may be formed by the process of heating a mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone in a polar aprotic solvent. These products are may be used for coloring fibers, plastics, paints, coatings, printing inks, color filters, cosmetics, automotive coatings, textiles, fibers, powder coatings, in-mold coatings, laminate films, and the like. | 09-01-2011 |
106496000 | Pigment containing -N=N- group | 7 |
20100050904 | PRODUCTION OF FINELY DIVIDED PIGMENTS - The invention relates to a methods finishing an organic pigment by dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the presence of a crystallization modifier constituted by a sulfonate-functional condensation product of a naphthalenesulfonic acid and at least one aliphatic aldehyde having 1 to 6 carbon atoms, and then isolating the pigment as a solid, wherein the crystallization modifier is present in the aqueous diluent. | 03-04-2010 |
20100258036 | AZO PIGMENT, AND PIGMENT DISPERSION, COLORING COMPOSITION AND INK COMPOSITION FOR INKJET RECORDING CONTAINING THE SAME - A monoazo pigment is represented by the general formula (1), a tautomer of the monoazopigment, and a salt or a hydrate thereof: | 10-14-2010 |
20110179974 | AZO PIGMENT, PROCESS FOR PRODUCING AZO PIGMENT, AND DISPERSION AND COLORING COMPOSITION CONTAINING AZO PIGMENT - An object of the invention is to provide an azo pigment having extremely good dispersibility and dispersion stability and having excellent hue and tinctorial strength and, preferably, having a long axis observed with a transmission microscope of from 0.01 μm to 30 μM. | 07-28-2011 |
20110271874 | Nanosized Particles of Benzimidazolone Pigments - 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 that is a substituted pyridine derivative; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles. | 11-10-2011 |
20110277668 | STERICALLY BULKY STABILIZERS - A sterically bulky stabilizer that is associated non-covalently with a benzimidazolone pigment. The sterically bulky stabilizer compound includes an aromatic acid derivative, and the presence of the sterically bulky stabilizer limits an extent of particle growth and aggregation, to afford nanoscale pigment particles. | 11-17-2011 |
20110303122 | STERICALLY BULKY STABILIZERS - A sterically bulky stabilizer that includes an alkylated-benzimidazolone compound, where the sterically bulky stabilizer is associated non-covalently with a benzimidazolone pigment, and the presence of the sterically bulky stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles. | 12-15-2011 |
20160008820 | MAGNETIC ACTUATED-MILLED PIGMENT DISPERSIONS AND PROCESS FOR MAKING THEREOF | 01-14-2016 |
106497000 | Quinacridone pigment or derivative | 4 |
20080295739 | Process for Preparing Alpha Quinacridone Pigments - A process for preparing alpha phase quinacridone pigment by ring-closing 2,5-dianilino-terephthalic acid in concentrated polyphosphoric acid, treatment with at least one glycol, followed by striking to water and conditioning the resulting washed pigment with alcohol in the presence of alkali. The resulting pigment is considerably opaque and yellow versus gamma quinacridone of large particle size. | 12-04-2008 |
20090020043 | METHOD FOR MANUFACTURING DISPERSION OF QUINOLINE DERIVATIVE - A method for manufacturing a dispersion of a quinoline derivative that is dispersed at a high concentration and has a small particle size. The method includes the steps of preparing a solution by dissolving an N-arylanthranilic acid derivative in an organosulfonic acid, heating the solution and obtaining a reaction liquid in which a quinoline derivative has been produced by a condensation ring-closing reaction, and obtaining a dispersion of the quinoline derivative by mixing the reaction liquid with an aqueous solution. The step of mixing the reaction liquid with an aqueous solution may be performed in a mixing field having a micro-channel. | 01-22-2009 |
20090101044 | METHOD FOR MANUFACTURING PIGMENT DISPERSION - A method is provided for pigment dispersion. The method includes preparing a solution in which the pigment is dissolved in an organic acid, preparing a reaction liquid capable of decreasing the solubility of the pigment in the solution, and mixing the solution and the reaction liquid in the presence of an additive represented by a General Formula (1) below, | 04-23-2009 |
20120260823 | NOVEL CRYSTAL FORMS OF QUINACRIDONES MADE FROM 2,9-DIMETHOXYQUINACRIDONE AND 2,9-DICHLOROQUINACRIDONE - Novel crystal forms of solid solutions of 2,9-dimethyoxyquinacridone and 2,9-dichloroquinacridone. The crystal forms may be formed by a process comprising the steps of: a) heating a mixture of 2,5-di(4-methoxyanilino)terephthalic acid, and 2,5-di(4-chloroanilino)terephthalic acid in polyphorsphoric acid at a temperature less than 1050 C to form a mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone; b) combining the mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone with water; and c) heating the mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone at a temperature not more than 110° C. Another crystal form may be formed by the process of heating a mixture of 2,9-dimethoxyquinacridone and 2,9-dichloroquinacridone in a polar aprotic solvent. These products are may be used for coloring fibers, plastics, paints, coatings, printing inks, color filters, cosmetics, automotive coatings, textiles, fibers, powder coatings, in-mold coatings, laminate films, and the like. | 10-18-2012 |
106498000 | Ring containing atom other than carbon | 7 |
20090241802 | HIGH-CHROMA C.I. PIGMENT RED 254 AND PROCESS FOR PRODUCING THE SAME - The present invention relates to C. I. Pigment Red 254 for coloring, which can color an object to be colored so as to have a higher chroma than that with conventional technology and a production method for easily producing it. | 10-01-2009 |
20100101456 | Method for Producing Transparent Pigment Violet 23 - The invention accordingly relates to a method for preparing transparent C.I. Pigment Violet 23 by salt kneading a Pigment Violet 23-crude in the presence of a crystalline salt and an organic liquid. Said method is characterized in that the organic liquid is propylene carbonate. | 04-29-2010 |
20110023754 | ISOMETRIC ISOINDOLINE YELLOW PIGMENT - Pigment of formula wherein R | 02-03-2011 |
20130000519 | Natural Crystalline Colorant and Process for Production - A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices. | 01-03-2013 |
20130074735 | PROCESS FOR THE PRODUCTION OF VIOLACEIN AND ITS DERIVATIVE DEOXYVIOLACEIN CONTAINING BIOACTIVE PIGMENT FROM CHROMOBACTERIUM SP. (MTCC5522) - The present invention discloses a process for producing purple-blue natural pigment containing violacein and its derivative (deoxyviolacein) using | 03-28-2013 |
20150299425 | Pigmented Wax Dispersion And Method For Preparing Same - A process for preparing a pigmented wax dispersion including (a) melting and mixing a dry pigment with at least one wax to form a pigment concentrate, wherein the pigment concentrate contains at least 25 percent by weight of pigment; (b) milling the pigment concentrate of step (a) to form a milled pigment concentrate; (c) combining the milled pigment concentrate of (b) with water and dispersing to form a pigmented wax dispersion comprising a plurality of pigmented wax particles comprising a pigment core surrounded by a wax shell, wherein the pigmented wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer. | 10-22-2015 |
20150299466 | PROCESS AND APPARATUS FOR PREPARING PIGMENT AND WAX DUAL DISPERSIONS - Disclosed herein are formulations and processes for the preparation of pigment and wax dual dispersions by (1) providing a solution comprising a water and at least one surfactant in a dispersion apparatus comprising a container, a rotor-stator homogenizer, and a piston homogenizer coupled via a recirculation device; (2) adding at least one pigment to the solution; (3) forming a pigment dispersion by flowing the at least one pigment and the solution to the rotor-stator homogenizer via the recirculation device; (4) adding at least one wax to the pigment dispersion; and (5) flowing the at least one wax and pigment dispersion to the piston homogenizer via the recirculation device until a pigment and wax dual dispersion is formed. Also disclosed herein are pigment and wax dual dispersions, as well as a dispersion apparatus for preparing pigment and wax dual dispersions. In certain embodiments, a dispersion apparatus for preparing a pigment and wax dual dispersion may comprise a container, a rotor-stator homogenizer, a piston homogenizer, and a recirculation device coupled to the container and the homogenizers that allows a dispersion to flow between the container and the homogenizers. | 10-22-2015 |