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| Number | Title | Issue Date |
| 7794536 | 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 t... | 09/14/2010 |
| 7427322 | Organic pigment fine-particle, and method of producing the same 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... | 09/23/2008 |
| 7404854 | Method for pigmenting semi-crystalline plastics with phthalocyanine pigments in a non-warping manner A process for warpage-free pigmentation of a plastic pigmented by a phthalocyanine pigment which was heated to not less than 80° C. as a suspension in a organic solvent in the presence of a carboxylic acid containing 2, 3 or 4 carboxyl groups or a salt of such a ca... | 07/29/2008 |
| 7399354 | Method for the production of pigment granules 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. ... | 07/15/2008 |
| 7387670 | Pigment preparations based on phthalocyanine pigments A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n i... | 06/17/2008 |
| 7387669 | Luster pigments having a pronounced glittering effect Luster pigments having pronounced sparkle which are based on aluminum platelets which have been coated with iron oxide and have in the precoated state an average platelet size from 8 to 30 μm, an average platelet thickness from 300 to 600 nm and an aspect ratio fro... | 06/17/2008 |
| 7349155 | Screen having a layer of reflectors A reflector comprises a core and a first dielectric mirror formed over at least a portion of the core to reflect light having a preselected wavelength. The reflector may comprise a plurality of dielectric mirrors formed concentrically over the first dielectric mirro... | 03/25/2008 |
| 7347894 | Pigment dispersants and their use 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 fabric... | 03/25/2008 |
| 7329315 | Copper phthalocyanine blue pigment composition and water borne dispersion thereof Phthalocyanine blue pigments and pigment dispersions for water-borne inks and coatings are described. The pigments are produced by dry milling phthalocyanine blue and a polymeric dispersant, optionally with inorganic fillers and other additives, to obtain a material... | 02/12/2008 |
| 7323046 | Phthalocyanine pigments with neutral metallic down flop Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 μm, the average particle size of no more than about 0.5 μm, a D99 of no more than about 0.3 μm, and a polydispersity of about 2.0 or ... | 01/29/2008 |
| 7318864 | Pigment preparations Pigment preparations including as essential constituents (A) from 60 to 90% by weight of at least one pigment, (B) from 10 to 40% by weight of at least one nonionic surface-active additive based on polyethers, and | 01/15/2008 |
| 7318863 | Azo pigment preparations for packaging gravure and flexographic printing The invention relates to an azo pigment preparation containing a) at least one azo pigment, b) a resin based on colophonium or modified colophonium with an acid value equal to or higher than 320 mg KOH/g, and c) an ammonium salt of a sulfonated diaryl yellow pigment... | 01/15/2008 |
| 7318860 | Green pigment preparations A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine... | 01/15/2008 |
| 7300511 | Low viscosity, highly pigmented oil based dispersions exhibiting a low relative interfacial tension drop 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. ... | 11/27/2007 |
| 7300512 | Method of making pigment dispersion containing a carrier such as castor oil or vegetable wax A process of dispersing at least one pigment into a carrier such as castor oil or a vegetable wax such as palm oil glyceride wax. The resulting dispersion exhibits excellent color development and is fluid at room temperature. Suitable pigments include FD&C, D&C and ... | 11/27/2007 |
| 7285320 | Preparation of images on a substrate surface utilizing an opaque coating composition that becomes transparent upon printing The present invention features processes and compositions for producing a metallic-looking image on a substrate having a reflective or luminescent surface. The process utilizes an opaque coating composition containing an opaque coating agent comprising a mixture of ... | 10/23/2007 |
| 7264916 | Laser marking method A method of colouring a polymeric material containing a) a latent acid, b) a color former and c) optionally further ingredients by irradiation with UV-light. ... | 09/04/2007 |
| 7255733 | Process for the production of β type copper phthalocyanine pigment and a use thereof A process for the production of a β type copper phthalocyanine pigment, comprising dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 μm at a temperature of 180 to 50° C., to prepare an α/β mixed... | 08/14/2007 |
| 7255734 | Phthalocyanine pigment preparations A copper phthalocyanine pigment preparation contains a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is charac... | 08/14/2007 |
| 7252710 | Pigment dispersion composition, use thereof and compound for pigment treatment 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 ... | 08/07/2007 |
| 7229488 | Ink composition, ink cartridge including the same, and inkjet image forming apparatus including the ink cartridge An ink composition includes a colorant, a solvent, and an amine alcohol compound represented by formula I in which n is an integer and 0≦n≦9. ... | 06/12/2007 |
| 7223302 | Methods of preparing aqueous colored pigment dispersions, and inkjet ink compositions The present invention describes methods for preparing aqueous colored pigment dispersions comprising the step of combining, in any order, a) a colored pigment, b) an azo coupler, c) an aromatic amine, d) a diazotizing agent, and e) an aqueous medium, wherein the aro... | 05/29/2007 |
| 7211609 | Warp-free pigment compositions comprising phthalocyanine pigments The invention provides a composition comprising particles of an optionally halogenated phthalocynine (a); from 0.5 to 10% weight, preferably from 2 to 8% by weight, based on the optionally halogenated phthalocyanine (a), or a vinylic or acrylic polymer (b); and from... | 05/01/2007 |
| 7210266 | Plant root pruning container A air root pruning container for plants includes a side wall made of a plurality of segments extending in layers above a base wall with each segment having a larger radius as measured from a central axis than the subjacent segment and with the segments being separat... | 05/01/2007 |
| 7208459 | Laundry detergent compositions with efficient hueing dye Laundry detergent compositions comprise (a) surfactant, and (b) a hueing dye, wherein the hueing dye exhibits a hueing efficiency of at least 10 and a wash removal value in the range of from about 30% to about 85%. ... | 04/24/2007 |
| 7198668 | Pigment granules Pigment granules having an average particle size from 50 to 5000 μm and a BET surface area ≦15 m2/g, including as essential constituents (A) from 60 to 90% by weight of at least one pigment and (B) fr... | 04/03/2007 |
| 7198667 | Solid pigment preparations containing pigment derivatives and surface-active additives 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. % of at least one pigment derivative of general formula I wherein the variables have the following meanings... | 04/03/2007 |
| 7189454 | Carbon coated high luster materials A platy pigment substrate having a carbon-containing coating thereon is provided wherein the coating comprises a pyrolyzed carbon-containing ionic species. The products of the present invention may be used in any application where pearlescent pigments have been used... | 03/13/2007 |
| 7189284 | Ink with bragg reflectors A colored ink composition comprises a carrier and one or more reflectors entrained in the carrier. Each reflector comprises a core and a first dielectric mirror formed over at least a portion of the core to reflect light having a selected color. ... | 03/13/2007 |
| 7175946 | Modified pigment products and black matrixes comprising same The present invention describes modified pigment products comprising a pigment having attached at least one photopolymerizable group and at least one ionic or ionizable group. Dispersions, black matrixes, and resin compositions comprising these modified pigment prod... | 02/13/2007 |
| 7173078 | Process for preparing modified pigments A process for preparing a modified pigment having attached at least one organic group is described. This process comprises the step of reacting a dried mixture comprising a pigment having attached at least one reactive group and a modifying agent. The dried mixture ... | 02/06/2007 |
| 7160380 | Organic pigment fine-particle, and method of producing the same 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 th... | 01/09/2007 |
| 7160374 | Flaky pigments coated with a coupling agent and a perfluoroalkyl phosphate A flaky pigment excellent in leafing properties and in adhesion between pigment particles and a coating (resin) was obtained by coating the surface of a flaky pigment with a coupling agent and a phosphate having a perfluoroalkly group or a silane compound. According... | 01/09/2007 |
| 7156912 | Colored composition A colored composition is disclosed that includes a pigment carrier, formed from a transparent resin, its precursor or a mixture thereof, and a halogenated phthalocyanine pigment that has been treated with a higher fatty acid. If required, this colored composition ma... | 01/02/2007 |
| 7147704 | Pigment dispersing agent, pigment composition and pigment dispersion 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 improv... | 12/12/2006 |
| 7148285 | Coated carbon black pellets and methods of making same A method of producing coated carbon black pellets is disclosed and includes contacting carbon black pellets with a coating agent to at least partially coat the individual carbon black pellets with the coating agent. The amount of coating agent applied to the carbon ... | 12/12/2006 |
| 7135067 | Water-based pigment dispersions, the production thereof and the use of the same 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,... | 11/14/2006 |
| 7122081 | Process for aqueous milling of quinacridone pigments The present invention is directed to an aqueous process for reducing particle size of organic pigments by milling the crude pigment in the presence of a water soluble styrene copolymer dispersant, optionally a defoamer, optionally an additive, and greater than about... | 10/17/2006 |
| 7077896 | Pigment composition and use thereof in plastic A pigment composition composed of 50 to 95% by weight of a phthalocyanine, 1 to 45% by weight of a halogenated phthalocyanine of which the number of substituents of a halogen atom is 1 to 9 and the average number of the substituents is 2.0 to 4.0 and 0.1 to 10% by w... | 07/18/2006 |
| 7077898 | Black pigment compositions The present invention relates to black pigment compositions comprising (a) carbon black, and (b) a compound of the formula (MO3S)m-Q(CH2)k—X]n, (I) ... | 07/18/2006 |
