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| Number | Title | Issue Date |
| 7691196 | Effect pigments Disclosed are yellowing-stable, silver-white effect pigments having high whiteness based on synthetic mica flakes and to the use thereof in paints, lacquers, printing inks, plastics, button pastes, ceramic materials, glasses, for coloring seed, as dopant in laser ma... | 04/06/2010 |
| 7396587 | Black film comprised of thermoplastic polyester This invention relates to a single- or multilayer, oriented film formed from polyester and at least one inorganic black pigment. The inventive films include at least one layer which has, alongside polyester, an amount of from 0.5 to 75% by weight of particles incorp... | 07/08/2008 |
| 7365109 | Pigment preparation in granulate form The invention relates to pigment preparations in granulate form, containing one or more resins, one or more effect pigments and optionally, additives. The granulates are characterized in that they contain 3 to 10 wt. % water or a, solvent or solvent mixture with a v... | 04/29/2008 |
| 7335695 | Powder coating precursors and the use thereof in powder coating compositions A laminar pigment which has hydrolyzed silane coupling agent treated surface is used as a pigment for a powder coating composition. By combining the pigment with a powdery film-forming polymer, a film-forming composition, which can be applied by electrostatic coatin... | 02/26/2008 |
| 7318861 | Effect pigment An effect pigment is constituted by coated laminar platelets in which the platelets are a mixture of different platelet materials, one of which is platy glass or platy aluminum oxide, and in which the pigment exhibits visual homogeneity. ... | 01/15/2008 |
| 7312257 | Polymer encapsulation of high aspect ratio materials and methods of making same Embodiments of this invention comprise a pigment comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material. Embodiment... | 12/25/2007 |
| 7303622 | Lustrous black interference pigments The present invention relates to lustrous black interference pigments based on a substrate mixture, characterised in that it has (A) a coating of Fe3O4 (B) a colorless coating consisting of o... | 12/04/2007 |
| 7303619 | Composite pigment original, composite pigment, process for producing ink composition, and ink composition The present invention provides a composite pigment original having a structure comprising a resin layer and a pigment layer sequentially stacked on a sheet-shaped substrate surface, the pigment layer having a structure that at least a silicon oxide layer, a metal or... | 12/04/2007 |
| 7300510 | Goniochromatic bright pigments Goniochromatic luster pigments comprising at least one dielectric low-refractive interference-colored layer which includes a polar organic solvent which can interact with the layer material via functional groups. ... | 11/27/2007 |
| 7285328 | Particulate titanium dioxide coated product and method of forming titanium dioxide coated particles A composition of matter comprises particles each having a substrate being an oxide or other suitable compound of a metal other than titanium or of certain non-metal elements, and a coating on said substrate being a layer of titanium dioxide. A method of forming part... | 10/23/2007 |
| 7285182 | Composition for surface treatment of paper A composition for surface treatment of paper which includes a nanoparticle fraction, and a carrier fraction for detaining the nanoparticles in the surface layer. The carrier fraction includes plate-like pigment particles, and at least one binder. The invention also ... | 10/23/2007 |
| 7261770 | Compositions and methods comprising pigments and polyprotic dispersing agents In various embodiments, a pigment composition is provided comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and/or ester of: (i) an amine, alcohol, and/or alkanol amine and (ii) a polyprotic acid, wherein the mole ratio of the... | 08/28/2007 |
| 7255736 | Effect pigments based on thin SiO flakes Effect pigments having improved optical properties based on SiO2 flakes coated with one or more layers, where the SiO2 flakes have a thickness of from 50 nm to 150 nm; processes for the preparation thereof; and use of these pigments in cosmetic... | 08/14/2007 |
| 7241503 | Iridescent pigment having high brilliance and high chroma An iridescent multilayer pigment having at least two or more layers of metal oxides containing one or more metals selected from Ce, Sn, Ti, Fe, Zn and Zr which are coated onto the surface of thin platelet-like substrates. The inventive pigments show high brilliance ... | 07/10/2007 |
| 7232481 | Method to produce an anti-swelling mica A method to produce an anti-swelling mica having following steps: mixing powdery mica with an alkaline compound to form a mixture; heating the mixture at a temperature between 150° C.˜230° C. for lasting 30 minu... | 06/19/2007 |
| 7226503 | Effect pigments based on coated glass flakes The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in pl... | 06/05/2007 |
| 7226543 | Rare earth metal oxysulfide regenerative material and regenerator A rare earth metal oxysulfide represented by a general formula R2O2S (R denotes one kind or two or more kinds of rare earth elements to be selected from a group of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, as wells as Y) is for... | 06/05/2007 |
| 7169471 | Laser-marking additive The present invention relates to a laser marking additive, a precursor and method of laser-marking. The method can include exposing a substrate including a high luster bismuth oxychloride to a laser creating a laser-mark, with the proviso that the substrate is not a... | 01/30/2007 |
| 7169222 | Multilayer interference pigments Multilayer interference pigment consisting of a transparent carrier material coated with alternating layers of metal oxides of low and high refractive index, the difference in the refractive indices being at least 0.1, which is obtainable by alternate coating of the... | 01/30/2007 |
| 7169223 | Effect pigments having a strong color flop The present invention relates to effect pigments having a color flop comprising metal oxide-coated SiO2 flakes having a uniform layer thickness, where the color flop runs through all four quadrants of the a,b color coordinate system (CIELAB L,a,b system).... | 01/30/2007 |
| 7163999 | Resin particle and method for preparation thereof A method for preparing a resin particle having a large surface area and a shape factor (SF-1) of 110 to 800, which comprises a step of applying a shear force to an aqueous dispersion having a viscosity of 300 to 100,000 mPa·s formed by adding a thickener to an aque... | 01/16/2007 |
| 7156913 | Intensely colored red effect pigments The present invention relates to intensely colored red effect pigments comprising iron oxide-coated SiO2 flakes, where the total thickness of the effect pigments is not greater than 500 nm (+/−30 nm). The present invention likewise relates to processes ... | 01/02/2007 |
| 7118622 | Organic dyes suitable for use in drugs and cosmetics laked onto a platy titanium dioxide pigment An unsupported platy titanium dioxide pigment containing an organic dye laked thereon. The dyed TiO2 pigment is useful to color cosmetic, food, and drug formulations. ... | 10/10/2006 |
| 7077897 | Pigment for safety applications The invention relates to a multilayered interference pigment consisting of a transparent carrier material which is coated with alternating layers of colorless, non-absorbent metal oxides having a high and a low refractive index, the difference between the refractive... | 07/18/2006 |
| 7060126 | Multilayered luster pigments The invention relates to multilayered luster pigments based on metallic substrates, which are completely surrounded by a plurality of layers, where these layers comprise at least one layer pack (A) having a colorless dielectric layer of a material with a refractive ... | 06/13/2006 |
| 7049039 | Coloring agent for toner, and toner A coloring agent for use in toners which comprises coloring particles modified with a surface modifier having in one molecule a hydrophilic moiety, a hydrophobic moiety, and a reactive moiety between the hydrophilic moiety and the hydrophobic moiety. Also disclosed ... | 05/23/2006 |
| 7045007 | Effect pigment An effect pigment is constituted by coated laminar platelets in which the platelets are a mixture of different platelet materials, one of which is platy glass or platy aluminum oxide, and in which the pigment exhibits visual homogeneity. ... | 05/16/2006 |
| 7041381 | Transparent biaxially oriented polyolefin film The invention relates to a transparent, single or multi-layer oriented polyolefin film which consists of at least one layer containing a sheet silicate with an irregular surface structure and no metal oxide coating. ... | 05/09/2006 |
| 7022409 | Pleochroism powder and pleochroism printed article A multi color changing powder with a bluish base appearance color of which color tone varies according to the observation direction is provided. A pleochroism powder of the present invention comprises a flaky mica having a coating which consists of two layers wherei... | 04/04/2006 |
| 7019048 | Plastic part comprising lustrous pigments and filler particles The invention relates to a plastic part having lustrous pigments and filler particles. Moldings of this plastic part exhibit a pronounced glitter effect. ... | 03/28/2006 |
| 7014893 | Support material for recording layers A support material comprises a raw paper that may be coated on at least one side with a synthetic resin, and the raw paper or the resin coating on the raw paper is provided at least on the front side with a pigment layer wherein the pigment layer contains at least a... | 03/21/2006 |
| 7014700 | Highly reflective interference pigments with dark absorption color Highly reflective interference effect pigments with dark absorption color are obtained by reducing platy titanium dioxide. The present effect pigments may be used in cosmetics, plastics, inks, and coatings including solvent and water borne automotive paint sy... | 03/21/2006 |
| 7011703 | Surface-treated pigments Inorganic pigments, having deposited on the pigment surface at least one alkenyl- or alkyl-substituted succinic anhydride and at least one organic polyol, possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties t... | 03/14/2006 |
| 6997982 | Pigment with a metallic luster The invention relates to a pigment with a metallic luster, comprising a plate-like non-metallic substrate having a thickness lower an 200 nm, which is entirely coated with a metallic layer. ... | 02/14/2006 |
| 6997981 | Thermal control interface coatings and pigments The invention provides an optical structure with low chroma and brightness in the visible region and low emissivity in the infrared region. The optical structure includes an interference structure having an infrared reflective layer and an infrared absorbing thin fi... | 02/14/2006 |
| 6997980 | Aqueous, effect-producing coating material, method for the production thereof and use of the same An aqueous effect coating material comprising at least one water soluble or dispersible binder, at least one effect pigment, and a neutralized mixture of at least two fatty acids; process for its preparat... | 02/14/2006 |
| 6984682 | Color effect pigments and method of forming the same A metallic effect pigment including a metallic, corrosion resistant reflective core of reflectivity from 40% to 80%; having deposited thereupon at least one dielectric coating layer formed of at least one metal oxide, the metal oxide layer having been formed by depo... | 01/10/2006 |
| 6958091 | Surface-treated pigments Inorganic pigments treated with at least one amide of a fatty acid and an aliphatic amine possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated pigm... | 10/25/2005 |
| 6951075 | Pigment concentrates for coloring seeds The present invention relates to the use of a pigment form or pigment concentrate comprising of an organic pigment, a growth-promoting additive, and optionally inorganic filler and/or an organic additive for coloring of seeds. Seeds colored by the dry pigment forms ... | 10/04/2005 |
| 6946028 | Surface-treated pigments Inorganic pigments treated with one or more of the α,α-dialkyl substituted linear or branched carboxylic acids and the salts thereof possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic comp... | 09/20/2005 |
