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| Number | Title | Issue Date |
| 7682441 | Weather resistant titanium dioxide pigment and a process for its production The invention relates to a weather resistant titanium dioxide pigment with good optical properties having a SiO2 dense skin doped with metal atoms. Particularly suitable elements for doping are tin, zirconium and titanium. The SiO2 dense skin i... | 03/23/2010 |
| 7390355 | Zinc oxide A dispersion containing zinc oxide particles having a dispersion particle size of (i) median volume particle diameter in the range from 70 to 130 nm, (ii) less than 16% by volume of particles having a volume diameter of less than 35 nm below the median volume partic... | 06/24/2008 |
| 7371275 | Titanium dioxide pigment and polymer compositions Coated titanium dioxide pigment having high UV absorption properties and use in polymer compositions, especially PVC for building and residential construction is described. ... | 05/13/2008 |
| 7344590 | Silver pigments The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 5-300 nm and optionally an outer protective l... | 03/18/2008 |
| 7338168 | Particle analyzing system and methodology An imaging system, methodology, and various applications are provided to facilitate optical imaging performance. The system contains a sensor having one or more receptors and an image transfer medium to scale the sensor and receptors in accordance with resolvable ch... | 03/04/2008 |
| 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 |
| 7291217 | Non-toxic corrosion-protection pigments based on rare earth elements A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare ... | 11/06/2007 |
| 7273522 | Plane-parallel structures of silicon/silicon oxide The present invention relates to plane-parallel structures of silicon/silicon oxide (silicon/silicon oxide flakes), obtainable by heating plane-parallel structures of SiOy in an oxygen-free atmosphere at a temperature above 400° C., wherein 0.70≦y≦1.... | 09/25/2007 |
| 7265176 | Composition comprising nanoparticle TiO2 and ethylene copolymer Disclosed is a composition comprising or produced from nanoparticle-sized TiO2, an ethylene copolymer or ionomer of the ethylene copolymer, and optionally a second polymer. Also disclosed are films and other shaped articles produced therefrom. The composi... | 09/04/2007 |
| 7264672 | Titanium dioxide pigment composite and method of making same A process for producing an improved titanium dioxide pigment composite is provided, as are particles produced thereby. The process comprises producing a slurry comprising titanium dioxide particles, leaching alumina from the surface of the titanium dioxide particles... | 09/04/2007 |
| 7256425 | Methods of producing plane-parallel structures of silicon suboxide, silicon dioxide and/or silicon carbide, plane-parallel structures obtainable by such methods, and the use thereof A product produced in a PVD method is described, which consists of thin plane-parallel structures having a thickness in the range from 20 to 2000 nm and small dimensions in the range below one mm. Production is carried out by condensation of silicon suboxide onto a ... | 08/14/2007 |
| 7255735 | Surface-modified silicon dioxide-titanium dioxide mixed oxides Pyrogenically prepared surface-modified silicon dioxide-titanium dioxide mixed oxides are prepared by spraying pyrogenically prepared silicon dioxide-titanium dioxide mixed oxides with a surface-modifying agent. The surface-modified pyrogenically prepared silicon di... | 08/14/2007 |
| 7250080 | Process for the manufacture of organosilicon compound-treated pigments An improved process for making an organosilicon compound surface-treated titanium dioxide material, comprising (a) forming a mixture of the titanium dioxide material in water, (b) wet milling the mixture, (c) adjusting the pH of the slurry resulting from step (b) to... | 07/31/2007 |
| 7223472 | Gloss pigments having high colour saturation The invention relates to coloured gloss pigments having specific particle dimensions comprising a transparent core of a silicon oxide of the composition SiO0.03 to SiO0.95 and, optionally, further coatings of silicon dioxide, carbon, a partiall... | 05/29/2007 |
| 7220305 | Particulate metal oxide A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The ... | 05/22/2007 |
| 7214264 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. T... | 05/08/2007 |
| 7169322 | Aqueous dispersion, process for its production and use Aqueous dispersion containing a silicon-aluminum mixed oxide powder, the powder containing 0.1 to 99.9 wt. % Al2O3 and Si—O—Al-bonds. The dispersion can be produced using dispersing and/or grinding devices which a achieve an energy input of... | 01/30/2007 |
| 7141618 | Coating compositions with modified particles and methods of using the same Powder coating compositions having improved mar and scratch resistance are disclosed. The coatings generally comprise one or more particles that have been modified to render the particles more surface active. The improved resistance is achieved without affecting the... | 11/28/2006 |
| 7135065 | Method for the post-treatment of titanium dioxide pigments The invention relates to a method for the post-treatment of titanium dioxide, in order to produce particularly weather-resistant titanium dioxide pigments with good optical properties. The method is characterized in that, together with the hydrous oxides of tin and ... | 11/14/2006 |
| 7135206 | Coated titanium dioxide particles A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system urease/urea is used. Said coated titanium dioxide particles can have an ave... | 11/14/2006 |
| 7129022 | Photo-polymerization type photo-sensitive electrode paste composition for plasma display panel and fabricating method thereof This invention relates to a photo-polymerization type photosensitive electrode paste composition for a plasma display panel that is capable of preventing a bubble from occurring on an electrode surface during an electrode paste printing process and a damage of an el... | 10/31/2006 |
| 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 |
| 7101427 | Particulate metal oxide A particulate metal oxide having a mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The me... | 09/05/2006 |
| 7064159 | Pearlescent white paint composition containing a film-former and a solid material comprising mica, titanium dioxide and aluminum, and process for using same A pearlescent white paint composition and use thereof to provide a pearlescent finish on a vehicle. The paint composition is made up of a film-former and a solids material, the latter including mica, TiO2 and particulate metallic Al, in specific amounts. | 06/20/2006 |
| 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 |
| 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 |
| 7029648 | Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatment The present invention relates to a process for making durable titanium dioxide pigment by vapor phase deposition of surface treatments on the titanium dioxide particle surface by reacting titanium tetrachloride vapor, an oxygen containing gas and aluminum chloride i... | 04/18/2006 |
| 7030176 | Recording medium with nanoparticles and methods of making the same The present invention provides recording media comprising nanoparticles, methods of stabilizing recording media against electromagnetic radiation (including ultraviolet radiation and radiation in the visible wavelength range), methods for enhancing the substrate ind... | 04/18/2006 |
| 7030985 | Colored transparent or translucent cosmetic composition The invention relates to a transparent or translucent colored cosmetic composition for making up the skin, lips and superficial body growths comprising a transparent or translucent cosmetic base and at least one coloring agent in an amount such that the transmission... | 04/18/2006 |
| 7018465 | Aerosolized ceramic porcelains and glaze composition A spray glaze or opaque composition for coating dental restorations and other surfaces and objects such as hobby ceramics that comprises about 4 to about 50 weight % glaze material, about 5 to about 60 weight % restoration wetting agent, and about 10 to about 90% no... | 03/28/2006 |
| 6994837 | Plasma synthesis of metal oxide nanopowder and apparatus therefor A process and apparatus for the synthesis of metal oxide nanopowder from a metal compound vapour is presented. In particular a process and apparatus for the synthesis of TiO2 nanopowder from TiCl4 is disclosed. The metal compound vapour is reac... | 02/07/2006 |
| 6972301 | Process for producing organically modified metal oxides and products thereof A process of producing an organically modified metal oxide wherein an aqueous slurry of a metal oxide which can be peptized in the presence of an acid is admixed with an aqueous slurry of an oregano silage having the formula RySiX4-y, the mixtu... | 12/06/2005 |
| 6962622 | Titanium dioxide pigment composition The invention relates to a titanium dioxide pigment mixture comprising a pigment having high greying stability (pigment type A) and a pigment having increased SiO2 and Al2O3 content in flaky precipitation (pigment type B). Said mixtu... | 11/08/2005 |
| 6947111 | Multilayer non-metallic reflecting flakes for cosmetics and sunscreens A material for protection against injurious ambient light composed of a binder mixed with non metallic reflective flakes is disclosed. ... | 09/20/2005 |
| 6929690 | Pigment with a metallic luster A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 μm, which is fully enveloped by a metal layer. ... | 08/16/2005 |
| 6884289 | Colored pigments The present invention relates to colored pigments based on multicoated platelet-shaped substrates which are distinguished by the fact that they comprise (A) a coating having a refractive index of n>1.8 and a layer thickness of 20-5... | 04/26/2005 |
| 6875264 | Multi-layer effect pigment A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd n... | 04/05/2005 |
| 6866710 | Inorganic spherical absorption pigments The present invention relates to inorganic spherical absorption pigments which have a bimodal particle-size distribution, at least one color-providing layer and a final SiO2 layer, and to the use thereof in paints, coatings, printing inks, security printi... | 03/15/2005 |
| 6849115 | Method of manufacturing aluminum-substituted hematite A method of manufacturing aluminum-substituted hematite represented by α-(Fe1-xAlx)2O3 where x=0.01 to 0.15, by mixing an iron compound and an aluminum compound such that an atomic ratio of Fe to Al falls within the range... | 02/01/2005 |
| 6840993 | Silver-colored luster pigment The present invention relates to silver-colored luster pigments based on multiply coated platelet-shaped substrates, which has at least one layer sequence of TiO2, a colorless coating and another TiO2 layer. The pigment can optionally have an o... | 01/11/2005 |
