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| Number | Title | Issue Date |
| 7416600 | Silicon-titanium mixed oxide powder produced by flame hydrolysis Silicon-titanium mixed oxide powder produced by flame hydrolysis, which consists of aggregates of primary particles, with a BET surface area of 90±15 m2/g, a titanium dioxide proportion of 50±8 wt. % and an anatase/rutile ratio of 60:40 to 70:30. | 08/26/2008 |
| 7413726 | Synthesis of ultrafine rutile phase titanium dioxide particles The present invention provides a low temperature process for the synthesis of ultrafine rutile phase titanium dioxide particles through vapor phase hydrolysis of titanium tetra chloride. ... | 08/19/2008 |
| 7414089 | Marking and removing turf lines method and composition The present invention is related to methods and compositions for marking and removing turf lines and other markings from artificial and natural turf, including sports fields. The marking compositions include alkali-activatible acrylics, including one or both of alka... | 08/19/2008 |
| 7407606 | Electroconductive powder and method for production thereof A method for producing a titanium dioxide powder having a well electroconductive layer containing substantially no antimony, which comprises providing a titanium dioxide powder containing specific amounts or less of alkali metals, such as sodium and potassium, alkal... | 08/05/2008 |
| 7381398 | Titanium oxide powder, methods of manufacturing the same and barium titanate powder, dielectric ceramic, and multilayer ceramic capacitor A titanium oxide powder holding a barium compound on the surface of the particles thereof is used for manufacturing a highly crystalline fine barium titanate powder by solid-phase reaction. When the titanium oxide powder and a barium-containing powder material are m... | 06/03/2008 |
| 7371276 | Titanium dioxide pigment and method for producing the same and resin composition using the same The titanium dioxide pigment of the present invention contains an anatase type crystal in an amount of 98-100% and has an average particle diameter of 0.2-0.4 μm and a whiteness of 95-97 in terms of L value of linseed oil. The titanium dioxide pigment of the presen... | 05/13/2008 |
| 7344591 | Stabilized suspension of titanium dioxide nanoparticles and methods of manufacture Titanium dioxide nanoparticles are formed using a dispersing agent to form nanoparticles with desired size, shape, and uniformity. The titanium dioxide nanoparticles are formed by reacting an inorganic titanium compound with water or ice to form an aqueous titanium ... | 03/18/2008 |
| 7326399 | Titanium dioxide nanoparticles and nanoparticle suspensions and methods of making the same Titanium dioxide nanoparticles are formed using a dispersing agent to form nanoparticles with desired size, shape, and uniformity. The titanium dioxide nanoparticles are formed by reacting an inorganic titanium compound with water or ice to form an aqueous titanium ... | 02/05/2008 |
| 7297323 | Method and apparatus for manufacturing fine particles A method of manufacturing fine particles of the invention includes introducing a reactive gas flow containing a fine particle source material into a reactor from one side, growing fine particles in a gas phase by heating the fine particle source material in the reac... | 11/20/2007 |
| 7285162 | Titanium dioxide pigment having improved light stability In various embodiments, methods and compositions are provided comprising titanium dioxide and silica spacers having improved light stability for use in paper, plastic and paints. ... | 10/23/2007 |
| 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 |
| 7250118 | Agglomerated nanoparticles having a rutile-like crystalline phase Agglomerated nanoparticles including Ti/Sb mixed oxide nanoparticles having a rutile-like crystalline phase content of at least 20 weight percent, wherein the nanoparticles have at least one organic moiety bound to the nanoparticle surface, and wherein the weight ra... | 07/31/2007 |
| 7247200 | Titanium dioxide finishing process This disclosure relates to process for producing titanium dioxide (TiO2) pigments, comprising the following steps: a) oxidizing a mixture of titanium tetrahalide and a rutile forming agent, such as aluminum halide, present in the vapor phase and in the pr... | 07/24/2007 |
| 7244302 | Titanium dioxide coated with silicon dioxide A powder containing particles with a core of titanium dioxide and a coating of silicon dioxide in an amount of between 0.5 and 40 wt. %, the particles have a BET surface of between 5 and 300 m2/g, and the particles are primary particles that have a coatin... | 07/17/2007 |
| 7238231 | Process for manufacturing zirconia-treated titanium dioxide pigments An improved process is described for manufacturing zirconia-treated titanium dioxide pigments, wherein the zirconia treatment is accomplished in the process of fluidizing a titanium dioxide filter or press cake and then drying the same, through the addition to the f... | 07/03/2007 |
| 7235300 | Titanium-containing interference pigments and foils with color shifting properties Interference pigment flakes and foils are provided which have color shifting properties. The pigment flakes can have a symmetrical coating structure on opposing sides of a reflector layer, can have an asymmetrical coating structure with all of the layers on one side... | 06/26/2007 |
| 7224528 | Optically variable security devices A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an optical interference pattern such as a holographic image pattern or an optical diffraction pattern thereon. A color shi... | 05/29/2007 |
| 7214363 | Method for preparing composite microparticles Composite microparticles having thin coating layers can be simply prepared by bringing a host particle precursor into contact with a flame generated in a burner movably mounted at the bottom of a coating apparatus, by introducing the precursor in the form of a vapor... | 05/08/2007 |
| 7208126 | Titanium dioxide nanopowder manufacturing process Titanium dioxide nanopowder is produced by a process, comprising: (a) reacting titanium tetrachloride and an oxygen containing gas in the vapor phase in a flame reactor, at a flame temperature of at least about 800° C. in the pres... | 04/24/2007 |
| 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 |
| 7179531 | Polymer particles having select pendant groups and composition prepared therefrom Polymer particles having select functional or absorbing groups are provided. The polymer particles are useful for preparing organic-inorganic composite particles that are suitable for providing dried coatings with improved hiding. Aqueous compositions containing the... | 02/20/2007 |
| 7166157 | Method for the surface treatment of a titanium dioxide pigment A method and material for improved TiO2 pigment for paper and laminates is described. Phosphorous, titanium, and aluminum compounds are successively added to a TiO2 pigment suspension. Resulting pigments show improved greying resistance and hid... | 01/23/2007 |
| 7144840 | TiOmaterial and the coating methods thereof The present invention relates to a titanium dioxide material for coating on a substrate and method of making the same. The coated material is resistant to delamination and can be used for air-purification purposes. ... | 12/05/2006 |
| 7138010 | Amino phosphoryl treated titanium dioxide The invention is a pigment comprising titanium dioxide and an amino phosphoryl compound. The pigment of the invention imparts improved physical qualities, such as improved lacing resistance and dispersion, when incorporated into polymers. ... | 11/21/2006 |
| 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 |
| 7083852 | Ultrafine mixed-crystal oxide, production process and use thereof A process for producing an ultrafine mixed-crystal oxide characterized by producing an ultrafine mixed crystal oxide comprising primary particles in a mixed crystal state with a BET specific surface area of 10 to 200 m2/g, comprising the step of subjectin... | 08/01/2006 |
| 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 |
| 6994746 | Preparation of satin white The present invention relates to a process for preparing satin white, wherein aluminum sulfate and calcium hydroxide are brought together batchwise in a planetary kneader mixer and react to form satin white. The satin white obtained by the present process has a supe... | 02/07/2006 |
| 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 |
| 6974611 | Titanium oxide dispersion composition, and method and container for preserving the same A titanium oxide dispersion composition is provides, the composition comprising a solvent and a titanium oxide with an average secondary particle diameter of 100 nm or smaller, the dispersion composition having a maximum intensity within the range of from 435 nm to ... | 12/13/2005 |
| 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 |
| 6962946 | Nanoparticles having a rutile-like crystalline phase and method of preparing same Nanometer-sized particles comprise a mixed oxide of titanium and antimony and are characterized by rutile-like crystal phases. The particles are easily prepared by hydrothemal processing, and may be used as colloids, or in various compositions and articles. ... | 11/08/2005 |
| 6946417 | Light-colored ESD safe ceramics Aspects of the present invention may be found in an electrostatic dissipative ceramic component having a stabilized zirconia base, a surface resistivity between 1×105 and 1×1012 ohms per square and at least 2 percent by volume scattering mate... | 09/20/2005 |
| 6931665 | Vapor permeable retroreflective garment The disclosure describes vapor permeable retroreflective material for use on protective garments. The material may be formed in a non-continuous pattern that provides a high-level of retroreflective brightness, yet also provides adequate permeability to prevent expo... | 08/23/2005 |
| 6908675 | Process to reduce dusting and improve flow properties of pigments and powders Titanium Dioxide and other pigments or powders processed by this present process are smoothly discharging, low dusting, agglomerated, compaction resistant, extremely friable and fully dispersable. The process for the production of smoothly discharging pigment or pow... | 06/21/2005 |
| 6902609 | Pearlescent film coating systems and substrates coated therewith The present invention is directed to film coating systems for use on oral dosage forms such as compressed tablets and orally-ingestible substrates which have improved pearlescent qualities. The film coating systems can be applied either directly to a substrate or af... | 06/07/2005 |
| 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 |
| 6852306 | Process for making durable rutile titanium dioxide pigment by vapor phase deposition of surface treatments 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... | 02/08/2005 |
| 6835455 | Ultrafine particulate complex oxide containing titanium oxide The present invention provides a process for producing ultrafine particulate complex oxide containing titanium oxide, including vapor-phase producing a complex oxide containing titanium oxide having a BET specific surface area of about 5 to about 200 m2/g... | 12/28/2004 |
| 6830742 | Ultrafine particulate titanium oxide and production process thereof Particulates, particularly ultrafine particulates of titanium oxide having a BET specific surface area of from about 3 m2/g to about 200 m2/g, preferably from about 5 m2/g to about 200 m2/g, and more preferably from about ... | 12/14/2004 |
