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| Number | Title | Issue Date |
| 7988947 | Mesoporous oxide of titanium This invention pertains to mesoporous oxide of titanium and processes of making mesoporous oxide of titanium particularly crystalline oxide of titanium. ... | 08/02/2011 |
| 7731934 | Titanium oxide with a rutile structure The invention relates to a novel form of titanium oxide. The titanium oxide is characterized in that it has the crystallographic structure of rutile with an orthorhombic lattice and a Pnmm space group, it has a platelet morphology, the platelets being of rect... | 06/08/2010 |
| 7468175 | Highly photosensitive titanium dioxide and process for forming the same A high photosensitivity titanium oxide composition includes a plurality of nanosize particles including titanium dioxide and titanium suboxide. The particles are substantially non-stoichiometric (TiO2-x, wherein 0.1 | 12/23/2008 |
| 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 |
| 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 |
| 7329303 | Methods for producing titanium metal using grinding media Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 02/12/2008 |
| 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 |
| 7255847 | Method for making single-phase anatase titanium oxide This invention relates to methods of making single phase nanocrystalline titanium dioxide. It is hereby provided a method for preparing single-phase anatase type titanium dioxide photocatalyst having a particle size of nano level at near room temperatures without th... | 08/14/2007 |
| 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 |
| 7223441 | Method for depositing gallium oxide coatings on flat glass A chemical vapor deposition process for laying down a gallium oxide coating on a glass substrate through the use of an organic ester and an inorganic gallium halide. The organic ester preferably contains 3-6 carbon atoms which contributes to obtaining a high deposit... | 05/29/2007 |
| 7217407 | Plasma synthesis of metal oxide nanoparticles The present invention is a method of increasing particle surface area and decreasing the concentration of over-sized particles in a process for making metal oxide particles, particularly nanoparticle TiO2, in an inlet-fed, plug flow, plasma reactor by vap... | 05/15/2007 |
| 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 |
| 7138357 | Photocatalyst containing titanium oxide, the production method and use of the same The invention relates to a photocatalyst containing titanium dioxide, to a method for using it and to its application. A sulphurous titanium dioxide hydrate precipitate is precipitated from an acid titanium oxysulphate solution at a temperature below the boiling poi... | 11/21/2006 |
| 7087100 | Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele... | 08/08/2006 |
| 6991677 | Titanium dioxide-calcium carbonate composite particles Titanium dioxide-calcium carbonate composite particles capable of realizing characteristic properties inherent in titanium dioxide such as a high opacity, a process for producing the same, and a complex composition or complex incorporated with the same are provided.... | 01/31/2006 |
| 6811723 | Organic sol and solid compound based on titanium oxide and amphiphilic compound and preparation methods An organic sol is disclosed comprising titanium oxide particles; an organic liquid phase and at least am amphiphilic compound selected among polyethylene phosphate alkyl ethers. In a first embodiment, the method for preparing said sol mixes said amphiphilic compound... | 11/02/2004 |
| 6777374 | Process for photo-induced selective oxidation of organic chemicals to alcohols, ketones and aldehydes using flame deposited nano-structured photocatalyst Organic molecules are partially oxidized in that the gas phase on supported and immobilized photocatalysts deposited having a nanostructure. the photocatalysts are semiconductors such as titanium dioxide and are preferentially coated onto a substrate by flame aeroso... | 08/17/2004 |
| 6752973 | Process for producing titanium oxide A process for producing a titanium oxide is provided which comprises the steps of (i) mixing an acidic solution of a titanium compound with a nitrogen-containing basic organic compound to obtain a reaction product and (ii) calcining the obtained product. The titaniu... | 06/22/2004 |
| 6627173 | Doped titanium dioxide A process for the preparation of doped, pyrogenically prepared titanium dioxide is described. The titanium dioxide is doped with zinc oxide, platinum oxide, magnesium oxide, or aluminium oxide, by injecting an aerosol of the oxide into the production stre... | 09/30/2003 |
| 6620508 | Oxide powder and method for preparing the same, and product using the same Firstly, a powder matrix is kept in a fluent state, said powder matrix consisting of a first oxide having an absorbed water amount of 0.1 to 50%, an averaged particle diameter of 0.005 to 0.5 μm and a surface hydroxyl group number of 0.1 to 25 μmol/m | 09/16/2003 |
| 6548039 | Processing aqueous titanium solutions to titanium dioxide pigment A hydrometallurgical process is provided for producing pigment grade TiO2 from titanium containing solutions. Generally, the solution is an aqueous solution. The process includes hydrolyzing the solution via complete evaporation in well-control... | 04/15/2003 |
| 6517629 | Methods for making low volatile titanium dioxide pigments The present invention provides a process for generating titanium dioxide pigments that have reduced moisture retention. By leaching oxidizer discharge and removing alumina containing compounds, one is able to generate a low volatile pigmentary bases. Thes... | 02/11/2003 |
| 6458452 | Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same The present invention relates to titanium oxide particles having an average particle size of not more than 0.3 μm, and a BET specific surface area of 15 to 200 m2 /g, containing a soluble sodium salt of not more than 230 ppm, calculated as Na,... | 10/01/2002 |
| 6440383 | Processing aqueous titanium chloride solutions to ultrafine titanium dioxide A hydrometallurgical process is provided for producing ultrafine or nano-sized titanium dioxide from titanium containing solutions, particularly titanium chloride solutions. The process is conducted by total evaporation of the solution, above the boiling ... | 08/27/2002 |
| 6365555 | Method of preparing metal containing compounds using hydrodynamic cavitation A process for the preparation of nanostructured materials in high phase purities using cavitation is disclosed. The method comprises mixing a metal containing solution with a precipitating agent and passing the mixture into a cavitation chamber. The chamb... | 04/02/2002 |
| 6328947 | Method for producing fine particles of metal oxide A method for producing fine particles of metal oxide characterized in that metal halide is hydrolyzed in the presence of organic solvent. According to this invention, under hydrolysis of titanium tetrachrolide, anatase type titanium oxide can be obtained ... | 12/11/2001 |
| 6224884 | Process for the preparation of photochromic titanium oxide, compound obtained and composition comprising it A process for the preparation of a photochromic titanium oxide, by heat-treating a hydrolysed mixture of titanium chloride and a metal precursor; the titanium oxide photochromic compounds obtained; and compositions comprising the compounds.... | 05/01/2001 |
| 6103303 | Dendrite or asteroidal titanium dioxide micro-particles and process for producing the same Dendrite or asteroidal titanium dioxide micro-particles having a length of 0.2 to 0.5 μm, a thickness of 0.05 to 0.1 μm, and a specific surface area of 20 to 130 m2 /gram, are produced by treating hydrated titanium oxide particles with an alk... | 08/15/2000 |
| 6074472 | Hydrolytic preparation of titanium dioxide pigments Titanium dioxide pigments are obtainable by complete hydrolysis of a hydrolyzable titanium compound at from 0 to 100° C. with intensive stirring and with setting of a pH in the range from 3 to 8 and maintenance of this pH within a range of 0.3 units. The... | 06/13/2000 |
| 6071486 | Process for producing metal oxide and organo-metal oxide compositions A for producing metal oxide and/or organo-metal oxide compositions from metal oxide and organo-metal oxide precursors utilizing a rate modifying drying agent. The process allows metal oxide and/or organo-metal oxide compositions to be produced from a wide... | 06/06/2000 |
| 6001326 | Method for production of mono-dispersed and crystalline TiO2 ultrafine powders for aqueous TiOCl2 solution using homogeneous precipitation A method for production of mono-dispersed and crystalline titanium dioxide ultra fine powders comprises preparing an aqueous titanyl chloride solution, diluting the aqueous titanyl chloride solution to a concentration of between about 0.2 to 1.2 mole and ... | 12/14/1999 |
| 5922120 | Process for producing coated TiO2 pigment using cooxidation to provide hydrous oxide coatings The present invention provides a process for producing titanium dioxide (TiO2) pigment having a coating comprising silica and a second oxide selected from the group consisting of oxides of boron, phosphorus, magnesium, niobium, germanium, and m... | 07/13/1999 |
| 5846511 | Process for preparing crystalline titania powders from a solution of titanium salt in a mixed solvent of water and alcohol The process for preparing crystalline titania powders is provided. The process comprises dissolving titanium salt in a mixed solvent of water and alcohol, heating the resulting solution to 15°~75° C. to form titanium hydroxide precipitates, and crystall... | 12/08/1998 |
| 5833892 | Formation of TiO2 pigment by spray calcination In a method of producing TiO2 pigment particles a TiOa Xb (OH)c -based precursor is suspended in a liquid with or without fuel additives. The suspension is then sprayed to form droplets. The droplets are transpo... | 11/10/1998 |
| 5776239 | Hydrothermal process for making ultafine metal oxide powders An ultrafine titanium dioxide powder is disclosed that can be produced by hydrothermal treating an amino titanium oxalate composition. Ultrafine titanium dioxide powders are useful in cosmetic and other applications for controlling exposure to ultraviolet... | 07/07/1998 |
| 5618580 | Method for producing ceramic fine particles and apparatus used therefor The present invention provides a method for producing ceramic fine particles comprising the steps of supplying gaseous starting materials or starting material droplets to a reaction space arranged in an annular portion between inner and outer cylinders of... | 04/08/1997 |
| 5456899 | Preparation of titanium dioxide A novel process for preparing titanium dioxide from a titanium chloride consists of heating an aqueous solution of the titanium chloride in the presence of a salt of a polycarboxylic acid. The process is useful for producing titanium dioxide having a part... | 10/10/1995 |
| 5149519 | Preparation of sulfur-free titanium dioxide Sulfur-free anatase titanium dioxide, readily dispersible in aqueous media and well adopted for the production of electronic-grade alkaline earth metal titanates, e.g., barium and strontium titanates, is prepared by hydrolyzing a sulfur-free compound of t... | 09/22/1992 |
