| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423608000 | Group IVB metal (Ti, Zr, or Hf) | 86 |
| 20080267858 | Reduced Moisture Chemical Reactions - A method of continuously producing reduced compounds, which comprises continuously feeding our oxidised compound into a reaction chamber and contracting the oxidised compound with a reductant gas. The oxidised compound may be titanium dioxide. the reaction chamber may be a rotating kiln. | 10-30-2008 |
| 20090004098 | Process for the Production of Nanoparticles with Tailor-Made Surface Chemistry and Corresponding Colloids - A process for the production of a suspension of crystalline and/or densified, surface-modified nanoscale particles in a dispersant. The process comprises: (a) heat-treating a suspension of amorphous or semicrystalline, non-surface-modified nanoscale particles in a first dispersant to obtain crystallized and/or densified particles; and (b) mechanically activating, in the presence of at least one modifying agent, the particles obtained according to (a) as a suspension in the first dispersant or in a different dispersant to obtain a suspension of crystalline and/or densified nanoscale particles which are surface-modified by the at least one modifying agent. | 01-01-2009 |
| 20090074655 | Nanoparticles, and a Method of Sol-Gel Processing - Methods of sol-gel processing for preparing of gels and nanoparticles are described. The invention also relates to gels and nanoparticles prepared by the described methods. A preferable embodiment describes ZrO | 03-19-2009 |
| 20090148380 | Method for Producing Metal Oxide Particle - There is provided a method for stably producing metal oxide solid solution particle at low temperature, wherein an alkaline zirconia sol is used as a raw material which is mixed with a metal compound, and then dried and fired. Specifically, there is disclosed a method for producing metal oxide particle (A3) such as zirconia particle in which metal oxides are solid-solubilized, comprising: a step (I) for obtaining metal oxide (A2) sol such as zirconia sol containing a precursor of a metal oxide by mixing an alkaline zirconia (A1) sol which is obtained by a method including a step (i) for heating a zirconium salt (B2) at 60-110° C. in an aqueous medium containing a carbonate of quaternary ammonium and a step (ii) for performing a hydrothermal treatment at 110-250° C., with a compound (B1) containing an element selected from a group consisting of the group II and group III elements of the periodic table; and a step (II) for drying the thus-obtained sol and then firing a resultant substance at a temperature of 500-1200° C. | 06-11-2009 |
| 20090252669 | SYNTHESIS OF TETRAGONAL PHASE STABILIZED NANO AND SUBMICRON SIZED NANOPARTICLES - Novel, monodispersed, spherical ZrO | 10-08-2009 |
| 20100040533 | METHOD OF PRODUCING SUBSTOICHIOMETRIC OXIDES OF TITANIUM BY REDUCTION WITH HYDROGEN - A method and apparatus are described for manufacturing Ebonex® articles such as rods and tiles from titanium oxide precursors. The precursors are held within the interior space of a kiln and heated in a reducing gas. The precursors are held so that the reducing gas is able to fully envelop them. In a preferred embodiment, the precursors are hung from a support within the kiln. The temperature of the kiln is also controlled to limit the initial heating of the kiln and to maintain the kiln within a predetermined range of operating temperatures. | 02-18-2010 |
| 20110223098 | TITANIUM OXIDE AND METHOD OF PRODUCING THE SAME - A method of producing a titanium oxide, including the steps of: ion-exchanging a sodium titanium oxide Na | 09-15-2011 |
| 20120027668 | LOW VALENCE TITANIUM OXIDES AND METHOD OF PRODUCING THE SAME - The object of the present invention is to provide a method of producing low valence titanium oxides in a steady supply manner acceptable in industrial production. The low valence titanium oxides are produced by electrical discharge between two electrodes in an aqueous medium, wherein at least one of the electrodes is a titanium-containing electrode. | 02-02-2012 |
| 20120141362 | METAL OXIDE PARTICLE PRODUCTION METHOD AND PRODUCTION DEVICE - An object of the present invention is to provide a method for producing metal oxide particles, in which metal oxide particles with high photocatalytic activity is produced, and a production apparatus therefor. The above object can be achieved by using a method for producing metal oxide particles, which includes subjecting a reaction gas containing metal chloride and an oxidizing gas containing no metal chloride in a reaction tube ( | 06-07-2012 |
| 20120171112 | TITANIUM OXIDE NANO TUBE MATERIAL AND METHOD FOR MANUFACTURING THE SAME - A titanium oxide nano tube material is configured so that crystal grains of a nano tube has a crystal structure oriented with the [001] direction of a tetragonal crystal system as a preferred direction. FWHM (Full Width at Half Maximum) of a rocking curve with respect to the (004) plane peak is 11.1 degrees to 20.3 degrees. The titanium oxide nano tube material has excellent photoelectric characteristics since the crystal grains of the nano tube are oriented with the (004) plane or the [001] direction of a tetragonal crystal system as a preferred direction. | 07-05-2012 |
| 20120189535 | Controlling Morpholoy of Titanium Oxide Using Designed Peptides - A method for biomimetically preparing titanium oxide precipitates with specific morphologies. According to one embodiment, designed peptides that are 5-20 amino acids long are used as initiators to cause the precipitation of titanium oxide from a buffered aqueous solution containing a titanium oxide precursor, such as titanium(IV) bis(ammonium lactate) dihydroxide. The peptides consist of amino acids that are hydrophilic at neutral pH, such as serine, and amino acids that are cationic at neutral pH, such as lysine and arginine. The peptides sequences are designed to induce the formation of specific morphologies including, but not limited to, spheres, rectangular blocks, cubes, porous sheets, non-porous sheets, and flowers. The method enables the formation of distinct and consistent titanium oxide morphologies without a need for high temperatures and pressures or for caustic reaction conditions. This, in turn, allows for oxide formation in the presence of environmentally sensitive materials and limits hazardous waste streams. | 07-26-2012 |
| 20120275990 | MICROSTRUCTURE AND MANUFACTURING METHOD THEREFOR - A microstructure that can develop non-conventional and novel physical properties and a method for producing the same are provided. Ethanol is added to a mixture solution produced by adding a surfactant solution to a peroxotitanic acid aqueous solution to produce precipitates, and the precipitates collected from the mixture solution are let dried to produce precursor powders | 11-01-2012 |
| 20120328507 | REDUCED MOISTURE CHEMICAL REACTIONS - A method of continuously producing reduced compounds, which comprises continuously feeding our oxidised compound into a reaction chamber and contracting the oxidised compound with a reductant gas. The oxidised compound may be titanium dioxide. The reaction chamber may be a rotating kiln. | 12-27-2012 |
| 20120328508 | METHOD AND APPARATUS FOR PRODUCING METAL OXIDE PARTICLES - There is provided a method and an apparatus for producing metal oxide particles, which produce metal oxide particles having a high photocatalytic activity with high yield. The method for producing metal oxide particles of the invention is characterized by including combining, in a reaction tube, a preheated metal chloride-containing gas with a preheated first gas which does not contain the metal chloride at a first junction to obtain a first combined gas, and combining the first combined gas with a preheated second gas which does not contain the metal chloride, at a second junction which is further downstream of the first junction, to obtain a second combined gas, wherein at least one of the metal chloride-containing gas and the first gas contains oxygen, and wherein the preheated metal chloride-containing gas is further heated in a region between the first junction and the second junction (referred to as first reaction zone), by combining the first gas with the metal chloride-containing gas at the first junction while setting the preheat temperature of the first gas at a temperature equal to or higher than the preheat temperature of the metal chloride-containing gas, and the first combined gas is further heated in a region downstream of the second junction by combining the second gas with the first combined gas at the second junction while setting the preheat temperature of the second gas at a temperature equal to or higher than the temperature of the first combined gas. | 12-27-2012 |
| 20130089492 | CHIRAL NEMATIC NANOCRYSTALLINE METAL OXIDES - A mesoporous metal oxide materials with a chiral organization; and a method for producing it, in the method a polymerizable metal oxide precursor is condensed inside the pores of chiral nematic mesoporous silica by the so-called “hard templating” method. As a specific example, mesoporous titanium dioxide is formed inside of a chiral nematic silica film templated by nanocrystalline cellulose (NCC). After removing the silica template such as by dissolving the silica in concentrated aqueous base, the resulting product is a mesoporous titania with a high surface area. These mesoporous metal oxide materials with high surface area and chiral nematic structures that lead to photonic properties may be useful for photonic applications as well as enantioselective catalysis, photocatalysis, photovoltaics, UV filters, batteries, and sensors. | 04-11-2013 |
| 20140065059 | CATALYST FOR PRODUCING AN OLEFIN FROM AN ALCOHOL, METHOD FOR PRODUCING OLEFIN, POLYOLEFIN, AND OLEFIN OXIDE - Disclosed are a catalyst for producing, from an alcohol, an olefin whose number of carbon atoms is at least one more than the number of carbon atoms of the alcohol, wherein at least the surface of the catalyst is substantially composed of zirconium oxide; a method for producing an olefin using the same; and so on. | 03-06-2014 |
| 20140328746 | ZIRCONIA SINTERED BODY, ZIRCONIA COMPOSITION AND ZIRCONIA CALCINED BODY, AND DENTAL PROSTHESIS - Zirconia sintered body having similar appearance to natural tooth. On straight line extending in first direction from one end to the other end of zirconia sintered body, when chromaticity (L*, a*, b*) by a L*a*b* colorimetric system of first point positioned in section from the one end to 25% of the whole length is (L1, a1, b1) and chromaticity (L*, a*, b*) by L*a*b* colorimetric system of second point positioned in section from the other end to 25% of whole length is (L2, a2, b2), L1 ranges from 58.0 to 76.0, a1 ranges from −1.6 to 7.6, b1 ranges from 5.5 to 26.3, L2 ranges from 71.8 to 84.2, a2 ranges from −2.1 to 1.8, b2 ranges from 1.9 to 16.0, L1a2, b1>b2, and tendency to increase or decrease chromaticity by the L*a*b* colorimetric system from first point to second point does not change. | 11-06-2014 |
| 20160122195 | A SOL-GEL PROCESS FOR SYNTHESIS OF NANOCRYSTALLINE OXIDES - A Continuous flow synthesis of nanocrystalline metal oxides by rapid sol-gel process is disclosed. The process disclosed uses an impinging microjet micromixer device to obtain the nano crystalline metal oxides. A method of fabricating and assembling the impinging microjet micromixer is also disclosed herewith. | 05-05-2016 |
| 423609000 | Titanium monoxide or sesquioxide | 4 |
| 20080253958 | PRODUCTION OF HIGH-PURITY TITANIUM MONOXIDE AND CAPACITOR PRODUCTION THEREFROM - The present invention relates to high-purity titanium monoxide powder (TiO) produced by a process of combining a mixture of titanium suboxides and titanium metal powder or granules; reacting the mixture at a temperature above about 1200° C.; and fragmenting the body to form TiO particles suitable for application as e.g., capacitors. The TiO product is unusually pure in composition and crystallography, highly dense, and can be used for capacitors and for other electronic applications. The method of production of the TiO is robust, does not require high-purity feedstock, and can reclaim value from waste streams associated with the processing of TiO electronic components. | 10-16-2008 |
| 20090035213 | Process for producing crystalline titanium oxide coating film through electrolytic anodizing - This invention aims to provide a method for producing a crystalline titanium oxide film that is suitable for industrial production; that forms a large amount of crystalline titanium oxide; and that is useful as a photocatalyst, a photovoltaic element, and the like. Such a crystalline titanium oxide film is produced through the following steps (a-1) and (b): (a-1) a step of heating titanium or titanium alloy under either of the following conditions (1) to (3) to form titanium nitride on the surface of the titanium or titanium alloy; (1) in an atmosphere of nitrogen and/or ammonia gas in the presence of an oxygen trapping agent; (2) in an atmosphere where a pressure is reduced to discharge atmospheric gas, and then nitrogen and/or ammonia gas are/is introduced; or (3) in an atmosphere where a pressure is reduced to discharge atmospheric gas, and then nitrogen and/or ammonia gas are/is introduced in the presence of oxygen trapping agent; and (b) a step of immersing the titanium or titanium alloy obtained in step (a-1) above in an electrolyte containing an inorganic acid and/or organic acid, and applying voltage for anodization. | 02-05-2009 |
| 20100098620 | METHOD AND APPARATUS FOR PRODUCING METAL OXIDE PARTICLES - Provided is a method for producing decahedral titanium oxide particles, wherein the decahedral titanium oxide particles are produced by allowing a reaction gas containing titanium tetrachloride to flow into a reaction pipe having a partial double-pipe structure in which a hollow internal cylinder is inserted into an upstream portion of a hollow external cylinder, the method comprising: performing a preheating on the reaction gas containing titanium tetrachloride and a barrier gas not containing metal chlorides in a region on the upstream side of a downstream end of the hollow internal cylinder, while allowing the reaction gas to flow into the hollow internal cylinder and the barrier gas to flow between the hollow internal cylinder and the hollow external cylinder; and performing a main heating on the reaction gas in a downstream region apart from the downstream end of the hollow internal cylinder to thermally decompose the titanium tetrachloride. | 04-22-2010 |
| 20100226850 | METHOD FOR PRODUCING TITANIUM OXIDE - An even titanium oxide film is economically formed on the surface of a substrate. To actualize the film formation, an aqueous titanium tetrachloride solution containing 0.1 to 17% by weight of Ti is applied in a film-like state on the surface of a heat resistant substrate. While the liquid film state is kept as it is, the aqueous titanium tetrachloride solution is heated to 300° C. or more and H | 09-09-2010 |
| 423610000 | Titanium dioxide | 64 |
| 20080260625 | Fine Particulate Titanium Dioxide, and Production Process and Use Thereof - A high-purity ultrafine particulate titanium dioxide with a reduced fluctuation of the adsorbed water content which is a large mass fluctuation factor in a fine particulate powder body, is provided. The fine particulate titanium dioxide has a BET specific surface area of 10 to 200 m | 10-23-2008 |
| 20080260626 | Photocatalysts Based on Titanium Dioxide - A powdery photocatalyst based on titanium dioxide displays a bimodal particle size distribution of primary particles, with one particle component under about 30 nm and a second particle component over about 100 nm. The photocatalyst is manufactured by mixing at least two TiO | 10-23-2008 |
| 20080299036 | Methods for Production of Titanium Oxide Particles, and Particles and Preparations Produced Thereby - The invention provides a method for the formation of small-size titanium oxide particles, comprising the steps of a) preparing a starting aqueous solution comprising at least one of titanic ions and complexes thereof, at a concentration of at least 0.1% w/w titanium; b) maintaining the solution at a temperature lower than 70° C. for a retention time in which hydrolysis takes place, the extent of the hydrolysis being sufficient to produce 0.1 mmol protons per mmol of titanium present in solution, wherein the time does not exceed 14 days, to form a system containing a retained solution; and c) adjusting the conditions in the system by at least one of the steps of: i) heating the retained solution to elevate the temperature thereof by at least 1° C.; ii) changing the pH of the retained solution by at least 0.1 units; and iii) diluting the retained solution by at least 20% whereby there are formed particles, wherein the majority of the particles formed are between about 2 nm and about 500 nm in size. | 12-04-2008 |
| 20090004099 | Production of Nanosized Materials - The present invention relates to a method of producing a nano-sized material such as in the form of a colloidal suspension of nano-sized particles and/or as a coating and/or as a thin film comprised by such nano-sized particles on the surface of a substrate. The invention also relates to an apparatus for carrying out the method according to the present invention. | 01-01-2009 |
| 20090162274 | Method for preparing metal oxide particles with a controlled size - A method for preparing metal oxide particles having a primary particle size on the order of nanometers is provided. The method comprises subjecting a metal ion present in an aqueous solution and an amino alcohol to an initial stage of reaction with each other at normal temperatures under normal pressures for a given time, and adding at least once either of a metal ion or an amino alcohol or both thereof to the resulting reaction system for carrying out a subsequent stage of reaction for a given time wherein total amounts of the metal ion and the amino alcohol are such that the amino alcohol is used in the range of not less than a molar equivalent to the metal ion. | 06-25-2009 |
| 20090263314 | METHOD FOR PRODUCING CATALYST FOR WASTEWATER TREATMENT - The present invention provides a method for producing catalyst for wastewater treatment, which comprising mixing polymers and additives, reacting with a titanate precursor, and then subjecting the resultant product to hydrolysis and condensation to form catalyst slurry. Due to using the titanate as a source of metal ions and the polymer compound as a dispersant and stabilizer, the aggregation between particles can be habited, and due to using additives as chelating agent and catalyst, it can improve solution stability and inhibit the oxidation of the metal, thereby facilitate the condensation and hydrolysis and shorten the reaction time. The catalyst slurry prepared by the method of the present invention exhibits excellent dispersibility to effectively contact with and decompose organics, such as those containing in wastewater and thus is suitable for wastewater treatment. In addition, the resultant catalyst slurry can be processed in the form of powder or film for using in industrial wastewater treatment. | 10-22-2009 |
| 20090311170 | PROCESS FOR REDUCING GANGUE BUILD-UP IN THE REACTOR DURING THE CHLORIDE PROCESS THAT USES RECYCLED ORE - The disclosure provides a process for recycling ore in the chloride process, without the build-up of silica-containing gangue in the chlorination reactor. | 12-17-2009 |
| 20100028251 | Sulfate Process - A sulfate process for producing titania from a titaniferous material (such as an iron-containing titaniferous material; such as ilmenite) is disclosed. The process includes precipitating titanyl sulfate from a process solution produced in the process. The titanyl sulfate precipitation step includes subjecting the precipitated titanyl sulfate to a shearing action during the course of precipitating titanyl sulfate from the process solution or after precipitation has been completed. | 02-04-2010 |
| 20100028252 | PROCESSES FOR THE FLUX CALCINATION PRODUCTION OF TITANIUM DIOXIDE - Processes for the production of rutile titanium dioxide from titanyl hydroxide using calcination with a flux are provided. Calcination in the presence of sodium chloride flux has been found to lower the calcination temperature used to produce the rutile form of titanium dioxide and to improve control of particle size. | 02-04-2010 |
| 20100028253 | TITANIUM DIOXIDE POWDER AND METHOD FOR PRODUCTION THEREOF - A titanium dioxide powder which has a rutile content of 80% or more and a BET surface area of 30 m | 02-04-2010 |
| 20100055028 | SUSPENSIONS OF TITANIUM (IV) OXIDE PARTICLES AND PROCESS FOR THEIR PRODUCTION - The disclosure pertains to a process for making a suspension of finely divided titanium (IV) oxide particles, comprising: | 03-04-2010 |
| 20100080752 | Ultrafine particle of rutile-type titanium oxide - It is provided ultrafine particles of a rutile titanium oxide obtained by maintaining the pH of an aqueous solution of a titanium compound having a Ti concentration of from 0.07 to 5 mol/L in the range of −1 to 3 in the presence of a chelating agent. Such ultrafine particles of a rutile titanium oxide are useful for photocatalysts, high refractive index materials, ultraviolet absorbing materials and the like. | 04-01-2010 |
| 20100092376 | Manufacturing method of porous titanium dioxide using cyclodextrin - A method is provided for manufacturing porous titanium dioxide with uniform pore sizes within several nanometers by means of a template and a titanium precursor. In this method, a cyclodextrin or cyclodextrin derivative is used as a template for forming pores, and the cyclodextrin or then derivative reacts with the titanium precursor in a sulfuric acid solution. The manufacturing method according to the present invention allows the control of pore size and morphology using various kinds of cyclodextrin or cyclodextrin derivatives, supports a facile removal of the cyclodextrin used as the template, and is capable of manufacturing anatase type porous titanium dioxide with excellent photoactivity without a separate sintering process. | 04-15-2010 |
| 20100092377 | PROCESS FOR MAKING ANATASE TITANIUM (IV) OXIDE - The disclosure pertains to a process for making anatase titanium dioxide particles, comprising:
| 04-15-2010 |
| 20100172824 | Method for Preparing Agglomerated Metal Oxides - A method for preparing agglomerates of a metal oxide by mixing metal oxide particles with a non-aqueous liquid to form a slurry, and then drying the slurry. | 07-08-2010 |
| 20100196256 | TITANIA NANOSHEETS DERIVED FROM ANATASE DELAMINATION - A novel titania nanosheet material synthesized using a novel mechanism using titania nanotubes as a starting material is described. The novel nanosheet material may be useful for many coating applications where titania nanoparticles are traditionally deposited including, but not limited to, self-cleaning coatings, gas sensors, hydrogen production, photocatalytic solar cells, and batteries. | 08-05-2010 |
| 20100239493 | METHODS AND COMPOUNDS FOR FORMING MONOLITHIC TITANIA, OPTIONALLY BIOMOLECULE DOPED, WITH CONTROLLED MORPHOLOGY USING BIOCOMPATIBLE SOL-GEL PROCESSES - The present invention includes polyol modified titanium compounds, their preparation and use in methods to make biomolecule compatible monolithic titania. The invention also includes the use of the biomolecule compatible monolithic titania in bioanalytic applications, for example in biosensors, chromatographic columns, microarrays and bioaffinity columns. | 09-23-2010 |
| 20100316561 | PROCESS FOR THE PREPARATION OF TITANIUM DIOXIDE WITH NANOMETRIC DIMENSIONS AND CONTROLLED SHAPE - The present invention relates to an industrial applicable process for the preparation of materials with nanometric dimensions and controlled shape, based on titanium dioxide. The invention also relates to a process for the preparation of titanium dioxide nanorods with anatase phase composition, which are highly suitable for applications involving photovoltaic cells, particularly Dye Sensitized Solar Cells (DSSC), photoelectrolysis cells and tandem cells for the conversion of solar energy and the production of hydrogen. | 12-16-2010 |
| 20110002841 | Methods of Forming Metal Oxide Nanostructures, and Nanostructures Thereof - A method of forming a metal oxide nanostructure comprises disposing a chelated oligomeric metal oxide precursor on a solvent-soluble template to form a first structure comprising a deformable chelated oligomeric metal oxide precursor layer; setting the deformable chelated oligomeric metal oxide precursor layer to form a second structure comprising a set metal oxide precursor layer; dissolving the solvent-soluble template with a solvent to form a third structure comprising the set metal oxide precursor layer; and thermally treating the third structure to form the metal oxide nanostructure. | 01-06-2011 |
| 20110020213 | TITANIUM OXIDE AND METHOD OF PRODUCING THE SAME - An object is to provide a novel anatase titanium oxide having especially high photocatalytic activity as a photocatalyst useful as a material for environmental clean-up, such as removal of toxic substances, deodorization and decomposition of malodorous substances, prevention of fouling and sterilization, and a method of producing such an anatase titanium oxide. | 01-27-2011 |
| 20110033371 | Rapid Method for Preparing Titania or Precursor Thereof with Controllable Microporous-Mesoporous Structure - A method for preparing titania or precursor thereof with a controllable structure from micropore to mesopore is provided. The method is characterized in that the alkali metal titanate as raw material is reacted for 0.5˜72 hours in the wet atmosphere with humidity of 2˜100% at temperature of 20˜250° C., then washed with water or acid, finally performed by air roasting or solvent thermal treatment. The method has advantages that the raw material is easy to be obtained, the conditions and preparation are controllable, the pore structure may be adjusted from micropore to mesopore, crystal mixing and doping are easy, reacting time is short, preparing cost is low, and the said method is suitable for large scale production and so on. The most probable aperture of titanium oxide or precursor thereof with a controllable structure from micropore to mesopore is in the range of 1˜20 nm, the pore volume thereof is in the range of 0.05˜0.4 cm | 02-10-2011 |
| 20110044888 | FINE PARTICULATE TITANIUM DIOXIDE, AND PRODUCTION PROCESS AND USE THEREOF - A process for producing a fine particulate titanium dioxide, comprising charging a fine particulate titanium dioxide powder in a resin bag, spraying water droplets having a liquid droplet diameter of 5 to 500 μm to the powder in the bag, and closing the bag for storing the powder in the bag. | 02-24-2011 |
| 20110150752 | REMOTE PLASMA SYNTHESIS OF METAL OXIDE NANOPARTICLES - A method of synthesizing nanoparticles, comprising providing a precursor comprising a titanium alkoxide compound; forming a plasma from oxygen gas at a first location, wherein the plasma comprises plasma products that contain oxygen atoms; causing the plasma products to flow to a second location remote from the first location; contacting the precursor with the plasma products at the second location so as to oxidize the precursor and form nanoparticles; and collecting the nanoparticles with a collector. | 06-23-2011 |
| 20110150753 | METHOD FOR PREPARING UNIFORM ANATASE-TYPE TITANIUM DIOXIDE NANOPARTICLES - The present invention relates to a method for preparing anatase-type titanium dioxide (TiO | 06-23-2011 |
| 20110250126 | GROUP 4 METAL PRECURSORS FOR METAL-CONTAINING FILMS - The present invention is related to a family of Group 4 metal precursors represented by the formula: | 10-13-2011 |
| 20120171113 | PROCESS FOR THE PREPARATION OF TITANIUM DIOXIDE HAVING NANOMETRIC DIMENSIONS AND CONTROLLED SHAPE - The present invention relates to a process for the preparation of materials with nanometric dimensions and controlled shape, based on titanium dioxide. The invention also relates to a process for the preparation of titanium dioxide nanorods and nanocubes with anatase phase composition, which are highly suitable for photocatalytic use, in particular for applications involving photovoltaic cells, for example Dye Sensitized Solar Cells (DSSC), photoelectrolysis cells and tandem cells for the conversion of solar energy and the production of hydrogen. | 07-05-2012 |
| 20120275991 | Synthesis of Nanoparticles by Means of Ionic Liquids - A method for producing nanoscale particles by means of ionic liquids produces highly crystalline particles. The ionic liquids can be easily regenerated. | 11-01-2012 |
| 20120282165 | PROCESSES FOR THE FLUX CALCINATION PRODUCTION OF TITANIUM DIOXIDE - Processes for the production of euhedral rutile titanium dioxide from titanyl hydroxide using calcination with a flux are provided. Calcination in the presence of sodium chloride flux has been found to lower the calcination temperature used to produce the rutile form of titanium dioxide and to improve control of particle size. | 11-08-2012 |
| 20120308476 | METHODS OF FORMING METAL OXIDE NANOSTRUCTURES, AND NANOSTRUCTURES THEREOF - A method of forming a metal oxide nanostructure comprises disposing a chelated oligomeric metal oxide precursor on a solvent-soluble template to form a first structure comprising a deformable chelated oligomeric metal oxide precursor layer; setting the deformable chelated oligomeric metal oxide precursor layer to form a second structure comprising a set metal oxide precursor layer; dissolving the solvent-soluble template with a solvent to form a third structure comprising the set metal oxide precursor layer; and thermally treating the third structure to form the metal oxide nanostructure. | 12-06-2012 |
| 20130034491 | SHAPE PRESERVING CHEMICAL TRANSFORMATION OF ZnO MESOSTRUCTURES INTO ANATASE TiO2 MESOSTRUCTURES FOR OPTOELECTRONIC APPLICATION - The present application discloses a shape preserving chemical transformation of ZnO mesostructures into anatase TiO | 02-07-2013 |
| 20130084239 | METHOD OF PREPARING A TiO2 NANOSTRUCTURE - The present invention discloses a method preparing a TiO | 04-04-2013 |
| 20130343984 | DEVICE FOR MAKING NANO-SCALE PARTICLES OF TITANIUM DIOXIDE AND METHOD OF MAKING NANO-SCALE PARTICLES OF TITANIUM DIOXIDE USING THE DEVICE - A device for making nano-scale particles of titanium dioxide includes a vacuum chamber; an evaporator, a gas supplier, a vacuum pump assembly, and a product collecting device. The evaporator is mounted in the vacuum chamber. The gas supplier communicates with the vacuum chamber. The vacuum pump assembly communicates with the vacuum chamber. The product collecting device includes a pump, a guide pipe connected with the pump, and a powder collector communicating with the guide pipe. The pump communicates with the vacuum chamber. The guide pipe is inserted in the powder collector, the powder collector is filled with organic solvents. A method of making nano-scale particles of titanium dioxide using the device is also provided. | 12-26-2013 |
| 20140271448 | RUTILE TITANIUM DIOXIDE NANOPARTICLES AND ORDERED ACICULAR AGGREGATES OF SAME - Ordered acicular aggregates of elongated TiO | 09-18-2014 |
| 20150037245 | SYNTHESIS METHOD FOR TUNING SHAPE, EXPOSED CRYSTAL FACE AND SIZE OF TITANIUM DIOXIDE - The present invention relates to a method for tuning shape, exposed crystal face and size of titanium dioxide by using inorganic salts and changing pH value of the reaction environment. The present invention changes the shape of titanium dioxide crystal and the exposed face thereof by adding different inorganic salts during the reaction to utilize different alkali metal ions of the inorganic salts and also can change the size of titanium dioxide crystal by tuning different pH value in the reaction. By this synthesis method, the shape and size of titanium dioxide can be tuned for different applications, such as photocatalysis, dye-sensitized solar cells, photolysis of water and other optoelectronic components or materials, to achieve their optimal efficiencies. | 02-05-2015 |
| 20150104374 | TITANIUM OXIDE, CONDUCTIVE TITANIUM OXIDE, AND PROCESSES FOR PRODUCING THESE - Titanium dioxide and an electro-conductive titanium oxide which each includes particles having a large major-axis length in a large proportion and comprises columnar particles having a satisfactory particle size distribution. A titanium compound, an alkali metal compound, and an oxyphosphorus compound are heated/fired in the presence of titanium dioxide nucleus crystals having an aspect ratio of 2 or higher to grow the titanium dioxide nucleus crystals. Subsequently, a titanium compound, an alkali metal compound, and an oxyphosphorus compound are further added and heated/fired in the presence of the grown titanium dioxide nucleus crystals. Thus, titanium dioxide is produced which comprises columnar particles having a weight-average major-axis length of 7.0-15.0 μm and in which particles having a major-axis length of 10 μm or longer account for 15 wt. % or more of all the particles. A solution of a tin compound and a solution of compounds of antimony, phosphorus, etc. are added to a suspension obtained by suspending the titanium dioxide. The particles are sedimented. Subsequently, the product obtained is heated/fired to produce an electro-conductive titanium oxide which comprises the titanium dioxide and an electro-conductive coating formed on the surface thereof. | 04-16-2015 |
| 20150110710 | PROCESS FOR PREPARING POWDER WITH ENHANCED BULK HANDLING PROPERTY - The present invention relates to a process for manufacturing low-dusting, smoothly-discharging, easily dispersible, powders such as pigmentary titanium dioxide that resist compaction, aging, lumping, and/or caking. Particularly, the present invention relates to a process for treating powders such as pigmentary titanium dioxide with ammonia or a similarly basic substance prior to or during agglomeration to produce a powder with improved bulk handling properties. | 04-23-2015 |
| 20150291440 | METHOD FOR PRODUCING CHIRAL METAL OXIDE STRUCTURE, AND CHIRAL POROUS STRUCTURE - A method for producing a chiral metal oxide structure, involves a sol-gel step of allowing a transition metal compound having a bi- or higher dentate chelate ligand to act on a chiral supramolecular crystal of an acid-base complex containing a polymer having a linear polyethyleneimine skeleton and a chiral dicarboxylic acid compound having two carboxyl groups and four or more carbon atoms to form a metal oxide layer on a surface of the chiral supramolecular crystal; and a calcination step of thermally decomposing the organic chiral supramolecular crystal after the sol-gel step to generate a transition metal oxide structure composed of the metal oxide layer prepared with the supramolecular crystal as a template. | 10-15-2015 |
| 20150322268 | ENHANCED BULK HANDLING PROPERTIES OF POWDERS VIA DRY GRANULATION IN A CONTROLLED ATMOSPHERE - Powders such as pigmentary titanium dioxide (TiO | 11-12-2015 |
| 20160071987 | METHOD FOR FABRICATING PHOTOELECTRIC CONVERSION MATERIAL - A photoelectric conversion material is disclosed in the present invention and comprises at least a cone material. The cone material is composed of an isomer and comprises a plurality of grains. The sizes of the grains are arranged from smaller ones to larger ones along a direction. In the meantime, a method for fabricating the above photoelectric conversion material is also disclosed here. The method comprises the following steps. First, a precursor is provided. The precursor comprises at least a cone material and the cone material is a multilayer structured material, such as sodium titanate and potassium titanate, formed by stacking first materials and second materials. And then, the precursor is annealed to let the second materials leave from the cone material, and the cone material becomes the above photoelectric conversion material with a plurality of grains. | 03-10-2016 |
| 20180022924 | COATED PRODUCT | 01-25-2018 |
| 423611000 | Utilizing titanium halide as reactant | 24 |
| 20100196257 | METAL COORDINATION COMPOUND AND PRODUCTION PROCESS THEREOF - In order to provide nanoscale metal oxide fine particles having an excellent dispersibility in an organic solvent, metal oxide fine particles are obtained by heating and reacting metal halide and metal alkoxide in the presence of phosphine oxide. The heating is performed by microwave irradiation. | 08-05-2010 |
| 423612000 | Titanium tetrahalide | 23 |
| 20080274040 | Injector assembly, chemical reactor and chemical process - An injector assembly for injecting an additional component into a component stream flowing through a reactor conduit along the longitudinal axis thereof. A chemical reactor including an injector assembly for injecting an additional component into a moving component stream and a chemical process are also provided. In one embodiment, the chemical process is a process for producing titanium dioxide. | 11-06-2008 |
| 20080279760 | Method of making titanium dioxide particles - The disclosure provides a process for preparing nanocrystalline titanium dioxide, in particular rutile nanocrystalline titanium dioxide, comprising: (a) precipitating a mixture comprising hydrated titanium oxide and a separable filtering agent; (b) filtering the precipitated mixture to form a filter cake comprising the precipitated hydrated titanium dioxide and a separable filtering agent, (c) calcining the precipitated hydrated titanium oxide and separable filtering agent at a temperature of greater than about 300 C; and (d) removing the separable filtering agent thereby recovering titanium dioxide particles. | 11-13-2008 |
| 20090291044 | ANATASE TYPE TiO2 NANORODS AND ITS PREPARATION METHOD - Provided is a process which includes slowly adding dropwise chilled distilled water to titanium tetrachloride to prepare solution of titanium oxychloride; adding basic solution thereto to maintain pH of the titanium oxychloride solution within a range from 3.5 to 4, thereby providing a suspension of titanium oxyhydroxide precipitate; adding basic solution thereto to adjust the suspension of titanium oxyhydroxide precipitate to be weakly basic, and heating and stirring the mixture at 80 to 100° C.; isolating and collecting dihydroxy-oxotitanium from the heated and stirred suspension of titanium oxyhydroxide precipitate, and washing it with weakly basic aqueous solution; and adding distilled water and 20 to 500 folds of hydrogen peroxide on the basis of 1 mole of Ti | 11-26-2009 |
| 20100202960 | TITANIUM DIOXIDE SUPERFINE PARTICLES AND METHOD FOR PRODUCING THE SAME - It is an object to provide a method for producing titanium dioxide superfine particles, which produces monodispersed titanium dioxide superfine particles depending on its purpose, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing titanium dioxide superfine particles in a fluid containing a titanium compound by separation, the fluid is formed into a thin film fluid between two processing surfaces arranged so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, and the titanium dioxide superfine particles are separated in the thin film fluid. | 08-12-2010 |
| 20100226851 | LOW TEMPERATURE PROCESS FOR PRODUCING NANO-SIZED TITANIUM DIOXIDE PARTICLES - A process for synthesizing nano-sized rutile, anatase, or a mixture of rutile and anatase TiO | 09-09-2010 |
| 20100266487 | HIGH TEMPERATURE STABLE ANATASE TITANIUM DIOXIDE - This disclosure relates to a process for making titanium dioxide in an anatase crystalline form which is stable at temperatures above 1000° C., comprising: precipitating a halide salt and a hydrolyzed compound comprising titanium from a reaction mixture comprising a titanium starting material selected from the group consisting of titanium tetrachloride, titanium oxychloride, and mixtures thereof, a base selected from the group consisting of ammonium hydroxide, ammonium carbonate, ammonium bicarbonate, tetramethyl ammonium hydroxide or tetraethyl ammonium hydroxide or mixture thereof, a solvent selected from the group consisting of ethanol, n-propanol, i-propanol, dimethyl acetamide, alcoholic ammonium halide and aqueous ammonium halide and mixtures thereof, a source of aluminum and a source of silicon to form a precipitate; and removing the halide salt from the precipitate to recover a oxide of titanium in a predominantly anatase crystalline form. The disclosure additionally relates to anatase which is stable at temperatures above 1000° C. | 10-21-2010 |
| 20110189081 | CRYSTALLINE INORGANIC SPECIES HAVING OPTIMISED REACTIVITY - A method for synthesizing high quality crystalline anatase titanium dioxide having a substantial occurrence of (001) facets. Including the steps of combining a source of fluoride anions with a titanium precursor and subjecting the mixture to hydrolysis. A solvent can be combined with the source of fluoride anions and the titanium precursor prior to hydrolysis. The crystalline anatase titanium dioxide can be produced to have the highly reactive (001) facets predominant by area in a variety of crystal structures, such as nanosheets. | 08-04-2011 |
| 20120219493 | PROCESS FOR IN-SITU FORMATION OF CHLORIDES IN THE PREPARATION OF TITANIUM DIOXIDE - This disclosure relates to a process for producing titanium dioxide, comprising: a) reacting an alloy comprising a metal selected from the group consisting of aluminum, titanium and mixtures thereof, wherein one metal is a major component of the alloy, and an element selected from the group consisting of Li, Be, B, Na, Mg, Al, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, and Bi, with chlorine gas to form chlorides of aluminum, titanium or mixtures thereof and chlorides of the element selected from the group consisting of Li, Be, B, Na, Mg, Al, P, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb, and Bi, at or above the boiling point of the chloride of the major component of the alloy; with the proviso that the element does not comprise Ti when the metal is Ti and does not comprise Al when the metal is Al; (b) adding titanium tetrachloride to the chlorides formed in step (a); (c) oxidizing the chlorides formed in step (a), and titanium tetrachloride of step (b); and (d) forming titanium dioxide. | 08-30-2012 |
| 20120288437 | PROCESS FOR IN-SITU FORMATION OF CHLORIDES OF SILICON AND ALUMINUM IN THE PREPARATION OF TITANIUM DIOXIDE - This disclosure relates to a process for producing titanium dioxide, comprising: a) reacting a alloy comprising silicon and aluminum having a melting point of about 482° C. to about 660° C., with chlorine gas at temperatures above 190° C. to form chlorides of silicon and aluminum; b) adding titanium tetrachloride to the chlorides of silicon and aluminum of step (a); c) oxidizing the chlorides of silicon and aluminum and titanium tetrachloride of step (b); and d) forming titanium dioxide. | 11-15-2012 |
| 20150078985 | TiO2 BASED SCRUBBING GRANULES, AND METHODS OF MAKING AND USING SUCH TiO2 BASED SCRUBBING GRANULES | 03-19-2015 |
| 423613000 | Reacting with oxiding gas | 13 |
| 20080260627 | Methods of Controlling the Particle of Titanium Dioxide Produced by the Chloride Process - A process for manufacturing titanium dioxide by the chloride process is provided. In one embodiment, a particle size control agent comprising an ionizing agent such as potassium chloride is introduced into the reaction zone of the oxidation reactor to control the particle size of the titanium dioxide. In a first aspect, the effectiveness of the particle size control agent in controlling the particle size of the titanium dioxide is improved by adding the particle size control agent to at least one of the reactant streams at a sufficient distance upstream of the oxidization reactor to allow the ionizing agent to efficiently ionize and the particle size control agent to thoroughly admix with the stream(s) prior to entering the reaction zone. In a second aspect, the particle size control agent comprises an ionizing agent and fumed silica. In another embodiment, the amount of alumina added to the reaction zone of the oxidization reactor is increased in order to control the particle size of the titanium dioxide. | 10-23-2008 |
| 20080292539 | TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY - A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m | 11-27-2008 |
| 20090098041 | Multistage Method for Manufacturing Titanium Dioxide - The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a multistage method, where both oxygen and titanium tetrachloride are added in several stages. In the first stage gaseous TiCl | 04-16-2009 |
| 20090098042 | Method for Manufacturing Titanium Dioxide - The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a plug flow reactor, wherein the titanium tetrachloride is introduced into the reactor in at least two stages and is used exclusively in liquid form. The total quantity of liquid TiCl | 04-16-2009 |
| 20100098621 | PROCESS FOR MAKING TITANIUM DIOXIDE - The disclosure relates to a process for making titanium dioxide, comprising: reacting titanium tetrachloride with oxygen by contacting the titanium tetrachloride with the oxygen in a vapor phase reactor under mixing conditions and at an elevated temperature to form a gaseous product stream containing titanium dioxide; separating the titanium dioxide from the gaseous product stream to form a process stream; analyzing the process stream to detect a concentration of titanium tetrachloride in the process stream; comparing the concentration of titanium tetrachloride detected in the process stream to an aim point concentration; and modifying the oxidation conditions to restore or maintain the concentration of titanium tetrachloride in the process stream at the aim point. In one embodiment, the process further comprises contacting the gaseous product stream with silicon tetrachloride under mixing conditions and at an elevated temperature to at least partially encapsulate the titanium dioxide with a silicon-containing compound and separating the at least partially encapsulated titanium dioxide from the gaseous product stream and analyzing the process stream to detect a concentration silicon tetrachloride for comparison to a silicon tetrachloride aim point concentration so that the conditions for silicon tetrachloride contacting can be modified to restore or maintain the concentration of silicon tetrachloride in the process stream. | 04-22-2010 |
| 20100150819 | TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY - A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m | 06-17-2010 |
| 20100215569 | Multi-Stage Method for Manufacturing Titanium Dioxide - The invention relates to manufacturing titanium dioxide by oxidising titanium tetrachloride by a multi-stage method, where liquid titanium tetrachloride is used in a first and gaseous titanium tetrachloride is used in a second stage. The process is energetically more favourable and offers the possibility, to a certain extent, of controlling the mean particle size of the end product. | 08-26-2010 |
| 20110008246 | SYSTEM AND METHOD FOR GENERATING NANOPARTICLES - Systems and methods for generating nanomaterial are described wherein a reaction, for example, oxidation, for generating nanomaterial occurs in an open reaction zone which is external to the nanoparticle generator. The systems and methods minimize damage to the hot wall reactors evident in conventional systems and methods used to generate nanomaterial. | 01-13-2011 |
| 20110293508 | REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHLORIDE PROCESS - Disclosed herein are pigments comprising mostly rutile TiO | 12-01-2011 |
| 20120058044 | PROCESS OF USING AN IMPROVED FLUE IN A TITANIUM DIOXIDE PROCESS - This disclosure relates to a flue providing improved heat transfer comprising an inner layer and an outer layer, wherein the inner layer comprises a high thermal conductivity ceramic having a thermal conductivity of at least 91 W/m-K (@300K) and a Moh's hardness of at least 6.5, and comprises a plurality of protuberances | 03-08-2012 |
| 20120219494 | PROCESS FOR IN-SITU FORMATION OF CHLORIDES OF SILICON, ALUMINUM AND TITANIUM IN THE PREPARATION OF TIATANIUM DIOXIDE - This disclosure relates to a process for producing titanium dioxide, comprising: reacting aluminum and an alloy comprising silicon and titanium having a silicon content of at least 5%, based on the weight of the ahoy, with chlorine gas at temperatures above 190° C. to form chlorides of silicon, aluminum and titanium; adding titanium tetrachloride to the chlorides of silicon, aluminum and titanium; oxidizing the chlorides of silicon, aluminum and titanium and titanium tetrachloride; and forming titanium dioxide. | 08-30-2012 |
| 20130058860 | Method for Manufacturing Titanium Dioxide - The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a plug flow reactor, wherein the titanium tetrachloride is introduced into the reactor in at least two stages and is used exclusively in liquid form. The total quantity of liquid TiCl | 03-07-2013 |
| 20150329372 | TITANIUM DIOXIDE PRODUCTION, AND METHODS OF CONTROLLING PARTICLE SIZE THEREOF - Disclosed is a method/system for the production of titanium dioxide particles. The titanium dioxide particles are produced by oxidizing titanium tetrachloride in the presence of an agent which includes ultrafine titanium dioxide particles, and optionally, the presence of a Group | 11-19-2015 |
