| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 502349000 | Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb) | 26 |
| 502350000 | Of titanium | 26 |
| 20080207440 | PROCESS FOR MAKING PHOTOCATALYTIC MATERIALS - A method of making amorphous metal peroxide solution includes mixing hydrogen peroxide and an amorphous metal hydroxide mixture to form a hydrogen peroxide and amorphous metal hydroxide mixture, and simultaneously heating and applying pressure above atmospheric pressure to the hydrogen peroxide and amorphous metal hydroxide mixture for a period of time to form the amorphous metal peroxide solution. | 08-28-2008 |
| 20080234126 | Method for preparing vanadium/titania-based catalyst for removing nitrogen oxide at low temperature - Disclosed is a method of preparing a vanadium/titania-based catalyst containing non-stoichiometric vanadium and titanium having excellent ability to remove nitrogen oxides at a wide temperature window, particularly, at a relatively low temperature window of 300° C. or lower. | 09-25-2008 |
| 20090054231 | METHOD FOR PREPARING NANOSTRUCTURED VANADIA-TITANIA CATALYSTS USEFUL FOR DEGRADING CHLORINATED ORGANIC COMPOUNDS BY A FLAME SPRAY PROCESS - The present invention discloses methods for preparing vanadia-titania catalysts in the form of nanostructured particles, where vanadia particles are dispersed at the surface of a titanium dioxide carrier and attached thereto, which are useful for degrading chlorinated organic compounds. The method of the present invention has a number of advantages in that: (i) it is capable of producing vanadia-titania catalysts by a relatively simple process as compared to the conventional wet-type method; (ii) the size of the catalyst particles can be easily regulated; and (iii) the vanadia-titania catalysts prepared according to the method of the present invention exhibit excellent degradation efficiency with respect to chlorinated organic compounds even at a low temperature, compared to catalysts prepared by the wet-type method, due to their nanostructure that provides the catalysts with large reactive surface area and high physical stability. | 02-26-2009 |
| 20100062931 | POROUS TITANIUM DIOXIDE COATINGS AND METHODS OF FORMING POROUS TITANIUM DIOXIDE COATINGS HAVING IMPROVED PHOTOCATALYTIC ACTIVITY - Methods for forming porous anatase titanium dioxide coatings are disclosed. Sol-gel compositions are prepared having at least one porosity agent, are applied to a substrate, and at least one porosity agent is removed. Porous anatase titanium dioxide coatings having at least one of improved antimicrobial properties, self-cleaning properties, hydrophilicity, and/or temperability are also disclosed. Substrates comprising such coatings are also disclosed. | 03-11-2010 |
| 20100105549 | METHOD FOR MAKING METAL/TITANIA PULP AND PHOTOCATALYST - A method for making a metal-titania pulp and photocatalyst is provided, including firstly acidically hydrolyzing a titanium alkoxide solution in presence of an alcohol solvent to get a colloidal solution; then, adding at least one metal salt solution into the colloidal solution to produce a nano-porous metal/titania photocatalyst under appropriate conditions by appropriate reaction. The nano-porous metal/titania photocatalyst thus prepared has excellent optical activity and is applicable in research of water decomposition with light to improve production efficiency of hydrogen energy. In addition, the photocatalyst is further processed in the form of powder or film to facilitate industrial application in wastewater treatment. | 04-29-2010 |
| 20100190643 | DEACTIVATION RESISTANT PHOTOCATALYST AND METHOD OF PREPARATION - A photocatalyst formed using a sol-gel process provides high photo activity, increased photocatalyst lifetime, and improved resistance to performance degradation caused by siloxane-based contaminants. The photocatalyst comprises particles of photocatalytically-active oxide having a surface area of greater than about 190 m | 07-29-2010 |
| 20100234218 | TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY - Provided is a crystalline TiO | 09-16-2010 |
| 20100240531 | PROCESS FOR PRODUCING TITANIUM OXIDE LAYERS - The present invention relates to a process for the vacuum-based deposition of a titanium oxide layer from the gas phase on a substrate, wherein deposition is carried out from a source containing titanium oxide at a deposition rate of less than 25 nm/s in an oxygen-containing atmosphere and at a substrate temperature of less than 500° C. and, after deposition, the coated substrate is heat treated for a period of at least 30 minutes in an oxygen-containing atmosphere at temperatures in the range from 200° C. to 1000° C. | 09-23-2010 |
| 20100285955 | HIGHLY PHOTOSENSITIVE TITANIUM DIOXIDE AND PROCESS FOR FORMING THE SAME - A highly photosensitivity titanium oxide composition includes a plurality of nanosize particles including titanium dioxide and titanium suboxide. The particles are substantially non-stoichiometric (TiO | 11-11-2010 |
| 20110003684 | 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 the need for a sintering process at high temperatures. | 01-06-2011 |
| 20110045970 | POROUS TITANIUM DIOXIDE COATINGS AND METHODS OF FORMING POROUS TITANIUM DIOXIDE COATINGS HAVING IMPROVED PHOTOCATALYTIC ACTIVITY - Methods for forming porous anatase titanium dioxide coatings are disclosed. Sol-gel compositions are prepared having at least one porosity agent, are applied to a substrate, and at least one porosity agent is removed. Porous anatase titanium dioxide coatings having at least one of improved antimicrobial properties, self-cleaning properties, hydrophilicity, and/or temperability are also disclosed. Substrates comprising such coatings are also disclosed. | 02-24-2011 |
| 20120165186 | STABLE NANO TITANIA SOLS AND A PROCESS FOR THEIR PRODUCTION - The present invention provides a process for producing a concentrated aqueous nano titania sol in the mild pH range (4.0 to 10.0) comprising contacting an acidic nano titania sol with a dispersant and with an alkalizing agent, and subjecting the nano titania sol to membrane filtration until the nano titania sol contains more than 300 g TiO | 06-28-2012 |
| 20120190540 | METHOD FOR FORMING THERMALLY STABLE NANOPARTICLES ON SUPPORTS - An inverse micelle-based method for forming nanoparticles on supports includes dissolving a polymeric material in a solvent to provide a micelle solution. A nanoparticle source is dissolved in the micelle solution. A plurality of micelles having a nanoparticle in their core and an outer polymeric coating layer are formed in the micelle solution. The micelles are applied to a support. The polymeric coating layer is then removed from the micelles to expose the nanoparticles. A supported catalyst includes a nanocrystalline powder, thin film, or single crystal support. Metal nanoparticles having a median size from 0.5 nm to 25 nm, a size distribution having a standard deviation ≦0.1 of their median size are on or embedded in the support. The plurality of metal nanoparticles are dispersed and in a periodic arrangement. The metal nanoparticles maintain their periodic arrangement and size distribution following heat treatments of at least 1,000° C. | 07-26-2012 |
| 20120214667 | VISIBLE-LIGHT-RESPONSIVE TITANIUM OXIDE MICROPARTICLE DISPERSION, AND PROCESS FOR PRODUCTION THEREOF - Disclosed are: a visible-light-responsive titanium oxide microparticle dispersion comprising an aqueous dispersion medium and titanium oxide microparticles dispersed therein, and a peroxotitanium component, an iron component and/or a copper component and a tin component, wherein the content of the peroxotitanium component is 0.1 to 20 mass % relative to the titanium oxide content; and a process for producing a visible-light-responsive titanium oxide microparticle dispersion, comprising (1) producing peroxotitanic acid containing a tin compound from a raw material titanium compound, a tin compound and hydrogen peroxide, (2) heating an aqueous solution of peroxotitanic acid containing the tin compound to 80 to 250° C. under a high pressure to produce a titanium oxide microparticle dispersion containing a peroxotitanium component and a tin component, and (3) adding an iron compound and/or a copper compound to the titanium oxide microparticle dispersion to cause a reaction between the iron compound and/or the copper compound with the dispersion. | 08-23-2012 |
| 20130079219 | Method of Preparing High Crystalline Nanoporous Titanium Dioxide at Room Temperature - Disclosed is a method of preparing high crystalline nanoporous titanium dioxide, in which the high crystalline nanoporous titanium dioxide, which is harmless to the human body and self-purified through the decomposition of organic matters, is prepared in mass production at the room temperature through a simply synthesis method. The method includes the steps of (a) mixing a titanium precursor and a surfactant in a solvent and performing a sol-gel reaction at a room temperature; (b) maturing a reactant obtained through the sol-gel reaction at the room temperature; (c) filtering the matured reactant and washing the matured reactant; and (d) drying the washed reactant to obtain titanium dioxide having nanopores. | 03-28-2013 |
| 20130102458 | Titanate and titania nanostructures and nanostructure assemblies, and methods of making same - The invention relates to nanomaterials and assemblies including, a micrometer-scale spherical aggregate comprising: a plurality of one-dimensional nanostructures comprising titanium and oxygen, wherein the one-dimensional nanostructures radiate from a hollow central core thereby forming a spherical aggregate. | 04-25-2013 |
| 20140018237 | VANADIA-TITANIA CATALYST FOR REMOVING NITROGEN OXIDES AND METHOD FOR MANUFACTURING THE SAME - Provided is a method for preparing a vanadia-titania catalyst, comprising: vaporizing a titanium precursor; conveying the vaporized titanium precursor to a reaction unit together with an oxygen supplying source; reacting the vaporized titanium precursor conveyed to the reaction unit with the oxygen supplying source to produce titania particles; condensing the titania particles, collecting and recovering them; mixing the recovered titania particles with a vanadium precursor solution; drying the mixture of the titania particles with the vanadium precursor solution; and calcining the dried mixture under oxygen atmosphere or air. Provided also is a vanadia-titania catalyst obtained by the method. In the vanadia-titania catalyst, titania particles (carriers) are prepared by chemical vapor condensation, and then vanadia is supported on the titania particles (carriers) through impregnation and calcining. Therefore, the vanadia-titania catalyst has a large specific surface area, uniform and fine nano-scaled size, and high dispersibility, thereby providing excellent nitrogen oxide removal efficiency, particularly in a low temperature range of 200° C.-250° C. | 01-16-2014 |
| 20140128252 | PEROVSKITE OXIDE CONTAINING HYDRIDE ION, AND METHOD FOR MANUFACTURING SAME - [Problem] Many oxide-ion conductors exhibit high functionality at high temperatures due to the large weight and charge of oxide ions, and it has been difficult to achieve the functionality at low temperatures. | 05-08-2014 |
| 20140336046 | METHOD FOR COLD GAS SPRAYING - The invention relates to a method for cold gas spraying in which a spray powder containing photocatalytically active spray particles is accelerated by means of a carrier gas in a nozzle and forms a coating upon striking a substrate. According to the invention, the method is characterized in that at least one part of the photocatalytically active spray particles consists of nanocrystalline agglomerates having a porosity of 200 to 800 m | 11-13-2014 |
| 20150057151 | MESOPOROUS TITANIUM DIOXIDE NANOPARTICLES AND PROCESS FOR THEIR PRODUCTION | 02-26-2015 |
| 20150080213 | Synthesis of Pyrochlore Nanostructures and Uses Thereof - A template-free reverse micelle (RM) based method is used to synthesize pyrochlore nanostructures having photocatalytic activity. In one embodiment, the method includes separately mixing together a first acid stabilized aqueous solution including pyrochlore precursor A and a second acid stabilized aqueous solution including pyrochlore precursor B with an organic solution including a surfactant to form an oil-in-water emulsion. Next, equimolar solutions of the first and second acid stabilized oil-in-water emulsions are mixed together. Then, the mixture of the first and second acid stabilized oil-in-water emulsion is treated with a base to produce a precipitate including pyrochlore precursors A and B. After which, the precipitate is dried to remove volatiles. The precipitate is then calcined in the presence of oxygen to form a pyrochlore nanostructure, such as a bismuth titanate (Bi | 03-19-2015 |
| 20150087506 | NANOSTRUCTURED TITANIA CATALYST WITH STABILIZED ACIDITY AND PROCESS THEREOF - The present invention is directed to a process for obtaining a nanostructured titania catalyst with stabilized acidity through the sol-gel method and hydrotreatment and thermal activation; constituted basically by titanium oxide, specially characterized of being as nanostructures in its evolution nanocrystals-nanotubes-nanocrystals, that gives special physicochemical properties such as high specific area, purity and phases stability, acidity stability and different types of active acid sites, such as a capacity to disperse and stabilize metallic particles with high activity mainly in catalytic processes. | 03-26-2015 |
| 20150105249 | METAL SUBOXIDE AND METHODS OF PREPARING SAME - A metal suboxide having a specific surface area of greater than or equal to about 1.5 m | 04-16-2015 |
| 20150336082 | CATALYTIC SUBSTRATE SURFACE - There is disclosed a catalytic substrate surface where in the substrate surface comprises particles in the size range 2-500 nm, said particles comprising TiO | 11-26-2015 |
| 20160008804 | PHOTOCATALYTIC ELEMENT FOR PURIFICATION AND DISINFECTION OF AIR AND WATER AND METHOD FOR THE PRODUCTION THEREOF | 01-14-2016 |
| 502351000 | And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl) | 1 |
| 20120270730 | EXHAUST GAS CATALYST CARRIER, EXHAUST GAS CATALYST EMPLOYING THE EXHAUST GAS CATALYST CARRIER, AND METHOD OF MANUFACTURING THE EXHAUST GAS CATALYST CARRIER - An exhaust-gas catalyst carrier made of a composite of θ-alumina and a zirconia-titania solid solution, an exhaust-gas catalyst employing the exhaust-gas catalyst carrier, and a method of manufacturing the exhaust-gas catalyst carrier are provided. | 10-25-2012 |
