Class / Patent application number | Description | Number of patent applications / Date published |
502200000 | Nitrogen compound containing | 30 |
20090005238 | Modified Nanostructured Titania Materials and Methods of Manufacture - Provided is a method for synthesising a substantially size homogenous composition of titanium (IV) oxide (titania) nanoparticles comprising, synthesising a titania inorganic crystalline matrix within a sol gel reaction process under conditions that constrain the growth of the matrix such that a majority of the nanoparticles are of a narrow size distribution in the composition and do not exceed a maximum diameter of around 100 nm. The sol gel reaction process can occur under aqueous conditions, or within an organic polymer matrix under non-aqueous conditions. Aqueous dispersions and pastes comprising the substantially size homogenous composition of titanium (IV) oxide nanoparticles are also provided. The titanium (IV) oxide nanoparticles demonstrate improved photoactivity when exposed to UV irradiation, and can also include visible light absorbing centres such that activity is extended into the visible light range. | 01-01-2009 |
20090131248 | NOVEL NANOPOROUS MATERIALS - The invention provides a nanoporous non-oxide material which comprises a modified derivative of silicon nitride and comprises a plurality of nanoscale pores. The nanoporous non-oxide material is preferably prepared by means of a sol-gel procedure and preferably comprises a metal-containing derivative of silicon nitride [SiN | 05-21-2009 |
20090181846 | PROCESS FOR PREPARING CATALYST FOR SYNTHESIS OF CARBON NANOTUBES USING SPRAY PYROLYSIS - An apparatus for preparing a catalyst for carbon nanotubes using spray pyrolysis and a method for preparing the catalyst are disclosed. The apparatus comprises a plurality of raw material tanks, an agitator to mix raw materials respectively supplied from the raw material tanks, a drier to spray the mixture supplied from the agitator and thus to heat and bake the same, and a storage to store a dried material discharged from the drier. The method comprises supplying a plurality of raw materials, mixing the raw materials with one another, spraying the raw material mixture in a liquid state and drying the same at a high temperature, and storing a catalyst generated in the drying process. | 07-16-2009 |
20100016148 | PROCESS FOR PREPARING CATALYST FOR SYNTHESIS OF CARBON NANOTUBES USING SPRAY PYROLYSIS - An apparatus for preparing a catalyst for carbon nanotubes using spray pyrolysis and a method for preparing the catalyst are disclosed. The apparatus comprises a plurality of raw material tanks, an agitator to mix raw materials respectively supplied from the raw material tanks, a drier to spray the mixture supplied from the agitator and thus to heat and bake the same, and a storage to store a dried material discharged from the drier. The method comprises supplying a plurality of raw materials, mixing the raw materials with one another, spraying the raw material mixture in a liquid state and drying the same at a high temperature, and storing a catalyst generated in the drying process. | 01-21-2010 |
20100022384 | Partially Deactivated Metal Catalysts and Methods for Preparing the Same - Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to deposit the iron nanoparticles thereon, nitriding the iron nanoparticles using a nitrogen plasma, and exposing the nitrided iron nanoparticles to a mixture of ethanol and nitric acid to remove iron from the surface of the nitrided nanoparticles. The iron nitride metal catalyst with a nano-size according to the present invention comprises a core that includes deactivated iron nitride and an active shell surrounding the core. Thus, when preparing a carbon nanotube, the metal catalyst can be effectively used to control the number of walls formed in the carbon nanotube. | 01-28-2010 |
20100041547 | METHOD FOR PRODUCTION OF CATALYST AND CATALYST PRODUCED BY THE METHOD - A method for producing a catalyst of the present invention is characterized by sequentially performing the steps of: (i) dipping an end face portion of a carrier structure having a catalytic component carried thereon in an aqueous metal salt solution at a concentration of 2.7 to 3.88 mol/L in terms of mole of the metal; (ii) drying the dipped end face portion; (iii) dipping the dried end face portion again in an aqueous metal salt solution whose metal species is the same as that in the aqueous metal salt solution at a concentration of 2.7 to 3.88 mol/L in terms of mole of the metal; and (iv) performing a calcination treatment to harden the catalytic end face. | 02-18-2010 |
20100041548 | PROCESS FOR THE MANUFACTURE OF METHYLMERCAPTAN - The present invention refers to a continuous process for the manufacture of methyl mercaptan using Mo—O—K-based catalysts. It is further described that the total selectivity of methylmercaptan can be increased by at least 1% by lowering the total gas hourly space velocity. The invention further refers to a process for the preparation of a solid, preformed catalyst system. | 02-18-2010 |
20100069229 | Method For Synthesising A Nano-Product - A method for the synthesis of nano-products, such as atomic titanium oxide wires. The method allows wires of anatase titanium oxide wires to be formed in a range of tunable diameters and aspect ratios in the nanometer and subnanometer size scales. The method also allows the titanium wires to be capped by oleic acid to enhance dispersing and solubility. The method allows the titanium wires to be surface doped with nitrogen species to enhance stability and functionality such as enhanced absorption in the visible wavelength region, which is useful for photodegradation of organic wastes in water by sunlight. | 03-18-2010 |
20100144519 | METHOD FOR PRODUCING STABLE, HIGH-PURITY MOLDED BODIES FROM PYROGENIC METAL OXIDES WITHOUT THE ADDITION OF BINDERS - Shaped bodies with good strength properties are prepared from pyrogenic metal oxide(s) by suspending the metal oxide(s) in a liquid, milling to activate the metal oxide particles, forming an activated homogenous suspension, coagulating the suspension, and forming shaped bodies therefrom. | 06-10-2010 |
20100248948 | PHOTOCATALYST DISPERSION ELEMENT, METHOD FOR PRODUCING PHOTOCATALYST DISPERSION ELEMENT, PHOTOCATALYST BODY, AND METHOD FOR PRODUCING PHOTOCATALYST BODY - A photocatalyst dispersion element includes: a photocatalytic material; a solvent; and an ion additive. The ion additive generates a cation having a smaller ion radius than a tetramethylammonium ion in the solvent. | 09-30-2010 |
20100317511 | MANUFACTURING METHOD OF HEXAFLUOROPHOSPHATE - In the manufacturing method of hexafluorophosphate (MPF | 12-16-2010 |
20110028311 | Visible Light Activatable Photocatalyst - A visible light activatable mesoporous titanium dioxide photocatalyst having a surface area of from 100 m | 02-03-2011 |
20110034329 | METHOD FOR FORMING POROUS MATERIAL IN MICROCAVITY OR MICROPASSAGE BY MECHANICOCHEMICAL POLISHING - A surface of a substrate comprising microcavities leading out of the substrate is placed in contact with an aqueous solution comprising a plurality of suspended particles and a fabric. Perpendicular pressure is applied the expanse of the substrate between the fabric and the surface of the substrate, and relative movement of the fabric and the surface is applied to the expanse of the substrate. At least one particle is thus fed into each microcavity, therein forming a porous material that is a catalyst material for nanothread or nanotube growth. | 02-10-2011 |
20110124496 | Hydroprocessing Bulk Catalyst and Methods of Making Thereof - A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (R | 05-26-2011 |
20110130272 | TITANATE PHOTOCATALYST - The invention relates to a titanate photocatalyst of formula (I): H | 06-02-2011 |
20120149556 | PHOTOCATALYTIC MATERIAL - One subject of the invention is a material comprising a substrate coated on at least one portion of at least one of its faces with a stack comprising a photocatalytic layer, the geometrical thickness of which is between 2 and 30 nm, and at least one pair of respectively high and low refractive index layers positioned underneath said photocatalytic layer so that in the or each pair, the or each high refractive index layer is closest to the substrate, said material being such that the optical thickness, for a wavelength of 350 nm, of the or each high refractive index layer, except the photocatalytic layer, is between 170 and 300 nm and the optical thickness, for a wavelength of 350 nm, of the or each low refractive index layer is between 30 and 90 nm. | 06-14-2012 |
20150111725 | PHOTOCATALYTIC THIN FILM DEVICES - Novel photocatalytic devices are disclosed, that utilize ultrathin titania based photocatalytic materials formed on optical elements with high transmissivity, high reflectivity or scattering characteristics, or on high surface area or high porosity open cell materials. The disclosure includes methods to fabricate such devices, including MOCVD and ALD. The disclosure also includes photocatalytic systems that are either standalone or combined with general illumination (lighting) utility, and which may incorporate passive fluid exchange, user configurable photocatalytic optical elements, photocatalytic illumination achieved either by the general illumination light source, dedicated blue or UV light sources, or combinations thereof, and operating methodologies for combined photocatalytic and lighting systems. The disclosure also includes photocatalytic materials incorporated on the surface of packaged LEDs, LED lamps and LED luminaires, with photocatalytic materials incorporated on optically useful luminaire surfaces or on the surface of the remote phosphor. The disclosure also includes ultrathin photocatalytic materials incorporated on surfaces to affect antibacterial and antiviral properties. | 04-23-2015 |
20150298973 | Titanium Oxynitride Having Titanium Deficiency-Type Halite Structure - Provided are titanium oxynitride having a titanium deficiency-type halite structure (Ti | 10-22-2015 |
20160136631 | PHOTOSTABLE COMPOSITE FOR SOLAR WATER SPLITTING AND PROCESS FOR THE PREPARATION THEREOF - The present invention discloses photostable composite of indium gallium nitride and zinc oxide for solar water splitting, comprising Indium content in the range of 1-40 wt %, Ga content in the range of 1 to 15 wt %, nitrogen content in the range of 0.1 to 5 wt %, and the remaining is ZnO. The combustion synthesis comprises the steps of: (a) dissolving 45 to 55 wt % urea, 75 to 80 wt % Zinc nitrate, 3 to 5 wt % Gallium nitrate, and 15 to 20 wt % Indium nitrate in water with stirring until a homogenous solution is formed; and (b) heating the homogenous solution of step (a) at a temperature in the range of 450-550 [deg.]C for period in the range of 2 to 20 min to obtain the photostable composite. | 05-19-2016 |
20160193596 | PHOTOCATALYST FOR WATER SPLITTING, PRODUCTION METHOD FOR SAME, AND PHOTOELECTRODE FOR WATER SPLITTING | 07-07-2016 |
502201000 | Nitrate | 10 |
20080207436 | Catalyst Manufacture - A method is described for lowering the nitrate content in a cobalt catalyst precursor formed by impregnating a catalyst support with cobalt nitrate, comprising calcining the impregnated support in air to effect partial denitrification and subsequently heating the calcined impregnated support to a temperature below 250° C. in the presence of a gas mixture comprising 0.1-10% hydrogen by volume in an inert gas. | 08-28-2008 |
20080280755 | Isomerization Catalyst and Process - A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a phosphorus component, and at least one platinum-group metal component which is preferably platinum. The catalyst has a structure other than a hetropoly anion structure. | 11-13-2008 |
20090298678 | STRENGTHENING IRON FISCHER-TROPSCH CATALYST BY CO-FEEDING IRON NITRATE AND PRECIPITATING AGENT OR SEPARATELY PRECIPITATING FROM FERROUS NITRATE AND FERRIC NITRATE SOLUTIONS - A method of producing a catalyst precursor comprising iron phases by co-feeding a ferrous nitrate solution and a precipitation agent into a ferric nitrate solution to produce a precipitation solution having a desired ferrous:ferric nitrate ratio and from which catalyst precursor precipitates; co-feeding a ferric nitrate solution and a precipitation agent into a ferrous nitrate solution to produce a precipitation solution having a desired ferrous:ferric nitrate ratio and from which catalyst precursor precipitates; or precipitating a ferrous precipitate from a ferrous nitrate solution by contacting the ferrous nitrate solution with a first precipitation agent; precipitating a ferric precipitate from ferric nitrate solution by contacting the ferric nitrate solution with a second precipitation agent and combining the ferrous and ferric precipitates to form the catalyst precursor, wherein the ratio of ferrous:ferric precipitates is a desired ratio. | 12-03-2009 |
20100152032 | Aircraft Air Treatment Catalysts, Systems and Methods - Aircraft catalysts, systems, and methods are disclosed. In one or more embodiments, the catalysts comprise a substrate, at least a first washcoat layer on the substrate comprising a refractory metal oxide support having a catalytic metal component dispersed on the refractory metal oxide support, and an overcoat washcoat layer on the first layer comprising a manganese component. Catalysts prepared in accordance with embodiments of the invention exhibit improved life when used in aircraft. | 06-17-2010 |
20100234215 | CATALYST AND PROCESS FOR THE CONVERSION OF NITROUS OXIDE - A catalyst composition and a process for using it to decompose nitrous oxide into nitrogen and oxygen are disclosed. The catalyst composition has surface area of about 1 to about 200 m | 09-16-2010 |
20100298126 | HIGHLY ACIDIC CATALYST FOR USE IN FLUID CATALYTIC CRACKING - A particulate unsupported superacid catalyst for use in fluid catalytic cracking is provided comprising doped silica which has been doped with from about 1 to about 99 wt %, based on the weight of the catalyst composition, of at least one inorganic oxide dopant selected from the group consisting of rare earth metal oxides, alkaline earth metal oxides, zinc oxide, magnesium oxide, manganese oxide, yttrium oxide, niobium oxide, zirconium oxide and titanium oxide, and wherein the doped silica has been anion-modified by an anion selected from the group consisting of phosphate, tungstate, and sulphate. | 11-25-2010 |
20110082029 | ALUMINA CARRIERS AND SILVER-BASED CATALYSTS FOR THE PRODUCTION OF ALKYLENE OXIDES - An improved carrier useful for preparing a catalyst having excellent catalytic performance when used in the production of alkylene oxide, such as ethylene oxide. The carrier is obtained by a) impregnating a preformed alpha-alumina carrier with at least one modifier selected from among alkali metal silicates and alkaline earth metal silicates, b) drying the impregnated carrier; and c) calcining dried carrier. The carrier may optionally be washed, prior to being impregnated by conventional catalytic material and/or promoter material. | 04-07-2011 |
20130035228 | CATALYST PRODUCTION METHOD AND CATALYST PRODUCTION APPARATUS, AND METHOD FOR CONTROLLING CHARACTERISTICS OF REACTION LAYER FOR FUEL CELL USING THE CATALYST - The present invention is directed to improving a catalyst applied to a reaction layer having a structure (PFF structure) in which a polymer electrolyte phase surrounds a periphery of a catalyst with a hydrophilic region interposed therebetween and reducing the amount of catalyst metal particles used. | 02-07-2013 |
20130288889 | VISIBLE LIGHT SENSITIVE PHOTOCATALYST, METHOD OF PRODUCING VISIBLE LIGHT SENSITIVE PHOTOCATALYST, AND ELECTROCHEMICAL WATER DECOMPOSITION CELL AND ORGANIC MATERIAL DECOMPOSITION SYSTEM EACH INCLUDING VISIBLE LIGHT SENSITIVE PHOTOCATALYST - A visible light sensitive photocatalyst including: a composite including a first metal oxide, a second metal oxide, and a heterojunction therebetween, wherein the first and second metal oxides each include a Group 11 metal, wherein a first bond between metal atoms of the first metal oxide has a length that is smaller than a Van der Waals distance between the metals of the first bond, wherein a second bond between metal atoms of the second metal oxide has a length that is smaller than a Van der Waals distance between the metals of the second bond, and, wherein the composite has a band gap energy of about 1.0 eV to about 2.5 eV. | 10-31-2013 |
20140005039 | PROCESS FOR PREPARING CATALYST | 01-02-2014 |