| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423439000 | Binary compound (e.g., carbide, etc.) | 25 |
| 20090098040 | FLUORINE STORAGE MATERIAL - There is provided a fluorine storage material comprising a novel fluorinated carbon nanohorn, which stores a large amount of fluorine per its unit mass, withstand repeated use for fluorine storage, and enables a high purity fluorine gas to be taken out by a safe and efficient method, and also there is provided a method of taking out a fluorine gas by applying heat to the fluorine storage material or placing the fluorine storage material in a pressure-reduced atmosphere. | 04-16-2009 |
| 20100034725 | Preferential Growth of Single-Walled Carbon Nanotubes with Metallic Conductivity - The present disclosure is directed to a method of producing metallic single-wall carbon nanotubes by treatment of carbon nanotube producing catalysts to obtain the desired catalyst particle size to produce predominantly metallic single wall carbon nanotubes. The treatment of the carbon nanotube producing catalyst particles involves contacting the catalyst particles with a mixture of an inert gas, like He, a reductant, such as H | 02-11-2010 |
| 20100074830 | INDIVIDUALIZED JEWELLERY ALLOYS AND METHOD FOR THEIR PRODUCTION - A method for the individualization of a metallic material by means of a carbon-containing basic material of organic origin is proposed. The novel method makes it possible to produce individualized ornamental alloys and individualized symbolic articles, such as pieces of jewelry, in a first step a carbon-containing organic basic material, which originates from at least one specific clearly identifiable person or a clearly identifiable group of persons, being converted into a carbonized initial material, and, in a second step, a physical and chemical incorporation of at least a fraction of the carbonized initial material into the metallic material taking place. The novel method and the novel ornamental alloys make it possible to produce symbolic articles with a direct material or substantive relation to a desired person by simple means, without creative freedom being restricted. | 03-25-2010 |
| 20100158787 | Method of Preparing Metal Carbide and Metal Carbide Prepared Using the Same - Disclosed is a method of preparing metal carbide including: applying physical force to a mixture of metal or metal oxide with carbonaceous material to provide a hybrid particle in which the carbonaceous material is filled inside the metal or metal oxide, or the carbonaceous material is coated onto the surface of the metal or metal oxide or the metal or metal oxide is filled inside the carbonaceous material, or the metal or metal oxide is coated onto the surface of the carbonaceous material and heating the hybrid particle; and a metal carbide prepared therefrom. | 06-24-2010 |
| 20100189626 | HIGH EFFICIENT CARBON NANOTUBE SEPARATION METHOD - Provided is a method of electrophoresis of carbon nanotube for separating them into metallic carbon nanotubes and semiconducting carbon nanotubes, and the method comprises a step of electrifying a carbon nanotube sealed gel in which carbon nanotubes are dispersed in a gel. | 07-29-2010 |
| 20100202956 | PROCESS FOR MANUFACTURING CARBON COATED NANOPARTICLES OF A TRANSITION METAL OXIDE - The invention relates to a method for producing nanoparticles of at least one oxide of a transition metal selected from Ti, Zr, Hf, V, Nb and Ta, which are coated with amorphous carbon, wherein said method includes the following successive steps: (i) a liquid mixture containing as precursors at least one alkoxyde of the transition metal, an alcohol, and an acetic acid relative to the transition metal is prepared and diluted in water in order to form an aqueous solution, the precursors being present in the solution according to a molar ratio such that it prevents or sufficiently limits the formation of a sol so that the aqueous solution can be freeze-dried, and such that the transition metal, the carbon and the oxygen are present in a stoichiometric ratio according to which they are included in the nanoparticles; (ii) the aqueous solution is freeze-dried; (ii) the freeze-dried product obtained during the preceding step is submitted to pyrolysis under vacuum or in an inert atmosphere in order to obtain the nanoparticles. The invention also relates to the application of the method for producing transition metal carbide. | 08-12-2010 |
| 20100221172 | Transparent Electroconductive Thin Film and Its Production Method - Provided are a transparent electroconductive thin film of single-walled carbon nanotubes and its production method capable of further enhancing the electroconductivity and the light transmittance of the film and capable of simplifying the thin film formation process. The method comprises: dispersing single-walled carbon nanotubes of mixed metallic single-walled carbon nanotubes (m-SWNTs) and semiconductor single-walled carbon nanotubes (s-SWNTs) in an amine solution containing an amine having a boiling point of from 20 to 400° C. as a dispersant; centrifuging or filtering the resulting dispersion to concentrate m-SWNTs, thereby giving a dispersion rich in m-SWNTs; and applying the resulting dispersion rich in m-SWNTs onto a substrate to form a thin film thereon. | 09-02-2010 |
| 20100226847 | Method for direct, chirality-selective synthesis of semiconducting or metallic single-walled carbon nanotubes - The present invention is a method comprising a direct chirality-selective nucleation and synthesis of single-walled carbon nanotubes from carbon-containing gases using catalytic nanoparticles of uniform size heated by ultra-short laser pulses of selected frequency to temperatures sufficient for carbon nanotube nucleation and synthesis. | 09-09-2010 |
| 20110008239 | METHOD AND APPARATUS USING CARBON NANOTUBES FOR HYDROGEN STORAGE - A method of storing hydrogen using carbon nanotubes having a diameter ranging from 0.6-0.8 nm. The hydrogen may be stored in a container which is made of another material. The carbon nanotubes may be provided inside the container for adsorbing the hydrogen. | 01-13-2011 |
| 20110091370 | Mechanochemical Synthesis of Carbon Fluorides and an Electrochemical Cell using the Synthesized Carbon Fluorides - Carbon fluoride is synthesized by reactively or high intensity/energy milling at ambient room temperature carbon-containing material (such as graphite, carbon black, coke, or other carbon-based material) with an inorganic fluoride agent (such as cobalt trifluoride) other than fluorine gas. The following chemical reaction occurs: xC+CoF | 04-21-2011 |
| 20120134909 | POROUS NANOSTRUCTURED POLYIMIDE NETWORKS AND METHODS OF MANUFACTURE - Porous three-dimensional networks of polyimide and porous three-dimensional networks of carbon and methods of their manufacture are described. For example, polyimide aerogels are prepared by mixing a dianhydride and a diisocyanate in a solvent comprising a pyrrolidone and acetonitrile at room temperature to form a sol-gel material and supercritically drying the sol-gel material to form the polyimide aerogel. Porous three-dimensional polyimide networks, such as polyimide aerogels, may also exhibit a fibrous morphology. Having a porous three-dimensional polyimide network undergo an additional step of pyrolysis may result in the three dimensional network being converted to a purely carbon skeleton, yielding a porous three-dimensional carbon network. The carbon network, having been derived from a fibrous polyimide network, may also exhibit a fibrous morphology. | 05-31-2012 |
| 20140219906 | GRAPHENE-NANO PARTICLE COMPOSITE HAVING NANO PARTICLES CRYSTALLIZED THEREIN AT A HIGH DENSITY - The present invention relates to a graphene-nanoparticle composite having a structure in which nanoparticles are crystallized in a carbon-based material, for example, graphene, at a high density, and, more particularly, to a graphene-nanoparticle composite capable of remarkably improving physical properties such as contact characteristics between basal planes of graphene and conductivity, wherein nanoparticles are included as a large amount of 30% by weight or more, based on 100% by weight of graphene, and crystallized nanoparticles have an average particle diameter of 200 nm or more, and a method of preparing the same. | 08-07-2014 |
| 423440000 | Refractory metal containing | 7 |
| 20100284895 | TANTALUM CARBIDE, METHOD FOR PRODUCING TANTALUM CARBIDE, TANTALUM CARBIDE WIRING AND TANTALUM CARBIDE ELECTRODE - It is an object of the present invention to provide a method for manufacturing tantalum carbide which can form tantalum carbide having a prescribed shape using a simple method, can form the tantalum carbide having a uniform thickness even when the tantalum carbide is coated on the surface of an article and is not peeled off by a thermal history, tantalum carbide obtained by the manufacturing method, wiring of tantalum carbide, and electrodes of tantalum carbide. | 11-11-2010 |
| 20110027162 | SYSTEMS AND METHODS RELATED TO THE FORMATION OF CARBON-BASED NANOSTRUCTURES - Systems and methods for the formation of carbon-based nanostructures are generally described. In some embodiments, the nanostructures may be formed on a nanopositor. The nanopositor can comprise, in some embodiments, at least one of metal atoms in a non-zero oxidation state and metalloid atoms in a non-zero oxidation state. For example, the nanopositor may comprise a metal oxide, a metalloid oxide, a metal chalcogenide, a metalloid chalcogenide, and the like. The carbon-based nanostructures may be grown by exposing the nanopositor, in the presence or absence of a growth substrate, to a set of conditions selected to cause formation of carbon-based nanostructures on the nanopositor. In some embodiments, metal or metalloid atoms in a non-zero oxidation state are not reduced to a zero oxidation state during the formation of the carbon-based nanostructures. In some cases, metal or metalloid atoms in a non-zero oxidation state do not form a carbide during the formation of the carbon-based nanostructures. | 02-03-2011 |
| 20130004407 | METHOD FOR PREPARING ULTRAFINE TUNGSTEN CARBIDE POWDER - A method for preparing ultrafine powder of tungsten carbide using ultrafine tungsten powder and carbon black as raw materials is provided. The following steps are included: (1) passivation of the ultrafine tungsten powder: passivating the ultrafine tungsten powder under pure carbon dioxide; (2) carbon addition: mixing the ultrafine tungsten powder with carbon black powder after applying cooling water and inert gases; (3) carbonization: synthesizing the bulk tungsten carbide powder at high temperature in a carbonizing stove; (4) crushing and sieving: crushing the bulk tungsten carbide powder, cooling and sieving to obtain the ultrafine powder of tungsten carbide. | 01-03-2013 |
| 20140030181 | NANOCOMPOSITE OF GRAPHENE AND METAL OXIDE MATERIALS - Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10 C. | 01-30-2014 |
| 20150064094 | METHOD OF PREPARING TITANIUM CARBIDE POWDER - Disclosed herein is a method for preparing titanium carbide powder. More specifically, the method comprises the steps of: mixing titanium dioxide (TiO | 03-05-2015 |
| 20150125378 | METHOD OF SYNTHESIZING BULK TRANSITION METAL CARBIDE, NITRIDE AND PHOSPHIDE CATALYSTS - A method for synthesizing catalyst beads of bulk transmission metal carbides, nitrides and phosphides is provided. The method includes providing an aqueous suspension of transition metal oxide particles in a gel forming base, dropping the suspension into an aqueous solution to form a gel bead matrix, heating the bead to remove the binder, and carburizing, nitriding or phosphiding the bead to form a transition metal carbide, nitride, or phosphide catalyst bead. The method can be tuned for control of porosity, mechanical strength, and dopant content of the beads. The produced catalyst beads are catalytically active, mechanically robust, and suitable for packed-bed reactor applications. The produced catalyst beads are suitable for biomass conversion, petrochemistry, petroleum refining, electrocatalysis, and other applications. | 05-07-2015 |
| 20150139888 | TITANIUM CARBIDE (TIC) NANO-FIBROUS FELTS - A method of synthesizing mechanically resilient titanium carbide (TiC) nanofibrous felts comprising continuous nanofibers or nano-ribbons with TiC crystallites embedded in carbon matrix, comprising: (a) electrospinning a spin dope for making precursor nanofibers with diameters less than 0.5 J·Lm; (b) overlaying the nanofibers to produce a nano-fibrous mat (felt); and then (c) heating the nano-felts first at a low temperature, and then at a high temperature for making electrospun continuous nanofibers or nano-ribbons with TiC crystallites embedded in carbon matrix; and (d) chlorinating the above electrospun nano-felts at an elevated temperature to remove titanium for producing carbide derived carbon (CDC) nano-fibrous felt with high specific surface areas. | 05-21-2015 |
| 423441000 | Calcium containing | 3 |
| 20150110703 | REACTOR WITH INDUCTION HEATER - A method for producing usable product in a reactor including introducing a viscous mixture including usable product and unconverted reactant into a chamber of a housing through an inlet, wherein the mixture has a temperature greater than ambient temperature when introduced into the chamber; heating the viscous mixture in the chamber using at least one of an induction heater, an exothermic reaction, a microwave heater, a radio frequency heater, an electrical resistance heater, a laser heater, a plasma heater, and a heated fluid; converting at least a portion of the unconverted reactant to usable product, wherein at least a portion of the usable product is produced in the viscous mixture; and transferring the viscous mixture including usable product from the housing through an outlet. | 04-23-2015 |
| 423442000 | By reacting carbon and inorganic calcium containing compound | 2 |
| 20110123428 | METHOD AND SYSTEM FOR PRODUCING CALCIUM CARBIDE - A method and a system for producing calcium carbide, the method including mixing powdery carbon-containing raw material with powdery calcium-containing raw material, and directly heating the mixture by combusting a part of carbon-containing raw material in an oxygen-containing atmosphere to produce calcium carbide. The carbon-containing raw material can be coal, semi-coke or coke, the calcium-containing raw material can be calcium carbonate, calcium oxide, calcium hydroxide or carbide slag. The system includes a raw material preheating unit, such as a fluidized bed or an entrained flow bed, and a reaction unit such as an entrained flow bed. By combustion of the by-product CO produced during the production of calcium carbide or auxiliary fuel in the air to preheat the raw materials to 500-1500° C., the carbon consumption and the oxygen consumption for the calcium carbide production can be reduced, and thus process energy consumption is further reduced. | 05-26-2011 |
| 20120263640 | CYCLONE REACTOR AND METHOD FOR PRODUCING USABLE BY-PRODUCTS USING CYCLONE REACTOR - A cyclone reactor for producing a usable by-product as part of a recoverable slag layer, the reactor comprising a housing having an outer wall that defines a combustion chamber; an inlet configured to introduce a reactant into the reactor; a burner configured to combust the reactant in a flame zone near a central axis of the chamber; and an outlet configured to provide for the removal of the usable by-product from the housing; wherein the reactor is configured to combust a first portion of the reactant in an exothermic reaction in the flame zone; and wherein the reactor is configured to convert a second portion of the reactant in an endothermic reaction near the outer wall to produce the by-product as part of the slag layer. | 10-18-2012 |
| 423443000 | Disulfide | 3 |
| 20090155159 | PROCESS FOR THE MANUFACTURE OF CARBON DISULPHIDE - The invention provides a process for the manufacture of carbon disulphide comprising supplying a feedstock comprising a hydrocarbonaceous compound to a reaction zone containing a liquid elemental sulphur phase and reacting, in the liquid sulphur phase, at a temperature in the range of from 350 to 750° C. and a pressure in the range of from 3 to 200 bar (absolute) and in the absence of a catalyst, the hydrocarbonaceous compound with elemental sulphur in the absence of molecular oxygen. The invention further provides the use of a liquid stream comprising carbon disulphide and hydrogen sulphide obtainable by such process for enhanced oil recovery. | 06-18-2009 |
| 20100028243 | PROCESS FOR THE MANUFACTURE OF CARBON DISULPHIDE - A process for the manufacture of carbon disulphide comprising the following steps: (a) reacting carbon monoxide with hydrogen sulphide to form carbonyl sulphide and hydrogen; (b) contacting the carbonyl sulphide formed in step (a) with a catalyst effective for disproportionating carbonyl sulphide into carbon disulphide and carbon dioxide. | 02-04-2010 |
| 20100196245 | PROCESS AND SYSTEM FOR DESTROYING CARBONACEOUS MATERIALS AND COMPOSITION AND SYSTEM THEREOF - A process for substantially removing carbonaceous material from a composition comprising providing the composition having carbonaceous material, reacting the carbonaceous material with a sulfur compound, and forming products having carbon and sulfur, and the resulting composition and system used therefore. | 08-05-2010 |
