| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 204157430 | Using microwave energy | 36 |
| 20080296144 | Nanoparticle Synthesis and Associated Methods - A method is provided for producing crystalline nanoparticle semiconductor material. The method includes the steps of mixing a precursor in a solvent to form a reaction mixture and subjecting the reaction mixture to microwave dielectric heating at sufficient power to achieve a superheating temperature of the reaction mixture. A growth-phase reaction is permitted to proceed, wherein nanoparticles are formed in the heated reaction mixture. The reaction is then quenched to substantially terminate nanoparticle formation. | 12-04-2008 |
| 20090014315 | Apparatus for and method of producing hydrogen using microwaves - An apparatus for producing hydrogen by microwave includes a microwave heater, a reaction tube comprising a catalyst bed, a cap, an output unit and a microwave control box. A method of producing hydrogen using microwaves has steps of feeding gas and liquid, vaporizing the liquid to from a mixed gas and heating the mixed gas. A liquid and a gas are selected at predetermined ratios to form the mixed gas that reacts on the catalyst bed to from hydrogen. Microwaves allow the apparatus to be ready for production quicker and reduce space required by the apparatus. Heating the liquid and gas using microwaves is fast so has a good energy efficiency. | 01-15-2009 |
| 20090071816 | Radio frequency plasma-water dissociator - A radio frequency plasma-water dissociator incorporates a plasma boiler, a RF Conduit, a dummy load, and a magnetron. The plasma boiler is in communication with the RF Conduit. The RF Conduit is in communication with the dummy load. And the dummy load is in communication with the magnetron. The magnetron is used for the purpose of generating the radio frequency waves. | 03-19-2009 |
| 20090114527 | METHOD FOR PREPARING ELECTRODE MATERIAL FOR BATTERY - A method for preparing an electrode material for battery is provided. The method includes the following steps: firstly, providing a reaction precursor having a crystal structure, in which the reaction precursor represents as Na | 05-07-2009 |
| 20090255799 | WELDING OF CARBON SINGLE-WALLED NANOTUBES BY MICROWAVE TREATMENT - Methods and processes for preparing interconnected carbon single-walled nanotubes (SWNTs) are disclosed. The SWNTs soot, synthesized by any one of the art methods, is heated to less than about 1250° C. in flowing dry air using the electrical field (E) component of microwave energy. The tubes of the SWNTs thus treated. become welded and interconnected. | 10-15-2009 |
| 20100012478 | THERMAL TREATMENT FOR INORGANIC MATERIALS - A method of annealing inorganic particles using microwave is provided. The method comprises disposing a plurality of raw particles having poor room-temperature microwave coupling characteristics in a close proximity to a microwave-absorbing material, irradiating said microwave-absorbing material with microwave radiation to heat said microwave-absorbing material, and heating said plurality of raw particles for a period of time sufficient to obtain a plurality of annealed particles, wherein the plurality of annealed particles has a crystalline phase, and wherein said heating comprises transferring heat from said microwave-absorbing material to said plurality of raw particles. | 01-21-2010 |
| 20100018851 | CARBON NANOTUBES FOR FUEL CELLS, METHOD FOR MANUFACTURING THE SAME, AND FUEL CELL USING THE SAME - Carbon nanotubes for use in a fuel cell, a method for fabricating the same, and a fuel cell using the carbon nanotubes for its electrode are provided. The internal and external walls of the carbon nanotubes are doped with nano-sized metallic catalyst particles uniformly to a degree of 0.3-5 mg/cm | 01-28-2010 |
| 20100170778 | PROCESS FOR THE PRODUCTION OF POLYALUMINIUM SALTS - The present invention relates to a process for the production of polyaluminium salts, preferably polyaluminium sulphate and polyaluminium chloride, and derivatives thereof, from aluminium containing raw materials and acids, wherein microwaves are used for partial heating of the reaction mixture. The present invention also relates to a system for the production of polyaluminium salts and derivatives thereof. | 07-08-2010 |
| 20100175985 | Welding Of Carbon Single-Walled Nanotubes By Microwave Treatment - Methods and processes for preparing interconnected carbon single-walled nanotubes (SWNTs) are disclosed. The SWNTs soot, synthesized by any one of the art methods, is heated to less than about 1250° C. in flowing dry air using the electrical field (E) component of microwave energy. The tubes of the SWNTs thus treated become welded and interconnected. | 07-15-2010 |
| 20100219062 | METHOD AND APPARATUS FOR PLASMA GASIFICATION OF CARBONIC MATERIAL BY MEANS OF MICROWAVE RADIATION - A method and apparatus for gasifying carbonic material in order to produce carbon monoxide and hydrogen; the method comprises the following steps: (a) providing carbonic material; (b) heating, by means of microwave radiation, the carbonic material provided until a plasma point cloud forms in the carbonic material; (c) causing the cloud of plasma points of carbonic material to react with superheated water vapour in order to produce a synthesis gas; and (d) purifying the produced synthesis gas by refeeding it through the cloud of plasma points in the carbonic material wherein it is broken up by microwave radiation of step (b) to achieve the generally complete transformation of the synthesis gas into carbon monoxide and hydrogen. Additionally the cloud of plasma points reacts with oxidation gas (air, oxygen or gas enriched with oxygen) in order to produce the synthesis gas. | 09-02-2010 |
| 20100230272 | METHOD AND APPARATUS FOR USING HYDROGEN - The invention relates to a method and apparatus for using hydrogen. The method is characterised in that water from a sea water or other source if first preheated using solar energy and next subjected to a heating step in order to obtain steam which is transformed into water plasma at a low temperature, followed by the decomposition of the plasma by hydrolysis using electrodes and the subsequent separation of the hydrogen and oxygen obtained. The hydrogen is then transported to the location at which water is to be generated, the hydrogen undergoes oxidation and the energy therefrom is recovered, with water being regenerated for direct use. | 09-16-2010 |
| 20100258429 | METHOD USING SOLAR ENERGY, MICROWAVES AND PLASMAS TO PRODUCE A LIQUID FUEL AND HYDROGEN FROM BIOMASS OR FOSSIL COAL - A system uses thermal solar energy coupled with microwaves and plasma for producing carbon monoxide (CO) and dihydrogen (H2) from carbonated compounds (biomass, domestic waste, sludge from waste water, fossil coal), wherein the obtained gaseous mixture yields, amongst others, hydrocarbon fuels (olefins, paraffin), esters, and alcohols via a Fischer-Tropsch synthesis. In a first step the carbonated compounds are roasted and pyrolized to produce char and dry coal, and a mixture of superheated gases containing CO2, steam, tars and non-condensable volatile materials. The method includes in a second step, and from the pyrolyis products (char or coal, gas mixture), generating a syngas substantially containing a mixture of carbon monoxide and dihydrogen, the mixture being used in Fischer-Tropsch synthesis units. After the Fischer-Tropsch step, the synthesis products are separated in a distillation column after heating in solar furnaces of mixed furnaces (solar/microwave). | 10-14-2010 |
| 20100326813 | Microwave Induced Functionalization of Single Wall Carbon Nanotubes and Composites Prepared Therefrom - The invention is directed to a method of forming, producing or manufacturing functionalized nanomaterials, and, specifically, soluble functionalized nanomaterials. The presently described invention also relates to nanomaterial-based composites consisting of a target material, which can include ceramic, polymer, or metallic matrices incorporated into or grown on nanomaterials, as well as a method or synthesis technique for the formation, production, or manufacture of nanomaterial-based composites through microwave-induced reaction. | 12-30-2010 |
| 20110000781 | OPTICAL RELEASE OF HYDROGEN FROM FUNCTIONALIZED FULLERENES AS STORAGE MATERIALS - A method to release hydrogen from a material comprising hydrogen fixed fullerenes involves irradiating the hydrogen fixed fullerenes with electromagnetic radiation of sufficient intensity to release hydrogen rapidly upon irradiation. The intensity of the irradiation and/or the area of irradiation can be adjusted to control the rate and extent of hydrogen release. The hydrogen depleted material comprising hydrogen fixed fullerene can be hydrogenated to regenerate the material. | 01-06-2011 |
| 20110017586 | Method for forming silicon oxide film, storage medium, and plasma processing apparatus - In oxidation of a silicon having irregularities, a silicon oxide film having a thickness as small as possible is formed in the side wall as compared with the bottom. A plasma is generated, using a plasma processing apparatus ( | 01-27-2011 |
| 20110031105 | MANUFACTURING METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL - It is an object to provide a manufacturing method for a large amount of positive electrode active material with few variations, having a highly uniform surface condition, micro-size, and high performance. An aqueous solution of a compound, which becomes the source material for the positive electrode active material, is put in an airtight container and irradiated with microwaves, thus heating while water in the airtight container is evaporated and a high pressure is formed in the air tight container. A large amount of micro-sized positive electrode active material having a highly uniform surface condition can be formed. A compound, which becomes the source material for the positive electrode active material, is put in an airtight container and irradiated with microwaves, thus heating while water in the airtight container is evaporated and a high pressure is formed in the air tight container. | 02-10-2011 |
| 20110048923 | Process for the Surface Modification of Particles - A method for the preparation of functionalized particles includes providing a feedstock made of particles, a surface treatment agent reactive with the particles, and solvent. The feedstock is exposed to microwave radiation to heat the feedstock and react the particles with the surface treatment agent to provide the functionalized particles in less than about 60 minutes. | 03-03-2011 |
| 20110079505 | SYSTEM TO CONTINUOUSLY PRODUCE CARBON FIBER VIA MICROWAVE ASSISTED PLASMA PROCESSING - A method for continuously processing carbon fiber including establishing a microwave plasma in a selected atmosphere contained in an elongated chamber having a microwave power gradient along its length defined by a lower microwave power at one end and a higher microwave power at the opposite end of the elongated chamber. The elongated chamber having an opening in each of the ends of the chamber that are adapted to allow the passage of the fiber tow while limiting incidental gas flow into or out of said chamber. A continuous fiber tow is introduced into the end of the chamber having the lower microwave power. The fiber tow is withdrawn from the opposite end of the chamber having the higher microwave power. The fiber to is subjected to progressively higher microwave energy as the fiber is being traversed through the elongated chamber. | 04-07-2011 |
| 20110089018 | Method for one step synthesizing and immobilizing crystalline TiO2 nano-particles simultaneously on polymer support and use of the same - A method for one step synthesizing and immobilzing crystalline titanium dioxide (TiO | 04-21-2011 |
| 20120103789 | Greener Synthesis of Nanoparticles Using Fine Tuned Hydrothermal Routes - The synthesis of energy and sensor relevant nanomaterials that involves the colloidal synthesis of quantum dots (e.g. CdSe, CdS, ZnS, CdSe/ZnS) under well-controlled hydrothermal conditions (100-200 degrees C.) using simple inorganic precursors. The resulting nanomaterials are of high quality, and are easily processed depending upon application, and their synthesis is scalable. Scalability is provided by the use of a synthetic microwave reactor, which employs dielectric heating for the rapid and controllable heating. | 05-03-2012 |
| 20120181162 | Method for Stabilizing Carbon-Containing Fibre and Method for Producing Carbon Fibre - The group of inventions pertains to the field of producing high-strength carbon fibres, which can be primarily manufactured from an organic starting material (precursor). A method for stabilizing a carbon-containing fibre (precursor) is claimed, in which the fibre is placed into a gaseous medium and subjected to treatment with microwave radiation as the gaseous medium is heated. More specifically, the fibre is placed into a working chamber filled with a gaseous medium, the latter is heated by heating the chamber (for example, the walls thereof) while the fibre is treated with microwave radiation. According to a second aspect of the invention, a method for producing a carbon fibre is claimed, comprising, as a minimum, fibre stabilizing and carbonizing stages, in which the precursor is stabilized by means of the above-described method by subjecting the fibre to microwave radiation as the medium in which the fibre is immersed is heated. After the fibre has been carbonized, it is possible, as an alternative, for said fibre to be additionally coated with graphite. If necessary, the stabilized fibre can also be carbonized and/or coated with graphite by the complex treatment thereof with microwave radiation as the medium in which the fibre has been placed for carbonizing/coating with graphite is heated. As a result, the time taken to stabilize the precursor fibres is reduced, thereby affording a reduction in the energy consumption and an increase in the productivity of the process for producing carbon fibre. | 07-19-2012 |
| 20120222951 | ARTIFICIAL PHOTOSYNTHESIS - Disclosed is a process for storing solar energy in organic compounds. The process comprises providing a water source and a carbon source. Water present in the water source is activated using solar energy. Activated water is reacted with the carbon source to form an organic compound comprising hydrogen and carbon. The organic compound has higher energy content than the carbon source. | 09-06-2012 |
| 20130068610 | USE OF METHOD FOR ONE STEP SYNTHESIZING AND IMMOBILIZING CRYSTALLINE TiO2 NANO-PARTICLES SIMULTANEOUSLY ON POLYMER MATERIAL - A method of fabricating a sheet or a fabric with crystalline TiO | 03-21-2013 |
| 20130087446 | One-step production of graphene materials - A method of producing exfoliated graphite or graphene from a graphitic or carbonaceous material. The method includes: (a) dispersing a graphitic material in a liquid intercalating agent to form a suspension; and (b) subjecting the suspension to microwave or radio frequency irradiation for a length of time sufficient for producing the exfoliated graphite or graphene. In one preferred embodiment, the intercalating agent is an acid or an oxidizer, or a combination of both. The method enables production of more electrically conducting graphene sheets directly from a graphitic material without going through the chemical intercalation or oxidation procedure. The process is fast (minutes as opposed to hours or days of conventional processes), environmentally benign, and highly scalable. | 04-11-2013 |
| 20130126332 | PLASMA WHIRL REACTOR APPARATUS AND METHODS OF USE - An apparatus for synergistically combining a plasma with a comminution means such as a fluid kinetic energy mill (jet mill), preferably in a single reactor and/or in a single process step is provided by the present invention. Within the apparatus of the invention potential energy is converted into kinetic energy and subsequently into angular momentum by means of wave energy, for comminuting, reacting and separation of feed materials. Methods of use of the apparatus in the practice of various processes are also provided by the present invention. | 05-23-2013 |
| 20130168229 | METHOD OF PREPARING GRAPHENE LAYER - Disclosed is a method of forming a graphene layer, including: putting a substrate in a chamber of an electron cyclotron resonance device, and then vacuuming the chamber. Conducting a carbon-containing gas into the chamber, wherein the carbon-containing gas has a pressure of 10 | 07-04-2013 |
| 20130220793 | High Concentration NO2 Generating System and Method for Generating High Concentration NO2 Using the Generating System - A high concentration NO | 08-29-2013 |
| 20140042011 | NANOMETER-SIZE-PARTICLE PRODUCTION APPARATUS, NANOMETER-SIZE-PARTICLE PRODUCTION PROCESS, NANOMETER-SIZE PARTICLES, ZINC/ZINC OXIDE NANOMETER-SIZE PARTICLES, AND MAGNESIUM HYDROXIDE NANOMETER-SIZE PARTICLES - A nanometer-size-particle production apparatus is provided which can prevent the occurrence of waste fluids, and which makes quick and continuous syntheses feasible while suppressing damages to the electrode. | 02-13-2014 |
| 20140048410 | DEVICE FOR THE EXCITATION OF A GAS COLUMN ENCLOSED IN A HOLLOW-CORE OPTICAL FIBRE - A device for the excitation of a gas medium ( | 02-20-2014 |
| 20140183033 | PLASMA REACTOR FOR CARRYING OUT GAS REACTIONS AND METHOD FOR THE PLASMA-SUPPORTED REACTION OF GASES - A device for carrying out gas reactions, comprising a plasma reactor with a through-flow of gases which has a, particularly cylindrical, plasma chamber, wherein flow-forming elements for forming a flow of gases are arranged before and/or in and/or after the plasma reactor in order to form a gas stream within the plasma chamber such that at least one, particularly central, zone in the gas flow is formed which is flow-reduced. A method for carrying out gas reactions is also provided. | 07-03-2014 |
| 20140190818 | Method for Stabilizing Carbon-Containing Fibre and Method for Producing Carbon Fibre - The group of inventions pertains to the field of producing high-strength carbon fibres, which can be primarily manufactured from an organic starting material (precursor). A method for stabilizing a carbon-containing fibre (precursor) is claimed, in which the fibre is placed into a gaseous medium and subjected to treatment with microwave radiation as the gaseous medium is heated. More specifically, the fibre is placed into a working chamber filled with a gaseous medium, the latter is heated by heating the chamber (for example, the walls thereof) while the fibre is treated with microwave radiation. According to a second aspect of the invention, a method for producing a carbon fibre is claimed, comprising, as a minimum, fibre stabilizing and carbonizing stages, in which the precursor is stabilized by means of the above-described method by subjecting the fibre to microwave radiation as the medium in which the fibre is immersed is heated. After the fibre has been carbonized, it is possible, as an alternative, for said fibre to be additionally coated with graphite. If necessary, the stabilized fibre can also be carbonized and/or coated with graphite by the complex treatment thereof with microwave radiation as the medium in which the fibre has been placed for carbonizing/coating with graphite is heated. As a result, the time taken to stabilize the precursor fibres is reduced, thereby affording a reduction in the energy consumption and an increase in the productivity of the process for producing carbon fibre. | 07-10-2014 |
| 20150107985 | HIERARCHICAL STRUCTURE OF GRAPHENE-CARBON NANOTUBES AND METHOD FOR PREPARING SAME - The present invention relates to a hierarchical structure of graphene-carbon nanotubes and a method for preparing the same, and, more specifically, to a method for growing graphene into carbon nanotubes having a hierarchical structure by adding metal nanoparticles on the graphene. According to the present invention, carbon nanotubes having a hierarchical structure, which have an increased specific surface area compared to existing carbon nanotubes, can be obtained, and a carbon nanotube structure which is metal-functionalized by a metal precursor can be obtained. In addition, carbon nanotubes can be prepared in an environmentally-friendly manner by the use of microwaves. | 04-23-2015 |
| 20150298977 | METHOD FOR FORMING GRAPHENE QUANTUM DOT - In a method for forming a graphene quantum dot, a first reduced graphene oxide product having a first size is formed by applying microwaves to a graphene oxide material. The first reduced graphene oxide product is oxidized by applying microwaves to a mixed solution including an acid solution, a first oxidant, and the first reduced graphene oxide product so as to form a first graphene oxide product having a second size. Microwaves are applied to the first graphene oxide product so as to form a second reduced graphene oxide product having a third size which is smaller than the first size. | 10-22-2015 |
| 20150360197 | Spinel-Type Lithium Titanium Oxide/Graphene Composite and Method of Preparing the Same - A spinel-type lithium titanium oxide/graphene composite and a method of preparing the same are provided. The method can be useful in simplifying a manufacturing process and shortening a manufacturing time using microwave associated solvothermal reaction and post heat treatment, and the spinel-type lithium titanium oxide/graphene composite may have high electrochemical performances due to its excellent capacity and rate capability and long lifespan, and thus be used as an electrode material of the lithium secondary battery. | 12-17-2015 |
| 20160096161 | METHOD OF CONVERSION OF ALKANES TO ALKYLENES AND DEVICE FOR ACCOMPLISHING THE SAME - Disclosed herein is a method comprising disposing a catalyst composition in a device that comprises a radiation cavity; a tube having an inlet and an outlet disposed in the radiation cavity; where the catalyst composition is disposed in the tube and comprises a transition metal disposed on a support; where the radiation cavity is operative to subject the catalyst composition to microwave radiation, radio frequency radiation, or a combination thereof; introducing an alkane such as methane into the inlet end of the tube; and obtaining an alkylene such as ethylene at the outlet end of the tube. | 04-07-2016 |
| 20160194213 | NANOMETER-SIZE-PARTICLE PRODUCTION APPARATUS, NANOMETER-SIZE-PARTICLE PRODUCTION PROCESS, NANOMETER-SIZE PARTICLES, ZINC/ZINC OXIDE NANOMETER-SIZE PARTICLES, AND MAGNESIUM HYDROXIDE NANOMETER-SIZE PARTICLES | 07-07-2016 |
