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| Number | Title | Issue Date |
| 7670475 | Fluorine separation and generation device A process and apparatus for the electrolytic separation of fluorine from a mixture of gases is disclosed. Also described is the process and apparatus for the generation of fluorine from fluorine/fluoride containing solids, liquids or gases. ... | 03/02/2010 |
| 7431818 | Electrochemical fuel deoxygenation system A fuel system for an energy conversion device includes a deoxygenator system with an electrochemical conversion system to remove oxygen from fuel through conversion of the oxygen to water. The electrochemical conversion system is located within a fuel flow. On the f... | 10/07/2008 |
| 7402234 | Polymeric hydrogen diffusion barrier, high-pressure storage tank so equipped, method of fabricating a storage tank and method of preventing hydrogen diffusion An electrochemically active hydrogen diffusion barrier which comprises an anode layer, a cathode layer, and an intermediate electrolyte layer, which is conductive to protons and substantially impermeable to hydrogen. A catalytic metal present in or adjacent to the a... | 07/22/2008 |
| 7332108 | Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane There is disclosed a method for preparing a thin ceramic and/or metallic solid-state composition consisting of three phases: a material (A), a material (B) and pores. The concentration of each phase varies continuously from one face of the article to the other in a ... | 02/19/2008 |
| 7279025 | Separation and reaction method utilizing an oxygen ion transport element A method of separating oxygen from an oxygen containing feed and reacting the oxygen with a reactive substance and an oxygen ion transport membrane element utilized for such purposes. The oxygen ion transport membrane element has a self-supporting dense layer and a ... | 10/09/2007 |
| 7265369 | Method and system for detecting chemical substance A chemical detecting apparatus includes a substrate 10 for chemicals in gas-to-be-monitored to be adsorbed to, a substrate adsorption rate improving means 12 which enhances the adsorption of the chemical in the gas-to-be-monitored to the substrate, an ... | 09/04/2007 |
| 7255949 | Systems and methods to generate hydrogen and electrical power in a reversible compound fuel cell A hydrogen and electrical power generating system that includes a hydrogen source to generate a mixture having hydrogen gas, a ceramic fuel cell to generate power from a first portion of the mixture and a hydrogen separator to generate purified hydrogen gas from a s... | 08/14/2007 |
| 7223356 | Method for preparing a thin ceramic material with controlled surface porosity gradient, and resulting ceramic material The invention concerns a method for preparing a thin ceramic material with controlled surface porosity gradient, including (A) infiltrating a porous pore-forming substrate of controlled thickness, with a ceramic material suspension; (B) evaporating the solvent; (C) ... | 05/29/2007 |
| 7179323 | Ion transport membrane module and vessel system An ion transport membrane system comprising (a) a pressure vessel having an interior, an exterior, an inlet, and an outlet; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane... | 02/20/2007 |
| 7153412 | Electrodes, electrochemical elements, gas sensors, and gas measurement methods Electrode having high activity to oxygen gas and low activity to flammable gas is provided. An oxygen pump includes oxide-ion conductive solid electrolyte 2, electrode 8 which is an inactive electrode, and active electrode 10. Electrode 8... | 12/26/2006 |
| 7122072 | Controlled heating and cooling of mixed conducting metal oxide materials Method for processing an article comprising a mixed conducting metal oxide material, which method comprises (a) contacting the article with an oxygen-containing gas and reducing or increasing the temperature of the oxygen-containing gas; (b) when the temperature of ... | 10/17/2006 |
| 7105147 | Method for partial oxidation of methane using dense, oxygen selective permeation ceramic membrane Methane in a feedstock gas having methane as its main component, is partially oxidized with oxygen, which selectively permeates from a first side to a second side of a oxygen selective permeation ceramic membrane. Air is contacted with the first side of the oxygen s... | 09/12/2006 |
| 7058468 | Automatic material handling system, production system for semiconductor device, and production management method for semiconductor device It is an object to provide an AGV that enables preventing a substrate and a manufacturing system from being contaminated due to another substrate with an adhering contaminant generated in a manufacturing process, and also a production system for a semiconductor devi... | 06/06/2006 |
| 6997703 | Firing furnace and firing method The present invention provides a firing furnace (100) comprising a combusting means (2) for combusting a fuel (11), a firing furnace main body (1) for firing a member to be fired and exhausting a combustion gas, and a methane reforming de... | 02/14/2006 |
| 6949230 | Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them This invention relates to gas-impermeable, solid state materials fabricated into membranes for use in catalytic membrane reactors. This invention particularly relates to solid state oxygen anion- and electron-mediating membranes for use in catalytic membrane reactor... | 09/27/2005 |
| 6908500 | System and method for controlling gas transport in a fuel cell A system and method for controlling or otherwise effectively parameterizing the transport of dissolved, retained and/or exhausted gaseous byproducts generated in the operation of a fuel cell device comprises a gas permeable membrane (320) for substantially in... | 06/21/2005 |
| 6896792 | Method and device for improved catalytic activity in the purification of fluids The activity of catalysts used in promoting the oxidation of certain oxidizable species in fluids can be enhanced via electrochemical methods, e.g., NEMCA. In particular, the activity of catalysts used in the selective oxidation of carbon monoxide can be enhanced. A... | 05/24/2005 |
| 6830675 | Method and device for removing carbon monoxide from a gas stream A method for removing carbon monoxide from a gas stream, in which the gas stream loaded with CO is guided through a device, and the CO is removed from the gas stream through adsorption on the working electrode. As a function of an electrical voltage between the work... | 12/14/2004 |
| 6695956 | Oxygen concentrating apparatus An oxygen-concentrating equipment comprising an oxygen-concentrating means for separating oxygen from air and concentrating the oxygen, a humidifying means for humidifying the oxygen-concentrated air produced by said oxygen-concentrating means, and an oxy... | 02/24/2004 |
| 6565737 | Method and apparatus for selectively removing oxygen using a non-catalytic electrode in an electrochemical cell A method and apparatus for selectively removing oxygen from a gas stream containing NOx and oxygen by contacting the gas stream with an electrochemical cell made from an electrode consisting of La1-X MX FeO3, (w... | 05/20/2003 |
| 6547953 | Substrate container and method of dehumidifying substrate container A substrate container includes a container housing having an opening for storing a substrate therethrough and a cover sealingly covering the opening, a fan motor mounted in the container housing for producing a circulating path of air in contact with the ... | 04/15/2003 |
| 6544404 | Oxygen separation process The invention relates to a process for the separation of oxygen from an oxygen-containing fluid using novel membranes, formed from perovskitic or multi-phase structures, with a chemically active coating. The process exhibits exceptionally high rates of ox... | 04/08/2003 |
| 6375827 | Electrochemical treating method and apparatus An electrochemical treating apparatus comprising an electrolytic cell comprising an anode and a cathode spaced apart from the anode, the anode including an electrode material made of diamond and the cathode including an electrode material made of diamond.... | 04/23/2002 |
| 6332968 | Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions Electrochemical processes using solid gas-impervious membranes are disclosed for gas cleanup by (A) providing an electrochemical cell comprising first and second zones separated by a solid gas-impervious membrane comprising a mixed metal oxide material of... | 12/25/2001 |
| 6203692 | Electrochemical purification of chlorine A process for separating chlorine gas from a mixture with other gases is disclosed. In the process, chlorine gas, either as an impure gas or as dissolved gas in hydrochloric acid, is reduced at the cathode of an electrochemical cell to form chloride ions,... | 03/20/2001 |
| 6179986 | Solid polymer electrolyte electrochemical oxygen control system with integral reactor feedback sensing Disclosed is a novel proton-exchange membrane (PEM) based solid polymer electrolyte electrochemical oxygen control (EOC) system that can deplete and control the oxygen from a closed container to levels sufficient for both disinfestation and preservation. ... | 01/30/2001 |
| 6168705 | Electrochemical gas purifier The electrochemical gas purifier system consists of a cell module with accessory components mounted in a single framework. The module consists of a number of single cells each capable of purifying and ultimately producing hydrogen gas at pressures exceedi... | 01/02/2001 |
| 6149798 | Method for minimizing the aerial oxidation of photographic developers The invention concerns a method for decreasing the oxygen content of the atmosphere above photographic processing baths. The method comprises using a solid electrolyte which is a compound of bismuth, vanadium or another transition metal. The oxidation in ... | 11/21/2000 |
| 6036840 | Method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid A method and a reactor for electrochemical conversion of a material (21) being insoluble in a fluid into a material being soluble in the fluid, which method comprises that a flow of the fluid is passed to a reaction zone which comprises an internal circui... | 03/14/2000 |
| 6015483 | Process for the NO-removal from engine exhaust gases A process for removing NO from exhaust in which NO-containing exhaust is guided to a first electrode on which the NO is anodically oxidized to NO+, the NO+ is subsequently transported through an NO+ -conducting solid elec... | 01/18/2000 |
| 6010614 | Temperature control in a ceramic membrane reactor A method for maintaining the temperature of an oxygen-selective ion transport membrane within a desired temperature range includes providing an ion transport reactor with the oxygen-selective ion transport membrane. An oxygen-donating feed gas is delivere... | 01/04/2000 |
| 5965010 | Electrochemical autothermal reformer An electrochemical autothermal reformer (EATR) provides hydrogen. The EATR includes an autothermal reformer region, a reformer anode supply region, and a composite membrane layer separating the reformer anode from the autothermal reformer region. The comp... | 10/12/1999 |
| 5928489 | Low temperature removal and recovery of hydrogen halides using an electrochemical membrane A low temperature method and apparatus for removing halides from relatively low temperature gas mixtures (below about 150° C.) using an electrochemical cell provided with inert electrodes and an electrolyte which will provide anions compatible with the h... | 07/27/1999 |
| 5910238 | Microspheres for combined oxygen separation, storage and delivery An article for the separation, storage and delivery of substantially pure oxygen, comprises a closed walled, hollow container wherein at least a portion of at least one wall of the container is an oxygen separation material, providing a sole means for tra... | 06/08/1999 |
| 5865878 | Method for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine A process for producing an oxidized product in conjunction with a turbine for generating power. This process comprises contacting a compressed and heated oxygen-containing gas stream with at least one solid electrolyte oxygen selective ion transport membr... | 02/02/1999 |
| 5840174 | Process for the purification of gases A process for the electrolytic removal of contaminants from gases, wherein a gas and a liquid electrolyte are passed co- or counter-currently through a fixed bed electrode of an electrolysis cell which has a counterelectrode separated from the fixed bed e... | 11/24/1998 |
| 5837125 | Reactive purge for solid electrolyte membrane gas separation A system and process for producing a high-purity product from a feed stream containing elemental oxygen by applying the feed stream to at least one separator including a feed zone and a permeate zone separated by a solid electrolyte membrane, and driving ... | 11/17/1998 |
| 5779879 | Apparatus and method for reducing harmful substances in combustion gases An apparatus and a method for reducing harmful substances, particularly nitrogen oxides, in combustion exhaust gases in a combustion process performed with an oxygen-nitrogen-air mixture (atmosphere). At least one conduit (chamber 48) that conducts the ox... | 07/14/1998 |
| 5733435 | Pressure driven solid electrolyte membrane gas separation method A process for removing oxygen from a feed stream to obtain an oxygen-depleted product stream by applying the feed stream to at least one separator including a feed zone and a permeate zone separated by a solid electrolyte mixed conductor membrane, and dri... | 03/31/1998 |
| 5707509 | Method and a catalyzer unit for reducing pollutants such as oxides of nitrogen in exhaust gases of internal combustion engines A method for catalytically reducing pollutants, in particular oxides of nitrogen in oxygen-containing exhaust gases of internal combustion engines, uses a catalyzer unit arranged in the exhaust gas flow of the engine. The catalyzer unit has a catalytic la... | 01/13/1998 |
