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WO/2005/003396A1 |
The invention concerns the field of material sciences and relates to conductive alloys that are used as high-performance permanent magnet materials. The aim of the invention is to provide a method and a device by means of which the nucle...
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WO/2005/000603A2 |
The invention relates to a method of decorating an article. The inventive method comprises the following steps, namely: a step consisting in preparing a transfer sheet by printing same with at least one heat-activated ink, and a transfer...
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WO2003034391A9 |
A method and system for controlling a voltage used for precharging current-driven elements in a matrix, and a method of manufacturing a device to perform this function. Elements are driven during successive scan cycles, each having a pre...
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WO2003034385A9 |
A current driving circuit (264) for use with a display of light emitting elements arranged in rows and columns. The current driving circuit (264) is configured to control the exposure time of column current sources (270) based on the row...
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WO/2004/113576A2 |
The invention relates to a nozzle device and to an associated metallurgical melting pot for introducing fluid media into a melt. The nozzle device is configured, at least at one end, to permit the connection of an axially fed nozzle devi...
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WO/2004/111281A2 |
A degasser (10) for molten metal with a microporous plate (11). The microporous plate has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passagew...
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WO/2004/101830A1 |
Processing apparatus and methods for introducing material into a molten metal are provided. The material is introduced through a tube, which leads into the molten metal flow between the exit from a chamber and the entry back into a chamb...
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WO/2004/101832A2 |
Methods of enhancing the segregation roast through the use of microwave radiation and chloride ions are disclosed. The processes provide means of recovering metals trapped in ores and slags by reaction of these materials with carbon, chl...
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WO/2004/099769A1 |
A device is provided for measuring metal inclusions comprising a receptacle for holding a sample of molten metal, with this receptacle having insulated side walls and a bottom wall provided with an exit opening. A ceramic filter element ...
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WO/2004/094312A1 |
A method of purifying a metal salt which comprises contacting a metal salt in a molten state (an alkali metal salt, an alkaline earth metal salt or a mixture thereof) with titanium or the like to thereby adsorb impurities in the metal sa...
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WO/2004/090173A1 |
A direct smelting plant for producing molten metal from a metalliferous feed material is disclosed. The plant includes a fixed smelting vessel to hold a molten bath of metal and slag and a gas space above the bath. The plant also include...
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WO/2004/089831A2 |
The present invention provides methods for remediating polluted soils or water, removing toxic substances from polluted soils or water, and removing polluting plant nutrients from water using a plant-organism system or specific microbes ...
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WO/2004/090177A1 |
This invention relates to a method for preventing the ignition of molten reactive metal by contacting the molten metal with a gaseous mixture comprising a fluorocarbon selected from the group consisting of perfluoroketones, hydrofluoroke...
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WO/2004/085686A2 |
The invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt (1); (b) passing the melt ove...
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WO/2004/086279A1 |
This invention relates to a method for generating pollution credits while processing molten magnesium, aluminum, lithium, and alloys of such metals by contacting the molten metal or alloy with a gaseous mixture comprising a fluorocarbon ...
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WO/2004/083470A1 |
A raw material for aluminum refining, characterized in that it comprises a peritectic element forming a peritectoid with aluminum and boron, wherein it contains boron in an amount being excessive by 5 to 80 mass ppm to a total chemical e...
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WO/2004/083469A1 |
In a process for the melting of an aluminum charge in a melting furnace, the A1 charge contains organic materials or an organic charge is provided into the furnace. The combustion of the organic charge is carried out with an oxyfuel burn...
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WO/2004/081245A1 |
The invention relates to a method for the fine refinement of gold containing metallic impurities, According to said method, the gold to be refined is first dissolved in hydrochloric acid and hydrogen peroxide. The dissolution of the gold...
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WO/2004/081244A1 |
The invention relates to a method for refining gold containing metallic impurities. According to said method, the proportion of metal oxides is increased in a targeted manner by annealing the gold at preferably between 450 and 550 °C fo...
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WO/2004/078385A1 |
An apparatus for treating molten metal includes a treatment vessel for holding molten metal and a removable cover or hood for the vessel. Sealing means are provided between the cover and the vessel to provide a gas tight treatment zone. ...
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WO/2004/076699A1 |
A device for heating a metal melt, comprising a container (1) with cover and openings for the supply and removal of melt, wherein sub atmospheric pressure may be created. A rotor is arranged in the form of a hollow rotary body, with a ho...
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WO/2004/074524A1 |
The present invention discloses a siphon assembly for moving high temperature melts from a first location (1) to a second location (2), comprising, (i) an upleg (3) for receiving molten metal when immersed in a melt at the first location...
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WO/2004/074523A2 |
A metal melting closed furnace which includes a main chamber (22), a circulation well (28) connected to the main chamber (22) by a communications passageway (32) and a vortex well (84) having an exit outlet for molten metal into the main...
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WO/2004/069450A1 |
The invention relates to a fire-resistant ceramic gas sink which can be fitted into a wall or the base of a vessel for receiving a metal melt. The gas sink comprises at least one channel extending from the cold side of the gas sink to a ...
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WO/2004/063406A2 |
The invention relates to a method for producing a metal foam body, according to which a molten material containing gas is prepared and said molten material is left to solidify, thus forming a metal foam body. The aim of the invention is ...
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WO/2004/058431A2 |
A method and apparatus for optimizing melting of titanium for processing into ingots or end products. The apparatus provides a main hearth (56), a plurality of optional refining hearths, and a plurality of casting molds (58a, 58b) or dir...
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WO/2004/056505A1 |
The invention relates to a gas flushing device for metallurgical melting pots, having the following construction: a porous plug is arranged in an upper cylindrical housing at the gas outlet end thereof and in a lower cylindrical housing ...
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WO/2004/057045A1 |
The invention relates to a rotary device for dispersing a gas in a molten metal. The device comprises a hollow shaft (20) at one end of which is attached a rotor (22). The rotor (22) has a roof (24) and a base (26) which are spaced apart...
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WO/2004/050939A2 |
Apparatus and methods for plasma-assisted melting are provided. In one embodiment, a plasma-assisted melting method can include: (1) adding a solid to a melting region (505), (2) forming a plasma in a cavity (510) by subjecting a gas to ...
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WO/2004/048622A1 |
A system and method of separating metal powder from a slurry of liquid metal and metal powder and salt is disclosed in which the slurry is introduced into a first vessel operated in an inert environment when liquid metal is separated fro...
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WO/2004/044578A1 |
The invention provides a separating vessel (10) suitable for use in the treatment of a mineral sample wherein a molten slag (11) is separated from a molten collector material (12) comprising a container defining an interior cavity (13) f...
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WO/2004/035846A1 |
A low pollution process for extracting arsenic in vacuum, including: heat and keep the smelting chamber to a temperature of 100-300 °C under the reduced pressure lower than 50 Pa to remove the water vapor and some dust; then heat and ke...
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WO/2004/035873A1 |
An electrochemical cell for electrochemical reduction of a metal oxide in a solid state is disclosed. The cell includes a molten electrolyte (14), an anode (10) formed from carbon in contact with the electrolyte, a cathode (20) formed at...
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WO/2004/028655A2 |
A method of separating metal particulates form a slurry of liquid metal and metal particulates and salt particulates by filtering the slurry to form a cake of metal and salt particulates with some liquid metal. The cake is broken and liq...
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WO/2004/029307A1 |
The invention relates to a rotor, a device, and a method for introducing fluids into a molten bath. Molten baths are often degassed by introducing a liquid. In known trough degassers, rotors are arranged in the flowing melt and are used ...
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WO/2004/029332A2 |
A method for purifying metal M1 particles manufactured by an electrochemical reduction process, the method comprising the steps of introducing the metal M1 particles into a heat source (13) at a temperature substantially equal to or high...
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WO/2004/029308A1 |
The invention relates to rear-metal metallurgy and can be used for efficient osmium extraction from copper production waste material. The inventive method consists in pre-distilling organic components in a reducing medium from initial ra...
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WO/2004/020679A1 |
The invention relates to a device (8) which is used to inject a treatment gas into a molten metal contained in a tank (1) and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one inj...
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WO/2004/013361A1 |
A dry method of recovering a platinum group element, comprising charging a substance containing platinum group element to be treated and a copper source material containing copper oxide together with a flux component and a reducing agent...
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WO/2004/013360A1 |
A salt furnace is receivable within a vessel which contains molten magnesium/magnesium alloy. The salt furnace comprises a body for isolating a salt melt within the salt furnace from molten magnesium/magnesium alloy in the vessel and thr...
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WO/2004/009857A1 |
A method of separating components from a metal based composite, the method including the steps of increasing the size of a component to be separated and separating the increased sized component from the other components of the composite.
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WO/2004/005559A1 |
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal, in which a layer of at most partially solidified molten metal having an upper surface und a lower surface is divided into a...
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WO/2004/005558A1 |
The invention relates to a method for fractional crystallisation of an at most partially solidified molten metal. According to the invention a layer of at most partially solidified molten metal to be crystallised is cooled by a layer of ...
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WO/2004/001078A1 |
Method and device for purifying a stream of molten metal. A conical chamber that acts a cyclone has been defined in a block of refractory material. The stream to be purified is introduced between the two ends of the conical chamber havin...
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WO/2003/106908A1 |
A flow inducement or stirring apparatus (500) includes electromagnetic induction apparatus in the form of a generally rectangular box (501) connected to an inclined end wall (502) of a cradle or port (503) of the apparatus 500, being gen...
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WO/2003/106009A1 |
The invention concerns an electromagnetic device for interfacial fusion and stirring of diphasic systems, in particular for accelerating metallurgical of pyrochemical processes. Said device comprises for example a crucible (2, 28), desig...
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WO/2003/104502A1 |
A treatment apparatus (10) includes a liquid reactant metal containment vessel (11) for containing a first liquid reactant metal and isolating the reactant metal from the atmosphere. A release chamber (14) is adapted to receive the first...
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WO/2003/102254A1 |
A method by which tantalum compounds and niobium compounds dissolved in water such as a liquid detergent are insolubilized and recovered. An aqueous solution containing tantalum compounds and/or niobium compounds dissolved therein is reg...
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WO/2003/095686A1 |
The invention relates to a device (1) for treating a liquid metal flow. The inventive device comprises a treating ladle (2) consisting of: means of connecting (11, 12, 13, 14) to at least one liquid metal feed chute (15) and to at least ...
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WO/2003/091461A1 |
A method of introducing a solid particulate reagent into a bath of metallurgical liquid comprises a step of introducing a solid particulate reagent into a main supersonic gas jet. The main supersonic gas jet is directed at the surface of...
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