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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8088270 | Process for recovering alkali metals and sulfur from alkali metal sulfides and polysulfides Alkali metals and sulfur may be recovered from alkali polysulfides in an electrolytic process that utilizes an electrolytic cell having an alkali ion conductive membrane. An anolyte solution includes an alkali polysulfide and a solvent that dissolves elemental sulfu... | 01/03/2012 |
| 7794580 | Thermal and electrochemical process for metal production A method of winning a metal from its oxide ore by heating the ore in a partial vacuum or under an inert atmosphere in the presence of a reductant. The resulting product may be further reduced electrochemically to produce a purer metal. ... | 09/14/2010 |
| 7465386 | Electrolytic method in diaphragm-type cell In a metal-winning method, copper ore or copper-ore concentrates is effectively hydraulically leached in a chloride leach liquor and the resultant leached liquor is diaphragm-electrolyzed. A chloride electrolyte containing Br− ions and the leached metal... | 12/16/2008 |
| 7435325 | Method for producing high purity nickle, high purity nickle, sputtering target comprising the high purity nickel, and thin film formed by using said spattering target Upon performing electrolysis with a solution containing nickel as the electrolytic solution, anolyte is adjusted to pH 2 to 5; impurities such as iron, cobalt and copper contained in the anolyte are eliminated by combining any one or two or more of the methods among... | 10/14/2008 |
| 7422624 | Method for operating one or more electrolysiscells for production of aluminium A method for operating one or more electrolysis cells (43, 154, 243) for production of aluminium, the cell comprising inert or substantially inert anodes, where an oxygen containing gas (21, 126, 221) evolved by the electrolysis process in the cell is ... | 09/09/2008 |
| 7374693 | Water decontamination apparatus and method A process and apparatus for water purification has a stationary electrode opposing a movable electrode which are positioned about a passageway for the water to be purified. The stationary electrode and movable electrode form an arc gap, and the arc gap is fed with a... | 05/20/2008 |
| 7341658 | Recovery of heavy minerals from a tar sand A process for recovering heavy minerals (e.g., titanium minerals such as TiO2) from a feedstock comprising tar sands or a tar sands-derived solids fraction. The feedstock comprises bitumen and heavy minerals. The process comprises the steps of: (i) contac... | 03/11/2008 |
| 7288170 | Process for producing a ready-to-use electrolyte A process is intended to allow simple and particularly reliable electrolyte generation and conditioning from metal-containing used electrolytes and/or used process solutions and/or pulverulent metal wastes. For this purpose, waste products containing metal ions from... | 10/30/2007 |
| 7189306 | Process of treating lignocellulosic material to produce bio-ethanol This invention relates to a process of treating a lignocellulosic material to produce bio-ethanol. The process includes the steps of: (a) exposing the lignocellulosic material to conditions including a pH not less than about 8, and steam at a first pressure, to prod... | 03/13/2007 |
| 7182851 | Electrolytic commercial production of hydrogen from hydrocarbon compounds This invention concerns the commercial production of electrolytic hydrogen from coal and other hydrocarbon compounds. The process provides high capacity and low impedance compared to conventional diaphragm electrolytic cells. The hydrogen produced is suitable for co... | 02/27/2007 |
| 7169285 | Low temperature refining and formation of refractory metals A low temperature method for reducing and purifying refractory metals, metal compounds, and semi-metals using a catalyst. Using this invention, TiO2 can be reduced directly to Ti metal at room temperature. The catalyst is an ion in an electrolyte that cat... | 01/30/2007 |
| 7144493 | Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor Process for the electrochemical decomposition of precursors in powder form by introducing a powder batch between two electrodes of an electrolysis cell, electrodes being designed to be liquid-permeable, and the electrolyte flowing through the powder batch perpendicu... | 12/05/2006 |
| 7066983 | Method for thiosulfate leaching of precious metal-containing materials Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ lixiviants that include at most only small amounts of copper and/or ammonia and operate at a relatively low pH, reduction of polyth... | 06/27/2006 |
| 7056806 | Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure.... | 06/06/2006 |
| 6977138 | Reactive polymer coatings A method for coating of variable substrates with highly reactive polymers. Its combination with microcontact printing is used for generating several devices such as patterned arrays of ligands for high throughput screening. ... | 12/20/2005 |
| 6958115 | Low temperature refining and formation of refractory metals This invention discloses and claims the low temperature reduction and purification of refractory metals, metal compounds, and semi-metals. The reduction is accomplished using non-aqueous ionic solvents in an electrochemical cell with the metal entity to be reduced. ... | 10/25/2005 |
| 6942810 | Method for treating metal-containing solutions A method for treating an electroless plating liquid or other metal-containing solution that also contains reducing agents. The method includes providing a reaction vessel containing an anode, a cathode, and a hydrogen ion-permeable membrane separating the anode and ... | 09/13/2005 |
| 6911135 | Process for separating metals A method for separating a metal from a composition including the metal involves forming an electrolytic cell in which the anode comprises a composition including the metal. The electrolyte is an ionic liquid. A sufficient potential difference is applied between the ... | 06/28/2005 |
| 6896788 | Method of producing a higher-purity metal A method of producing a higher purity metal comprising the step of electrolyzing a coarse metal material by a primary electrolysis to obtain a primary electrodeposited metal, the step of electrolyzing the material with the primary electrodeposited metal obtained in ... | 05/24/2005 |
| 6893482 | Method for improving metals recovery using high temperature pressure leaching The present invention is directed to a system for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend ... | 05/17/2005 |
| 6881321 | Production, refining and recycling of lightweight and reactive metals in ionic liquids Lightweight and reactive metals can be produced from ore, refined from alloy, and recycled from metal matrix composites using electrolysis in electrolytes including an ionic liquid containing a metal chloride at or near room temperature. Low electric energy consumpt... | 04/19/2005 |
| 6860983 | Recovery and re-use of anode oxygen from electrolytic cells A process and apparatus for recovering a metal from a feedstock containing a compound of the metal. The process includes an electrowinning step in which a leachate comprising a salt of the metal, dissolved in an aqueous acid solution, is subjected to electrowinning ... | 03/01/2005 |
| 6846395 | Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig The present invention relates to an edge insulation member for an electrode plate used for electrolytic refinement of metal, and to a fixing method for it. On a tip portion 22A of a main body 22, a fitting groove 23 and a jaw portion 24 f... | 01/25/2005 |
| 6818119 | Method for processing metals The invention encompasses a method and apparatus for producing high-purity metals (such as, for example, high-purity cobalt), and also encompasses the high-purity metals so produced. The method can comprise a combination of electrolysis and ion exchange followed by ... | 11/16/2004 |
| 6770187 | Method for electrochemically producing an alkali metal from an aqueous solution The invention relates to an electrolysis cell comprising an anode compartment which comprises an aqueous solution of at least one alkali metal salt, a cathode compartment and a solid electrolyte which separates the anode compartment and the cathode compartment from ... | 08/03/2004 |
| 6733653 | Electrowinning cell incorporating metal ion filtration apparatus The present invention relates to an electrowinning cell adapted to recover metal ions from a solution as their corresponding elementary metals. The electrowinning cell includes a reservoir and a filter in fluid communication with the reservoir. The filter is operati... | 05/11/2004 |
| 6730210 | Low temperature alkali metal electrolysis A low temperature alkali metal electrolysis process is provided. The process comprises carrying out the electrolysis in the presence of a co-electrolyte and an alkali metal halide. The co-electrolyte comprises (1) a nitrogen-containing compound and optionally one or... | 05/04/2004 |
| 6685819 | System and method for removing a solution phase metal from process liquor A galvanic cell system (50) in fluid communication with a dewatering system (40) of an inhibited oxidation scrubber (20) removes an oxidation catalyst, i.e., solution phase iron (98), from the process liquor (42) produced by the dewatering system (40) and... | 02/03/2004 |
| 6685820 | Method for treating spent tin/lead stripping solution The present invention relates to a method for treating spent tin or tin/lead stripping solution used in the electronic industry, particularly in the manufacture of printed circuit boards or a lead frames. Said method comprises (i) electrolytically reducin... | 02/03/2004 |
| 6676824 | Process for purification of molten salt electrolytes A process for purification of molten salt electrolytes containing magnesium chloride in which oxygen-containing impurities such as magnesium hydroxychloride are destroyed both electrolytically and chemically. The process comprises passing a direct current... | 01/13/2004 |
| 6626979 | Method for improving metals recovery using high temperature pressure leaching The present invention is directed to a process for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which oth... | 09/30/2003 |
| 6547949 | Method for preventing stray currents in peripheral system parts during an electrolysis process for obtaining metals The electrolyte is supplied from a reservoir through at least one supply line to an electrolysis area including anodes and cathodes and at least one electric d.c. voltage source, and used electrolyte is at least partly recirculated from the electrolysis a... | 04/15/2003 |
| 6485629 | Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant A process for separating a first source of a heavy metal ion or mixtures of heavy metal ions, (Me1), from a solution comprising a complex of said Me1 and EDDS, (Me1 -EDDS), by displacement of said Me1 with a sec... | 11/26/2002 |
| 6478946 | METHOD OF PRODUCING FULVIC, HUMIC, AND ULMIC ACID FOR USE AS AN ELECTROLYTE IN PRODUCING IONIZED BACTEREACIDES FROM PRECIOUS METALS AND METHOD OF PRODUCING IONIZED BACTEREACIDES FROM PRECIOUS METALS AND ORGANIC ACIDS A method of preparing organic acids (fulvic, humic, and ulmic) for use as an electrolyte for producing high ionizations of precious metals (such as silver) which entails leaching out the organic acid from its source, stabilizing the organic acid first wit... | 11/12/2002 |
| 6379527 | Method for waste recycling and conversion Municipal solid waste is classified as to density as well as size in a perforated inclined trommel through which a gas stream is flowed inwardly through the perforations and downwardly to entrain and remove paper and plastics through the lower end. Ferrou... | 04/30/2002 |
| 6368486 | Low temperature alkali metal electrolysis A low temperature alkali metal electrolysis process for carrying out the electrolysis in the presence of a co-electrolyte and an alkali metal halide. The co-electrolyte comprises (1) a nitrogen-containing compound and optionally one ore more Group IB hali... | 04/09/2002 |
| 6355155 | Method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode A method and a device for recovering metals from a metal-containing flow, wherein: a) the metal-containing flow (7) and a solvent (8) are supplied to a dissolving unit (1), whereby a metal-containing solution is formed; b) the metal-containing solution is... | 03/12/2002 |
| 6287448 | Electrochemical production of lithium using a lithium amalgam anode A process for producing metallic lithium starting from an aqueous solution of at least one lithium salt comprises the following steps: (I) Production of a lithium amalgam from an aqueous solution of at least one lithium salt; and (II) Electrolysis using an ano... | 09/11/2001 |
| 6264720 | Separation of heavy metals and materials for use in this The present invention concerns a composition and method for separating heavy metals from contaminated substrates with compositions containing active agent selected from the group consisting of [S,S]-ethylene diamine disuccinic acid and [S,S]-di-imine buta... | 07/24/2001 |
| 6245211 | Process for obtaining titanium or other metals using shuttle alloys The present invention relates to a process for obtaining metals from oxides using shuttle alloys, particularly titanium metal from titanium dioxide in the form of illmenite rutile. The process can be adapted to obtain elemental metal or alloys of metals s... | 06/12/2001 |
