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| Number | Title | Issue Date |
| 7776200 | Structure and method of manufacturing the same A method for manufacturing a structure including tungsten as a main component and tungsten carbide is provided. In the structure, the content of carbon is at least 0.1% by mass and the total content of cobalt, nickel, and iron is 3% or less by mass, respectively bas... | 08/17/2010 |
| 7338588 | Intermetallic compounds A method for the production of an intermetallic compound (M1Z) involves treating a solid precursor material comprising three or more species, including first and second metal or metalloid species (M1, Z) and a non-metal species (X), by electro-... | 03/04/2008 |
| 7255893 | Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings A method of forming a dense and crack-free hematite-containing protective layer on a metal-based substrate for use in a high temperature oxidising and/or corrosive environment comprises applying onto the substrate a particle mixture consisting of: 60 to 99 95 weight... | 08/14/2007 |
| 7255894 | Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings A method of manufacturing a component, in particular an aluminium electrowinning anode, for use at elevated temperature in an oxidising and/or corrosive environment comprises: applying onto a metal-based substrate layers of a particle mixture containing iron oxide p... | 08/14/2007 |
| 7235161 | Stable anodes including iron oxide and use of such anodes in metal production cells Stable anodes comprising iron oxide useful for the electrolytic production of metal such as aluminum are disclosed. The iron oxide may comprise Fe3O4, Fe2O3, FeO or a combination thereof. During the electrolytic aluminum p... | 06/26/2007 |
| 7150818 | Process for electrochemical deposition of tantalum and an article having a surface modification A process for electrochemical deposition of tantalum on an article in an inert, non-oxidizing atmosphere, or under vacuum, in a molten electrolyte containing tantalum ions, comprising the steps of: immersing the article into the molten electrolyte heated to a workin... | 12/19/2006 |
| 7077945 | Cu—Ni—Fe anode for use in aluminum producing electrolytic cell A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of less than 900° C. having alumina dissolved therein in an electrolytic c... | 07/18/2006 |
| 7074314 | Liquid repellent member, method for manufacturing liquid repellent member, ink jet head using liquid repellent member, method for manufacturing ink jet head and method for supplying ink The present invention provides a liquid repellent member applied to ink jet, comprising a carbon substrate, and a liquid repellent film formed on a surface of the carbon substrate and formed by bonding between carbon and fluorine. ... | 07/11/2006 |
| 7005404 | Substrates with small particle size metal oxide and noble metal catalyst coatings and thermal spraying methods for producing the same A substrate having a catalytic surface thereon characterized as a coating of metal oxide and noble metal particles in the nominal diameter size distribution range of | 02/28/2006 |
| 6936155 | Method for electroplating of tantalum The present invention provides a method of electrolytically forming a tantalum film by using a molten-salt electrolytic bath having a low temperature. The electrolytic bath includes a molten salt containing tantalum pentachloride, alkylimidazolium chloride, and an a... | 08/30/2005 |
| 6863792 | Method of making electrochemical detectors based on iridium oxide A conductive oxide solid formed through an electrochemical process. The resulting solid predominantly contains oxides of the highest oxidation state. Additionally, the solid can be thick, uniform, stable across a wide range of acidity and temperature, fully hydrated... | 03/08/2005 |
| 6783655 | Slurry and method for producing refractory boride bodies and coatings for use in aluminium electrowinning cells A refractory boride body or coating made of a boride of titanium, chromium, vanadium, ziconium, hafnium, niobium, tantalum, molybednum and cerium is produced from a slurry of the refractory boride or a precursor in a collidal carrier preferably composed of two more ... | 08/31/2004 |
| 6767665 | Method for producing molten salts with an extruder and use of the molten salts The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt. ... | 07/27/2004 |
| 6719889 | Cathode for aluminum producing electrolytic cell A method of producing aluminum in an electrolytic cell comprising the steps of providing an anode in a cell, preferably a non-reactive anode, and also providing a cathode in the cell, the cathode comprised of a base material having low electrical conductivity reacti... | 04/13/2004 |
| 6423389 | Metal tube armored linear body, metal tube armoring linear body, method and apparatus for manufacturing metal tube armored linear body An object is to provide a metallic-conduit-armored type linear member in which a linear member and the like contained in a metallic conduit do not become damaged and a defect in the metallic conduit can be repaired, a metallic conduit for armoring the lin... | 07/23/2002 |
| 6248227 | Slow consumable non-carbon metal-based anodes for aluminium production cells A non-carbon, metal-based slow-consumable anode of a cell for the electrowinning of aluminium self-forms during normal electrolysis an electrochemically-active oxide-based surface layer (20). The rate of formation (35) of the layer (20) is substantially e... | 06/19/2001 |
| 6214194 | Process of manufacturing layers of oxygen ion conducting oxides The electrochemical formation of oxygen ion conducting solid oxide layers is achieved by the cathodic deposition of the oxide layers from a melted salt bath of alkali element halides containing dissolved metal halides which provide the metal cations from ... | 04/10/2001 |
| 6207035 | Method for manufacturing a metallic composite strip A method for manufacturing a metal composite strip for the production of electrical contact components. A film made of tin or a tin alloy is first applied onto an initial material made of an electrically conductive base material. A film of silver is then ... | 03/27/2001 |
| 6200453 | Monolith electroplating process An electroplating process for preparing a monolith metal layer over a polycrystalline base metal and the plated monolith product. A monolith layer has a variable thickness of one crystal. The process is typically carried in molten salts electrolytes, such... | 03/13/2001 |
| 6086741 | Process for sulfurizing treatment of ferrous articles A process for sulfurizing treatment of ferrous articles comprises positioning an electrolysis crucible containing a molten-salt bath of potassium thiocyanate and sodium thiocyanate and a pretreatment crucible containing a molten-salt bath of substantially... | 07/11/2000 |
| 6001236 | Application of refractory borides to protect carbon-containing components of aluminium production cells Carbon-containing components of cells for the production of aluminium by the electrolysis of alumina dissolved in a cryolite-based molten electrolyte are protected from attack by liquid and/or gaseous components of the electrolyte in the form of elements,... | 12/14/1999 |
| 5545305 | Method for the electrochemical deposition of REBa2 Cu3 O7-x superconductors Crystalline REBa2 Cu3 O7-x superconductors are obtained by a constant-potential or current density electrochemical deposition in an alkaline hydroxide molten flux in a three-electrode, single-compartment cell operating at ... | 08/13/1996 |
| 5423974 | Plastic supported metallic sheets obtained by metallization-plating Metallization under vacuum, on at least one face of a plastic film so as to give a substrate including a metallic surface, which substrate is sufficiently electrically conductive to permit a uniform electrochemical deposit. The latter is carried out by el... | 06/13/1995 |
| 5413700 | Treating oxidized steels in low-sulfur reforming processes A method for reforming hydrocarbons comprising coating portions of a reactor system with a material more resistant to carburization, reacting the material with metal oxides existing in the portions of the reactor system prior to coating, fixating or remov... | 05/09/1995 |
| 5405525 | Treating and desulfiding sulfided steels in low-sulfur reforming processes A method for reforming hydrocarbons comprising coating portions of a reactor system with a material more resistant to carburization, reacting the material with metal sulfides existing in the portions of the reactor system prior to coating, fixating and re... | 04/11/1995 |
| 5403468 | Process for the manufacture of tinplate using a fused tin chloride electroplating bath A process for the manufacture of tinplates comprising electroplating a substrate in a fused-chloride tin plating bath at a temperature of about 150° to 350° C., a current density of about 100 to 500 A/dm2 in an atmosphere of a non-oxidizing g... | 04/04/1995 |
| 5348626 | Electrolytic recovery of reactor metal fuel A new electrolytic process and apparatus are provided using sodium, cerium or a similar metal in alloy or within a sodium beta or beta"-alumina sodium ion conductor to electrolytically displace each of the spent fuel metals except for cesium and strontium... | 09/20/1994 |
| 5346608 | Method for obtaining neodymium or neodymium-iron alloy by electrolysis of melts containing neodymium compounds Neodymium and neodymium-iron alloys are obtained by electrolysis of a neodymium salt melt using magnetite as the anode material. The cathode is non-consumable or is made of iron to be consumed and form a neodymium-iron alloy. The electrolysis is preferabl... | 09/13/1994 |
| 5340448 | Aluminum electrolytic cell method with application of refractory protective coatings on cello components An adherent protective coating of a refractory material is produced on the surface of carbonaceous, refractory, ceramic, metallic or other materials serving as components of electrolytic cells operating at high temperature, by applying to such surfaces a ... | 08/23/1994 |
| 5318688 | Method of preparing a membrane Gases such as hydrogen/hydrocarbon may be separated by a separating membrane of a Group VIII noble metal on a deposit of non-noble Group VIII metal which is supported on a porous silver or a porous carbon body.... | 06/07/1994 |
| 5310476 | Application of refractory protective coatings, particularly on the surface of electrolytic cell components An adherent protective coating of a refractory material is produced on the surface of carbonaceous, refractory, ceramic, metallic or other materials serving as components of electrolytic cells operating at high temperature, by applying to such surfaces a ... | 05/10/1994 |
| 5282937 | Use of ion conductors in the pyrochemical reduction of oxides An electrochemical process and electrochemical cell for reducing a metal oxide are provided. First the oxide is separated as oxygen gas using, for example, a ZrO2 oxygen ion conductor anode and the metal ions from the reduction salt are reduced... | 02/01/1994 |
| 5264111 | Methods of making thin InSb films A method of electrodepositing a film including the steps of immersing a conductive substrate opposite a counterelectrode in an organochloroindate melt comprising a salt of at least one metal selected from the group consisting of phosphorus, arsenic, and a... | 11/23/1993 |
| 5258103 | Process for producing terbium alloy or terbium metal A process for producing a terbium alloy or terbium metal in which terbium(III) oxide substantially free from terbium(IV) oxide as the starting substance is subjected to electrolytic reduction in a molten salt electrolysis bath is described. According to t... | 11/02/1993 |
| 5227045 | Supersaturation coating of cathode substrate This invention relates to a process of electrowinning molten aluminum from alumina dissolved in molten fluoride salts which is essentially cryolite. More specifically the process relates to the treatment of aluminum reduction cell drained solid cathode su... | 07/13/1993 |
| 5158655 | Coating of cathode substrate during aluminum smelting in drained cathode cells The invention relates to a process of electrowinning molten aluminum from alumina dissolved in molten fluoride salts which are essentially cryolite. More specifically the process relates to placing refractory metal raised cathode structures in aluminum re... | 10/27/1992 |
| 5128000 | Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid A dimensionally stable anode comprised of a) an electrically conductive valve metal b) a conductive intermediate layer and c) an electrode coating of an electrocatalytically active substance, wherein the intermediate layer comprises one or more noble metals or thei... | 07/07/1992 |
| 5028301 | Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells This invention relates to a process for electrowinning molten aluminum from alumina dissolved in molten fluoride salts which are essentially cryolite. More specifically the process relates to the treatment of aluminum reduction cell drained solid cathode ... | 07/02/1991 |
| 4966659 | Method for molten salt electroplating of steel A method and apparatus for molten salt electroplating a steel member are disclosed, in which the surface of the steel member is activated by anodic treatment and the molten salt electroplating is performed on the activated surface of said steel member.... | 10/30/1990 |
| 4923579 | Electrochemical process for zirconium alloy recycling A major cost component for zirconium alloy manufacture and fabrication is metal scrap generation during fabrication. This scrap, which has already incurred the entire process conversion cost from zircon sand to metal refining, constitutes an expensive cos... | 05/08/1990 |
