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| Number | Title | Issue Date |
| 7504010 | Anode for electrolysis of aluminum The present invention relates to a dimensionally stable oxygen-evolving anode for use in an electrolytic cell for the production of aluminium. The anode comprises of a container made from an alloy comprising aluminium and at least one metal more noble than aluminium... | 03/17/2009 |
| 7485211 | Electro-catalysts for the oxidation of ammonia in alkaline media An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia oxidation. In some embodiments, the support is platinum, gold, tantalum, or... | 02/03/2009 |
| 7431812 | Surface oxidised nickel-iron metal anodes for aluminium production An anode for the electrowinning of aluminium by the electrolysis of alumina in a molten fluoride electrolyte has an electrochemically active integral outside oxide layer obtainable by surface oxidation of a metal alloy which consists of 20 to 60 weight % nickel; 5 t... | 10/07/2008 |
| 7374647 | Arrangement of an electrode, method for making same, and use thereof A device of an electrode is disclosed, comprising a core and a surface coating of electrically-conductive material, and it is characterized by that the surface coating comprises one or several layers with a pore-free surface, each with a thickness of 0.005 mm to 0.0... | 05/20/2008 |
| 7363110 | Gasket with curved configuration at peripheral edge A gasket having the form of a frame is provided with a curved portion at an inner or outer periphery thereof. When used in combination with a similarly configured gasket, the two gaskets may together, upon compression, form a pinch seal. The curved portion may be pr... | 04/22/2008 |
| 7309411 | Electrolyte media for the deposition of tin alloys and methods for depositing tin alloys An electroplating bath medium for electroplating articles with a tin-cobalt, tin-nickel, or tin-cobalt-nickel alloy comprises: at least one tin salt; an alloying metal salt comprising a cobalt salt and/or a nickel salt; a complexant comprising a hydroxycarboxylic ac... | 12/18/2007 |
| 7268425 | Thermally enhanced electronic flip-chip packaging with external-connector-side die and method A method and apparatus for making a package having improved heat conduction characteristics and high frequency response. A relatively thick package substrate, such as copper, has a wiring layer bonded to one face, leaving the opposite face exposed, for example, to b... | 09/11/2007 |
| 7265890 | Electrochromic infrared tunable filter and emissivity modulator An electrochromic device is usable for tuning and modulating infrared radiation in a spectral region comprising wavelengths between approximately 1 and 30 microns. This device comprises a plurality of thin films successively deposited on a substrate. The first of th... | 09/04/2007 |
| 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 |
| 7232508 | Electrolytic electrode and process of producing the same An electrolytic electrode having an interlayer having more excellent peeling resistance and corrosion resistance and longer electrolytic life than conventional electrolytic electrodes and capable of flowing a large amount of current at the industrial level and a pro... | 06/19/2007 |
| 7211177 | Electrode for electrolysis in acidic media Electrode at least comprising an electroconductive support of a titanium-palladium alloy, titanium, tantalum or compounds or alloys of titanium or of tantalum, an electrochemically active coating and an interlayer between the support and the electrochemically active... | 05/01/2007 |
| 7198868 | Alkaline storage battery An alkaline storage battery having a negative electrode made from a hydrogen absorbing alloy represented by the formula Ln1-xMgxNiy-aMa (where Ln is at least one element selected from rare earth elements, M is at least one... | 04/03/2007 |
| 7189341 | Electrochemical sensor ink compositions, electrodes, and uses thereof The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, as well as methods of making, and methods of using such compositions and electrodes.... | 03/13/2007 |
| 7169270 | Inert anode electrical connection An improved electrical connection between an inert anode and a conductor rod is disclosed. The conductor rod has a smaller diameter than a hole in the anode such that a gap is provided between the conductor rod and the anode. The gap is filled with an electrically c... | 01/30/2007 |
| 7138040 | Electrolytic copper plating method, phosphorous copper anode for electrolytic plating method, and semiconductor wafer having low particle adhesion plated with said method and anode An electrolytic copper plating method characterized in employing phosphorous copper as the anode upon performing electrolytic copper plating, and performing electrolytic copper plating upon making the crystal grain size of the phosphorous copper anode 10 to 1500 μm... | 11/21/2006 |
| 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 |
| 7077937 | Large surface area electrode and method to produce same A large surface area electrode well-suited to electrochemical applications is produced by winding many turns of a metallic fiber tow on to a sheet metal rectangle. In the preferred embodiment, an anode that can be used to purify water by electrochemical production o... | 07/18/2006 |
| 6998032 | Metal-based anodes for aluminium electrowinning cells An anode of a cell for the electrowinning of aluminium comprises a nickel-iron alloy substrate having a nickel metal rich outer portion with an electrolyte pervious integral nickel-iron oxide containing surface layer which adheres to the nickel metal rich outer port... | 02/14/2006 |
| 6972078 | Catalytic powder and electrode made therewith A catalytic powder comprising a plurality of support metal particles with a porous coating (12) surrounding the metal particles (11), the porous coating comprising either an electrocatalytic metal or an electrocatalytic metal continuous phase in admixt... | 12/06/2005 |
| 6878247 | Metal-based anodes for aluminium electrowinning cells An anode of a cell for the electrowinning of aluminium comprises a nickel-iron alloy substrate having an openly porous nickel metal rich outer portion whose surface is electrochemically active. The outer portion is optionally covered with an external integral nickel... | 04/12/2005 |
| 6872286 | Water electrolysis cell A water electrolyte cell can be used with a high energy efficiency over a long period of time. The water electrolyte cell has a pair of catalytic layers and an electrolyte membrane sandwiched between the catalytic layers. The catalytic layers includes an anode catal... | 03/29/2005 |
| 6866768 | Electrolytic cell for production of aluminum from alumina Electrolysis of alumina dissolved in a molten salt electrolyte employing inert anode and cathodes, the anode having a box shape with slots for the cathodes. ... | 03/15/2005 |
| 6855234 | Sinter-bonded direct pin connections for inert anodes A sintered electrode assembly is made of an inert electrode (15) containing a sealed metal conductor (20) having a surface feature (30) such as a coating or wrapping which aids in bond formation with the inert electrode (15) at their inte... | 02/15/2005 |
| 6852204 | Wall construction for electrolytic cell A wall construction for an electrolytic cell to separate oxygen from an oxygen containing gas in which an electrolyte layer of less than 200 microns and a cathode layer of less than 500 microns are supported by an anode that can have a sufficient thickness to also c... | 02/08/2005 |
| 6830673 | Anode assembly and method of reducing sludge formation during electroplating A higher applied potential may be provided to a consumable anode to reduce sludge formation during electroplating. For example, a higher applied potential may be provided to a consumable anode by decreasing the exposed surface area of the anode to the electrolyte so... | 12/14/2004 |
| 6805777 | Mechanical attachment of electrical current conductor to inert anodes An inert anode (10) for use in an electrolysis process to make metals such as aluminum, contains a hollow interior with an open top portion (16), an interior closed bottom (18) and interior walls (19) where the top interior side walls ( | 10/19/2004 |
| 6790324 | Hydrogen producing apparatus An apparatus for producing orthohydrogen and/or parahydrogen. The apparatus includes a container holding water and at least one pair of closely-spaced electrodes arranged within the container and submerged in the water. A first power supply provides a particular fir... | 09/14/2004 |
| 6783656 | Low temperature operating cell for the electrowinning of aluminium A cell for the electrowinning of aluminum using anodes (10) made from a alloy of iron with nickel and/or cobalt is arranged to produce aluminum of low contamination and of commercial high grade quality. The cell comprises a cathode (20) of drained conf... | 08/31/2004 |
| 6761808 | Electrode structure An electrode structure for use, for example, in a bipolar electrolyser comprising (i) a pan with a dished recess and a flange around the periphery thereof for supporting gasket means for sealing a separator between the flanges in adjacent electrode structures, which... | 07/13/2004 |
| 6723222 | Cu-Ni-Fe anodes having improved microstructure A method of producing aluminum in a low temperature electrolytic cell containing alumina dissolved in an electrolyte. The method comprises the steps of providing a molten electrolyte having alumina dissolved therein in an electrolytic cell containing the electrolyte... | 04/20/2004 |
| 6699336 | Amorphous electrode compositions An electrode composition that includes an electrode material consisting essentially of at least one electrochemically inactive elemental metal and at least one electrochemically active elemental metal in the form of an amorphous mixture at ambient tempera... | 03/02/2004 |
| 6673223 | Gas sensing and oxygen pumping device, and apparatus using the same The present invention discloses a gas sensing device, an oxygen pumping cell, and a gas detection apparatus using the same for detecting lower ranges of gas concentration with high accuracy and stability. An under layer made of oxygen-ion-conductive solid... | 01/06/2004 |
| 6673309 | Sacrificial anode for cathodic protection and alloy therefor An alloy for a sacrificial anode according to a first preferred aspect of the present invention includes about 10% to about 50% of Zn, about 0.03% to about 0.6% of In, and about 0.0005% to about 0.05% of Zr. The balance may be Al and any unavoidable impur... | 01/06/2004 |
| 6669828 | Cathode for electrolysis cells A cathode is made of an electrically conducting support with a coating of electrochemically deposited lead with a density between 0.001 and 2 g/cm3.... | 12/30/2003 |
| 6638401 | High discharge capacity electrolytic manganese dioxide and methods of producing the same The present invention provides improved cathode material comprised of electrolytic manganese dioxide having high discharge capacity at high discharge rates and methods of producing such electrolytic manganese dioxide by electrolysis in an electrolytic cel... | 10/28/2003 |
| 6638406 | Hydrocarbon sensor and method for producing the same A hydrocarbon sensor of the present invention includes a substrate made of a solid electrolyte that conducts protons, and a pair of electrodes formed on the substrate, and at least one electrode of the pair of electrodes contains Au and Al. Assuming that ... | 10/28/2003 |
| 6632337 | Electrode for the electrochemically fine-boring workpieces and method for producing the same An electrode for the electrochemical fine-boring of workpieces includes an electrode tube for an electrolyte to pass through to reach a workpiece which is to be machined, and an electrical conductor which is connected to the electrolyte, in which electrod... | 10/14/2003 |
| 6627055 | Manufacture of fine-grained electroplating anodes A continuously cast copper ingot is made by a procedure in which turbulence is imparted to the metal/solid interface during the casting operation. The ingot is then hot worked to form a billet having a smaller average grain size and a larger diameter than... | 09/30/2003 |
| 6623611 | Zircalloy tipped ECP sensor electrode An electrochemical corrosion potential sensor electrode is formed with a zircalloy electrode tip having a closed end and an open end, the open end secured to a ceramic insulator, with a conductor wire extending through the insulator into the electrode tip... | 09/23/2003 |
| 6616826 | Electrolysis apparatus and methods using urania in electrodes, and methods of producing reduced substances from oxidized substances The present invention includes uranium-bearing ceramic phase electrodes and electrolysis apparatus and electrolysis methods featuring same, including methods of metal production and the like by the electrolytic reduction of oxides or salts of the respecti... | 09/09/2003 |
