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| Number | Title | Issue Date |
| 7566389 | Electrode The present invention relates to a method of preparing an electrode comprising providing an electrode substrate, depositing on said electrode substrate a first substantially aqueous coating solution comprising precursors of a valve metal oxide and of at least two pl... | 07/28/2009 |
| 7335292 | Sensor with improved shelf life The present invention provides a metal electrode stabilized by a coating, the coating comprising a sulfur containing moiety in its molecular structure. The coating may also include a hydrophilic group and a spacer between the sulfur containing moiety and the hydroph... | 02/26/2008 |
| 6733639 | Electrode The invention relates to a gas diffusion electrode (1) comprising a hydrophobic gas diffusion layer (3b), a reaction layer (3a), and a hydrophilic layer (5) arranged in the mentioned order wherein the reaction layer (3 | 05/11/2004 |
| 6652734 | Sensor with improved shelf life The present invention provides a metal electrode stabilised by a coating, the coating comprising a sulfur containing moiety in its molecular structure. The coating may also include a hydrophilic group and a spacer between the sulfur containing moiety and ... | 11/25/2003 |
| 6527924 | Cathode for electrolyzing aqueous solutions A cathode comprising an electrically conductive substrate made of titanium, nickel, tantalum, zirconium, niobium, iron or alloys thereof, coated with an intermediate layer of oxides of titanium and of a precious metal, and with an outer layer comprising m... | 03/04/2003 |
| 6475358 | Method for providing a protective coating for carbonaceous components of an electrolysis cell A method of treating a carbonaceous cell component of an electrolyte cell for the production of aluminum, to impart protection against deterioration during operation of the cell. A liquid suspension of a refractory material dispersed in a lignosulfonate b... | 11/05/2002 |
| 6454926 | Semiconductor plating system workpiece support having workpiece-engaging electrode with submerged conductive current transfer areas A semiconductor workpiece holder used in electroplating systems for plating metal layers, such as copper, onto a semiconductor workpiece. The workpiece holder includes electrodes which extend and are partially submerged in a liquid plating bath. The elect... | 09/24/2002 |
| 6436259 | Mercury selective electrode The present invention is an apparatus for laboratory and field use in detecting and measuring Hg+ and Hg2+ in sample. A selective mercury binding agent, such as a chelating agent or clathrating agent, is covalently bound in a copolym... | 08/20/2002 |
| 6409893 | Photoelectrochemical cell A photoelectrochemical cell, with a work electrode and a counter electrode that is arranged opposite the work electrode and whose electrochemically active surfaces are facing each other and with an electrolyte being arranged between the surfaces which con... | 06/25/2002 |
| 6368488 | Modified platinum substrates for oxygen reduction An electrode (10, 112) containing platinum has its surface modified with sulfur, tellurium, or selenium, or compounds thereof, which renders the surface highly selective for the conversion of oxygen to hydrogen peroxide. The high selectivity of the electr... | 04/09/2002 |
| 6352625 | Specific cathode, used for preparing an alkaline metal chlorate and method for making same The invention relates to a specific cathode comprising a substrate made of an element chosen from the group formed by titanium, nickel, tantalum, zirconium, niobium and alloys thereof, the said substrate being coated with an interlayer of a mixed oxide ba... | 03/05/2002 |
| 6319293 | Membrane electrode assembly A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This in... | 11/20/2001 |
| 6221220 | Portable device for deionizing liquids A self-contained, portable device for decomposing ions present in a liquid includes a housing shaped to be held within a human hand; a source of electric current; an anode that is comprised of an inert material, attached to the housing and in electrical c... | 04/24/2001 |
| 6146506 | Fluorine cell An electrochemical cell for the production of fluorine includes an anode having a carbon portion partially or fully impregnated with a polymeric material and a conductive centrally disposed internal channel that permits the anode to be run at high current... | 11/14/2000 |
| 6127059 | Gas diffusion layer for solid polymer electrolyte fuel cell A gas diffusion layer for a solid polymer electrolyte fuel cell having a solid polymer electrolyte and a catalyst layer disposed adjacent to the solid polymer electrolyte, where the gas diffusion layer includes a carbon fiber woven cloth having a surface ... | 10/03/2000 |
| 6123875 | Process for producing a rubber elastic copolymer, an ion-conducting thin membrane composition containing the copolymer, an ion-conducting thin membrane and a process for producing the same, and a solid electrochemical material containing the membrane The present invention relates to a process for producing a styrene-maleic acid polyethyleneoxy ester copolymer from compositions comprising a styrene-maleic anhydride copolymer, polyethyleneglycol and polyethyleneglycol monoalkyl ether (in a weight ratio ... | 09/26/2000 |
| 6107080 | Biosensor device and method A biosensor apparatus for detecting a binding event between a ligand and receptor. The apparatus includes an electrode substrate coated with a high-dielectric hydrocarbon-chain monolayer, and having ligands attached to the exposed monolayer surface. Bindi... | 08/22/2000 |
| 6099704 | Asbestos-free cathodic element suitable for electrolysis of sodium chloride solution This invention covers a cathodic element free from asbestos fibres that can be obtained by deposition after filtration through a porous medium of an aqueous suspension comprising electrically conductive fibres, at least one cationic polymer, at least one ... | 08/08/2000 |
| 6099712 | Semiconductor plating bowl and method using anode shield A semiconductor plating bowl which includes a shield on a consumable anode. The shield is preferably made from a dielectric material, such as a plastic. The shield is placed in the area upon which flowing plating fluid would otherwise impinge upon the pro... | 08/08/2000 |
| 6059944 | Diaphragm for electrolytic cell A method of forming a liquid-permeable asbestos-free diaphragm on a cathode structure is described. The method comprises forming a liquid-permeable diaphragm base mat comprising fibrous synthetic polymeric material, e.g., polytetrafluoroethylene, on a cat... | 05/09/2000 |
| 6040077 | Catalyst for membrane electrode assembly and method of making Nanostructured elements are provided for use in the electrode of a membrane electrode assembly for use in fuel cells, sensors, electrochemical cells, and the like. The nanostructured elements comprise acicular microstructured support whiskers bearing acic... | 03/21/2000 |
| 6019880 | HgO-modified electrode for anodic stripping analysis Two types of HgO-modified electrodes are disclosed. The HgO-modified electrode according to the present invention comprises, HgO particles as precursor of mercury, which can be exposed on the surface of the said electrode and then can be reduced electroch... | 02/01/2000 |
| 5985116 | Biosensor The biosensor of the present invention has a reaction layer that contains at least an oxidoreductase and an electron acceptor and is formed on an electrode system including a working electrode and a counter electrode on a base plate. The working electrode... | 11/16/1999 |
| 5980705 | Electrode for the electrochemical detection of nitric oxide Nitric oxide-specific electrodes are useful for in situ detection of nitric oxide in biomedical applications and have at least a surface region thereof which is capable of forming complexes with nitric oxide, for example, nitrosyl complexes. The nitric ox... | 11/09/1999 |
| 5968325 | Auto-electrolytic hydrogen generator An auto-electrolyte hydrogen generating reactor having a plurality of cells. The cells are stacked in series in an electronically non-conductive housing. Each cell is separate from its neighbour by electronically conductive bipolar walls. Each cell compri... | 10/19/1999 |
| 5964990 | Device for cleaning metal surfaces The device proposed for cleaning metal surfaces consist of pad (12, 34, 91) of insulating material held between a beak-shaped (11, 52, 94) electrode (10, 26, 46) and the metal surface (8) to be cleaned, plus a low-voltage a.c. power supply (2) which is co... | 10/12/1999 |
| 5964992 | Reference electrode for monitoring steel-in-concrete potentials A graphite reference electrode for use in the cathodic protection of steel embedded in concrete has been produced with a stable catalyzed structure that when equilibrated with air or oxygen and an electrolyte reaches a reproducible and reversible redox po... | 10/12/1999 |
| 5958197 | Catalysts for gas diffusion electrodes A gas diffusion electrode comprising an electrically conductive web provided on at least one side thereof with a coating containing a rhodium--rhodium oxide catalyst on a carbon black support and a method for the preparation of the rhodium--rhodium oxide ... | 09/28/1999 |
| 5944966 | Low hydrogen overvoltage cathode and process for production thereof A novel cathode of low hydrogen overvoltage is provided which is useful for electrolysis of water and electrolysis of an aqueous alkali metal chloride such as sodium chloride. A process for producing the cathode is also provided. The low hydrogen overvolt... | 08/31/1999 |
| 5935392 | Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes A carbon fiber electrode is coated with a noble metal oxide to create a noble metal oxide electrode with a very large surface area. According to a presently preferred embodiment, the noble metal oxide is iridium oxide. A method of making the electrode inc... | 08/10/1999 |
| 5908540 | Copper anode assembly for stabilizing organic additives in electroplating of copper A process and assembly for stabilizing organic additives in an electrolytic solution while electroplating copper. The process includes forming a protective film on a first surface of an anode and minimizing contact between the electrolytic solution and a ... | 06/01/1999 |
| 5879828 | Membrane electrode assembly A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This in... | 03/09/1999 |
| 5874039 | Low work function electrode A substrate is coated with a compound comprised of a cation completed by a heterocyclic multidentate ligand, which provides a surface having a low work-function and facilitates the emission of electrons.... | 02/23/1999 |
| 5871625 | Magnetic composites for improved electrolysis Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different chemical species. Devices utilizing the composites include an ... | 02/16/1999 |
| 5863395 | Electrochemical cell having a self-regulating gas diffusion layer The invention relates to an electrochemical cell having an electrode with a catalyst layer and a gas diffusion layer. The cell also includes a mass flow field for directing fluid to and away from the electrode. An additional gas diffusion layer is dispose... | 01/26/1999 |
| 5851677 | Coating composition for carbon-containing products and said coating Composition for a coating protecting the surfaces of carbon-containing products exposed to a hot, oxidizing environment such as the parts of anodes not immersed in the molten salt bath and the liners of the aluminum electrolysis cells and more generally t... | 12/22/1998 |
| 5824199 | Electrochemical cell having an inflatable member A conductive inflatable member is provided in an electrochemical cell between an electrode and a current for providing uniform contact pressure, and thus uniform electrical contact between the electrode and the current bus. The inflatable member may compr... | 10/20/1998 |
| 5817221 | Composites formed using magnetizable material, a catalyst and an electron conductor Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different species of materials, for example, transition metal species su... | 10/06/1998 |
| 5810980 | Low work-function electrode A metal surface is coated with a heterocyclic multidentate ligand compound, reducing work function and facilitating the emission of electrons.... | 09/22/1998 |
| 5786040 | Methods for coating surfaces with magnetic composites exhibiting distinct flux properties A method for coating a surface with a magnetic composite material exhibiting distinct flux properties due to gradient interfaces within the composite. Surfaces coated with such a composite can be used to improve fuel cells and to effect improved transport... | 07/28/1998 |
