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| Number | Title | Issue Date |
| 7247229 | Coatings for the inhibition of undesirable oxidation in an electrochemical cell A process for electroplating of metal utilizing a valve metal electrode substrate containing multiple coating layers is disclosed. A top coating layer of a valve metal oxide is applied over a first coating layer of an electrochemically active coating. The electrode ... | 07/24/2007 |
| 7200907 | Method of manufacturing piezoelectric device Exemplary embodiments of the present invention provide a method of manufacturing a piezoelectric device that includes a piezoelectric layer having high crystallinity in which crystal orientation is aligned to a desired direction, a method of manufacturing a ferroele... | 04/10/2007 |
| 6572758 | Electrode coating and method of use and preparation thereof An electrolytic cell producing sodium chlorate uses an electrode, specifically an anode, having a surface or coating or treatment of a mixed metal oxide having ruthenium oxide as an electrocatalyst, a precious metal of the platinum group or its oxide as a... | 06/03/2003 |
| 5993620 | Anode for diaphragm electrochemical cell The invention discloses a novel structure for an expandable anode to be used in diaphragm cells. This new structure comprises a conductor bar in the form of a copper core provided with a titanium layer having a first and a second pair of flexible expander... | 11/30/1999 |
| 4530742 | Electrode and method of preparing same Disclosed are electrodes, e.g., cathodes useful for the preparation of alkali metal halates. The electrodes comprise a substrate selected from the group consisting of titanium, steel, copper, nickel and silver and, in one embodiment, a coating of a Group ... | 07/23/1985 |
| 4528077 | Membrane electrolytic cell for minimizing hypochlorite and chlorate formation An electrolytic cell for the electrolysis of an alkali metal chloride brine is comprised of an anode compartment and a cathode compartment separated by a cation exchange membrane. The anode is comprised of an unflattened expanded structure of a valve meta... | 07/09/1985 |
| 4507183 | Ruthenium coated electrodes An electrode produced by electroplating ruthenium metal on a substrate from a nonacidic ruthenium-containing electroplating solution.... | 03/26/1985 |
| 4405418 | Process for the production of sodium chlorate A process for the production of sodium chlorate comprising electrolyzing an aqueous sodium chloride solution in a diaphragmless sodium chlorate cell, characterized in that an aqueous sodium chloride solution containing, as impurities, calcium, magnesium, ... | 09/20/1983 |
| 4377454 | Noble metal-coated cathode Cathodes comprising a conductive metal substrate, such as a ferrous metal or titanium, having thereon an intermediate protective layer and an overcoating of a mixture of platinum and another noble metal are prepared. These cathodes function in aqueous alk... | 03/22/1983 |
| 4339312 | Continuous process for the direct conversion of potassium chloride to potassium chlorate by electrolysis A continuous closed-loop process for directly producing potassium chlorate by electrolysis of an aqueous potassium chloride solution with a metal anode is described. The process provides surprising advantages in efficiency by comparison with conventional ... | 07/13/1982 |
| 4332648 | Electrolytic apparatus for the manufacture of alkali metal halate An improved electrolytic apparatus for the production of an alkali metal halate, such as sodium chlorate, from an aqueous solution of alkali metal halide, such as sodium chloride, includes modular, vertical anodes and cathodes in alternating relationship ... | 06/01/1982 |
| 4295951 | Film-coated cathodes for halate cells A film-coated cathode is provided for the electrolysis of alkali metal halide solutions in the substantial absence of chromium ions. The cathode comprises a conductive substrate, such as titanium, steel, iron, or alloys thereof, coated with an adherent, p... | 10/20/1981 |
| 4267025 | Electrodes for electrolytic processes, especially perchlorate production An electrode especially for the production of chlorates and perchlorates comprising an electrically-conductive corrosion-resistant substrate having an electrocatalytic coating which is preferably a mixture of 40 to 85 parts by weight of platinum, 0 to 20 ... | 05/12/1981 |
| 4186066 | Electrolysis cathodes with Ag-Ti intermetallic coating A cathode for use in an electrolytic process which comprises a substrate metal with a surface coating of a silver-titanium intermetallic formed in situ on the cathode.... | 01/29/1980 |
| 4134805 | Process for electrolysis An electrolysis cell having a housing with an inlet and an outlet for a through-flowing electrolyte and at least three monopolar electrodes, each comprising plates fastened on a common carrier in parallel array. The plates of one polarity extend into the ... | 01/16/1979 |
| 4049513 | Treatment of cell anodes An electrode having a conductive platinum alloy coating and which has deteriorated in use in an electrolytic chlorate cell is heat treated at elevated temperatures of above 300° C to regenerate the coating. The regeneration of the coating is exhibited by... | 09/20/1977 |
| 4040918 | Method of activating an anode Disclosed is an improved method of conducting electrolysis where a first electrode and a second electrode are inserted in an electrolyte, and an electrical current passes from one of the electrodes to the other electrode. At least one of the electrodes ha... | 08/09/1977 |
| 4032426 | Electrolysis cells Novel vertical multiunit electrolyzers with bipolar metallic electrodes for the electrolysis of halide containing electrolytes to produce oxidized halogen compounds and to a novel electrolysis of electrolytes which is designed to produce a gas lift effect... | 06/28/1977 |
| 3986942 | Electrolytic process and apparatus An electrode, for use in electrolytic processes, comprises a valve metal substrate, such as titanium, a coating thereon of conductive tin oxide, and an outer coating of a noble metal or noble metal oxide. The electrode is particularly adapted to use in a ... | 10/19/1976 |
| 3956083 | Electrochemical anode and process using the anode An electrode for use in electrolytic processes, comprises a valve metal substrate, a coating thereon of conductive tin oxide containing a doping amount of tellurium, preferably up to about 0.3 mole percent of tellurium, based on moles of tin, and an outer... | 05/11/1976 |
| 3945907 | Electrolytic cell having rhenium coated cathodes The use of composite cathodes comprising a metal substrate having thereon a coating of rhenium in electrolytic cells for the electrolysis of aqueous alkali metal halide solutions reduces the cell voltage requirements in comparison to the conventional ferr... | 03/23/1976 |
| 3943042 | Anode for electrolytic processes An electrode for use in electrolytic processes, comprises a valve metal substrate, a coating thereon of conductive tin oxide containing a doping amount of tungsten, preferably up to about one mole percent of tungsten, based on moles of tin, and an outer c... | 03/09/1976 |
| 3940323 | Anode for electrolytic processes An electrode, for use in electrolytic processes, comprises a valve metal substrate, such as titanium, a coating thereon of electroconductive tin oxide containing a doping amount of molybdenum, preferably about 0.1 to about 15 mole percent of molybdenum ba... | 02/24/1976 |
