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| Number | Title | Issue Date |
| 7134619 | Method of separating and processing catalyst carriers A method of separating and processing a catalyst carrier that is contained in a processing object that includes a catalyst carrier metal cover to which an exhaust gas pipe is still connected, magnetic carrier foil or a ceramic carrier, a surface-enlarging coating fi... | 11/14/2006 |
| 6270913 | Apparatus for manufacturing metallic fibers, method of manufacturing twine of metallic fibers, twine of metallic fibers and method of coloring metallic fiber A method of manufacturing a metallic fiber in which from a convergent extended wire, which is formed by a metallic fiber and a matrix member which is formed of a metallic material and whose dissolvability is higher than the dissolvability of the metallic ... | 08/07/2001 |
| 6176999 | Feedback controlled stripping of airfoils A process for electrochemically stripping a coating from an airfoil that includes immersing the airfoil in the electrochemical acid bath for a sufficient period of time to remove the coating from the airfoil while maintaining a controlled absolute electri... | 01/23/2001 |
| 5997719 | Electrochemical process for refining platinum group metals with ammonium chloride electrocyte A process for purifying and refining platinum group metals such as platinum, iridium, palladium, rhodium and the like by an electrochemical process using ammonium chloride as the electrolyte to form ammonium chloride platinum group salts as a "slime" foll... | 12/07/1999 |
| 5900135 | Method of producing components on a metal film basis A method of producing components, which include a metal film on a carrier, comprises the following steps: applying a metal film to a first carrier; structuring the metal film; reducing an adherence between the first carrier and the metal film by electrica... | 05/04/1999 |
| 5858200 | Method of and apparatus for manufacturing metallic fiber and the twine of metallic fibers, and method of coloring metallic fiber and the twine of metallic fibers A method of manufacturing a metallic fiber in which from a convergent extended wire, which is formed by a metallic fiber and a matrix member which is formed of a metallic material and whose dissolvability is higher than the dissolvability of the metallic ... | 01/12/1999 |
| 5783062 | Process for the treatment, by an electrochemical route, of compositions containing precious metals with a view to their recovery The invention relates to a process of treatment for the recovery of the precious metals, such as platinum, rhodium and palladium, contained in various compositions including a layer of oxide(s) which is deposited on a metal support, in particular worn or ... | 07/21/1998 |
| 5368704 | Micro-electrochemical valves and method A micromachined valve and valve array having one or more pores which are electrochemically opened and closed by dissolving and redepositing a barrier layer across a tiny opening or pore in substrate. The pore is spanned by two electrodes which apply a vol... | 11/29/1994 |
| 5152878 | Method for electrochemical cleaning of metal residue on molybdenum masks An electrochemical method for selective removal of the metallic residual stain which forms on molybdenum masks during processing of integrated circuits. The method forms an electrolytic cell which has, as its elements, the mask as the anode, an electrolyt... | 10/06/1992 |
| 5098534 | Composition and method for electrolytically stripping silver A composition comprising succinimide and/or phthalimide and an alkali metal hydroxide is effective for electrolytically stripping silver. Unnecessary silver coating portions can be electrolytically stripped from a silver-plated article by immersing the ar... | 03/24/1992 |
| 4977038 | Micro- and nano-porous metallic structures Micro- and nano-porous metal structures including an alloy of one or more noble metals and substantially uniform and interconnected porosity in pore sizes ranging from three nanometers to 10 micrometers produced by a process including the following steps:... | 12/11/1990 |
| 4968397 | Non-cyanide electrode cleaning process An electrolytic process employing a water solution of metal lactates or lactic acid and metal hydroxides, rapidly and safely removes metal plating bleed, residual oxides or the like (stains), plastic flash, resin bleed and deflashing media, from electrode... | 11/06/1990 |
| 4775452 | Process for dissolution and recovery of noble metals Disclosed herein is a process for dissolving and recovering noble metals form used catalysts. Noble metal components are leached out from particles supporting or containing at least one noble metal or noble metal compound by subjecting particles them to e... | 10/04/1988 |
| 4606797 | Method for recovery of high grade gold alloy from karat gold-clad base metal substrates A method for recovering high grade gold alloy in an unoxidized condition from karat gold clad to a base metal substrate without significant oxidation of the substrate, wherein the substrate is employed as an anode in an aqueous solution of from about 0.02... | 08/19/1986 |
| 4539087 | Method for electrolytic removal of galvanic nickel, chromium or gold layers from the surface of a copper or copper alloy base and apparatus for carrying out the method A method for electrolytic removal of a galvanic nickel, chromium or gold layer from a metal base of copper or copper alloy, which is carried out in a bath comprising sulphuric acid and phosphorous acid and/or an organic acid in a concentration, in which t... | 09/03/1985 |
| 4246083 | Removal of surface material The removal of a metal or alloy from the surface of a body, in particular turbine blades, by forming close to as in contact with the surface a one or more other metal or metals which will alloy with the metal or alloy to be removed. By forming the one or ... | 01/20/1981 |
| 4142954 | Electrolytic cleaning of a shrouded blade assembly Electrolytic process and apparatus employs the shroud and depending blades as anodes about a multi-cathode device in a bond material solutionizing electrolyte for obtaining proper contour smoothness without structural depletion of the shroud and/or blades... | 03/06/1979 |
| 3992288 | Method of separating articles having different specific gravities Articles having a first specific gravity may be separated from articles having a second specific gravity by placing said articles in an environment having a specific gravity between the specific gravities of the articles to be separated and thereafter sub... | 11/16/1976 |
