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| Number | Title | Issue Date |
| 8157982 | Method of extracting hexavalent chromium Hexavalent chrome is extracted from a film on a workpiece which film contains hexavalent chrome and reduced by contacting the contacting workpiece with a liquid or fine particle reducing agent. ... | 04/17/2012 |
| 7909981 | Method and apparatus for improving the performance of an electrochemical sensor The present teachings relate to systems and methods for oxidizing a sensor having a substrate, an electrode in contact with the substrate, and an electrolytic material in contact with the electrode, where oxidizing includes applying an oxidizing potential (between a... | 03/22/2011 |
| 7431819 | Method and apparatus for releasing metal-resin joint A method for separating a metal-resin joint including the steps of: (1) immersing an article including a metal-resin joint with a counter electrode in an alkaline solution; and (2) applying a voltage over a certain time period between the metal portion of the joint ... | 10/07/2008 |
| 7387720 | Electrolytic method and apparatus for trace metal analysis An electrolytic method and apparatus for treating a solution sample allowing for the accurate and substantially real-time and on-line analysis of trace contaminants in the solution sample. The method of the present invention includes two stages. The solution sample ... | 06/17/2008 |
| 7384529 | Method for electrochemical decontamination of radioactive metal A decontamination method for stripping radionuclides from the surface of stainless steel or aluminum material comprising the steps of contacting the metal with a moderately acidic carbonate/bicarbonate electrolyte solution containing sodium or potassium ions and the... | 06/10/2008 |
| 7342770 | Recyclable dry particle based adhesive electrode and methods of making same A dry process based capacitor and method for using one or more recyclable electrode film structure is disclosed. ... | 03/11/2008 |
| 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 |
| 7318278 | Method of manufacture of a heart valve support frame Methods for forming a support frame for flexible leaflet heart valves from a starting blank include converting a two-dimensional starting blank into the three-dimensional support frame. The material may be superelastic, such as NITINOL, and the method may include be... | 01/15/2008 |
| 7166207 | Non-mechanical method of removing material from the surface of a golf club head A highly accurate, efficient, and non-mechanical method of removing material from the surface of a golf club head using the principles of electrolysis. The process generally includes positioning at least one electrode in close proximity to a portion of a rear surfac... | 01/23/2007 |
| 7045053 | Process and apparatus for the superficial electrolytic treatment of metal strips An apparatus for the superficial electrolytic treatment of metal strips, comprising several separate and non-communicating tanks, or containers, located along the path of metal strip (13). A series of electrodes in pairs (14′, 15′, 14″, 15″, 14′â... | 05/16/2006 |
| 6960282 | Apparatus for cleaning residual material from an article An apparatus in which opposed nozzle assemblies are utilized to clean residual material, such as a metallic paste, from an article, such as a screening mask. Each of the nozzle assemblies has a first set of nozzles for spraying a cleaning agent onto the article in a... | 11/01/2005 |
| 6937379 | Molecular architecture for molecular electro-optical transistor and switch Observable changes in electrical and optical characteristics of individual molecules adsorbed on a conductor or semi-conductor caused by electrical and/or optical excitation or de-excitation of electrons within such molecules can be used as signals which in turn can... | 08/30/2005 |
| 6921443 | Process for producing stainless steel with improved surface properties A process for treating a stainless steel strip in an electrolytic tank produces a stainless steel with improved surface properties. The process subjects the stainless steel to a bright annealing process, followed by an electro-chemical treatment stage at current den... | 07/26/2005 |
| 6904663 | Method for manufacturing a golf club face A method of manufacturing a face plate for a golf club head is presented to provide face having substantial thickness variation for enhanced performance. The method includes the steps of providing a rolled sheet of metal material having an initial thickness and form... | 06/14/2005 |
| 6893549 | Cleaning apparatus for ECMD anode pad A cleaning apparatus for an ECMD anode pad including a vacuum head which applies vacuum pressure to the surface of the anode pad between ECMD operations in order to remove particles precipitated onto the surface of the anode pad and prevent or minimize inadvertent s... | 05/17/2005 |
| 6887367 | Process for the coating of passivated metallic surfaces of components and such coated components The invention relates to a process which is suitable for applying a permanently adhering, stable, dirt and water repellent coating to metallic surfaces, specifically chromium surfaces, specifically sanitary and kitchen fixtures, and also to the components coated in ... | 05/03/2005 |
| 6884338 | Methods for polishing and/or cleaning copper interconnects and/or film and compositions therefor The present invention provides methods of polishing and/or cleaning copper interconnects using bis(perfluoroalkanesulfonyl) imide acids or copper tris(perfluoroalkanesulfonyl) methide acids compositions. ... | 04/26/2005 |
| 6863798 | Method of producing washing, cleaning and sterilizing solution and system using such solution A washing, cleaning and sterilizing solution is produced by electrolyzing an electrolyte solution composed of mixed caustic soda and salt in an electrolyzer. The solution is used as it is or diluted with tap water or non-potable water. The solution is applicable to ... | 03/08/2005 |
| 6858124 | Methods for polishing and/or cleaning copper interconnects and/or film and compositions therefor The present invention provides methods of polishing and/or cleaning copper interconnects using sulfonic acid compositions. ... | 02/22/2005 |
| 6821447 | Friction member and a method for its surface treatment A method of surface treatment of friction members includes providing a friction member made of PMMC material. A transfer layer is formed on the active surface of the friction member of removing the top layer of the matrix material to expose a surface with the embedd... | 11/23/2004 |
| 6805789 | Methods of producing electrodes and methods of using such electrodes to accumulate and detect analytes Provided are methods of producing an electrode capable of binding an analyte thereto comprising: providing a substrate capable of binding a dithiol molecule thereto; electrochemically treating the substrate using cyclic voltammetry to provide a treated substrate hav... | 10/19/2004 |
| 6736970 | Arrangement for treating solids settled on the bottom of an electrolytic tank An arrangement for treating solids settled on the bottom of an electrolytic tank. Said arrangement comprises a collector element movable essentially along the bottom of the electrolytic tank or in the vicinity thereof, said collector element being provided with mean... | 05/18/2004 |
| 6620308 | Electrically disbonding materials An electrochemically disbondable composition is provided having a matrix functionality and an electrolyte functionality wherein the electrolyte functionality is provided by a block copolymer or a graft copolymer. The matrix functionality provides an adhes... | 09/16/2003 |
| 6585875 | Process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology A process for cleaning an electrically conducting surface (3) by arranging for the surface to form the cathode of an electrolytic cell in which the anode (1) is maintained at a DC voltage in excess of 30V and an electrical arc discharge (electro-plasma) i... | 07/01/2003 |
| 6547950 | Cathode rinsing station and method A cathode station (10) for a pipe electrochemical polishing system (12) has a valve (20) for preventing a cleaning fluid (56) from entering into a pipe (28). A cathode (14) is pulled into the cathode station (10) by a cathode puller cable (16) after a pol... | 04/15/2003 |
| 6527938 | Method for microporous surface modification of implantable metallic medical articles A process for creating surface microporosity on a titanium (or other metal) medical device includes creating a surface oxide layer on the device; placing the device, which is connected to a negative terminal of an electrical power supply, into a calcium c... | 03/04/2003 |
| 6506294 | Process for regeneration of electrolytes from pickle liquor, in particular of NA2S04 from pickle liquor for stainless steel A process for regeneration of electrolytes, in particular Na2 SO4, from waste pickles created during picking of stainless steel, in particular stainless steel strips. The electrolytes are regenerated by adding Nax Hy | 01/14/2003 |
| 6478950 | Sensing liquids in oil well using electrochemical sensor A sensor module for monitoring chemical properties of oil well fluids comprises at least one electrochemical sensor for a chemcal species, for example to detect pH and chloride ion concentration. A micro-porous barrier separates the electrochemical sensor... | 11/12/2002 |
| 6447669 | Recycling of galvanic cells Lithium ion cells in which the cathode contains a particulate insertion material and a binder are cut open in a dry, inert atmosphere (10). The cell components are treated with a first organic solvent (12) to dissolve the electrolyte, so that this can be ... | 09/10/2002 |
| 6436276 | Cathodic photoresist stripping process A novel photoresist stripping process is disclosed. Specifically, it has been found that if a printed wiring board panel having photoresist on its surface is used as a cathode during electrolysis in an alkaline solution, the result is a rapid and complete... | 08/20/2002 |
| 6425997 | Process for removal of chloride ions from steel surfaces A process for removing chloride ions from steel surfaces and measuring the amount present on the steel surface being tested employs a high frequency waveform alternating current treatment as a pre-measurement step to liberate the chloride ions into deioni... | 07/30/2002 |
| 6325875 | Titanium fiber and method of producing the same A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subje... | 12/04/2001 |
| 6299756 | Separating member for separating the tank bottom part the rest of the tank The invention relates to a separating member for separating the bottom part of an electrolytic tank from the rest of the tank space in connection with the removal of solids (6) settled onto the bottom of the electrolytic tank (1). According to the inventi... | 10/09/2001 |
| 6274027 | Method of descaling titanium material and descaled titanium material A method of descaling titanium material including the steps of immersing titanium material having oxide scale on a surface thereof in a fused alkaline salt bath in accordance with needs; subjecting the titanium material to anodic electrolysis or alternate... | 08/14/2001 |
| 6267862 | Apparatus and method for plating wafers, substrates and other articles A plating apparatus and methodology is disclosed that is particularly useful in improving the plating rate, improving the plating of via holes, improving the uniformity of the plating deposition across the surface of the wafer, and minimizing damage to th... | 07/31/2001 |
| 6267870 | Treating aluminum workpieces Surface defects on rolled alulminium alloy sheet, particularly that intended for use as lithographic plate substrate, are caused by copper-containing particles. The invention provides a method of improving the sheet by removing the particles by anodising ... | 07/31/2001 |
| 6264823 | Non-caustic cleaning of conductive and non-conductive bodies A method and apparatus for cleaning conductive and non-conductive bodies using a basic aqueous disodium phosphate and sodium bicarbonate cleaning solution. The outside surfaces of a metallic or non-metallic body are cleaned by spraying or brushing the cle... | 07/24/2001 |
| 6228246 | Removal of metal skin from a copper-Invar-copper laminate A method of removing a metal skin from a through-hole surface of a copper-Invar-copper (CIC) laminate without causing differential etchback of the laminate. The metal skin includes debris deposited on the through-hole surface as the through hole is being ... | 05/08/2001 |
| 6203691 | Electrolytic cleaning of conductive bodies A method and apparatus for cleaning conductive bodies using a basic aqueous disodium phosphate and sodium bicarbonate electrolyte. The outside surfaces of a metallic body is cleaned by placing the body in contact with the electrolyte and flowing DC curren... | 03/20/2001 |
| 6179989 | Electrical and chemical treatment of an oxygen sensor The present invention relates to an improved oxygen sensor and particularly to oxygen sensors used as exhaust sensors in vehicles. The oxygen sensor, which has an improved lean-rich response time and operability at lower temperatures, has been chemically ... | 01/30/2001 |
