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| Number | Title | Issue Date |
| 8157972 | Apparatus and method for improved electrolytic water treatment process An electrolytic water treatment system improving upon the electrode life of electrolytic oxygen generators by reducing mineral precipitation and fouling that typically occurs in water treatment systems. The electrolytic water treatment system can include a softened ... | 04/17/2012 |
| 6793783 | Element for separating an electrolytic tank A separating element for separating the bottom part of an electrolytic tank from the rest of the tank space in connection with the removal of solids settled on the bottom of the electrolytic tank, said separating element being installable in the electrolytic tank an... | 09/21/2004 |
| 5569370 | Electrochemical system for recovery of metals from their compounds An electrochemical system for the recovery of metals from metal ores in which reactions are carried out in separate anode and cathode tanks with the liquid product from the anode tank being separated and purified before being returned to the cathode tank ... | 10/29/1996 |
| 5443700 | Method for treating waste water containing oil composed of esters, and treating apparatus thereof A method for treating waster water containing oil composed of esters, which makes reactivation of spent adsorbent possible or unnecessary, and facilitates treatment of waste adsorbent. In order to realize the above method, oil composed of esters is adsorb... | 08/22/1995 |
| 5376255 | Gas sensor A planar gas sensor, in particular a pCO2 or pO2 sensor, has the following components: a pH sensor located on a flat substrate, or at least one noble metal electrode located on the substrate; a reference electrode adjacent to the pH ... | 12/27/1994 |
| 5284704 | Non-woven textile articles comprising bicomponent fibers and method of manufacture Fibers comprising 10 to 100% of bicomponent fibers, composed of a core polymer covered by a sheath polymer, are heated to a temperature between the softening point and the melting point of the sheath polymer for 5 seconds to 5 minutes at a pressure of 0 t... | 02/08/1994 |
| 4959135 | Polyalkylamine complexes for ligand extraction and generation Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising linear, pentadentate polyalkylamines... | 09/25/1990 |
| 4952289 | Macrocyclic amine complexes for ligand extraction and generation Methods and apparatus for electrochemical extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising macrocyclic amines havin... | 08/28/1990 |
| 4874509 | Oxidation saturation device An apparatus and method for dissolving a gas in a liquid comprising a long tube or conduit having an inlet connected to a source of gas and liquid mixed together under pressure and an outlet connected to a back pressure valve that maintains the pressure i... | 10/17/1989 |
| 4859293 | Process for refining gold and apparatus employed therefor Disclosed are processes and an apparatus for refining gold. One of the processes comprises dissolving unrefined gold by use of iodine and/or an iodide compound to form a solution containing an iodide compound of gold, removing insoluble substances in the ... | 08/22/1989 |
| 4834850 | Efficient electrolytic precious metal recovery system An efficient electrolytic recovery system, having several safety mechanisms, for recovering precious metals from a liquid medium is described. The system includes at least oen electrolysis cell unit having a plurality of reticulate metal foam cathodes. Th... | 05/30/1989 |
| 4738762 | Electrowinning system The invention relates to an electrowinning cell for extracting metals in powder form from solutions, and simultaneously oxidizing the solution. The cell is characterized by radially extending electrodes comprising mutually alternating anodes and cathodes;... | 04/19/1988 |
| 4717673 | Microelectrochemical devices Very stable, polymer-based electrochemical devices, formed by polymerization of thiophene or a derivative such as 3-methylthiophene which is durable in an aqueous electrolyte over a wide pH range, which respond rapidly to chemical or electrical signals, a... | 01/05/1988 |
| 4663085 | Apparatus for decontamination of radiation contaminated metallic waste The invention resides in an apparatus for the decontamination of radioactivated metallic waste by the electrolytic oxidation-reduction with an aqueous nitric acid solution containing trivalent cerium ions, i.e. the step of converting the trivalent cerium ... | 05/05/1987 |
| 4549950 | Systems for producing electroplated and/or treated metal foil The present invention relates to a system and a process for producing improved quality electrodeposited and/or treated metal or metal alloy foil to be used in electrical and electronic applications. The quality of the foil being produced and/or treated by... | 10/29/1985 |
| 4324623 | Method and apparatus for replenishing an electroplating bath with metal to be deposited For replenishing a plating bath with copper or other metal to be electrodeposited with the use of an insoluble anode, scrap metal such as copper wires is received in a makeup tank, into which are passed the gases generated within the plating tank with the... | 04/13/1982 |
