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| Number | Title | Issue Date |
| 7387719 | Mediated electrochemical oxidation of biological waste materials Mediated electrochemical oxidation to treats, oxidizes and destroys biological waste, medical, infectious, pathological, animal, sanitary, mortuary, ship, veterinary, pharmaceutical and combined waste. Electrolytes contain oxidized forms of reversible redox couples ... | 06/17/2008 |
| 7159407 | Atomized liquid jet refrigeration system A system for controlling temperature includes an atomizer that forms micron-sized hydrogen-bonded refrigerant droplets within a chamber. A vacuum pump is coupled to the chamber to lower its interior pressure. Under these conditions, the refrigerant droplets evaporat... | 01/09/2007 |
| 6830671 | Ion-exchange membrane An ion-exchange membrane having excellent resistance against organic fouling by high molecular weight organic ions etc. and showing low electric resistance is provided. Said ion-exchange membrane is characterized by that a polyether compound containing polyalkylene ... | 12/14/2004 |
| 6827832 | Electrochemical cell and process for reducing the amount of organic contaminants in metal plating baths The invention disclosed relates to an electrochemical process for decreasing high levels of organic contaminants in metal plating baths. The process involves breaking down the organic contaminants in an electrochemical cell by electrochemical oxidation. The electroc... | 12/07/2004 |
| 6770189 | Process for improving the purity of quaternary ammonium hydroxides by electrolysis The present invention relates to a process for improving the purity of a composition comprising a quaternary ammonium hydroxide comprising the steps of (a) providing an electrolysis cell which comprises an anolyte compartment containing an anode, a catholyte compart... | 08/03/2004 |
| 6673229 | Electrochemical apparatus and process for purification of fluids The invention relates to an apparatus for purifying fluids comprising at least one electrochemical cell having a cathode (3), an anode (5) and an electrolyte (7), said cathode (3) comprising a metal complex, ML, where M represents a metal and L represents... | 01/06/2004 |
| 6532647 | Manufacturing method of composite type thin-film magnetic head A manufacturing method of a composite type thin-film magnetic head with a reading head element and an inductive writing head element, includes a step of forming the reading head element and its lead conductor layers on a first insulation layer, a step of ... | 03/18/2003 |
| 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 |
| 6402932 | Mediated electrochemical oxidation of biological waste materials A mediated electrochemical oxidation process is used to treat, oxidize and dispose of biological waste materials. Waste materials are introduced into an apparatus for contacting the waste with an electrolyte, which comprises one or more oxidizing species ... | 06/11/2002 |
| 6207039 | Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange In one embodiment, the present invention relates to a process for recovering one of an onium hydroxide and onium salt from a solution containing an onium compound involving the steps of charging the solution containing the onium compound to an electrochem... | 03/27/2001 |
| 6136178 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm electr... | 10/24/2000 |
| 6017439 | Method and apparatus for separating liquid mixtures using intermittent heating A liquid mixture is efficiently separated using a separating membrane against which the liquid is sprayed, the membrane being intermittently heated to increase separation without subjecting the liquid mixture to high heat. The method is suited to flammabl... | 01/25/2000 |
| 5968338 | Process for recovering onium hydroxides from solutions containing onium compounds In one embodiment, the present invention relates to a process for recovering an onium hydroxide from a solution containing an onium compound, including contacting the solution with a cation exchange material so that at least a portion of onium cations fro... | 10/19/1999 |
| 5968337 | Apparatus and method for constant flow oxidizing of organic materials The invention is a method and apparatus using high cerium concentration in the anolyte of an electrochemical cell to oxidize organic materials. The method and apparatus further use an ultrasonic mixer to enhance the oxidation rate of the organic material ... | 10/19/1999 |
| 5952542 | Method of oxidation Electrochemically regenerated RuO4 (or corresponding oxides of Os, Ir, Rh) is used in the decomposition of matter, especially matter containing organic material. The method has particular advantage in dealing with compounds containing chlorine ... | 09/14/1999 |
| 5928491 | Plant compatible electrolyte composition as well as electrolyte ionized water production device and methods Electrolyte ionized water production device wherein voltage is produced or an electrical current is passed, between anode and cathode of an electrolytic cell to which various electrolytes and raw water are supplied after being mixed, and wherein various e... | 07/27/1999 |
| 5919350 | Mediated electrochemical oxidation of organic wastes using a Co(III) mediator in a neutral electrolyte An electrochemical cell with a Co(III) mediator and neutral pH anolyte provides efficient destruction of organic and mixed wastes. The organic waste is concentrated in the anolyte reservoir, where the cobalt mediator oxidizes the organics and insoluble ra... | 07/06/1999 |
| 5911868 | Mediated electrochemical oxidation of organic wastes using a Co (III) mediator in a nitric acid based system An electrochemical cell with a Co(III) mediator and nitric acid electrolyte provides efficient destruction of organic and mixed wastes. The organic waste is concentrated in the anolyte reservoir, where the mediator oxidizes the organics and insoluble tran... | 06/15/1999 |
| 5910237 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering organic hydroxide from contaminated solutions containing the organic hydroxide and impurities including charging the contaminated solution to a first electrochemical cell contain... | 06/08/1999 |
| 5894077 | Radioactive effluent treatment A radioactive waste stream (12) is of high pH and contains a wide variety of different fission products and also organic materials which act as complexants. Technetium and/or ruthenium are removed by first electrolytically oxidising the organic materials ... | 04/13/1999 |
| 5876590 | Electrochemical leaching of soil An electrochemical leaching system for cleaning contaminated fines. The system has a waste vessel for receiving and holding a contaminated fines and lixiviant mixture. On a side of the waste vessel is an anolyte vessel holding an anolyte fluid. An anolyte... | 03/02/1999 |
| 5876589 | Method and apparatus for separating oil from water in wastewater containing an emulsified oil Wastewater containing a surfactant and an oil content that has been emulsified by the action of the surfactant can be freed of the oil content by a method including feeding the wastewater into the anode compartment, for electrolysis, of a diaphragm electr... | 03/02/1999 |
| 5868916 | Process for recovering organic hydroxides from waste solutions In one embodiment, the present invention relates to a process for recovering an organic hydroxide from waste solutions containing the organic hydroxide and impurities including the steps of precipitating the organic hydroxide from the waste solution as an... | 02/09/1999 |
| 5756874 | Electrochemical cell for processing organic wastes An electrochemical cell (20) which is effectively leakproof and can be incorporated into an easily serviceable cell pack (80). Within the cell are a plurality of parallel electrode plates (44, 46, 56) which act as anode and cathode reaction surfaces for p... | 05/26/1998 |
| 5753097 | Process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and a bipolar membrane... | 05/19/1998 |
| 5744023 | Method for separation and recovery of organogermanium compound An electric current is passed through a mixed solution containing a saccharide(s) and an organogermanium compound, in a compartment whose anode side is defined by an anion exchange membrane and whose cathode side is defined by a cation exchange membrane, ... | 04/28/1998 |
| 5709790 | Electrochemical process for purifying hydroxide compounds In one embodiment, the invention relates to a process for purifying solutions containing a hydroxide compound, including the steps of: (A) providing an electrochemical cell containing an anode, a cathode, a cation selective membrane and an anion selective... | 01/20/1998 |
| 5705050 | Electrolytic process and apparatus for the controlled oxidation and reduction of inorganic and organic species in aqueous solutions Improvements on the electrolytic reactor and process of U.S. Pat. No. 5,419,816 and copending U.S. application Ser. No. 08/400,950, filed Mar. 9, 1995, now U.S. Pat. No. 5,609,742, are disclosed for the controlled oxidation and reduction of inorganic and ... | 01/06/1998 |
| 5456809 | Electrochemical mercerization, souring, and bleaching of textiles Economical, pollution-free treatment of textiles occurs in a low voltage electrochemical cell that mercerizes (or scours), sours, and optionally bleaches without effluents and without the purchase of bulk caustic, neutralizing acids, or bleaches. The cell... | 10/10/1995 |
| 5423965 | Process and device for demineralizing aqueous solutions using ion exchangers An electrolytic process and apparatus are disclosed for regenerating separate bed ion exchange resins used to demineralize aqueous solutions, preferably softened water, without the use of additional chemicals. The cation exchanger is regenerated by applyi... | 06/13/1995 |
| 5348629 | Method and apparatus for electrolytic processing of materials A method and apparatus for the electrochemical processing of materials in which the material to be processed is located within an electrolyte that is subjected to strong local electromagnetic fields in a migrational transport layer, causing strong electro... | 09/20/1994 |
| 5320816 | Process for absorption of sulfur dioxide and nitric oxide from flue gas The simultaneous abatement of NO and SO2 in flue gas is provided by an absorption process and apparatus utilizing an absorbent composition comprising an aqueous solution of chelates and sulfite salts. Metal chelates oxidized to an inactive stat... | 06/14/1994 |
| 5259936 | Purified ion exchange resins and process Purified resin particles are provided in an electrodeionization step for purifying resin particles having ion depletion compartments containing the resin particles and ion concentration compartments. Purified water having a purity of at least 1 megohm-cm ... | 11/09/1993 |
| 5104497 | Electrochemical process for treating liquid electrolytes A process for the manipulation of liquid electrolyte and gas during the operation of an electrochemical cell having at least one gas diffusion electrode and a counter electrode forming an electrolyte space for a flowing electrolyte which flows through the... | 04/14/1992 |
| 5049397 | Degradation product of total protein The invention relates to a mineral salt-free total protein degradation product whose production and use is as a meat flavor precursor and protein source especially in animal feed. By mineral acid hydrolysis, a protein material, preferably from keratin, is... | 09/17/1991 |
| 4956244 | Apparatus and method for regenerating electrolyte of a redox flow battery Deteriorated positive electrolyte containing Fe3 /Fe2+ ions for a redox flow battery is regenerated in a negative electrolyte chamber of an electrolyte regenerating apparatus. For this purpose, a formic acid solution is introduced in... | 09/11/1990 |
| 4944852 | Method for purifying a dipeptide ester A method for purifying a dipeptide ester by electrolysis in an electrolytic cell comprising an anode compartment, a cathode compartment and a central compartment partitioned by anion exchange membranes, which comprises supplying an aqueous dipeptide ester... | 07/31/1990 |
| 4880647 | Process for mild heat treatment of concentrated fluids from membranes A process is provided for reducing the concentration of microbial cells in a flowable fluid by dividing the fluid into a sterile permeate and a retentate reducing the pH of the retentate in an electrolytic cell, heating the retentate to reduce the concent... | 11/14/1989 |
| 4874485 | Method for the treatment of waste matter An electrochemical method for treating matter particularly waste matter in which AgII ions are primary oxidising species in an aqueous nitric acid electrolyte at about 50° C., produce secondary oxidising species through interaction with the electrolyte a... | 10/17/1989 |
| 4857343 | Process for the low temperature pasteurization of liquid comestibles Liquid comestibles are electrolytically treated to lower the pH thereof and the electrolytically treated liquid comestible is pasteurizable at temperatures lower than those normally used to effect pasteurization.... | 08/15/1989 |
