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| Number | Title | Issue Date |
| 7410899 | Defectivity and process control of electroless deposition in microelectronics applications Methods and compositions for electrolessly depositing Co, Ni, or alloys thereof onto a substrate in manufacture of microelectronic devices. Grain refiners, levelers, oxygen scavengers, and stabilizers for electroless Co and Ni deposition solutions. ... | 08/12/2008 |
| 7338600 | Fractional deionization process A liquid treatment process is described for sequential removal of ionic species of progressively decreasing ionic strength without precipitation or “scaling.” An aspect of the invention includes two or more electrodeionization operations within one or more elect... | 03/04/2008 |
| 7338586 | Vibratingly stirring apparatus, and device and method for processing using the stirring apparatus An insulated vibration-stirring apparatus comprising a vibration generating means containing a vibration motor and a vibrating member attached to that motor, and a vibrating rod attached by an installation piece to allow vibration linked with the vibration generatin... | 03/04/2008 |
| 7326325 | Apparatus and method for connecting water treatment devices A method and apparatus for connecting water treatment devices is provided. Connecting brackets may allow for a multiple configurations of water treatment devices and can simplify the building of water treatment systems. ... | 02/05/2008 |
| 7288170 | Process for producing a ready-to-use electrolyte A process is intended to allow simple and particularly reliable electrolyte generation and conditioning from metal-containing used electrolytes and/or used process solutions and/or pulverulent metal wastes. For this purpose, waste products containing metal ions from... | 10/30/2007 |
| 7267898 | Freeze prevention of a fuel cell power plant A fuel cell power plant comprises a water circulation passage (5) which circulates the cooling water in a fuel cell stack (4). Sodium hydroxide which lowers the melting point of water is mixed with water in the water circulation passage (5) to p... | 09/11/2007 |
| 7223327 | Method of preparing free polyelectrolyte membranes A releaseable membrane structure for producing a free membrane containing a substrate, a release stratum on the substrate and a membrane stratum on the release stratum. The release stratum and the membrane stratum contain oppositely-charged polyelectrolytes that are... | 05/29/2007 |
| 7201832 | Electrodeionization deionized water producing apparatus In the electrodeionization deionized water producing apparatus, water is passed through a deionizing chamber(s) packed with an organic porous ion exchange material having a three-dimensional network structure to remove ionic impurities in the water, thereby producin... | 04/10/2007 |
| 7097752 | EDI device with resin seepage-proof inserts The resin seepage-proof spiral would Electrodeionization (EDI) module includes anion and cation ion exchange membranes, concentrate and dilute distributing channels, net sheets inside of the channels, positive and negative electrodes and an EDI housing. The housing ... | 08/29/2006 |
| 7097753 | Dilute support frame for an EDI device The dilute support frame is made up of interphase longitude and latitude bars that preferably are hollow. The bars can be rectangular, rectangular with a rounded end, half-circular, triangular, polygonal or any combination thereof. The bars are sized to support the ... | 08/29/2006 |
| 7094325 | EDI and related stacks and method and apparatus for preparing such Apparatus and method are disclosed for introducing ion exchange or other particulates into compartments of an already-assembled electrodeionization or comparable stack by modulating a flow of slurry into the compartments with slugs of gas such as air. The air propel... | 08/22/2006 |
| 7033472 | Electrodeionization water producing apparatus and method of producing deionized water using same The electrodeionization water producing apparatus comprising a depletion chamber packed with an ion exchange material, the depletion chamber being partitioned by a cation exchange membrane on one side and an anion exchange membrane on the other side, and concentrate... | 04/25/2006 |
| 7029563 | EDI device with composite electrode An EDI device includes a composite electrode enclosed within the cylinder shell of the device. The EDI inner module preferably has one concentrate center pipe as the electrode in the center axis and at least one layer of anion/cation exchange membranes and a support... | 04/18/2006 |
| 6998044 | Electrophoretic cross-flow filtration and electrodeionization: method for treating effluent waste and apparatus for use therewith The present invention provides a method and apparatus for purifying effluent wastewater utilizing electrophoretic cross-flow filtration and electrodeionization. The method first comprises filtering the water in a cross-flow direction with a filter membrane (120 | 02/14/2006 |
| 6991716 | Device for magnetically controlled electrodeionization In a device for electro-deionization (EDI) in the demineralization of aqueous solutions, which device includes ion exchange membranes arranged alternately and in spaced relationship so that between the membranes compartments are formed of which at least some are fil... | 01/31/2006 |
| 6942767 | Chemical reactor system A reactor comprising an inlet, an outlet, and a conically spiraling fluid flow channel coupled between the inlet and the outlet. The reactor may be an electrochemical reactor comprising a fluid flow channel that spirals about an axis, the fluid flow channel comprisi... | 09/13/2005 |
| 6808608 | Water purifier and method An apparatus for removing charged contaminants from a water stream. The apparatus can be figured to provide the decontaminated water stream to an analytical system. Methods of use of the same are also disclosed. ... | 10/26/2004 |
| 6723218 | System for the electrodialytic regeneration of an electroless bath electrolyte An apparatus for the electrodialytic regeneration of an electroless bath electrolyte. There are diluate compartments through which the bath electrolyte is channeled, concentrate compartments through which a regeneration electrolyte is channeled, an anode, and a cath... | 04/20/2004 |
| 6649037 | Electrodeionization apparatus and method An electrodeionization apparatus and method for purifying a fluid. A fluid, such as water, can be purified by removing weakly ionizable species from the fluid. Weakly ionizable species may be dissociated at different pH levels to facilitate removal from t... | 11/18/2003 |
| 6596137 | Bipolar membrane A bipolar membrane which exhibits a low water dissociation voltage for an extended period of time under a high current density condition, and a high current efficiency, without developing blister. The bipolar membrane comprises a cation-exchange membrane ... | 07/22/2003 |
| 6514398 | Electrodeionization apparatus and method Electrodeionization apparatus and method. The electrodeionization apparatus includes an ion-depleting compartment in which alternating layers of an electroactive media are positioned. One of the alternating layers is doped to provide a more balanced curre... | 02/04/2003 |
| 6495014 | Electrodeionization substrate, and device for electrodeionization treatment A porous immobilized ion-exchange material is provided. Also provided is an electrodeionization device incorporating the material. A method for subjecting a fluid to electrodeionization, is provided utilizing porous immobilized ion-exchange material. A sa... | 12/17/2002 |
| 6402917 | Electrodialysis apparatus An electrodialysis apparatus and method for purifying water. An electrodialysis apparatus including an anode and anode chamber, a cathode and cathode chamber, and a desalting stream flow path comprising a first portion juxtaposed to the anode and a second... | 06/11/2002 |
| 6379517 | Method and device for electrodialytic regeneration of an electroless metal deposition bath A method and a device for the regeneration of an electroless metal deposition bath containing hypophosphite ions by electrodialysis is described. The method according to the invention and the device differ from the prior art in that the bath solution is l... | 04/30/2002 |
| 6280594 | Device for producing ion water and partition wall for device for producing ion water A device for producing ion water comprises an electrolytic cell which can be electrolyzed; two ion exchange units which are disposed ion exchange membrane such that the electrolytic cell is partitioned in three electrolytic chambers therein respectively; ... | 08/28/2001 |
| 6258225 | Device for producing ion water A device for producing ion water having a pleasant odor, comprising an electrolytic cell containing two partition walls equipped with ion exchange membranes such that the cell is partitioned into three electrolytic chambers therein, said device also provi... | 07/10/2001 |
| 6254753 | High purity electrodeionization Electrodeionization apparatus for purifying water includes a cathode, an anode, and a plurality of alternating anion permeable membranes and cation permeable membranes between the cathode and anode that define concentrating and diluting flow channels betw... | 07/03/2001 |
| 6241866 | Electrodeionization apparatus with fixed ion exchange materials Electrodeionization apparatus for purifying water that includes a cathode, an anode, and a plurality of alternating anion permeable membranes and cation permeable membranes between the cathode and anode that define concentrating and diluting flow channels... | 06/05/2001 |
| 6241867 | Electrodeionization apparatus and packing therefor Electrodeionization packing including one or more macrostructural elements made up of smaller, microstructural elements. The microstructural elements are in fixed, close contacting position with respect to each other in the macrostructural elements so as ... | 06/05/2001 |
| 6217733 | Bipolar membrane and method for fabricating such bipolar membrane A bipolar membrane, usable for electrodialysis of aqueous electrolytes, comprises two ion exchange membranes, respectively anionic and cationic, juxtaposed along a common surface, wherein, along said common surface, a gel based on hydrated metal sulpate a... | 04/17/2001 |
| 6193869 | Modular apparatus for the demineralization of liquids A modular sysTem for the demineralization of aqueous liquids comprising a plurality of modular units, each of the modular units being encapsulated and having a cathode proximate a first end of the modular unit and an anode proximate the opposite end of sa... | 02/27/2001 |
| 6190528 | Helical electrodeionization apparatus A helical electrodeionization apparatus is adapted to purify aqueous liquids to effect the production of high purity water. An insulated net-separating wall is positioned between a pair of anion and cation exchange membranes to form a special membrane bag... | 02/20/2001 |
| 6187162 | Electrodeionization apparatus with scaling control First and second stages are used in electrodeionization to purify water including calcium and carbon dioxide and its hydrates. The diluting flow channels of the first stage include only anion exchange material or cation exchange material, and thus remove ... | 02/13/2001 |
| 6120673 | Method and device for regenerating tin-plating solutions The invention relates to a method and a device for regenerating exhausted tin-plating solutions which contain tin and copper ions, free complexing agent and complexing agent bound to the copper ions, as well as expended and unexpended reducing agent. By m... | 09/19/2000 |
| 6117297 | Electrodialysis apparatus An integral, monolithic frame-membrane is disclosed, such frame-membrane having a semi-permeable membrane portion and integral therewith a frame portion, the frame portion having one or more cavities, each cavity juxtaposed to the membrane portion, each c... | 09/12/2000 |
| 5980703 | Electrolytic cell for producing acidic water and alkaline water An electrolytic cell for producing acidic water and alkaline water is disclosed. High-purity acidic water and high-purity alkaline water can be produced in a well balanced proportion from ultrapure water which is supplied in the minimum amount necessary f... | 11/09/1999 |
| 5980961 | Demineralization of sweet whey by electrodeionization Sweet whey is demineralized by an electrodeionization process by passing sweet whey to be demineralized through a resin bed of strong cationic exchange resin contained in an electrodeionization dilution compartment or through a resin bed of weak anionic a... | 11/09/1999 |
| 5766438 | Electrolyzer and a method of operating the same In an electrolyzer provided according to this invention, the polarity of electrodes is periodically inverted at very short intervals. This has the effect of allowing gases to be generated uniformly all over the surface of each electrode in the form of ext... | 06/16/1998 |
| 5738775 | Electrically regenerable desalting apparatus Electrically regenerable desalting apparatus having the desalting compartment packed with ion exchangers produced by utilizing radiation-initiated graft polymerization, in which said ion exchangers are nonwoven fabrics in the form of a fiber assembly and ... | 04/14/1998 |
| 5725748 | Process and installation for treating cellulose waste lye In a process for an electrochemical treatment of cellulose waste lye, mass transport takes place through a diaphragm or membrane between a cathode chamber and an anode chamber, and optionally through a middle chamber. Cationogenic components are removed f... | 03/10/1998 |
