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Browse by Category: Main > Chemistry
Class Information
Number: 204/536
Name: Chemistry: electrical and wave energy > Processes and products > Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere > Barrier separation (e.g., using membrane, filter paper, etc.) > Ion selective > And using ion exchange material (e.g., suspended particles, etc.)
Description: Process in which ion exchange material (e.g., suspended particles, etc.) is also used.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8679314 Methane production using resin-wafer electrodeionization Mar. 25, 2014
8652315 Electrodeionization method and device with hydrodynamic flow splitting Feb. 18, 2014
8580096 Bioprocess utilizing carbon dioxide and electrodeionization Nov. 12, 2013
8562803 Electrochemical ion exchange treatment of fluids Oct. 22, 2013
8529759 Electric deionized water production apparatus Sep. 10, 2013
8377279 Water treatment system and method Feb. 19, 2013
8349523 Electrolyte membrane for polymer electrolyte fuel cells, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells Jan. 8, 2013
8337686 Electroregeneration apparatus and water treatment method Dec. 25, 2012
8293085 Cartridge having textured membrane Oct. 23, 2012
8246804 Treatment of aqueous chemical waste Aug. 21, 2012
8142633 Electrodialysis system and process Mar. 27, 2012
8133380 Method for regenerating ion exchanger Mar. 13, 2012
8114260 Water treatment system and method Feb. 14, 2012
8007647 Retention of counterions in the separative bioreactor Aug. 30, 2011
7977395 Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom Jul. 12, 2011
7959780 Textured ion exchange membranes Jun. 14, 2011
7927478 Spiral wound module having axial dilution chamber flow Apr. 19, 2011
7820024 Electrically-driven separation apparatus Oct. 26, 2010
7807032 Boron separation and recovery Oct. 5, 2010
7780833 Electrochemical ion exchange with textured membranes and cartridge Aug. 24, 2010
7767062 Submerged-type electrosorption-based water purification apparatus and method thereof Aug. 3, 2010
7704749 Aqueous stream purifier and method of use Apr. 27, 2010
7699968 Water purifying system Apr. 20, 2010
7658828 Regeneration of adsorption media within electrical purification apparatuses Feb. 9, 2010
7604725 Water treatment system and method Oct. 20, 2009
7563351 Water treatment system and method Jul. 21, 2009
7544278 Ion exchange membranes, methods and processes for production thereof and uses in specific applications Jun. 9, 2009
7520971 Apparatus and method for electrodeionization Apr. 21, 2009
7452920 Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom Nov. 18, 2008
7427342 Method and apparatus for shifting current distribution in electrodeionization systems Sep. 23, 2008
7390386 Aqueous stream purifier and method of use Jun. 24, 2008
7344629 Selectable ion concentrations with electrolytic ion exchange Mar. 18, 2008
7338600 Fractional deionization process Mar. 4, 2008
7326325 Apparatus and method for connecting water treatment devices Feb. 5, 2008
7291274 Method of deionising and clarifying the aqueous medium used in an electrical discharge machine and the product used in said method Nov. 6, 2007
7279083 Electrodeionisation apparatus Oct. 9, 2007
7238266 Method and apparatus for fluorine generation and recirculation Jul. 3, 2007
7201832 Electrodeionization deionized water producing apparatus Apr. 10, 2007
7141154 Single-stage separation and esterification of cation salt carboxylates using electrodeionization Nov. 28, 2006
7094325 EDI and related stacks and method and apparatus for preparing such Aug. 22, 2006
7033472 Electrodeionization water producing apparatus and method of producing deionized water using same Apr. 25, 2006
6824662 Electrodeionization apparatus and method Nov. 30, 2004
6808608 Water purifier and method Oct. 26, 2004
6726822 Electrodeionization process Apr. 27, 2004
6656338 Method and device for reducing cationic impurities and for dosing lithium in the cooling water of a light water reactor, and a cooling-water system of a light water reactor having such a devic Dec. 2, 2003
6541228 Electrodialysis methods for purification and recovery of gluconic acid derivatives Apr. 1, 2003
6514398 Electrodeionization apparatus and method Feb. 4, 2003
6508985 Continuous electrolytically regenerated packed bed suppressor for ion chromatography Jan. 21, 2003
6495014 Electrodeionization substrate, and device for electrodeionization treatment Dec. 17, 2002
6495371 Continuous electrolytically regenerated packed bed suppressor for ion chromatography Dec. 17, 2002

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