| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
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| 11/08/2000 | EP1049746A1 Processes of purifying a dispersion and making inkjet inks |
| 11/07/2000 | US6143853 Method for separation and synthetic polymers that can be used as separation media in the method |
| 11/02/2000 | EP1047634A1 Continuous production of silica via ion exchange |
| 10/18/2000 | EP1044717A2 Polarity reversal and double reversal electrodeionization apparatus and method |
| 10/18/2000 | EP1044062A1 Membrane filtration device |
| 10/17/2000 | US6132612 Cationic exchanger bed absorber; water treatment |
| 10/17/2000 | US6132610 Endotoxin adsorption system |
| 10/17/2000 | US6132591 Method for removal of sulfate groups and chlorate groups from brine |
| 10/10/2000 | US6129832 Device and method for adjusting ion concentrations |
| 10/04/2000 | CN1268486A Electric deioization apparatus having branch desalting chamber |
| 10/03/2000 | US6127433 Composite separation fibers of polyethylene sheath and polyethylene terephthalate cores are subjected to ionizing radiation to graft ion-exchange group-containing unsaturated monomers onto the surface; crossing fibers over and |
| 10/03/2000 | US6126805 A multicompartment stack comprising cation exchange membranes and anion exchange membranes |
| 09/27/2000 | EP1038837A2 An electrodeionization apparatus comprising sub-desalination chambers |
| 09/27/2000 | CN1056819C Ion exchange process for producing potassium nitrate |
| 09/27/2000 | CN1056785C Porous ion exchanger and method for producing deionized water |
| 09/26/2000 | US6123823 Gasket and apparatus for electrodeionization |
| 09/19/2000 | US6120686 Water treatment device with drinking water filter, regeneration device and process for treatment of drinking water |
| 09/14/2000 | WO2000024796A8 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 09/13/2000 | EP1034833A2 Polarity reversal and double reversal electrodeionization apparatus and method |
| 09/13/2000 | EP1034027A1 Method and device for water delsalinization |
| 09/12/2000 | US6117297 Electrodialysis apparatus |
| 09/08/2000 | WO2000052252A1 Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber |
| 08/31/2000 | WO2000050161A1 Positively charged membrane |
| 08/31/2000 | WO2000050160A1 Negatively charged membrane |
| 08/31/2000 | WO2000050148A1 Water softener tank |
| 08/31/2000 | WO2000027513A3 Polymer composition, membrane containing said composition, method for the production and use thereof |
| 08/30/2000 | CN2393639Y 离子交换器 Ion exchange |
| 08/30/2000 | CN1055903C Tech. for treatment of waste liquid containing cyanogen by ion exchange method |
| 08/22/2000 | US6107354 Composite material, preparation and use thereof |
| 08/22/2000 | CA2027453C Materials for removing suspended impurities and use thereof |
| 08/17/2000 | WO2000034386A3 Gel-type copolymer beads and ion exchange resins made therefrom |
| 08/16/2000 | EP1027289A1 Purification of a liquid stream |
| 08/16/2000 | EP1027136A1 Fluid purification devices and methods employing deionization followed by ionization followed by deionization |
| 08/16/2000 | CN2391675Y U-shaped ion-exchanger |
| 08/15/2000 | US6103122 Filter sheet for purifying photoresist composition |
| 08/15/2000 | CA2064090C Purification of hydrogen peroxide |
| 08/09/2000 | EP1024885A1 Methods and devices for producing solid subassemblies of fluidic particulate matter |
| 08/09/2000 | CN2390685Y Floating bed automatic ion exchanger |
| 08/09/2000 | CN2390684Y Double layer bed ion exchanger |
| 08/03/2000 | WO2000044477A1 Electrodeionization apparatus and method |
| 07/19/2000 | EP0993336A4 Generating inorganic polymer electret in colloidal state |
| 07/19/2000 | EP0781255B1 Water treatment process |
| 07/19/2000 | CN1260736A Method for deionization of substances that are not stable at acidic pH |
| 07/18/2000 | CA2035188C Electrodes |
| 07/12/2000 | EP1017482A1 Electrochemically assisted ion exchange |
| 07/06/2000 | DE19851498A1 Polymerzusammensetzung, Membran enthaltend diese, Verfahren zu deren Herstellung und deren Verwendung Polymer composition, membrane containing these, processes for their preparation and their use |
| 06/28/2000 | CN1053878C Condensate purification process |
| 06/23/2000 | CA2256923A1 Kraft pulping process |
| 06/22/2000 | WO2000036412A1 Method for monitoring advanced separation and/or ion exchange processes |
| 06/20/2000 | US6077918 Preparing a phosphonium ionomer by reacting a brominated polyarylene sulfide and triphenylphosphine in the presence of a transition metal halide and a protic apolar liquid. |
| 06/15/2000 | WO2000034407A1 Powdery chelate-trapping material, process for producing the same, and method of trapping ion with the trapping material |
| 06/15/2000 | WO2000034386A2 Gel-type copolymer beads and ion exchange resins made therefrom |
| 06/15/2000 | WO2000033958A1 Treatment of power plant condensate water with ion exchange resins |
| 06/14/2000 | EP1007958A4 Acid or base generator and method of use |
| 06/14/2000 | EP1007958A1 Acid or base generator and method of use |
| 06/13/2000 | US6074550 Device for indicating the depletion of purifying agent |
| 06/06/2000 | US6071405 Apparatus for desalting and conditioning water |
| 06/06/2000 | US6071397 Apparatus for producing deionized water |
| 06/06/2000 | CA2188723C Thermally-driven ion-exchange process for lithium recovery |
| 06/02/2000 | WO2000030749A1 Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 06/02/2000 | CA2351481A1 Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in diluting compartments |
| 05/31/2000 | EP1003599A1 An adsorption/separation method and a medium for adsorption/separation |
| 05/30/2000 | CA2073568C Purification of solutions |
| 05/23/2000 | US6067388 Method of making an integrated optical component and an integrated optical star coupler made in accordance with said method |
| 05/23/2000 | US6066259 First bed consisting of a basic anion exchanger in the form of hydrogen carbonate and subsequently with a second bed, connected in series, consisting of a weakly acidic cation exchanger in hydrogen form. |
| 05/18/2000 | WO2000027513A2 Polymer composition, membrane containing said composition, method for the production and use thereof |
| 05/17/2000 | EP0999887A1 Adsorption or desorption of dissolved constituents in liquids and apparatus therefor |
| 05/17/2000 | CN2378115Y 套筒式离子交换器 Sleeve-type ion exchanger |
| 05/09/2000 | US6060526 Mixed bed ion exchange resin system and method of preparation |
| 05/04/2000 | WO2000024796A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 05/04/2000 | DE19850472A1 Filter unit for water preparation of steam station to supply steam for iron or cleaner has cartridge to accommodate decalcination granules |
| 05/04/2000 | CA2342221A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 05/03/2000 | CN1252009A Annular chromatography |
| 05/02/2000 | CA2035187C Separation method |
| 04/27/2000 | WO2000023177A1 Membranes containing sulphonated polyetherketone and another polymer, method for the production and use thereof |
| 04/25/2000 | US6054109 Method of purifying aqueous solution of hydrogen peroxide |
| 04/20/2000 | DE19847782A1 An electrically conducting membrane useful for direct methane fuel cells and in electrodialysis contains sulfonated alternating polyether ketones with aryl-containing repeating units and optionally fluorinated polymer |
| 04/19/2000 | EP0993336A1 Generating inorganic polymer electret in colloidal state |
| 04/19/2000 | CN1251053A Method for exchanging materials between two liquid phases |
| 04/13/2000 | WO2000020102A1 Mass transfer composite membrane for a fuel cell power plant |
| 04/12/2000 | EP0991471A1 METHOD FOR THE DEIONIZATION OF SUBSTANCES THAT ARE NOT STABLE AT ACIDIC pH |
| 04/12/2000 | EP0991470A1 Fresh air filter |
| 04/11/2000 | US6048383 Mass transfer composite membrane for a fuel cell power plant |
| 04/05/2000 | CN1249697A Electrochemically assisted ion exchange |
| 03/29/2000 | EP0988253A1 Electrochemical treatment of ion exchange material |
| 03/28/2000 | US6043067 Agitating suspended particles and liquid to divide it into turbulent zone close to liquid inlet and non-turbulent zone away from inlet; extent of turbulent zone is determined by degree of agitation; for bioreactors and wastewater treatment |
| 03/28/2000 | US6042743 Method of processing peat for use in contaminated water treatment |
| 03/21/2000 | CA2024758C Shaped bodies of macroporous ion exchange resin and method of using same |
| 03/15/2000 | EP0984900A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange with recirculation |
| 03/15/2000 | EP0984898A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in beds with defined h/d ratio |
| 03/15/2000 | CN2368599Y Protective apparatus for saving salt and increasing production matched with fluid bed |
| 03/14/2000 | US6037381 Transesterification with alcohols in presence of sodium-containing catalyst; hydroxylation, catalysis |
| 03/14/2000 | US6036921 Acid or base generator with chromatograph |
| 03/08/2000 | CN1246444A Automatic flow regulation method for water treating system |
| 03/07/2000 | US6033804 Highly fluorinated lithiumn ion exchange polymer membrane, the polymer having pendant fluoroalkoxy lithium sulfonate groups, and wherein the polymer is cation exchanged; and, at least one aprotic solvent imbibed in said membrane |
| 02/24/2000 | WO2000009588A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain |
| 02/24/2000 | WO2000009266A1 Device for water treatment |
| 02/24/2000 | WO2000009265A1 Device for water treatment |
| 02/24/2000 | CA2338606A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain |
| 02/22/2000 | CA2006957C Recovery of plant extractives |