| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
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| 02/17/2000 | DE19836514A1 Modification of engineering polymers with N-basic groups and ion exchange groups in the side chain gives membranes of good thermal and mechanical stability useful for fuel cells, diffusion dialysis, electrodialysis, and reverse osmosis |
| 02/16/2000 | CN2363784Y Ion exchange processing device |
| 02/15/2000 | US6024850 Membranes or particles with permanently attached counter ions acting as semiconductor junctions |
| 02/09/2000 | EP0978311A1 A method of fluid bed chromatography |
| 02/02/2000 | EP0976447A1 Fluid bed reactor |
| 02/02/2000 | CN2361376Y Automatic control device for multi-purpose float bed ion-exchange column |
| 01/25/2000 | US6017969 A stable ion-exchange resin against shrinkage, loaded with at least one amphiphilic ion and silver, palladium, and mercury cation; use for purifying alkyl iodide from co-catalysed carbonylation of alcohols |
| 01/20/2000 | WO2000002818A1 Ion exchange resin, cartridge using it and humidifier |
| 01/19/2000 | EP0971778A1 Method for exchanging materials between two liquid phases |
| 01/19/2000 | CN2358988Y Flow automatic regulation type floating bed ion exchanger |
| 01/18/2000 | CA2067347C Device for continuous contacting of liquids and solids |
| 01/13/2000 | WO2000001487A2 Trace metal ion reduction by ion exchange pack |
| 01/13/2000 | WO2000001459A1 Small diameter water stable zeolite composite useful as an ion exchange material |
| 01/12/2000 | EP0757586A4 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization) |
| 01/06/2000 | WO2000000287A1 Macrostructures of porous inorganic material and process of their preparation |
| 01/06/2000 | CA2335998A1 Macrostructures of porous inorganic material and process of their preparation |
| 01/05/2000 | EP0968051A1 Composite material based on zeolite and active carbon, preparation and use thereof in water treatment |
| 01/05/2000 | EP0814884A4 Improvements in membrane processes including electrodialysis |
| 01/05/2000 | CN1048016C Method of separating and recovering organogermanium compound |
| 01/04/2000 | US6009739 Method for evaluating performance of chemical filter for cleaning gas |
| 12/29/1999 | EP0751826B1 Porous ion exchanger and method for producing deionized water |
| 12/15/1999 | EP0963227A1 Annular chromatograph |
| 12/14/1999 | US6001262 Cascade ion exchange for high purity water production |
| 11/30/1999 | US5993663 Liquid filtering system in machine tools |
| 11/25/1999 | WO1999059923A1 Method and device for purification of wastewater |
| 11/24/1999 | CN2350122Y Cation resin and anion resin separated fluidized water distributor for fine treatment of condensed water |
| 11/03/1999 | EP0715659B1 Electrochemical process and device for the production of metal hydroxides and/or metal oxide hydroxides |
| 11/02/1999 | US5976379 Metathetic process utilizing a cation exchanger |
| 10/27/1999 | EP0951324A1 Biosorption system |
| 10/21/1999 | WO1999053557A1 Improved composition of a selective oxidation catalyst for use in fuel cells |
| 10/21/1999 | WO1999046782A3 Ferromagnetic particles |
| 10/21/1999 | CA2327769A1 Improved composition of a selective oxidation catalyst for use in fuel cells |
| 10/20/1999 | EP0883574A4 Anion-exchange resins with at least two different nitrogen containing ion-exchange groups |
| 10/20/1999 | CN1045728C Multi-stream ion exchange device |
| 10/19/1999 | CA2189553C Chemically modified solid phase extraction particles and articles containing same |
| 10/14/1999 | WO1999051529A1 Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange |
| 10/13/1999 | CN1045689C Polymeric film |
| 10/07/1999 | DE19812821A1 Zwillingssäulen für frontchromatographische Dekontamination Twin columns for decontamination frontchromatographische |
| 10/06/1999 | EP0946301A1 Electrodeionization apparatus and method |
| 10/05/1999 | US5961805 Method and apparatus for producing deionized water |
| 09/30/1999 | WO1999048820A1 Electric desalting apparatus |
| 09/30/1999 | WO1999048587A1 Twin columns for frontal chromatographic decontamination |
| 09/29/1999 | EP0861460B1 Device and process for adjusting ion concentrations |
| 09/23/1999 | WO1999047227A1 Removal of contaminants from biological products |
| 09/21/1999 | US5955570 Producing photoresist composition having a very low level of metal ions from novolak resins purified in a process using such an ion exchange pack. |
| 09/21/1999 | US5954937 Efficient electrostatic purification of fluid flowing through serpentine channel formed between anode and cathode members |
| 09/21/1999 | US5954936 Adjusting ph of solution to greater than 2, adsorption of anionic/cationic technicium complexes onto ion exchange resins then electroplating adsorbed complexes onto a cathode; good kinetics regardless of technecium valence state |
| 09/21/1999 | US5954935 Electrolytic cell arrangement for the deionization of aqueous solutions |
| 09/16/1999 | WO1999046782A2 Ferromagnetic particles |
| 09/16/1999 | DE19810947A1 Removal of biological contaminants from biological products using anion-exchange membrane |
| 09/07/1999 | US5948826 Heterogeneous ion exchange membrane and process for its production |
| 09/07/1999 | US5948230 Manufacturing hypochlorite solutions which comprises passing solution containing dissolved chlorine gas through diluting compartments of an electrodialysis stack, said compartments containing ion exchange granules and passing direct current |
| 09/01/1999 | EP0938755A1 Highly conductive ion exchange polymer and process |
| 09/01/1999 | CN2335699Y Water distributor |
| 08/31/1999 | US5944972 Electrodialysis |
| 08/25/1999 | EP0614401B1 Method for controlling the regeneration of a water treatment system |
| 08/24/1999 | US5942122 Method of deodorizing ion-exchanged purified water |
| 08/24/1999 | CA2027275C Process and apparatus for treating ion exchange resin |
| 08/18/1999 | CN2333701Y Resin separating device |
| 08/10/1999 | US5935442 Adsorbent particles comprise a porous composite material having pores allowing access to the interior of the composite material; relative density and particle size range are chosen to provide desired flotation/sedimentation properties |
| 08/05/1999 | WO1999038921A1 Processes of purifying a dispersion and making inkjet inks |
| 08/04/1999 | CN2331418Y Stepped resin separating unit |
| 08/03/1999 | US5932187 Process for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios |
| 07/29/1999 | WO1999037628A1 Method for recoverying melamine, ammeline and ammelide from waste liquor in melamine process |
| 07/27/1999 | US5928621 Process for the preparation of an ultra pure solution of hydrogen peroxide by ion exchange with recycling |
| 07/27/1999 | CA2157064C Production process of connected microgel particles and articles treated with connected microgel particles |
| 07/22/1999 | WO1999036358A1 Continuous production of silica via ion exchange |
| 07/13/1999 | US5922417 Impregnating non-woven fabric having polyolefin surface fibers with solution of vinyl monomer and exposing to ultraviolet radiation to cause polymerization |
| 07/13/1999 | US5922198 Having oil, grease or dissolved mineral contaminants, purification through an ultrafiltration membrane, an activated carbon column and an ion exchange resin |
| 07/08/1999 | WO1999033568A1 Ion exchange system using u-tube principle |
| 07/08/1999 | WO1999033539A1 Water purification filter |
| 07/07/1999 | EP0927732A2 Method of producing polytetrahydrofuranehaving terminal hydroxyl groups using ion exchangers. |
| 07/07/1999 | EP0861114A4 Non-fouling, flow-through capacitor, system and method of separation |
| 07/07/1999 | CN1222098A Method for removing residual water from container which contains ion exchanger resin,and device for carrying out said method |
| 07/01/1999 | DE4042633C2 Compact ion-exchange filter |
| 06/23/1999 | CN1220618A Electrodeionization apparatus having geometric arrangement of ion exchange material |
| 06/23/1999 | CN1043795C Detachable cylindrical filter for demineralization and its use |
| 06/17/1999 | WO1999029388A1 Annular chromatograph |
| 06/17/1999 | CA2279942A1 Annular chromatograph |
| 06/03/1999 | WO1999026716A1 Hydraulic magnetically actuated seat valve, especially for motor vehicle braking systems |
| 05/19/1999 | EP0915736A1 Filter sheet and process for purifying photoresist composition employing the filter sheet |
| 05/14/1999 | WO1999022851A1 Membrane filtration device |
| 05/14/1999 | WO1999022850A1 Membrane purification device |
| 05/14/1999 | WO1999022838A1 Separation process and apparatus |
| 05/12/1999 | EP0915171A2 Sample processing method using ion exchange resin |
| 05/11/1999 | US5902833 Deagglomerating with a water-soluble sulfonated polyvinylaromatic polyelectrolyte to maintain anion exchange resin kinetics |
| 05/11/1999 | CA2126739C Filter and a method for separating charged particles from a liquid stream |
| 04/22/1999 | WO1999019053A1 Methods and devices for producing solid subassemblies of fluidic particulate matter |
| 04/14/1999 | EP0907403A1 Modular apparatus for the demineralization of liquids |
| 04/14/1999 | CN2313917Y Water treating apparatus |
| 04/07/1999 | EP0906156A1 A method for removing residual water from a container which contains ion exchanger resin, and a device for carrying out said method |
| 04/07/1999 | EP0696268B1 Ethylene glycol recovery process |
| 04/06/1999 | US5891328 Membrane-frame for processes including electrodialysis |
| 03/31/1999 | EP0904149A1 Solids separation and solids flow control device |
| 03/30/1999 | CA2111052C Adsorption/reaction equipment |
| 03/24/1999 | CN1211471A Loaded ion-exchange resins, their preparation and uses |
| 03/23/1999 | US5885925 Titania bound sodium titanate ion exchanger |
| 03/23/1999 | US5885463 pH control process and system |
| 03/23/1999 | US5885462 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 03/23/1999 | US5885453 Device for the physicochemical separation of constituents of a fluid |