| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
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| 08/14/1997 | WO1997028898A1 Improved filled porous polymers with surface active agents and methods of making same |
| 08/14/1997 | WO1997028889A1 Modular apparatus for the demineralization of liquids |
| 08/14/1997 | WO1997028878A1 Multi-layer cartridge housing for a fluid purifier to inhibit fluid contamination |
| 08/14/1997 | CA2245566A1 Modular apparatus for the demineralization of liquids |
| 08/13/1997 | CN2259223Y Automatic ion exchanger |
| 08/11/1997 | CA2197049A1 Process for the removal of alkali from condensation resins |
| 08/07/1997 | WO1997028090A1 Filter for drinking water filtration |
| 08/05/1997 | US5653878 Single orifice bottle water filter |
| 07/29/1997 | US5652190 Method for regenerating magnetic polyamine-epichlorohydrin resin |
| 07/24/1997 | WO1997026065A1 Processes for deionization and demineralization of fluids |
| 07/24/1997 | DE19601595A1 Ion exchange bed with low flow resistance |
| 07/23/1997 | EP0784855A2 Radioactive waste disposal cartridge |
| 07/17/1997 | WO1997025147A1 Electrodeionization apparatus having geometric arrangement of ion exchange material |
| 07/17/1997 | CA2242549A1 Electrodeionization apparatus having geometric arrangement of ion exchange material |
| 07/16/1997 | CN2257820Y Two-stage wheel-type floating bed |
| 07/10/1997 | DE19624744C1 Disinfecting filter unit removes viruses, germs, pathogenic bacteria and coarse contaminants |
| 07/02/1997 | EP0781605A1 Removal of metal compounds from an acid solution |
| 07/02/1997 | EP0781255A1 Water treatment process |
| 07/01/1997 | US5644064 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |
| 06/28/1997 | CA2193778A1 Removal of metal compounds from an acid solution |
| 06/25/1997 | EP0779830A1 Sieve system for an ion exchange column |
| 06/25/1997 | CN1152971A Modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane |
| 06/25/1997 | CN1152929A Fuel cell incorporating novel ion-conducting membrane |
| 06/17/1997 | US5639550 Composite particulate material and process for preparing same |
| 06/11/1997 | EP0777528A1 Process for reducing the concentration of multivalent cations in aqueous solutions |
| 06/11/1997 | EP0777516A1 Method for the physical/chemical separation of the components of a fluid |
| 06/10/1997 | US5637278 Used for filtration or ion exchanging |
| 06/04/1997 | EP0666777B1 Method and device for treatment and disposal of spent ion-exchange resin |
| 06/04/1997 | CN2255426Y Ion exchanger for treatment of water-softening |
| 06/04/1997 | CN1151193A Electrochemical process and device for the production of metal hydroxides and/or metal oxide hydroxides |
| 05/28/1997 | EP0775524A2 Ion exchange resin particle separation system |
| 05/28/1997 | EP0775091A1 Biocide filter |
| 05/28/1997 | CA2191358A1 Ion exchange resin particle separation system |
| 05/22/1997 | WO1997018503A1 Device and process for adjusting ion concentrations |
| 05/13/1997 | US5628895 Closed circuit for treating drinking water with UV treatment and filtering |
| 05/06/1997 | US5626764 Continuous multicomponent focusing in a magnetically stabilized fluidized bed |
| 05/06/1997 | US5626763 Adsorption and ion exchange using a bed of stratified porous granules |
| 05/06/1997 | US5626750 Apparatus for treating a fluid in an ion exchange process |
| 05/06/1997 | US5626731 Cation exchange membranes and method for the preparation of such membranes |
| 05/02/1997 | EP0770427A2 Thermally-driven ion-exchange process for lithium recovery |
| 04/23/1997 | EP0769032A1 Bipolar membrane and method for fabricating such bipolar membrane |
| 04/22/1997 | US5622631 Recirculation of wash water to the photoprocessing operation via a silver recovery system; wash water is periodically discharged to waste and preferential amount of fresh water is added to reduce thiosulfate ions in wash water |
| 04/17/1997 | WO1997013580A1 A metathetic process utilizing a cation exchanger |
| 04/17/1997 | WO1997013568A1 Non-fouling, flow-through capacitor, system and method of separation |
| 04/15/1997 | US5620597 Non-fouling flow-through capacitor |
| 04/09/1997 | CN1146977A Water treatment method and apparatus for treating waste water by using ion exchange resin |
| 04/08/1997 | US5618438 Method of isolating an analyte using a solid phase extraction medium |
| 04/01/1997 | US5616407 Self-wettable solid phase extraction medium |
| 04/01/1997 | US5616243 Filter for inverted bottle type water dispenser |
| 03/20/1997 | DE19534454A1 Hand-held water purification assembly fabricated from perforated plastic foil |
| 03/19/1997 | EP0763070A1 Fuel cell incorporating novel ion-conducting membrane |
| 03/19/1997 | EP0762927A1 Single and multiple electrolytic cells and arrays of such cells for deionizing aqueous solutions |
| 03/19/1997 | CN1145595A Porous ion exchanger and method for producing deionized water |
| 03/18/1997 | US5612522 Reaction of sodium silicate and aluminate solutions to form sodium aluminosilicate gel for zeolites and reaction with potassium carbonate or bicarbonate |
| 03/18/1997 | US5611929 Adsorbent filter bed with pliant and stiff members and method for removing impurities from liquid |
| 03/18/1997 | CA2118703C Particle-loaded blown microfiber article for separation and purification |
| 03/12/1997 | EP0761018A1 A modified cation exchange membrane for electrochemical cells and method for the preparation of such membrane |
| 03/12/1997 | EP0760805A1 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes |
| 03/11/1997 | US5609742 Electrolytic process and apparatus for the controlled reduction of inorganic and organic species in aqueous solutions |
| 03/05/1997 | EP0760249A1 Process for the production of connected microgel particles and articles treated with connected microgel particles |
| 03/05/1997 | EP0759805A1 Polarity reversal and double reversal electrodeionization apparatus and method |
| 02/25/1997 | US5605993 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |
| 02/25/1997 | US5605632 Ion exchange resin and pump |
| 02/20/1997 | DE19530189A1 Sepn. column for granular cationic- and anionic exchange resins achieves efficient partition |
| 02/19/1997 | EP0758627A2 Water treating method and apparatus treating waste water by using ion exchange resin |
| 02/19/1997 | EP0758261A1 Chemically modified solid phase extraction particles and articles containing same |
| 02/18/1997 | US5603987 Composite particulate material and process for preparing same |
| 02/12/1997 | EP0757586A1 Improvements in electrodialysis including filled cell electrodialysis (electrodeionization) |
| 02/11/1997 | US5601722 Converting anion exchange resin to hexacyanoferrate/ii/ form, washing with water, adding aqueous copper salt solution to form insoluble copper hexacyanoferrate in pores, oxidizing, reducing in presence of monovalent cations, copper ions |
| 02/05/1997 | CN1141886A Technology for treatment of waste liquid containing cyanogen by ion exchange method |
| 02/04/1997 | US5599516 Recovery of lithium values from brines |
| 02/04/1997 | US5599437 Waster solutions containing low levels of metal impurities |
| 01/28/1997 | US5597850 Open-celled cellulosic sponge containing polyethyleneimine |
| 01/27/1997 | CA2179138A1 Apparatus for treating a fluid in an ion exchange process |
| 01/23/1997 | WO1997002308A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for producing them |
| 01/23/1997 | CA2225817A1 Polyarylene sulphides with polymer-bound phosphonium salts and process for preparing them |
| 01/22/1997 | EP0754495A1 Method and apparatus to sense changes in the state of a resin bed |
| 01/22/1997 | EP0662249B1 Ion exchange membrane having increased efficiency in proton exchange processes |
| 01/21/1997 | US5595676 Fluorinated polymers |
| 01/21/1997 | US5595666 Removal of radioactive materials and heavy metals from water using magnetic resin |
| 01/21/1997 | US5595652 Regenerated cellulose, chelation polymer |
| 01/21/1997 | US5595649 Particle-loaded nonwoven fibrous article for separations and purifications |
| 01/14/1997 | US5593563 Electrodeionization process for purifying a liquid |
| 01/14/1997 | US5593554 Electrolytic ionized water producing apparatus |
| 01/09/1997 | WO1997000830A1 Electrolysis of electroactive species using pulsed current |
| 01/09/1997 | WO1997000770A1 Composite particulate material and process for preparing same |
| 01/09/1997 | WO1997000715A1 Method for the physical/chemical separation of the components of a fluid |
| 01/09/1997 | CA2196436A1 Method for the physical/chemical separation of the components of a fluid |
| 01/08/1997 | EP0751826A1 Porous ion exchanger and method for producing deionized water |
| 01/02/1997 | DE19523861A1 Novel tri:phenyl phosphonium polyarylene sulphide ionomers |
| 12/24/1996 | US5587239 Ball-like structures and contacting materials for wastewater-treatment |
| 12/17/1996 | US5585171 Removal impurities from liquid stream |
| 12/17/1996 | US5584981 Electrochemical deionization |
| 12/05/1996 | DE19620276A1 Regeneratorfilterpatronen Regeneratorfilterpatronen |
| 12/03/1996 | US5580447 Biocide filter |
| 12/03/1996 | US5580445 Both ion exchanging and regeneration |
| 11/20/1996 | CN1136287A Demineralization cartridge |
| 11/13/1996 | EP0653952B1 Treatment device |
| 10/30/1996 | EP0696268A4 Ethylene glycol recovery process |
| 10/29/1996 | US5569729 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |