| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
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| 10/04/1989 | EP0335571A2 Spiral wrapped fluid treatment element |
| 10/03/1989 | US4871463 Vertical reaction vessel |
| 10/03/1989 | US4871431 Apparatus for the removal of dissolved solids from liquids using bipolar membranes |
| 09/27/1989 | EP0334547A2 Adjusting charge ratio of liquid mixtures |
| 09/26/1989 | CA1261435A1 System for treating fluids |
| 09/06/1989 | EP0331321A2 Organic polymeric material and ion-exchange membrane produced therefrom |
| 09/05/1989 | US4863103 Combination sink spray and water filter apparatus |
| 08/30/1989 | EP0330623A1 Process and apparatus for the discontinuous ion exchange treatment of salt-containing liquids |
| 08/30/1989 | CN2043526U Exchanger with steel outer layer and plastic inner face |
| 08/15/1989 | CA1258543A1 Removal of ammonia from wastewater |
| 08/08/1989 | CA1258342A1 Preparation of ion-exchange catalysts |
| 08/01/1989 | US4853130 Method for purifying liquids |
| 07/26/1989 | EP0325046A1 Method of and apparatus for controlling pH and/or electric conductivity of water using ion exchange resin |
| 07/26/1989 | CN1034146A Ion-exchange unit with a tube for input and output of resin |
| 07/19/1989 | EP0324634A2 Brewing apparatus for brewing tea or coffee including water purification apparatus |
| 07/18/1989 | US4849109 Use of structure with membrane having continuous pores |
| 06/28/1989 | EP0321615A1 Ion exchange process having increased flow rates |
| 06/28/1989 | CN2039998U Tube type ion-exchanger |
| 06/27/1989 | CA1256384A1 Process for continuous removal of ammoniacal nitrogen from aqueous streams |
| 06/13/1989 | CA1255827A1 Polysaccharide supports |
| 06/13/1989 | CA1255818A1 Liquid treating installation and process, namely for the demineralisation of water passing through a dense bed of active granular material in the upper stage, and periodic counterflow regeneration |
| 06/06/1989 | CA1255442A1 Inert separator beads for regeneration of mixed bed ion exchange resins |
| 05/24/1989 | EP0316642A2 Gel-in-matrix containing a fractured hydrogel |
| 05/23/1989 | US4832850 Method and device for mass transport and separation through selective barriers |
| 05/17/1989 | EP0316047A1 A method for the separating of amphoteric mixtures in adsorption columns and adsorption beds and an apparatus therefor |
| 05/10/1989 | CN1032805A Gel-in-matrix containning fractured hydrogel |
| 05/03/1989 | CN2036859U Na ion exchanger with internal scrubbed floating bed |
| 05/02/1989 | US4826790 Production of porous mullite bodies |
| 05/02/1989 | US4826789 Porous inorganic materials |
| 05/02/1989 | US4826594 Portable water conditioning apparatus |
| 04/25/1989 | CA1253129A1 Porous inorganic materials |
| 04/06/1989 | DE3731658A1 Active filter unit for chemical and biological water treatment |
| 04/05/1989 | EP0309640A1 Apparatus for connection and better use of ion exchangers in industrial water processing |
| 04/04/1989 | US4818411 Deoxygenation process |
| 04/04/1989 | US4818409 Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts |
| 03/29/1989 | EP0309337A1 Ion exchangers based on fluorinated polymers containing metalic aggregates in the mass or on its surface, and process for their production |
| 03/21/1989 | US4814147 Column for physical or chemical treatment in heterogeneous phase |
| 03/01/1989 | CN2033292U Ion exchange column for extracting bromine from bittern |
| 02/28/1989 | US4808317 Process for continuous contacting of fluids and solids |
| 02/28/1989 | US4808202 Adsorptive fiber sheet |
| 02/22/1989 | CN2033005U Double-current weak acid resin hydrogen ion-exchanger |
| 02/21/1989 | US4806236 Apparatus for upflow ion exchange |
| 02/14/1989 | CA1249914A1 Device for continuous contacting of fluids and solids |
| 02/14/1989 | CA1249908A1 Bipolar membranes |
| 02/08/1989 | EP0302293A1 Process for purifying solids and liquids |
| 01/25/1989 | EP0299971A1 Electrodialysis membranes comprising sulfonated constituents. |
| 01/10/1989 | CA1248645A1 Deoxygenation process and apparatus |
| 01/04/1989 | EP0297994A2 Process for the chromatographic separation, especially of isotopes or ions with the aid of ion exchange resin coatings and suitable resins for the process |
| 12/29/1988 | WO1988010248A1 Process for separating amino acids |
| 12/28/1988 | EP0296937A1 Process for the separation of amino acids |
| 12/28/1988 | CA1247762A Method for treating aqueous solutions with weakly acidic cation exchange resins |
| 12/28/1988 | CA1247761A Method for treating aqueous solutions with weakly acidic cation exchange resins |
| 12/28/1988 | CA1247329A Fluid treatment process and apparatus |
| 12/20/1988 | CA1247049A1 Unreinforced membrane, electrochemical cell and electrolysis process |
| 12/14/1988 | CN88201669U Biting type water filter cap with tower shape |
| 12/14/1988 | CN88103696A Treating apparatus and technology for sodium-ion exchanging water without electric consuming |
| 12/13/1988 | US4791063 Removal of contaminants from biological fluids |
| 12/13/1988 | US4790918 Adsorption and desorption by repeat reversal of electrode polarity |
| 12/13/1988 | CA1246799A1 Anisotropic microporous supports impregnated with polymeric ion-exchange materials |
| 12/07/1988 | EP0293736A2 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 12/06/1988 | US4789486 Water desalinization process |
| 12/06/1988 | US4789479 Packing for chromatography |
| 11/22/1988 | US4786527 Method of applying a layer of ion-exchange resin to a support matrix, permeable to liquid, in a filter element |
| 11/09/1988 | EP0289543A1 A method for cleansing metal-containing solutions, and apparatus herefor. |
| 11/01/1988 | US4781838 Solid polyvinyl alcohol-based support able to adsorb lipoproteins and its use for the separation of low density lipoproteins present in a liquid, such as blood plasma |
| 10/26/1988 | EP0288310A2 Substrate and process for making a substrate |
| 10/26/1988 | EP0287917A2 Purification of liquids with treated polyester fibers |
| 10/25/1988 | US4780213 Filter media and method of filtration |
| 10/11/1988 | CA1242862A1 Derivatized polystyrene and other supports for spectroscopic studies |
| 10/06/1988 | DE3808633A1 Method for producing dissolved salts and acids by ion exchanger resins |
| 10/05/1988 | EP0284944A1 Process for changing the capacity of an ion exchanger for a particular chemical element |
| 10/04/1988 | CA1242555A1 Production of ion-exchange membrane |
| 09/27/1988 | US4773997 Leaching impurities into liquid, then ion exchanging; disposable filter cartridge |
| 09/27/1988 | US4773979 Equipment for purifying gases and liquids |
| 09/06/1988 | US4769144 For filtering water into bottles; with cap for emptying |
| 09/06/1988 | CA1241775A1 Mobile fluid purification unit |
| 08/23/1988 | US4766161 Interfacial layer of polymer matrix containing a dispersion of a cationic exchange resin having quaternized and nonquaternized amine groups |
| 08/23/1988 | CA1240923A1 Lipoprotein fractionation |
| 08/16/1988 | US4764276 To increase resin reaction efficiency in minimum substrate |
| 08/09/1988 | CA1240419A1 Process and device for treating liquids with cation exchangers and anion exchangers |
| 08/02/1988 | US4761236 Coordinated sorptive strand contactor |
| 07/19/1988 | US4758349 Selective adsorption |
| 07/19/1988 | US4758250 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 07/14/1988 | DE3700052A1 Multi-piston internal combustion engine with common combustion chamber |
| 07/13/1988 | EP0274395A2 Stabilization of cation exchange resins used in precoat filters |
| 07/06/1988 | EP0273339A2 Method of separating and transferring ion-exchange resin |
| 07/05/1988 | US4755322 Method of obtaining composite ion exchangers |
| 06/29/1988 | CN86108390A Preparation of secondary ammonium tungstate with high purity using two-step ion exchange method |
| 06/21/1988 | US4752395 Protein molecules arranged in crystal lattice, for ultrafiltration |
| 06/15/1988 | EP0271065A2 Method and apparatus for treating fluids |
| 06/15/1988 | CN87211270U Simple sectional contraflow regenerating sodium iom exchanger |
| 06/07/1988 | US4749312 Process for the dosing and transfer of a granular product and corresponding installation |
| 06/01/1988 | EP0269462A2 Adsorptive sheet |
| 06/01/1988 | EP0132275B1 Method for preventing compaction in sorbent beds |
| 05/31/1988 | US4747955 Purification of liquids with treated polyester fibers |
| 05/31/1988 | US4747949 Liquid membrane coated ion-exchange column solids |
| 05/24/1988 | US4746438 Demineralization, degasification |
| 05/17/1988 | US4745134 Inert separator beads for regeneration of mixed bed-ion exchange resins |
| 05/03/1988 | US4741828 Sieve-type, bacteriostat |
| 05/03/1988 | US4741824 Apparatus for continuous elution and absorption |