| Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694) |
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| 05/06/2004 | US20040087732 Method for preparing sulfonated organic porous material |
| 05/06/2004 | US20040086764 Polymer membrane material is irradiated; irradiated polymer membrane material is sulfonated in order to link sulfonic acid groups to it |
| 05/06/2004 | EP1414741A2 Methods for making chlorous acid and chlorine dioxide |
| 05/06/2004 | EP1112389A4 Process for recovery of gold and/or silver |
| 05/05/2004 | CN1148340C Catalyst for preparing 3-hydroxy-propionaldehyde by acroleic hydration |
| 05/04/2004 | CA2097478C Process for the production of acetic acid |
| 04/29/2004 | WO2004036598A2 Method for removing heavy metals and radionuclides |
| 04/29/2004 | WO2004035663A2 Method for preparing an ion exchange media |
| 04/29/2004 | WO2004035660A1 Process for the production of sulfoalkyl-containing polymers |
| 04/29/2004 | US20040082744 Amidomethylating a styrene polymer; ion echange resins; removal metal from aqueous solution |
| 04/29/2004 | CA2502554A1 Method for preparing an ion exchange media |
| 04/29/2004 | CA2502551A1 Process for the production of sulfoalkyl-containing polymers |
| 04/28/2004 | CN1491891A New process for synthesizing lithium ion separation material |
| 04/22/2004 | WO2004011592A3 Petal-array support for use with microplates |
| 04/22/2004 | US20040077889 Acid catalysts, cation exchangers |
| 04/15/2004 | US20040071968 Porous compositions comprising surface modified monoliths |
| 04/15/2004 | US20040071820 As animal feed |
| 04/15/2004 | US20040069712 Liquid and/or solid ion exchange material prepared by contacting clinoptilolite with an alkaline solution at 85-300 degrees C. to form a slurry; separating the solids and washing; and recovering the liquid fraction |
| 04/15/2004 | US20040069711 Method for removing heavy metals and radionuclides from an aqueous solution |
| 04/14/2004 | EP1406842A1 Process for the extraction of an organic heavy metal compound from an aqueous medium |
| 04/14/2004 | CN1145602C Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydropropanal solution |
| 04/08/2004 | US20040065620 Antimony silicate doped with niobium, tungsten, tantalum compound; extraction of radioactive materials from aqueous solution |
| 04/07/2004 | EP1405671A2 Method of preventing corrosion in a water system |
| 04/07/2004 | EP1404616A1 Production of ultrapure bismuth-213 for use in therapeutic nuclear medicine |
| 04/07/2004 | EP1404430A2 Automated radionuclide separation system and method |
| 04/07/2004 | CN1487775A Method for producing organic EL apparatus and apparatus for producing organic EL apparatus |
| 03/31/2004 | EP1401576A1 Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
| 03/31/2004 | EP1177226B1 Styrene-containing popcorn polymers, method for producing same and utilisation |
| 03/30/2004 | US6712975 Method for treating metal-working fluid |
| 03/25/2004 | WO2004024325A1 Production process of film and column for cation chromatography |
| 03/25/2004 | US20040058421 Method of preparing a modified corn steep liqour product |
| 03/25/2004 | US20040055958 System and method for removing heavy metal from wastewater |
| 03/25/2004 | CA2498515A1 Production process of film and column for cation chromatography |
| 03/18/2004 | WO2004022611A1 Method for producing monodisperse gel-type ion exchangers |
| 03/18/2004 | WO2004022196A1 Method of separation by adsorption |
| 03/18/2004 | US20040050794 Method for separating multivalent metal ions |
| 03/18/2004 | US20040050785 Using ion exchange resin; adsorption; membrane filter; separation |
| 03/18/2004 | US20040050784 Method for the manufacture of compositions containing low concentrations of salts |
| 03/17/2004 | EP1398331A1 Method for preparing sulfonated organic porous material |
| 03/17/2004 | EP0868212B2 Process for the preparation of free-flowing or temporarily free-flowing very acidic cation exchangers |
| 03/17/2004 | CN1142007C Mass transfer composite membrane for fuel cell power plant |
| 03/16/2004 | US6706361 Polymeric ion exchange fibers |
| 03/16/2004 | US6706187 Charged acrylamide polymer to change the effective charge density or hydrophilic/hydrophobic balance on surface of a stationary phase by an external stimulus, such as temperature, while fixing a mobile phase to an aqueous system |
| 03/16/2004 | CA2342692C A process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin |
| 03/11/2004 | WO2004020095A1 Ion adsorption module and method for water treatment |
| 03/10/2004 | EP1395521A1 Article for deionization of water |
| 03/10/2004 | EP1242816B1 Chromatography material and a method using same |
| 03/10/2004 | CN1480257A Nano ion exchange material and its preparing method |
| 03/04/2004 | WO2004018544A1 Methods for directly producing stable aqueous dispersions of electrically conducting polyanilines |
| 03/04/2004 | DE10254952A1 Regeneration of phosphatizing bath overflow or rinse water involves passage through a weakly acidic ion-exchanger followed by a second weakly acidic ion-exchanger, a strongly acidic ion-exchanger or a reverse osmosis apparatus |
| 03/04/2004 | CA2496406A1 Methods for directly producing stable aqueous dispersions of electrically conducting polyanilines |
| 03/03/2004 | CN1479652A Method of storing aminothiol-modified sulfonicacid type cation-exchange resin |
| 03/03/2004 | CN1140544C Process for prepn. of very acidic cation exchangers |
| 03/03/2004 | CN1140352C Method and apparatus for eliminating metal cations from liquid with polyazacloalkane resins grafted on carrier |
| 02/26/2004 | US20040039224 T-butoxycarbonylaminoethylamine for the synthesis of pna monomer units, amino acid derivatives, intermediates thereof, and processes for productions of them |
| 02/26/2004 | US20040039070 Strong base quaternary ammonium anion exchange resin and strong acid sulfonated cation exchange resin pretreated respectfully with 10-800 mg of water-soluble sulfonated poly (vinylaromatic)polyelectrolyte and cationic polyelectrolyte |
| 02/26/2004 | US20040037765 Treating a nickel-bearing aqueous solution consisting of phosphating-bath overflow and/or of rinsing water after phosphating, phosphating being effected with an acidic aqueous phosphating solution that contains 3 to 50 g/l phosphate ions |
| 02/26/2004 | US20040037385 Condensate demineralization |
| 02/26/2004 | US20040035795 Comprises recirculated evaporative cooling water stream and cationic exchange resin; corrosion resistance |
| 02/26/2004 | DE10237601A1 Production of monodisperse gel-type ion exchangers by a seed-feed process using a solution-polymerized seed polymer |
| 02/24/2004 | US6696503 Polymerizing unsaturated aliphatic nitrites with di- or polyvinyl ethers as crosslinking agents and also with initiator in suspension in presence of protective colloids to form bead polymer, hydrolyzing the polymer and ion exchanging |
| 02/24/2004 | US6696385 Method of preserving sulfonic acid-type cation-exchange resin modified with thiol-containing amine compound |
| 02/19/2004 | US20040034157 Coating dishes by spraying with mixtures of nanostructure laponite particles, dispersants, surfactants, buffers and wetting agents, then drying to form clear coats; durability; antisoilants |
| 02/19/2004 | US20040033392 Betastructured mixed organic and inorganic cation exchanged layered materials and nanocomposites |
| 02/19/2004 | DE10234625A1 Steamer, for a cooking appliance using steam, has a reactor bed in the water flow path with ion exchange material, to form calcium nucleation and prevent deposits building up on the walls |
| 02/18/2004 | EP1098706B1 METHOD FOR CONVERTING A PREFERABLY WEAK ACID ION-EXCHANGE MATERIAL FROM THE H FORM INTO THE Ca FORM |
| 02/17/2004 | US6693071 Rinse aid surface coating compositions for modifying dishware surfaces |
| 02/12/2004 | US20040026662 Dye loaded zeolite material |
| 02/11/2004 | CN1474655A Modified corn steep liquor product |
| 02/10/2004 | CA2029961C Ion exchange resins |
| 02/05/2004 | WO2004011592A2 Petal-array support for use with microplates |
| 02/05/2004 | WO2004011142A1 Device and method for purification of nucleic acids |
| 02/05/2004 | WO2004011141A1 Size-exclusion ion-exchange particles |
| 02/05/2004 | US20040020857 Method for mixed mode adsorption and mixed mode adsorbents |
| 02/04/2004 | CN1137000C Ion exchange fibre and its preparing process |
| 02/03/2004 | US6686508 Process for producing bisphenol A |
| 02/03/2004 | US6686035 As packing materials for liquid chromatography; efficiency |
| 02/03/2004 | US6685910 As ion exchangers |
| 01/29/2004 | US20040019125 Ion exchanger for lipoproteins separation and lipoproteins separation method using the same |
| 01/28/2004 | EP1384746A1 Composite porous ion-exchanger, method of manufacturing the ion-exchanger, deionization module using the ion- exchanger, and electric deionized water manufacturing device |
| 01/28/2004 | CN1470456A Zirconium phosphate crystal, and its preparing method and use |
| 01/27/2004 | US6682701 High purity chromatography eluents |
| 01/22/2004 | WO2004008134A1 Method for evaluating cation-exchage resin and method for controlling water treatment system using the same |
| 01/22/2004 | WO2004007360A1 Zirconium phosphate, hafnium phosphate and method of making same |
| 01/21/2004 | EP1381463A2 Process for producing a strong-acid cation exchange resin |
| 01/21/2004 | CN1469845A Process for recovering onium hydroxides from solutions containing onium compounds |
| 01/15/2004 | WO2004005380A1 Highly conductive ordered ion exchange membranes |
| 01/15/2004 | WO2004004903A1 Process for preparing gel-type cation exchangers |
| 01/15/2004 | US20040007532 Zirconium phosphate, hafnium phosphate and method of making same |
| 01/15/2004 | US20040007530 Comprises ethylenediamine-N,N-tetra(methylenephosphonic) acid; for ion exchange/chromatography; improved biocompability |
| 01/14/2004 | EP1380344A1 Method for producing gel-type cation exchangers |
| 01/14/2004 | EP1379921A1 Process for producing acid sensitive liquid composition containing a carbonate |
| 01/08/2004 | WO2004003542A1 Surface-modified base matrices |
| 01/08/2004 | US20040006223 Use of a weakly acid cation exchange resin for chromatographic separation of carbohydrates |
| 01/08/2004 | US20040006145 Process for preparing gel-type cation exchangers |
| 01/08/2004 | US20040005272 Method for separation of 90Y from 90Sr |
| 01/07/2004 | EP1378258A1 Adsorbent device for body fluid treatment |
| 01/07/2004 | CN1466632A Method for recovering monosaccharide from solution using weakly acid cation exchange resin for chromatographic separation |
| 12/30/2003 | US6669849 Water treatment process |
| 12/24/2003 | WO2003107358A1 Ion exchange materials for the separation of 90y from 90sr |