| 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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| 08/11/2005 | US20050173346 Ion exchange particle-bound flow-through porous monolith |
| 08/10/2005 | CN1213978C Process for producing bisphenol A |
| 08/10/2005 | CN1213810C Method of storing aminothiol-modified sulfonicacid type cation-exchange resin |
| 08/09/2005 | CA2323521C Use of tetraphenylborate for extraction of ammonium ions and amines from water |
| 08/04/2005 | US20050171220 Compositions containing particles of highly fluorinated ion exchange polymer |
| 08/02/2005 | US6924371 Use of a weakly acid cation exchange resin for chromatographic separation of carbohydrates |
| 07/28/2005 | US20050161401 using of weakly basic anion exchange resins in chromatography columns, suitable for separating reducing sugars in acidic conditions |
| 07/27/2005 | EP1268388B1 Method of removing organic iodides from organic media |
| 07/21/2005 | WO2005065265A2 Selective fluoride and ammonia removal by chromatographic separation of wastewater |
| 07/20/2005 | EP1555281A1 Process for the production of sulfoalkyl-containing polymers |
| 07/20/2005 | EP1474234B1 Enantioselective cation-exchange materials |
| 07/20/2005 | CN1642650A Ion adsorption module and method for water treatment |
| 07/19/2005 | US6919476 Simple and efficient preparation of an amino acid, alpha-tertiary-butoxycarbonylaminoethylamino-),alpha-(alkyl-)acetic acid; used to prepare peptide nucleic acids (PNA) including those having photosensitive functional groups |
| 07/13/2005 | CN1639208A Method of obtaining perfluorosulphonate polymers containing sulphonyl functional groups |
| 07/13/2005 | CN1210322C Material having separating function |
| 07/12/2005 | US6916853 Compositions containing particles of highly fluorinated ion exchange polymer |
| 07/12/2005 | CA2200735C Chromatographic resins and methods for using same |
| 07/07/2005 | US20050145572 process segregates the removal of fluoride and fluorosilicate ions from the totality of ions in the waste water stream, thus improving treatment efficiency and reducing costs |
| 07/06/2005 | EP0763199B2 Apparatus/method for electrochemically modifying chromatographic material |
| 06/30/2005 | WO2005058851A1 Process for the separation of organic nitrosonium and/or hydroxylamine compounds by means of cation exchange resins and recovery and oxidation processes based thereon |
| 06/30/2005 | US20050139549 Ion adsorption module and method for water treatment |
| 06/30/2005 | US20050139537 Negatively charged membrane |
| 06/29/2005 | EP1546238A1 Methods for directly producing stable aqueous dispersions of electrically conducting polyanilines |
| 06/29/2005 | EP1078885B1 Material for introducing physiologically-essential inorganic elements into drinkable water |
| 06/28/2005 | US6911152 High-sensitivity method and apparatus for monitoring impurities in water |
| 06/23/2005 | WO2005009578A3 Method for the recovery of acids from hydrometallurgy process solutions |
| 06/22/2005 | CN1630683A Sinter, resin particles, and process for producing the same |
| 06/16/2005 | US20050131141 Acetylation , oxidation using sulfoxide and an acid; removal urea during dialysis therapy |
| 06/16/2005 | US20050131087 based on O-allyl-N-(3,5-dichlorobenzoyl)-tyrosine; drug screening |
| 06/16/2005 | DE19542421B4 Verfahren zur selektiven Verringerung der Konzentration eines in einer Lösung vorhandenen Ions Process for the selective reduction of the concentration of an existing ion in a solution |
| 06/16/2005 | DE10005681B4 Verfahren und Vorrichtung zur Dekontamination metallhaltiger Wässer Method and device for decontamination of metal-water |
| 06/15/2005 | EP1541565A1 Process for the separation of organic nitrosonium and/or hydroxylamine compounds by means of cation exchange resins and recovery and oxidation processes based thereon |
| 06/15/2005 | EP1541032A2 Process for the purification of nutrients from food process streams |
| 06/09/2005 | WO2004094346A3 Purification of solvents used for the purification of alkylene oxide |
| 06/08/2005 | EP1538168A1 Method of obtaining perfluorosulphonate polymers containing sulphonyl functional groups |
| 06/08/2005 | EP1536888A1 Production process of film and column for cation chromatography |
| 06/08/2005 | EP1536873A1 Method of separation by adsorption |
| 06/07/2005 | US6902849 Polymer membrane and a process for the production thereof |
| 06/07/2005 | CA2323287C Ion chromatography apparatus and method for removing gas prior to sample detection |
| 06/02/2005 | WO2005049183A1 Sulfonic acid group-containing organic-silica composite membrane and method for producing thereof |
| 06/02/2005 | WO2004103545A3 Regenerant reuse |
| 06/02/2005 | US20050119357 Making uncoalesced films and elongated articles such as fibers by casting a solution of highly fluorinated ion exchange polymer particles and removing the liquid; avoids use of VOC's or alcohols which are costly to remove |
| 06/02/2005 | US20050119121 Carbon modified with organic compound; ion exchangers; catalyst |
| 06/02/2005 | CA2546621A1 Sulfonic acid group-containing organic-silica composite membrane and method for producing thereof |
| 06/01/2005 | CN1622920A Method for treating circulating water in coagulation devices of paint installations |
| 05/26/2005 | US20050109700 pH adjuster-based system for treating liquids |
| 05/25/2005 | EP1533033A1 Ion adsorption module and method for water treatment |
| 05/25/2005 | CN1202990C Zirconium phosphate crystal, and its preparing method and use |
| 05/24/2005 | US6896867 Contacting with a H+ type cation exchange resin, a carbonate ion (CO32-) or bicarboante ion(HCO3-) anion exchange resin, and then a H+ type cation exchange resin |
| 05/18/2005 | EP1530596A1 Method for producing monodisperse gel-type ion exchangers |
| 05/17/2005 | US6893564 Shaped bodies containing metal-organic frameworks |
| 05/17/2005 | US6893493 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 05/11/2005 | CN1615169A Purification of impure materials using non-aqueous solvents |
| 05/11/2005 | CN1613561A Modified acidic ion-exchange resin and method for preparing bisphenol |
| 05/04/2005 | EP0836553B1 Composite particulate material and process for preparing same |
| 05/04/2005 | CN2697070Y Dynamic ion exchanger |
| 05/03/2005 | CA2165321C Kaolin derivatives |
| 04/28/2005 | US20050090621 Process for the alkaline saponification of crosslinked acrylonitrile bead polymers |
| 04/27/2005 | EP1526117A1 A process to reduce the content of Sodium in brackish waters and equipment thereof |
| 04/27/2005 | EP1525299A2 Petal-array support for use with microplates |
| 04/27/2005 | EP1525053A1 Device and method for purification of nucleic acids |
| 04/27/2005 | EP1525052A1 Size-exclusion ion-exchange particles |
| 04/27/2005 | CN1608734A Making process of strong acid ion exchange fiber |
| 04/27/2005 | CN1608733A Making process of ion exchange fiber |
| 04/26/2005 | US6884345 Chromatography method and a column material useful in said method |
| 04/14/2005 | US20050077246 Treatment of liquid using porous polymer containment member |
| 04/12/2005 | US6878285 Water treatment system which employs inexpensive, safe, and reliable ion exchange pretreatment, post-treatment, and recharge solution fluid conditioning; improved ion-exchanger life; antifouling agents; detoxification of drinking water |
| 04/12/2005 | CA2161790C Method for fractionating sulphite cooking liquor |
| 04/07/2005 | US20050072735 Purification of ammonium metallate solutions |
| 04/06/2005 | EP1520617A1 Modified acidic ion-exchange resin and method for preparing bisphenol |
| 04/06/2005 | EP1028845B1 System for extracting soluble heavy metals from liquid solutions |
| 04/05/2005 | US6875817 Liquid chromatography; solid phase extraction using polyvinylidene polymer beads; adsorption, ion exchanging |
| 03/31/2005 | US20050070615 From phenol and a ketone using ion exchange resin catalyst |
| 03/30/2005 | EP1518114A1 Surface-modified base matrices |
| 03/29/2005 | US6872369 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 03/24/2005 | US20050061744 Method for the recovery of acids from hydrometallurgy process solutions |
| 03/23/2005 | CN1597875A In-tank time release ion exchange resin containing a fuel additive |
| 03/23/2005 | CN1597518A Purification of ammonium metallate solutions |
| 03/23/2005 | CN1597039A Method of extracting and separating morphine using cation exchange resin |
| 03/22/2005 | US6869674 The ion-exchangeable organic cation content of the material being ten to ninety-five percent of the cation exchange capacity of the cation exchanging layered material. |
| 03/17/2005 | WO2005024103A1 Method for producing cellulose shaped bodies |
| 03/17/2005 | WO2005023724A1 The method for manufacturing of advanced ion exchange illite |
| 03/17/2005 | WO2002066381A8 Method of removing hardness from water by using macrocrystalline aggregates |
| 03/16/2005 | EP1514847A2 Purification of ammonium metallate solutions |
| 03/16/2005 | EP1514278A1 Ion exchange materials for the separation of 90y from 90sr |
| 03/16/2005 | EP1513849A1 Shaped bodies containing metal-organic frameworks |
| 03/15/2005 | US6867275 Solid media |
| 03/15/2005 | US6866775 Apparatus for treating metal-working fluid |
| 03/15/2005 | US6866704 Microporous filter media with intrinsic safety feature |
| 03/15/2005 | CA2314850C Suppressor for continuous electrochemically suppression ion chromatography and method |
| 03/10/2005 | US20050051491 Regenerant reuse |
| 03/10/2005 | CA2480755A1 Purification of ammonium metallate solutions |
| 03/09/2005 | EP1511686A1 Betastructured mixed organic and inorganic cation exchanged layered materials and nanocomposites |
| 03/08/2005 | US6863713 Method to adsorb an adsorbate using modified carbonaceous material |
| 03/03/2005 | WO2005018802A2 Compositions and chromatography materials for bioseparation |
| 03/02/2005 | EP1510597A1 Process for the reconditioning of passivation solutions free of chromium VI for electroplating |
| 03/02/2005 | EP1423197B1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same |
| 03/01/2005 | US6861473 Macromolecular ketoaldehydes |
| 03/01/2005 | US6860393 Filter device and filter element comprising at least one negatively charged membrane |
| 02/24/2005 | DE10234625B4 Dampferzeuger mit Reaktor zur Kalkkristallkeimbildung Steam generator reactor for Kalkkristallkeimbildung |