| Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418) |
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| 03/23/2005 | CN1597118A Quaternary ammonium type anion exchange agent and its preparation method |
| 03/17/2005 | WO2005024103A1 Method for producing cellulose shaped bodies |
| 03/15/2005 | US6867295 Ion exchange cryptands covalently bound to substrates |
| 03/15/2005 | US6867275 Solid media |
| 03/15/2005 | CA2314850C Suppressor for continuous electrochemically suppression ion chromatography and method |
| 03/09/2005 | CN1191997C Method for recovering fluorinated alkanoic acids from waste water |
| 03/08/2005 | US6863905 Enhanced iodine treatment of drinking water |
| 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 | EP1423197B1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same |
| 03/01/2005 | US6861473 Macromolecular ketoaldehydes |
| 02/24/2005 | US20050040111 Water treatment/remediation system |
| 02/23/2005 | EP1237820B1 Process and system for treatment of waste streams containing water-soluble polymers |
| 02/17/2005 | US20050038130 Addition homo- or copolymerization of acrylonitrile and/or methyl acrylate in mixture with crosslinking agent, free radical catalyst, dispersion aid, and iron oxide or -oxyhydroxide to bead polymer; curing, heat treatment; saponification, chloromethylation, amination; arsenic removal; pollution control |
| 02/17/2005 | US20050035045 In-tank time release ion exchange resin containing a fuel additive |
| 02/16/2005 | EP1506994A1 In-tank time release ion exchange resin containing a fuel additive |
| 02/13/2005 | CA2473770A1 In-tank time release ion exchange resin containing a fuel additive |
| 02/10/2005 | WO2005012192A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 02/10/2005 | US20050032922 Liquid chromatography; solid phase extraction using polyvinylidene polymer beads; adsorption, ion exchanging |
| 02/10/2005 | CA2535729A1 Method and system for control of microorganisms in metalworking fluid |
| 02/10/2005 | CA2531063A1 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 02/09/2005 | EP1503836A2 Multi-layered macromolecules and methods for their use |
| 02/09/2005 | CN1188440C Functionalized polymeric media for separation of analytes |
| 02/08/2005 | US6852230 Method for the manufacture of compositions containing low concentrations of salts |
| 02/08/2005 | US6851561 Positively charged membrane |
| 02/03/2005 | US20050023212 polymerizing a water-in-oil type emulsion comprising an oil-soluble monomer not containing any ion exchange group to form a material with a continuous pore structure of interconnected macropores and mesopores with a radius of 0.01-100 mu m on the walls of the macropores and total pore volume of 5-50 ml/g |
| 02/03/2005 | US20050023203 evaporators comprising acrylonitrile-vinly acetate graft polymers and curung agent, usaed for separation of volatile organic substances such as dimethyl formamide from water; water treatment |
| 02/02/2005 | EP1501369A2 Non-affinity purification of proteins |
| 01/18/2005 | US6844372 Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the same |
| 01/18/2005 | US6844371 Material having separating function |
| 01/12/2005 | EP1495800A2 Method for the preparation of ion exchangers containing iron oxide and/or iron oxyhydroxide |
| 01/12/2005 | CN1563123A Water dispersion type emulsion of crylic acid, preparation method and usage |
| 01/11/2005 | US6841580 Divinylbenzene-styrene copolymer as high strength adsorbent matrix; anti-swelling/-shrinking; chromatography zene copolymer. |
| 01/06/2005 | US20050004240 Encapsulating and polymerizing droplets containing acrylic, monovinyl aromatic and crosslinking monomers to form beads, aminating without methanol postwashing and quaternizing; osmotic and mechanical stability; reduced pressure drop and wash water consumption; low conductivity |
| 12/30/2004 | US20040267060 Process of removing organic halogen-containing compounds |
| 12/30/2004 | US20040266896 Alkali-stable hydrophilic sorbents for ion-exchange chromatography |
| 12/30/2004 | DE10327112A1 Ion exchange material production used for e.g. water treatment, comprises polymerizing a vinyl monomer in the presence of iron (oxy)hydroxide and functionalizing the resulting bead polymer |
| 12/29/2004 | EP1490521A1 Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof |
| 12/29/2004 | EP1490488A2 Purification methods for oligonucleotides and their analogs |
| 12/29/2004 | EP1165443B1 Water purification process |
| 12/28/2004 | US6835320 Contains sulfuric acid anions and a trivalent salt; anion-exchanger |
| 12/23/2004 | US20040256597 High selectivity perchlorate removal resins and methods and systems using same |
| 12/22/2004 | EP0964878A4 Hydrolytically stable resins for use in anion-exchange chromatography |
| 12/21/2004 | US6833403 Aqueous dispersions of fluoropolymers |
| 12/16/2004 | US20040251207 Method and apparatus for deionizing water |
| 12/16/2004 | US20040251193 Ply is wound at a given spiral winding angle in such a manner that gaps are defined between adjacent edges of consecutive turns of the ply, and the wide ply gaps have the effect of increasing the compliance of intermediate zone of tube wall |
| 12/09/2004 | WO2004105945A1 Anion exchange resins for recovery of anions and anionic complexes containing metals from liquids and pulps |
| 12/08/2004 | EP1483225A1 Production and purification of phenol |
| 12/08/2004 | CN1178865C Water purification process |
| 12/07/2004 | US6829319 Condensate demineralization |
| 12/07/2004 | US6828436 Including polycyclic aromatic compounds having sulfonic acid moieties attached thereon |
| 12/02/2004 | US20040238350 Electric demineralization apparatus |
| 12/01/2004 | EP1481027A1 Functionalized main chain polymers |
| 12/01/2004 | EP1480913A1 Nitrate removal |
| 12/01/2004 | CN1550454A High selectivity perchlorate removal resins and methods and systems using same |
| 11/25/2004 | WO2004101481A1 Process of removing organic halogen-containing compounds |
| 11/25/2004 | US20040234442 Zinc-modified composite polybasic salt, method of preparing the same and use thereof |
| 11/24/2004 | EP1479440A2 High Selectivity perchlorate Removal Resins and methods and systems using same |
| 11/24/2004 | EP1337470A4 Process for recovering onium hydroxides from solutions containing onium compounds |
| 11/24/2004 | CN1549791A Methods for making chlorous acid and chlorine dioxide |
| 11/18/2004 | WO2004098775A1 A resin and process for extracting non-ferrous metals |
| 11/18/2004 | CA2525272A1 A resin and process for extracting non-ferrous metals |
| 11/17/2004 | EP1476745A1 Chromatographic method for determining the molecular weight distribution of an anionic polysaccharide |
| 11/17/2004 | EP1064064B1 Removal of contaminants from biological products |
| 11/11/2004 | WO2004081073A3 Methods for selectively removing counterions from compounds and compounds derived from such methods |
| 11/11/2004 | WO2004078797A8 Macromolecular ketoaldehydes |
| 11/11/2004 | US20040225150 Methods for selectively removing counterions from compounds and compounds derived from such methods |
| 11/11/2004 | US20040224157 Multi-layered macromolecules and methods for their use |
| 11/10/2004 | CN1174924C Method for recovering fluorinated emulsifiers |
| 11/04/2004 | WO2004094672A1 Methods and devices for removal of organic molecules from biological mixtures |
| 11/04/2004 | WO2004094040A1 Chemical filter |
| 11/04/2004 | US20040219089 Method for producing an anion-exchanging mineral and use of said mineral |
| 11/04/2004 | CA2522284A1 Method and devices for removal of organic molecules from biological mixtures |
| 10/28/2004 | US20040212123 Adsorptive body usable for adsorption, concentration, separation and removal of impurities or the like contained in liquids or gases in the treatment of liquids such as water, various aqueous solutions or organic solvents or in the treatment of gas mixtures |
| 10/27/2004 | EP1105433B1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain |
| 10/27/2004 | CN1172843C Method for producing purified aqueous hydrogen peroxide solution |
| 10/21/2004 | US20040209258 Methods and devices for removal of organic molecules from biological mixtures using an anion exchange material that includes a polyoxyalkylene |
| 10/20/2004 | EP1468122A1 Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions |
| 10/20/2004 | EP1467957A1 Sulphided ion exchange resins |
| 10/20/2004 | CN1171776C Method for producing purified aqueous hydrogen peroxide solution |
| 10/19/2004 | US6806362 pH dependent ion exchange matrix and method of use in the isolation of nucleic acids |
| 10/14/2004 | WO2003102132A3 Non-affinity purification of proteins |
| 10/14/2004 | US20040203149 Composite materials comprising supported porous gels |
| 10/14/2004 | US20040202588 Passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower packed with an ion exchange resin, a chelate resin or adsorption resin to thereby purify the charged aqueous hydrogen peroxide solution |
| 10/13/2004 | EP1465716A1 Purification of impure materials using non-aqueous solvents |
| 10/13/2004 | EP1086152B1 Method for producing osmotically and mechanically stable gel-like anion exchangers |
| 10/12/2004 | US6803106 Layers are covalently bonded together and bonded to solid particulate substrates |
| 10/06/2004 | EP1463583A1 Method for producing pharmaceutical preparations |
| 10/06/2004 | EP1257348B1 Graft polymeric membranes and ion-exchange membranes formed therefrom |
| 10/05/2004 | US6800752 Chromatography material for separating nucleic acid in mixtures |
| 09/30/2004 | US20040192879 removing acidic impurity from solution by contacting solution comprising a macrocyclic oligoester and an acidic impurity with a basic ion exchange resin; ion exchange resins can be regenerated and reused |
| 09/30/2004 | US20040191516 Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
| 09/30/2004 | US20040191148 Forming hydrofluoric acid solution by contacting gas with water and passing through resin; regenerating column with ammonium hydroxide producing salt concentrate for disposal |
| 09/29/2004 | EP1462172A1 Electric demineralization apparatus |
| 09/29/2004 | EP1461155A2 Methods and devices for removal of organic molecules from biological mixtures using anion exchange |
| 09/29/2004 | CN1533303A Electric dimineralization apparatus |
| 09/23/2004 | WO2004081073A2 Methods for selectively removing counterions from compounds and compounds derived from such methods |
| 09/23/2004 | CA2518561A1 Methods for selectively removing counterions from compounds and compounds derived from such methods |
| 09/22/2004 | EP1458647A2 Method for treating circulating water in coagulation devices of paint installations |
| 09/16/2004 | WO2004078797A1 Macromolecular ketoaldehydes |