| 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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| 02/23/2005 | EP1507921A2 Rapid-action agent for preparing cold and hot beverages from drinking water |
| 02/23/2005 | EP1237820B1 Process and system for treatment of waste streams containing water-soluble polymers |
| 02/22/2005 | CA2176560C Method for making reinforced ion exchange membranes |
| 02/17/2005 | WO2005014160A1 Bioagent air filtration systems |
| 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 | US20050035057 Bactericides; fungicides; ion exchangers; filtration |
| 02/17/2005 | US20050035045 In-tank time release ion exchange resin containing a fuel additive |
| 02/17/2005 | DE10197269T5 Ein System zum Extrahieren von Tetrodotoxin A system for extracting tetrodotoxin |
| 02/17/2005 | CA2513469A1 Bioagent air filtration systems |
| 02/16/2005 | EP1506994A1 In-tank time release ion exchange resin containing a fuel additive |
| 02/15/2005 | US6855445 Device for treating a fuel/coolant mixture |
| 02/13/2005 | CA2473770A1 In-tank time release ion exchange resin containing a fuel additive |
| 02/10/2005 | WO2005012194A1 Charge-based water filtration systems |
| 02/10/2005 | US20050032922 Liquid chromatography; solid phase extraction using polyvinylidene polymer beads; adsorption, ion exchanging |
| 02/10/2005 | CA2513461A1 Charge-based water filtration systems |
| 02/09/2005 | CN1188440C Functionalized polymeric media for separation of analytes |
| 02/08/2005 | US6852802 Heavy metal ion scavenger having more excellent scavenging performance than previously. In order to attain this object, organic polymer materials of the present invention are characterized in that they have a polymer side chain derived |
| 02/08/2005 | US6852296 Production of ultrapure bismuth-213 for use in therapeutic nuclear medicine |
| 02/08/2005 | US6852230 Method for the manufacture of compositions containing low concentrations of salts |
| 02/03/2005 | WO2005009578A2 Method for the recovery of acids from hydrometallurgy process solutions |
| 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 |
| 02/02/2005 | CN1187356C System for extracting tetradoxin with high yield |
| 01/25/2005 | US6846512 System and method for cleaning and/or treating vehicles and the surfaces of other objects |
| 01/25/2005 | US6846410 Comprises ethylenediamine-N,N-tetra(methylenephosphonic) acid; for ion exchange/chromatography; improved biocompability |
| 01/19/2005 | EP1497358A1 Manufacture of polysaccharide beads |
| 01/19/2005 | EP1007178B1 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography |
| 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 | CN1562486A Method for preparing full fluorinion exchange resin |
| 01/12/2005 | CN1562485A Preparation and application of ion exchange membrane of electric active nickel ferricyanide |
| 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 |
| 01/06/2005 | US20050000388 Aqueous emulsification in presence of ammonium hydroxide; regulating electrolyte content using ion exchange resin or membrane |
| 01/05/2005 | DE10327110A1 Arsenadsorbierende Ionenaustauscher Arsenadsorbierende ion exchangers |
| 01/04/2005 | CA2199497C Water treatment process |
| 12/30/2004 | US20040266896 Alkali-stable hydrophilic sorbents for ion-exchange chromatography |
| 12/30/2004 | US20040262216 Negatively charged membrane |
| 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 |
| 12/30/2004 | DE10327111A1 Vorrichtung zum Aufarbeiten von Wasser mittels Eisendotierter Ionenaustauscher Apparatus for working up water using iron-doped ion exchangers |
| 12/29/2004 | EP1490521A1 Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof |
| 12/29/2004 | CN1558917A Preparation method of solvent-free water-dispersible hydroxypropyl methly cellulose phthalate nanoparticle |
| 12/29/2004 | CN1558871A Method for recovering lithium chloride from brine and installation for carrying out said method |
| 12/23/2004 | WO2004110624A1 Device for treating water using iron-doped iron exchangers |
| 12/23/2004 | WO2004110623A1 Arsenic-adsorbing ion exchanger |
| 12/23/2004 | WO2004110619A1 Process for preparing porous hybrid comprising zeolite and chitosan and porous hybrid prepared thereby |
| 12/23/2004 | US20040256324 Adsorption method and ligands |
| 12/23/2004 | CA2529072A1 Device for treating water using iron-doped ion exchangers |
| 12/16/2004 | US20040251207 Method and apparatus for deionizing water |
| 12/15/2004 | EP1486512A1 Process for the alkaline saponification of crosslinked pearl polymerisates of acrylonitrile |
| 12/15/2004 | CN1555285A Automated radionuclide separation system and method |
| 12/09/2004 | WO2003085198A3 Rapid-action agent for preparing cold and hot beverages from drinking water |
| 12/09/2004 | US20040248313 for analysis of formaldehyde for example; making a sampling tube by contacting a cation exchanger packed in a tube with a hydrophilic solvent and then with a O-(haloalkoxybenzyl)hydroxylamine compound to support the compound, washing |
| 12/09/2004 | DE10322441A1 Alkaline saponification of crosslinked acrylonitrile pearl polymers to give weakly acidic ion-exchanger involves two-stage reaction at different temperatures |
| 12/08/2004 | CN1553828A Generation of ion exchanger media |
| 12/07/2004 | US6829319 Condensate demineralization |
| 12/07/2004 | US6827859 A clinoptilolite modified in an alkaline slurry as an ion exchange material |
| 12/07/2004 | US6827858 Method for separating alkali metal ions from alkoxylates |
| 12/02/2004 | WO2004103545A2 Regenerant reuse |
| 12/02/2004 | US20040238446 Generation of ion exchanger media |
| 12/02/2004 | US20040238350 Electric demineralization apparatus |
| 12/01/2004 | CN1550508A Basic saponifying method for crosslinked acrylonitrile bead polymer |
| 11/25/2004 | WO2004101435A1 Functional transition metal silicates (ftms) |
| 11/25/2004 | CA2538160A1 Novel functional transition metal silicates (ftms) |
| 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 |
| 11/19/2004 | CA2467314A1 Process for the alkaline saponification of crosslinked acrylonitrile bead polymers |
| 11/18/2004 | WO2004098775A1 A resin and process for extracting non-ferrous metals |
| 11/18/2004 | DE10304322A1 Production of enclosed zeolite layers for use in e.g. catalysis or separation membranes, comprises first seed crystallization on carrier followed by further crystallization using different synthesis solution or gel |
| 11/18/2004 | CA2525272A1 A resin and process for extracting non-ferrous metals |
| 11/17/2004 | EP1355857A4 Macroporous foams comprising microporous zeolite or zeotype material and preparation thereof by using polymeric templates having sponge structure |
| 11/17/2004 | CN1547555A Production of ultrapure bismuth-213 for use in therapeutic nuclear medicine |
| 11/17/2004 | CN1547499A Method for removing heavy metals from heavy metal-containing media using a lyocell molded article, and cellulosic molded article with adsorbed heavy metals, and use thereof |
| 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 | US20040222159 a treatment system placed in a drainage space through which storm water is designed to flow; for removing heavy metals, hydrocarbons and other volatile organic compounds |
| 11/11/2004 | US20040221881 Sprayer and kit including a sprayer |
| 11/10/2004 | EP1474234A1 Enantioselective cation-exchange materials |
| 11/09/2004 | US6814871 Microporous cation exchange composition and an anion exchange composition, ziconium/titanium metallate and ziconia respectively |
| 11/04/2004 | WO2004094346A2 Purification of solvents used for the purification of alkylene oxide |
| 11/04/2004 | WO2004094040A1 Chemical filter |
| 11/04/2004 | US20040220071 using an acrylonitrile-butadiene-styrene terpolymer |
| 11/03/2004 | EP1473075A2 Negatively charged membrane |
| 11/03/2004 | EP1194238B1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 10/28/2004 | WO2004092076A1 Microporous filter media with intrinsic safety feature |
| 10/28/2004 | US20040213718 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 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 |
| 10/28/2004 | US20040211658 Purification of solvents used for the purification of alkylene oxide |
| 10/28/2004 | CA2752109A1 Microporous filter media with intrinsic safety feature |
| 10/27/2004 | EP1470083A1 Microporous filter media, filtration systems containing same, and methods of making and using |
| 10/27/2004 | CN1172843C Method for producing purified aqueous hydrogen peroxide solution |
| 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 |
| 10/06/2004 | EP1463583A1 Method for producing pharmaceutical preparations |