| 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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| 01/16/2002 | EP1172144A2 Sulphonation process |
| 01/10/2002 | US20020004561 Containing hydrophobic and ion exchanging groups |
| 01/09/2002 | EP1012115B1 Adsorbent for metal ions and method of making and using |
| 01/09/2002 | CN1330566A Polymer composition, membrane containing said composition, method for the production and use thereof |
| 01/09/2002 | CN1330036A Method for producing purified aqueous hydrogen peroxide solution |
| 01/09/2002 | CN1330035A Method for producing purified aqueous hydrogen peroxide solution |
| 01/09/2002 | CN1077454C Activating carbon-fluorine apatite to remove toxic metal ions from waste water |
| 01/08/2002 | US6337025 Filter canister for use within a storm water sewer system |
| 01/08/2002 | CA2126584C Process for the preparation of a polymeric ion-exchange material with sulfonic acid groups, and material obtained |
| 01/03/2002 | WO2002000325A2 Filter sheet and process for purifying photoresist composition employing the filter sheet |
| 01/02/2002 | EP1167555A1 Chromatographic interseparation of platinum group metals |
| 01/02/2002 | EP1167290A2 Process for producing purified aqueous hydrogen peroxide solution and apparatus |
| 01/02/2002 | EP1167289A2 Process for producing a purified aqueous hydrogen peroxide solution |
| 01/02/2002 | EP1167288A2 Process for producing a purified aqueous hydrogen peroxide solution |
| 01/02/2002 | CN1328956A Method and equipment for preparation of purified hydrogen peroxide aqueous solution |
| 12/27/2001 | WO2001098548A2 Chromatographic interseparation of platinum group metals |
| 12/27/2001 | WO2001098224A1 Carbon fiber ion exchanger |
| 12/27/2001 | WO2001097973A1 Polymeric ion exchange fibers |
| 12/25/2001 | US6332985 Ion exchanging a solution to remove toxins from bodies using silicon, germanium, titanium or zirconium oxides |
| 12/20/2001 | WO2001096511A2 Coating compositions for modifying hard surfaces |
| 12/20/2001 | US20010052496 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 12/19/2001 | EP1163050A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for its preparation |
| 12/19/2001 | EP1163044A1 Negatively charged membrane |
| 12/19/2001 | EP0666866B1 Method of isolating biomolecules by ion exchange |
| 12/19/2001 | CN1327440A Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydropropanal solution |
| 12/18/2001 | US6331249 Apparatus and method for wastewater nutrient recovery |
| 12/13/2001 | WO2001094014A1 Method of preparing fixed bed of acid cation-exchange resin |
| 12/13/2001 | US20010051664 Sulfonation of styrene/ divinylbenzene copolymers by means of sulphuric acid, in presence of wetting agents or water-soluble initiators or surfactants in the polymerization stage or after the filtration, or washing the ion exchanger |
| 12/12/2001 | EP1161458A1 Malatyl polysaccharides, their production and their use |
| 12/12/2001 | EP0823866B1 Process for separating zinc ions from autodeposition compositions |
| 12/06/2001 | WO2001046686A3 Chromatography material and a method using same |
| 12/05/2001 | EP1159995A2 Packing material for solid phase extraction and solid phase extraction method |
| 12/05/2001 | EP0970017B1 Novel hybrid zeolite-silica compositions |
| 12/04/2001 | US6326508 Adding water; distillation |
| 11/27/2001 | US6322695 Superior wetting and performance; selectivity poly(divinylbenzene-co-n-vinylpyrrolidone) optionally sulfonated |
| 11/22/2001 | WO2001088016A1 Method for separating alkali metal ions from alkoxylates |
| 11/22/2001 | DE10024313A1 Removal of alkali metal ions (production catalyst residues) from alkoxylates uses cation exchangers to give products sufficiently pure and combustible for use as fuel additives |
| 11/15/2001 | WO2001085808A1 Stabilisation of polystyrenesulphonic acids with transition metal ions |
| 11/15/2001 | US20010041751 Mixture containing nonionic dispersant and free-radical catalyst |
| 11/15/2001 | DE10022496A1 Styrenesulfonate polymers useful as cation exchangers, have sulfonic acid groups neutralized with transition metal cations |
| 11/14/2001 | EP1153655A2 Mixed-cation adsorbent production with single pass ion exchange |
| 11/14/2001 | CN1322147A Mass transfer composite membrane for fuel cell power plant |
| 11/14/2001 | CN1321545A Process for preparing monodisperse cation exchanger gel |
| 11/13/2001 | US6316271 Flowing aqueous stream through a flowthrough ion exchange bed while applying electrical potential; mixing acid or base and aqueous sample stream to form a mixture, detecting a characteristic of the sample in stream |
| 11/13/2001 | US6316270 Flowing a first aqueous stream through cation exchange bed while applying electrical potential; flowing liquid sample stream and eluent through chromatographic separator; flowing effluent past a detector |
| 11/13/2001 | US6315954 Acid or base generator and analyzer |
| 11/08/2001 | WO2001083377A1 Skin-care liquid preparing unit |
| 11/08/2001 | DE10020437A1 Method and equipment for inhibiting scale formation and corrosion in system conveying or in contact with liquid, e.g. drinking water, involves increasing molar fraction of magnesium (compound) with respect to other salts causing hardness |
| 11/07/2001 | CN1320647A Process for preparing macroreticular weakly acidic cationic exchange resin of acrylic series |
| 11/01/2001 | US20010036968 Process for preparing monodisperse cation-exchanger gels |
| 10/31/2001 | EP1149630A2 Method for producing monodispersed gel-like cation exchangers |
| 10/31/2001 | DE10020534A1 Verfahren zur Herstellung von monodispersen gelförmigen Kationenaustauschern A process for producing monodisperse gelatinous cation exchangers |
| 10/30/2001 | US6310199 By adsorbing to the target nucleic acid at an adsorption ph and releasing the target nucleic acid at a desorption ph which is higher than the adsorption ph; magnetic silia particles; glycidyl ligands; amino acid ligands; spacers |
| 10/25/2001 | WO2000050160A9 Negatively charged membrane |
| 10/25/2001 | US20010033931 Inorganic portion such as silica and a polysilsesquioxane-polysilicate copolymer; enhanced pore geometry, and may also be surface modified, for more efficient chromatographic separations |
| 10/24/2001 | EP1011861B1 Process for the preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin |
| 10/18/2001 | US20010030158 Supplying feedstock; supplying desorbent; withdrawal; circulation |
| 10/17/2001 | EP1146333A1 Method of separating hemoglobin a2 |
| 10/17/2001 | EP1144100A2 Polymer composition, membrane containing said composition, method for the production and use thereof |
| 10/11/2001 | WO2001074489A1 Method for preparing acidic cation exchange resin fixed bed for producing bisphenols |
| 10/11/2001 | WO2001074488A1 Method for preparing acidic cation exchange resin fixed bed for producing bisphenols |
| 10/11/2001 | WO2001074420A1 Adsorbents for high mobility group proteins and column for purifying body fluid |
| 10/09/2001 | CA2223387C Method of manufacture of molecular sieves |
| 10/04/2001 | WO2001073414A2 Membrane moisture measurement |
| 10/04/2001 | WO2001072422A2 Method of removing organic iodides from organic media |
| 10/04/2001 | EP1137466A1 A chromatography method and a column material useful in said method |
| 10/04/2001 | CA2404287A1 Membrane moisture measurement |
| 10/03/2001 | CN1072230C Process for regenerating aqueous process fluid from amine oxide process |
| 09/26/2001 | CN1071750C Process for selective separation of morpholine |
| 09/20/2001 | WO2001068240A2 Composite matrices with interstitial polymer networks |
| 09/20/2001 | CA2403275A1 Composite matrices with interstitial polymer networks |
| 09/19/2001 | CN1313145A Regenerating agent for sodium or ammonium ionic resin |
| 09/18/2001 | US6290854 Contacting condensate water containing colloidal iron by contacting with sulfonated ion exchange resin comprising copolymer beads having interpenetrating polymer network of multiple polymer components |
| 09/13/2001 | US20010021413 Binding to ligands |
| 09/12/2001 | EP1132134A2 Method of controlling chromatographic separation process |
| 08/29/2001 | EP0681615B1 A method for the fractionation of molasses |
| 08/28/2001 | US6281400 Process for preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin |
| 08/28/2001 | US6280693 For extracting lithium values from brines which contain lithium |
| 08/28/2001 | CA2217436C Ion exchange and regeneration process for separation and removal of iron (iii) ions from aqueous sulfuric acid metal ion-containing solutions |
| 08/16/2001 | US20010014650 Adsorption, desorption of targeted nucleic acids |
| 08/16/2001 | DE10005681A1 Verfahren und Vorrichtung zur Dekontamination metallhaltiger und/oder radioaktiv belasteter Wässer Method and apparatus for decontamination of metal and / or radioactively contaminated waters |
| 08/09/2001 | WO2001057049A1 Method and device for decontaminating water which contains metal and/or is radioactively contaminated |
| 08/08/2001 | EP1121340A1 Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydroxypropanal solution |
| 08/08/2001 | EP1121188A1 Mass transfer composite membrane for a fuel cell power plant |
| 08/08/2001 | EP0932582B1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange resin |
| 08/08/2001 | CN1307543A Ion exchange resin, cartridge using it and humidifier |
| 08/07/2001 | US6270675 Method for using a weak acid resin to remove dissolved metals from an aqueous-based stream |
| 07/31/2001 | US6268307 Titania bound sodium titanate ion exchanger |
| 07/26/2001 | US20010009928 Preparing monodisperse monomer droplets in aqueous suspension from a monomer mixture 1 comprising styrene, divinylbenzene, the free radical generator, microcapsulating monomer droplets, polymerizing, adding monomer mixture 2, penetrating |
| 07/25/2001 | EP1117466A1 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 07/25/2001 | EP0932646B1 Compositions containing particles of highly fluorinated ion exchange polymer |
| 07/24/2001 | US6264841 Method for treating contaminated liquids |
| 07/18/2001 | EP1115769A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 07/12/2001 | WO2001049602A1 Purifying aqueous hydrogen peroxide solutions on ion-exchanging resins |
| 07/12/2001 | WO2001049389A1 Method and apparatus for metal removal by ion exchange |
| 07/12/2001 | DE19962577A1 Chromatographiematerial und Verfahren unter Verwendung desselben The same chromatographic and methods using |
| 07/11/2001 | CN1303318A Shaped body of zeolite, process for its production and its use |
| 07/10/2001 | US6258985 Method for removing metal ions from cresol mixtures |
| 07/05/2001 | US20010006985 Mixed-bed type sugar solution refining system and regeneration method for such apparatus |
| 07/05/2001 | US20010006159 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 |