| 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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| 07/05/2001 | DE19962197A1 Absorber, vorzugsweise Stoff zur Aufnahme und/oder zum Austausch von Ionen Absorber, preferably material for receiving and / or exchange of ions |
| 07/05/2001 | DE19961597A1 Verfahren zur Modifizierung ionenaustauschbarer Stoffe A method for modifying ion-exchangeable substances |
| 07/04/2001 | EP1112959A1 Method to prepare an aluminosilicate polymer |
| 07/04/2001 | EP1112389A1 Process for recovery of gold and/or silver |
| 07/04/2001 | EP0977710B1 Actinide-containing molecular sieves |
| 07/04/2001 | CN1302224A Ion separation using surface-treated xerogel |
| 07/04/2001 | CN1067974C Recovery of acetic acid from dilute aqueous streams formed during carbonylation process |
| 06/28/2001 | WO2001046686A2 Chromatography material and a method using same |
| 06/28/2001 | WO2001046087A2 Fertilizer, ion exchanger and method for the production thereof |
| 06/28/2001 | DE19962935A1 Verfahren zur Herstellung von vernetzten Ionenaustauschern auf Basis von ungesättigten, aliphatischen Nitrilen A process for preparing crosslinked ion exchange resins based on unsaturated, aliphatic nitriles |
| 06/27/2001 | EP1110982A1 Process for the production of monodispersed crosslinked polymer pearls/beads |
| 06/27/2001 | EP1110608A2 Method for preparing crosslinked ion exchangers from unsaturated aliphatic nitriles |
| 06/27/2001 | EP1110607A2 Modification process of a ion exchangable material |
| 06/26/2001 | US6251996 Interpenetrating polymer network |
| 06/20/2001 | EP1108471A2 Method for separating metal ions from a solution |
| 06/14/2001 | WO2001041927A1 Antimicrobial synthetic ion exchange resins |
| 06/13/2001 | EP1106602A1 Simulated moving bed chromatographic purification of amino acids |
| 06/12/2001 | US6245389 Using plating solution of nickel hypophosphite |
| 06/05/2001 | US6241893 Water filtration media, apparatus and processes |
| 05/31/2001 | US20010002408 A disproportion reaction between sulfinate-containing polysulfones, e.g., polyethers, polythioethers, and a di- or polyhalo-containing alkane or aromatic compound; membranes for fuel and electric cells; nonhydrolyzing; stability |
| 05/30/2001 | CN1297422A Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 05/29/2001 | US6239274 Method of producing xylose |
| 05/25/2001 | WO2001036338A1 Process and system for treatment of waste streams containing water-soluble polymers |
| 05/24/2001 | US20010001653 Hydrolyzing the alcoholates of one or more divalent and one or more trivalent metals with water, and the corresponding metal oxides can be produced by calcination |
| 05/23/2001 | EP1102063A1 Scavenging material for carbonyl compound in gas |
| 05/22/2001 | US6235198 Process for purification of dimethyl sulphoxide (DMSO) |
| 05/22/2001 | US6235197 Electrochemically regenerated ion neutralization and concentration devices and systems |
| 05/16/2001 | EP1099479A2 A method of chromatographically detecting sample ions by regenerating a stationary phase |
| 05/16/2001 | EP1098706A1 METHOD AND DEVICE FOR CONVERTING A PREFERABLY WEAK ACID ION-EXCHANGE MATERIAL FROM THE H FORM INTO THE Ca FORM |
| 05/16/2001 | EP0984897B1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in the presence of ion acetate |
| 05/15/2001 | US6232520 Absorbent polymer compositions having high sorption capacities under an applied pressure |
| 05/15/2001 | US6232353 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 05/09/2001 | EP0979131A4 Large capacity acid or base generator and method of use |
| 05/08/2001 | US6228896 Copolymerizing divinylbenzene and styrene, sulfonating with concentrated sulfuric acid without addition of inert chlorine-containing swelling agents |
| 05/08/2001 | CA2043692C Stabilized synthetic zeolite and a process for the preparation thereof |
| 05/03/2001 | WO2001030496A1 Multicomponent ion exchange resins |
| 05/03/2001 | WO2001030495A1 Ion exchange resins and methods of making the same |
| 05/02/2001 | EP1095905A1 Process for purification of aqueous solutions of hydrogen peroxide |
| 05/02/2001 | EP1094899A1 Method for separation on cation exchangers |
| 05/01/2001 | US6225498 Removing high molecular weight organic iodides from non-aqueous organic media by contacting with silver or mercury exchanged cationic ion exchange substrate at temperature greater than 50 degrees celsius |
| 05/01/2001 | US6225129 E.g. for chromatographic analysis of anions. |
| 05/01/2001 | US6224683 Process for demineralizing a sugar solution |
| 04/26/2001 | WO2001029105A1 Material having separating function |
| 04/26/2001 | WO2001029104A1 Organic polymeric material, process for producing the same, and heavy-metal ion remover comprising the same |
| 04/26/2001 | WO2000021914A8 Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydroxypropanal solution |
| 04/26/2001 | US20010000401 Using a chromatographic simulated moving bed system in which liquid flow is effected in a single direction in a system comprising two or more chromatographic partial packing material beds; produces sucrose and betaine |
| 04/24/2001 | US6221923 Cross-linking of modified engineering thermoplastics |
| 04/18/2001 | EP1092977A1 Ion chromatography apparatus and method for removing gas prior to sample detection |
| 04/18/2001 | EP1091981A1 Novel ion exchange porous resins for solid phase extraction and chromatography |
| 04/17/2001 | US6218329 Process for forming alumino-silicate derivatives |
| 04/17/2001 | US6218327 Mixed cation adsorbent having substantially uniform cation distribution |
| 04/12/2001 | WO2001025285A1 Large-pore chromatographic beads prepared by suspension polymerization |
| 04/10/2001 | US6214234 Using aqueous solution of hexacyanoferrate salt |
| 04/10/2001 | US6214225 Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic |
| 04/04/2001 | EP1062031A4 Ion separation using a surface-treated xerogel |
| 04/03/2001 | US6211408 Method of removing iodides from non-aqueous organic media utilizing silver or mercury exchanged macroporous organofunctional polysiloxane resins |
| 04/03/2001 | US6210078 Methods for the in situ removal of a contaminant from soil |
| 03/29/2001 | WO2001022077A1 Method of separating hemoglobin a2 |
| 03/29/2001 | WO2001021272A1 Process for the fractionation of sugar beet pulp |
| 03/29/2001 | WO2001021271A1 Chromatographic fractionation of vegetable material |
| 03/21/2001 | EP1085527A2 Treatment process for removing radioactive thorium from solvent extraction liquid effluent |
| 03/21/2001 | EP1084150A1 Carboxylic cationites and methods of manufacture |
| 03/21/2001 | CN1287887A Prepn. art and application of monodisperse ion exchange agent contg. chelate functional group |
| 03/20/2001 | US6203708 For removing soluble electrolytes from an ionising solvent |
| 03/13/2001 | US6200919 Alumino-silicate derivatives |
| 03/13/2001 | US6200783 Hydrogenation of a saccharide mixture; chromatography separation |
| 03/13/2001 | US6200479 Contacting polymer with strong acid cation exchange resin scavenges base from polymer solution while introducing liberated strong acid, contacting polymer solution with base anion exchange resin scavenges liberated acid from solution |
| 03/08/2001 | WO2001015806A1 Method and installation for eliminating metal cations from a liquid with polyazacycloalkane resins grafted on a support |
| 03/08/2001 | DE19942347A1 Electrochemically-regeneratable ion-exchanger for use in water purification comprises a conductive electrode coated with a conductive polymer |
| 03/07/2001 | EP1081717A1 Method for treating radioactive waste |
| 03/07/2001 | EP1081492A1 Packing material for chromatography having novel characteristic and method for isolation of substance using the same |
| 03/07/2001 | EP1080473A1 Antimony silicate sorbent for removal of metal ions |
| 03/07/2001 | CN1286143A Process for preparing single dispersivity anionite |
| 03/06/2001 | US6197997 Loaded ion exchange resins, their preparation and uses |
| 03/01/2001 | DE19954393A1 Verfahren zur Herstellung von monodispersen Anionenaustauschern A process for producing monodisperse anion exchangers |
| 03/01/2001 | DE19949465A1 Perlpolymerisate aus Styrol, Phenolderivaten und Vernetzern und ihre Hydrolyse- und Sulfonierungsprodukte Bead polymers of styrene, phenol derivatives and crosslinking agents and their hydrolysis and sulfonation |
| 03/01/2001 | DE19949464A1 Sulfonierte Perlpolymerisate aus Styrol, Vinylpyridinen und Vernetzern Sulfonated polymer beads of styrene, vinyl pyridines and crosslinkers |
| 02/28/2001 | EP1078941A1 Sulfonated beads of styrene, vinyl pyridine and crosslinker |
| 02/28/2001 | EP1078940A1 Beads of styrene, phenol derivatives and crosslinker, products of their hydrolysis and sulfonation |
| 02/28/2001 | EP1078885A1 Material for introducing physiologically-essential inorganic elements into drinkable water |
| 02/28/2001 | EP1078690A2 Method for producing monodispersed ion exchangers with chelating groups and the use thereof |
| 02/28/2001 | EP1078688A2 Method for producing monodispersed anion exchangers |
| 02/28/2001 | EP0938376B1 Adsorbent material selective with respect to metal pollutants and use thereof |
| 02/27/2001 | CA2316672A1 Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof |
| 02/27/2001 | CA2316667A1 Process for preparing monodisperse anion exchangers |
| 02/22/2001 | WO2001012318A1 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
| 02/22/2001 | WO2001012317A1 Binding hydrated aluminosilicates |
| 02/21/2001 | EP0946408B1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 02/20/2001 | US6190637 Method for preparing [F-18-]fluoride ion |
| 02/15/2001 | WO2001010777A1 Method for preparing highly stabilised hydroxylamine solutions |
| 02/15/2001 | WO2000069872A3 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 02/15/2001 | CA2380826A1 Method for preparing highly stabilised hydroxylamine solutions |
| 02/14/2001 | EP0938356A4 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 02/14/2001 | CN1283792A Alkylether type reverse filler for efficient liquid-phase chromatography and its preparing process |
| 02/14/2001 | CN1283525A Ester-type efficient liquid-phase chromatographic reverse filler and its preparing process |
| 02/13/2001 | US6187204 Method for the fractionation of molasses |
| 02/13/2001 | US6187189 Process for the preparation of an ultrapure solution of hydrogen peroxide by ion exchange with recycling |
| 02/08/2001 | DE19936594A1 Verfahren zur Herstellung von hochreinen stabilisierten Hydroxylaminlösungen A process for producing high-purity stabilized hydroxylamine |
| 02/07/2001 | EP1074837A1 Suppressor for continuous electrochemically suppressed ion chromatography and method |
| 02/06/2001 | US6183638 Plant for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios |