| 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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| 10/24/2002 | US20020153323 Forming a suspension of seed polymer in a continuous aqueous phase, allowing the seed polymer to swell in activated monomer mixture of vinylaromatic compound, divinylbenzene and methyl acrylate free radical initiator; polymerization, sulfonation |
| 10/23/2002 | EP1251144A1 Organic polymeric material, process for producing the same, and heavy-metal ion remover comprising the same |
| 10/23/2002 | EP1250920A1 Unloaded ion exchange resins for the extended release of active ingredients |
| 10/22/2002 | US6468804 Electrolysis ions force electrolytes away from chromatography effluent stream for detection |
| 10/22/2002 | US6468492 Method to prepare an aluminosilicate polymer |
| 10/17/2002 | WO2001073414A3 Membrane moisture measurement |
| 10/17/2002 | US20020150652 Chromatographic fractionation of vegetable material |
| 10/15/2002 | CA2081226C Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide |
| 10/10/2002 | US20020144712 Cleaning the vehicle with a water soluble cationic copolymer of given formula, then applying a non-photoactive nanoparticle solution to a rinsed vehicle; long lived sheeting/anti-spotting benefits |
| 10/08/2002 | CA2097728C Removal of heavy metals, especially lead, from aqueous systems containing competing ions utilizing amorphous tin and titanium silicates |
| 10/08/2002 | CA2084086C Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 10/03/2002 | US20020143109 Polymerizing a mixture comprising styrene divinylbenzene by suspension polymerization in presence of acrylonitrile, in aqueous phase, and sulfonating the resultant copolymer using sulfuric acid in the absence of any swelling agent |
| 10/02/2002 | EP1245276A2 Improved solid media |
| 10/02/2002 | CN1091749C Method for removing suspended impurities |
| 10/02/2002 | CN1091625C Removal of metal compounds from acid solution |
| 10/01/2002 | US6458187 Shaped body of zeolite, a process for its production and its use |
| 09/26/2002 | WO2002074688A1 Aqueous active alkali silicate solution having high molar ratio, method for production thereof and method for use thereof |
| 09/26/2002 | WO2002074448A2 Coatings for modifying hard surfaces and processes for applying the same |
| 09/26/2002 | WO2002053252A3 A method for mixed mode adsorption and mixed mode adsorbents |
| 09/25/2002 | EP1242816A2 Chromatography material and a method using same |
| 09/25/2002 | CN1371305A Method and installation for eliminating metal cations from liquid with polyazacloalkane resins grafted on support |
| 09/18/2002 | EP0909447B1 method for producing nickel or cobalt hexacyanoferrates |
| 09/18/2002 | CN1091028C Composite particulate material and process for preparing same |
| 09/12/2002 | WO2002070612A1 System and method for cleaning and/or treating vehicle surfaces |
| 09/12/2002 | WO2002070456A1 Benzene-1 2-diol mannich bases ligands polymers and method of selective metal ions removal |
| 09/12/2002 | WO2002070444A1 Process for producing bisphenol a |
| 09/12/2002 | WO2001046686A9 Chromatography material and a method using same |
| 09/12/2002 | CA2439634A1 Benzene-1 2-diol mannich bases ligands polymers and method of selective metal ions removal |
| 09/11/2002 | EP1237938A1 Large-pore chromatographic beads prepared by suspension polymerization |
| 09/11/2002 | EP1237820A1 Process and system for treatment of waste streams containing water-soluble polymers |
| 09/05/2002 | DE10133570C1 Purification of water, especially ground water, contaminated with lead alkyls, especially lead methyl and lead ethyl, comprises passing water through organic cation exchanger |
| 09/05/2002 | DE10106078A1 Lignin-based toxin-binding agents, e.g. lignins or ligninsulfonates, useful as food or feed additives or for treating plants or stored plant-based materials to eliminate harmful mycotoxins |
| 09/04/2002 | CN1367806A Fluid composition for producing and repairing ion exchange membranes |
| 09/04/2002 | CN1367757A Method for preparing highly stabilised hydroxylamine solutions |
| 09/04/2002 | CN1367716A Selective separation of iron by treatment with lon-exchanging resin comprising diphosphonic acid groups |
| 09/03/2002 | US6444475 Detecting analyte ions are discolored. in one aspect of the invention, gas by-products from the suppression of the mobile phase are removed prior to detecting analyte ions at a detector. |
| 08/29/2002 | WO2002066381A2 Method of removing hardness from water by using macrocrystalline aggregates |
| 08/29/2002 | US20020120135 Specifically monosaccharides rhamnose, arabinose, xylose and mixtures thereof from solution in multistep process using a weakly acid cation exchange resin for chromatographic separation |
| 08/29/2002 | DE10107758A1 Verwendung sulfonierter Perlpolymerisate aus Styrol, Vinylpyridinen und Vernetzern Using sulfonated polymer beads of styrene, vinyl pyridines and crosslinkers |
| 08/28/2002 | EP1027158A4 Ion exchange |
| 08/28/2002 | EP0912240B1 Zeolite containing cation exchangers, methods for preparation, and use |
| 08/28/2002 | CN1089616C On-site generation of ultra-high-purity hydrogen peroxide for semiconductor processing |
| 08/27/2002 | US6440381 Continuous production of silica via ion exchange |
| 08/22/2002 | WO2002005959A3 Adsorption method and ligands |
| 08/20/2002 | US6436311 Amines on ion exchanger resin supports, packed in cartridges used for chemical analysis of aldehydes; high sensitivity, accuracy and storage stability |
| 08/15/2002 | WO2002062472A1 Method for producing gel-type cation exchangers |
| 08/15/2002 | US20020108640 Process for cleaning a surface |
| 08/14/2002 | EP1231231A1 Material having separating function |
| 08/14/2002 | EP1230027A1 Multicomponent ion exchange resins |
| 08/14/2002 | EP1230026A1 Ion exchange resins and methods of making the same |
| 08/13/2002 | CA2270560C Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 08/08/2002 | WO2002060998A2 Rinse aid surface coating compositions for modifying dishware surfaces |
| 08/08/2002 | DE10105103A1 Verfahren zur Herstellung von gelförmigen Kationenaustauschern Process for the preparation of gel-type cation exchangers |
| 08/07/2002 | EP1227866A1 Process for the fractionation of sugar beet pulp |
| 08/07/2002 | CN1088604C Process for purification of virtually anhydrous organic liquids |
| 08/06/2002 | US6429171 Sulfonating raw peat with heated sulfuric acid, mixing with a binder, extruding then baking resulting pellets; ion exchange and organic retention; inexpensive, natural sorbent for toxic metals, organics, and phosphorus from wastewater |
| 08/01/2002 | US20020103265 Cation exchanger, process for producing same, and its use |
| 08/01/2002 | US20020102359 System and method for cleaning and/or treating vehicles and the surfaces of other objects |
| 08/01/2002 | US20020100729 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis |
| 07/31/2002 | EP1226869A2 Cation exchanger, process for producing same, and its use |
| 07/30/2002 | US6426007 Removal of soluble metals in waste water from aqueous cleaning and etching processes |
| 07/30/2002 | CA2265728C Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 07/25/2002 | WO2002040405A3 Treatment of nickel-containing waste water on phosphating |
| 07/25/2002 | WO2001096511A3 Coating compositions for modifying hard surfaces |
| 07/24/2002 | EP1224029A1 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
| 07/23/2002 | US6423666 Large-pore chromatographic beads prepared by suspension polymerization |
| 07/18/2002 | WO2002055587A1 Organopolysiloxanes containing phosphonic groups, methods for the production and use thereof |
| 07/17/2002 | EP1042513B1 Method of producing xylose |
| 07/17/2002 | CN1359313A Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acid |
| 07/11/2002 | WO2002053288A2 A method for the manufacture of compositions containing low concentrations of salts |
| 07/11/2002 | WO2002053252A2 A method for mixed mode adsorption and mixed mode adsorbents |
| 07/11/2002 | US20020088754 Chromatographic separation process |
| 07/11/2002 | CA2431662A1 A method for the manufacture of compositions containing low concentrations of salts |
| 07/04/2002 | WO2002028529A3 Ion exchanging resins for gold cyanide extraction |
| 07/04/2002 | US20020085972 Method to prepare an aluminosilicate polymer |
| 07/03/2002 | EP1218104A1 Method and installation for eliminating metal cations from a liquid with polyazacycloalkane resins grafted on a support |
| 07/03/2002 | EP1218079A1 Chromatographic fractionation of vegetable material |
| 07/02/2002 | US6413493 Sodium aluminate is mixed with sodium silicate in the presence of a slurry of p zeolite to form a gel, aging the gel, stirring to maintain in suspension, separating the product, washing and drying |
| 06/26/2002 | EP0697904B1 Method for fractionating sulphite cooking liquor |
| 06/25/2002 | US6410656 Styrenesulfonic acid polymer |
| 06/20/2002 | WO2002048043A2 Porous static water softener containing hybrid zeolite-silicate composition |
| 06/20/2002 | WO2002048040A2 Macroscopic aggregates of microcrystalline zeolites for static water softening applications |
| 06/20/2002 | WO2002000325A3 Filter sheet and process for purifying photoresist composition employing the filter sheet |
| 06/20/2002 | US20020077245 As ion exchangers |
| 06/20/2002 | US20020076374 Process for producing p zeolite |
| 06/20/2002 | US20020074293 Porous static water softener containing hybrid zeolite-silicate composition |
| 06/20/2002 | US20020074291 Method of static water softening using zeolites of novel morphology |
| 06/19/2002 | CN1354177A System for extracting tetradoxin with high yield |
| 06/13/2002 | WO2002046294A1 Method for producing dimensionally stable, spherical carbohydrate particles and the use thereof |
| 06/13/2002 | WO2002046106A1 Device for the precipitation of lime from water |
| 06/13/2002 | WO2002045855A1 Method of storing aminothiol-modified sulfonic acid type cation-exchange resin |
| 06/13/2002 | WO2002028196A3 Modified corn steep liquor product |
| 06/13/2002 | US20020072546 Adding wetting agents of aqueous phase or water-soluble initiators to styrene/divinylbenzene copolymerization system after gel point or treating with surfactants after filtration or by washing, separation and drying |
| 06/13/2002 | US20020072545 Solublizing antimicrobial agent in organic phase of liquid monomer mixture; suspension polymerizing liquid monomer mixture; precipitating and encapsulating antimicrobial agent within micropores of resin |
| 06/13/2002 | US20020070171 Adding selective capturing agent comprising cyclic compound capable of forming complex with metal to an aqueous solution; bringing solution into contact with an ion exchange solid phase so as to transport desired metals to solid phase |
| 06/13/2002 | US20020070168 As packing materials for liquid chromatography; efficiency |
| 06/13/2002 | DE10150998A1 Verfahren zur Herstellung von formstabilen, sphärischen Kohlenhydratpartikeln sowie ihre Verwendung A process for the production of dimensionally stable, spherical particles and to their use carbohydrate |
| 06/13/2002 | DE10061544A1 Soft, monodisperse, spherical polymer beads, used e.g. for coating, film spacer, catalyst carrier, standard substance or as starting material for chromatographic resin or ion exchanger, are produced by seed-feed process |
| 06/11/2002 | US6403177 Use of tetraphenylborate for extraction of ammonium ions and amines from water |
| 06/06/2002 | WO2002018464A3 Functionalized polymeric media for separation of analytes |