| 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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| 10/05/2004 | US6800752 Chromatography material for separating nucleic acid in mixtures |
| 09/30/2004 | WO2004082799A1 Filter media with enhanced microbiological interception capability |
| 09/30/2004 | US20040191516 Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
| 09/29/2004 | EP1462172A1 Electric demineralization apparatus |
| 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 | US20040182791 Following removal of insoluble components possibly present, the metals and/or radionuclides present in cationic form are adsorbed on a phosphorylated bioadsorber, and the metals and/or radionuclides present in anionic form are removed as neutral elements by electrochemical deposition on a contact element |
| 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 |
| 09/16/2004 | US20040178385 Method for preparing a composite solid material based on hexacyanoferrates, and method for fixing mineral pollutants using same |
| 09/16/2004 | US20040178141 Composite solid material fixing mineral pollutants, method for preaparing same and method for fixing pollutants using same |
| 09/15/2004 | CN1166556C Method and equipment for preparation of purified hydrogen peroxide aqueous solution |
| 09/09/2004 | US20040173533 Separation of xylose and glucose |
| 09/08/2004 | EP1224029A4 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
| 09/08/2004 | CN1527884A Method of preparing a modified corn steep liquor product |
| 09/08/2004 | CN1527858A Process for dissolution of highly fluorinated ion-exchange polymers |
| 09/08/2004 | CN1165369C Polymer composition, membrane containing said composition, method for the production and use thereof |
| 09/07/2004 | US6787042 Liquid phase; chelation; decomposition emission alpha, beta rays; cancer therapy |
| 09/02/2004 | WO2004074544A1 Electroless nickel plating solution circulating system |
| 09/02/2004 | WO2004074379A1 Mixture |
| 09/02/2004 | WO2004073843A1 Composite materials comprising supported porous gels |
| 09/02/2004 | US20040171754 Macromolecular ketoaldehydes |
| 09/02/2004 | US20040170822 Coating compositions for modifying hard surfaces |
| 09/02/2004 | US20040168968 Method for preparing an ion exchange media |
| 09/02/2004 | DE10326666A1 Stoffgemische Mixtures |
| 09/02/2004 | CA2514471A1 Composite materials comprising supported porous gels |
| 09/01/2004 | EP1451245A1 Process for dissolution of highly fluorinated ion-exchange polymers |
| 09/01/2004 | EP1450924A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
| 09/01/2004 | EP1183261B1 Method for separating analogous organic compounds |
| 08/31/2004 | US6784213 Method for preparation of strong acid cation exchange resins |
| 08/31/2004 | US6783937 Negatively charged membrane |
| 08/31/2004 | US6783748 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 |
| 08/26/2004 | US20040164027 Method for removing heavy metals and radionuclides |
| 08/26/2004 | DE4117964B4 Stabilisierter synthetischer Zeolith und ein Verfahren zu dessen Herstellung A stabilized synthetic zeolite and a process for its preparation |
| 08/25/2004 | EP1448604A1 Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle |
| 08/25/2004 | EP1276699B1 Method for reducing scale formation and/or corrosion in systems which conduct liquids |
| 08/25/2004 | EP1146333B1 Method of separating hemoglobin a2 |
| 08/25/2004 | EP0938356B1 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 08/19/2004 | WO2004070378A1 Column for ion chromatograph, suppressor and ion chromatograph |
| 08/18/2004 | EP1446174A1 Method and composition for removing uremic toxins in dialysis processes |
| 08/18/2004 | EP1161458B1 Malatyl polysaccharides, their production and their use |
| 08/18/2004 | EP0783366B1 Chromatographic resins and methods for using same |
| 08/17/2004 | US6777364 Synthesizing molecular sieves; dipping polymeric template capable of releasing amines by hydrolysis into precursor containing gel or sol |
| 08/12/2004 | WO2004067449A1 Modular device and methods for copper exploitation from waste, flotation waste, mine waters and waste waters |
| 08/12/2004 | DE19535086B4 Verwendung von polymeren Festkörperelektrolyten sowie Verfahren zu deren Herstellung Use of polymeric solid electrolyte and to processes for their preparation |
| 08/11/2004 | EP1444368A1 Separation of xylose and glucose |
| 08/10/2004 | US6773512 Method for the recovery of sugars |
| 08/10/2004 | CA2284285C Large capacity acid or base generator and method of use |
| 08/10/2004 | CA2220806C Mixed bed ion exchange resin system and method of preparation |
| 08/05/2004 | WO2004065008A1 Methods for removing microbicidal compounds from compositions |
| 08/04/2004 | CN1517664A Whole heat-exchange assembly |
| 08/03/2004 | US6770757 Method for recovering products from process solutions |
| 08/03/2004 | US6770204 Filter media with enhanced microbiological interception capability |
| 07/28/2004 | CN1515357A Lamellar zirconium phosphate crystal containing organic diamine, its preparation method and application |
| 07/28/2004 | CN1159093C Shaped body of zeolite, preocess for its production and its use |
| 07/22/2004 | US20040140266 Dispersing a magnetic ion-exchange resin in water containing dissolved organic carbon (DOC) to enable adsorption |
| 07/22/2004 | DE19942347B4 Elektrochemisch regenerierbarer Ionenaustauscher Electrochemical regenerable ion exchangers |
| 07/21/2004 | EP1179057B1 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 07/21/2004 | EP1163044B1 Negatively charged membrane |
| 07/21/2004 | CN1513601A Nano-emulsified fluorine containing ion exchange resin and its preparation method and application |
| 07/15/2004 | WO2004058423A1 Method for removing heavy metal in incineration ash |
| 07/15/2004 | WO2004035663A3 Method for preparing an ion exchange media |
| 07/15/2004 | US20040138488 Benzene-1 2-diol mannich bases ligands polymers and method of selective metal ions removal |
| 07/15/2004 | US20040137652 Method and apparatus for manufacturing organic electroluminescent device, electronic apparatus and method of removing ionic impurities |
| 07/15/2004 | US20040137419 Contacting blood product with a cation exchange resin, allow for binding and separating the positively charged aziridino compound; Dowex 50wx8; ethyleneimine oligomers |
| 07/14/2004 | EP1437376A1 Sinter, resin particles, and process for producing the same |
| 07/14/2004 | EP1019731A4 High speed chromatographic method for hemoglobin variants screening and quantification of hemoglobins a 2? and f |
| 07/13/2004 | US6761272 Filters consisting of filter paper or paper-type nonwoven material |
| 07/08/2004 | US20040132840 Methods for preparation of weak acid cation exchange resin, weak acid cation exchange resin, and down stream products made using the resins |
| 07/07/2004 | CN1156502C Process for preparing macroteticular weakly acidic cationic exchange resin of acrylic series |
| 07/06/2004 | US6759442 Packing material for solid phase extraction and solid phase extraction method |
| 07/01/2004 | WO2004036598A3 Method for removing heavy metals and radionuclides |
| 06/30/2004 | EP1432513A1 Alkali-stable hydrophilic sorbents for ion-exchange chromatography |
| 06/30/2004 | CN1509257A Microporous filter media, filtration system containing same and method of making and using |
| 06/24/2004 | US20040122117 comprising a porous polymer having a continuous pore structure, which comprises interconnected macropores and mesopores existing on the walls of the interconnected macropores |
| 06/24/2004 | US20040118762 Packing materials for liquid chromatography using chemically modified diamond powders |
| 06/23/2004 | EP1431760A1 Process for production of collection columns for carbonyl compounds |
| 06/23/2004 | CN1506165A Method for producing gel cation exchanger |
| 06/23/2004 | CN1154651C Method for separating analogous organic compounds |
| 06/23/2004 | CN1154614C Ion exchange resin, cartridge using it and humidifier |
| 06/15/2004 | US6750259 Process for preparing gel-type cation exchangers |
| 06/10/2004 | WO2004047991A1 Electrodeionization apparatus |
| 06/09/2004 | EP1425092A1 Generation of ion exchanger media |
| 06/09/2004 | EP1012350B1 Method for reprocessing materials containing precious metals by means of chromatographic separation and fractionation |
| 06/08/2004 | US6746609 Cooling tower water treatment |
| 06/08/2004 | CA2145075C Composite ion-exchange material, preparation and use thereof |
| 06/02/2004 | EP1423197A1 Composite solid material fixing mineral pollutants, method for preparing same and method for fixing pollutants using same |
| 06/02/2004 | CN1502063A Process for producing acid sensitive liquid composition containing a carbonate |
| 05/27/2004 | US20040099593 Concurrent dialysate purification cartridge |
| 05/25/2004 | US6740684 Forming oxygen and metal resistant catalyst for production of bisphenol a; partially neutralizing with alkylcarbamoyl alkylthioester |
| 05/19/2004 | EP1419009A1 Method for preparing a composite solid material based on hexacyanoferrates, and method for fixing mineral pollutants using same |
| 05/19/2004 | EP1418996A1 Method for removing heavy metals from media containing heavy metals by means of a lyocell moulded body, cellulosed moulded body comprising adsorbed heavy metals, and the use of the same |
| 05/19/2004 | CN1498193A Treatment of nickel-containing waste water on phosphating |
| 05/13/2004 | US20040092700 Methods for directly producing stable aqueous dispersions of electrically conducting polyanilines |
| 05/13/2004 | US20040091762 Sulfonated aromatic polyether ketone and polybenzimidazole; high performance, low cost polymer electrolyte fuel cells |
| 05/13/2004 | US20040089550 Aqueous active alkali silicate solution having high molar ratio, method for production thereof and method for use thereof |
| 05/12/2004 | CN1496282A Method for producing gel-type cation exchangers |
| 05/12/2004 | CN1149236C Styrene-containing popcorn polymers, method for producing same and utilization |
| 05/11/2004 | US6733677 Filter sheet and process for purifying photoresist composition employing the filter sheet |