| 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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| 06/08/2000 | WO2000033367A1 Wet cleaning apparatus |
| 06/06/2000 | CA2188723C Thermally-driven ion-exchange process for lithium recovery |
| 05/30/2000 | CA2073568C Purification of solutions |
| 05/23/2000 | US6066259 First bed consisting of a basic anion exchanger in the form of hydrogen carbonate and subsequently with a second bed, connected in series, consisting of a weakly acidic cation exchanger in hydrogen form. |
| 05/23/2000 | US6065252 Pneumatically convertible roof |
| 05/18/2000 | WO2000027513A2 Polymer composition, membrane containing said composition, method for the production and use thereof |
| 05/18/2000 | WO2000027496A1 A chromatography method and a column material useful in said method |
| 05/18/2000 | DE19852667A1 Verfahren zur Herstellung von monodispersen gelförmigen Kationenaustauschern A process for producing monodisperse gelatinous cation exchangers |
| 05/17/2000 | EP1000659A1 Method for producing monodispersed gel-like cation exchangers |
| 05/09/2000 | US6060526 Mixed bed ion exchange resin system and method of preparation |
| 05/04/2000 | WO2000024796A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 05/04/2000 | CA2342221A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 04/27/2000 | WO1999039816A9 Ion separation using a surface-treated xerogel |
| 04/20/2000 | WO2000021914A1 Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydroxypropanal solution |
| 04/20/2000 | WO1999058243A3 Ion exchange materials |
| 04/13/2000 | WO2000020102A1 Mass transfer composite membrane for a fuel cell power plant |
| 04/12/2000 | EP0991471A1 METHOD FOR THE DEIONIZATION OF SUBSTANCES THAT ARE NOT STABLE AT ACIDIC pH |
| 04/12/2000 | EP0977620A4 Electrochemically regenerated ion neutralization and concentration devices and systems |
| 04/11/2000 | US6048383 Mass transfer composite membrane for a fuel cell power plant |
| 03/30/2000 | DE19814555C1 Verfahren zum Entfernen von Metallionen aus Kresolgemischen A method for removing metal ions from cresol mixtures |
| 03/29/2000 | EP0988268A1 Method for removing metal ions from cresol mixtures |
| 03/28/2000 | US6042806 High surface area triple layered perovskites |
| 03/28/2000 | US6042743 Method of processing peat for use in contaminated water treatment |
| 03/21/2000 | WO2000056454A1 Silver or mercury exchanged macroporous organofunctional polysiloxane resins |
| 03/21/2000 | US6039876 Hydrophilic polystrene divinylbenzene based matrixes for chromatography |
| 03/16/2000 | DE19841510A1 Polymerisationsverfahren zur Herstellung vernetzter Copolymere A polymerization process for preparing crosslinked copolymers |
| 03/15/2000 | EP0985688A1 Polymerization process to produce cross-linked copolymers |
| 03/15/2000 | EP0984900A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange with recirculation |
| 03/15/2000 | EP0984899A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange with an anionic-cationic-anionic-cationic sequence |
| 03/15/2000 | EP0984898A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in beds with defined h/d ratio |
| 03/15/2000 | EP0984897A1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in the presence of ion acetate |
| 03/15/2000 | EP0984832A1 Perfluorinated ion-exchange microcomposite catalysts modified with lewis acid |
| 03/14/2000 | US6037381 Transesterification with alcohols in presence of sodium-containing catalyst; hydroxylation, catalysis |
| 03/14/2000 | US6036921 Acid or base generator with chromatograph |
| 03/14/2000 | US6036861 Fluidized bed system comprising surface modified zirconium oxide particles of capacity factor greater than 10; particles have a core zirconium oxide particle of given size and specific gravity; stable at high linear fluid velocities |
| 03/08/2000 | CN1246388A Separation process for mixed weak-alkaline and weak-acidic macroreticular anionic and cationic ion exchange resins |
| 03/01/2000 | CN1049906C Polyaniline-phenol resin and preparing method thereof |
| 02/22/2000 | US6027643 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 02/16/2000 | EP0979131A1 Large capacity acid or base generator and method of use |
| 02/09/2000 | EP0977710A1 Actinide-containing molecular sieves |
| 02/09/2000 | EP0977620A1 Electrochemically regenerated ion neutralization and concentration devices and systems |
| 02/01/2000 | US6020530 Process for purification of dimethyl sulphoxide (DMSO) |
| 01/26/2000 | EP0973949A1 Process for demineralizing a sugar solution |
| 01/26/2000 | EP0973608A1 Sorption agent containing nucleotide, for affinity chromatography |
| 01/20/2000 | WO2000002818A1 Ion exchange resin, cartridge using it and humidifier |
| 01/20/2000 | WO2000002658A1 METHOD AND DEVICE FOR CONVERTING A PREFERABLY WEAK ACID ION-EXCHANGE MATERIAL FROM THE H FORM INTO THE Ca FORM |
| 01/19/2000 | EP0758922B1 Process for the demineralization of a liquid containing dissolved organic substances and salts |
| 01/13/2000 | WO2000002041A1 Scavenging material for carbonyl compound in gas |
| 01/13/2000 | WO2000001459A1 Small diameter water stable zeolite composite useful as an ion exchange material |
| 01/13/2000 | WO2000001458A1 Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same |
| 01/12/2000 | EP0970017A1 Novel hybrid zeolite-silica compositions |
| 01/12/2000 | EP0750587B1 Crystalline borophosphates, their production and use |
| 01/11/2000 | US6013237 Filtering aqueous solution containing at least one dissolved substance selected from the group consisting of carbonate, bicarbonate or hydroxide and passing through strong basic anion exchange resin |
| 01/11/2000 | CA2170788C Mixed-cation adsorbent production with single pass ion exchange |
| 12/23/1999 | WO1999065607A1 Method for separation on cation exchangers |
| 12/22/1999 | CN1047575C Method for exchanging sodium-ion type molecular sieve and its exchanging appts. |
| 12/16/1999 | WO1999064480A1 Novel ion exchange porous resins for solid phase extraction and chromatography |
| 12/14/1999 | US6001324 Process for the preparation of an ultra pure hydrogen peroxide solution by ion exchange in the presence of acetate ions |
| 12/09/1999 | DE19826205A1 Process for foaming and consolidating swellable clays |
| 12/08/1999 | CN1237946A Porous inorganic composite and method for separating metal elements using the same |
| 12/02/1999 | WO1999061904A1 Packing material for chromatography having novel characteristic and method for isolation of substance using the same |
| 11/18/1999 | WO1999059161A1 Antimony silicate sorbent for removal of metal ions |
| 11/18/1999 | WO1999058577A1 Carboxylic cationites and methods of manufacture |
| 11/18/1999 | WO1999058243A2 Ion exchange materials |
| 11/17/1999 | EP0957086A2 Process for the removal of metal compounds from an aqueous acid solution |
| 11/17/1999 | EP0956159A1 Granular titanate ion exchangers and method for preparation thereof |
| 11/17/1999 | CN1046437C Method for making zeolite aluminum eliminating and silicon replenishing |
| 11/16/1999 | US5985152 Method of preventing corrosion in a water system |
| 11/10/1999 | EP0954541A1 Manufacture of cation exchange resins by pressurized sulfonation |
| 11/09/1999 | US5980987 Method of making a composition for separating and concentrating certain ions from mixed ion solutions |
| 11/09/1999 | CA2100732C Shaped organopolysiloxanes containing sulfonate groups, a process for their production and their use |
| 11/04/1999 | WO1999056287A1 Method for treating radioactive waste |
| 11/04/1999 | WO1999055626A1 Material for introducing physiologically-essential inorganic elements into drinkable water |
| 11/03/1999 | CN1046120C Alumino-silicate derivatives |
| 11/02/1999 | US5976490 Zeolite containing cation exchangers methods for preparation and use |
| 11/02/1999 | US5976487 Process for purifying an aqueous solution of hydrogen peroxide |
| 11/02/1999 | US5976379 Metathetic process utilizing a cation exchanger |
| 10/27/1999 | CN1233267A Compositions containing particles of highly fluorinated ion exchange polymer |
| 10/27/1999 | CN1233230A Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange |
| 10/27/1999 | CN1232728A Cleansing processing agent, cleansing method employing agent and molded structural member |
| 10/21/1999 | WO1999042434A3 Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 10/21/1999 | WO1999033452A3 Amine-containing copolymers as bile acid sequestrants |
| 10/19/1999 | US5968363 Selective separation of cations in mixture using synthetic resin support particles having bound crown ether groups and anionic groups whereby cation which forms complex with crown ether is eluted secondly |
| 10/19/1999 | CA2189553C Chemically modified solid phase extraction particles and articles containing same |
| 10/13/1999 | EP0949632A2 Method for preparing (F-18)-fluoride ion. |
| 10/13/1999 | EP0757588B1 Method of controlling density of ligand coupled onto supports and products produced therefrom |
| 10/13/1999 | CN1231282A Improved purification and recovery of acetonitrile |
| 10/07/1999 | WO1999050212A1 Method for removing metal ions from cresol mixtures |
| 10/07/1999 | WO1999049964A1 Shaped body of zeolite, a process for its production and its use |
| 10/06/1999 | EP0947467A1 Porous inorganic composite and method for separating metal elements using the same |
| 10/06/1999 | EP0946408A1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 10/05/1999 | US5961947 Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic |
| 09/28/1999 | US5958817 Zeolite is treated with a combined essentially stoichiometric and excess solution of desirable weakly held and strongly held cations so that the resultant zeolite has the required mixed cation composition, while consuming smaller amounts of weakly |
| 09/23/1999 | WO1999047457A1 Use of tetraphenylborate for extraction of ammonium ions and amines from water |
| 09/22/1999 | EP0868444B1 Process for the preparation of very acidic cation exchangers |
| 09/22/1999 | EP0807086B1 Process for producing hydrotalcites |
| 09/21/1999 | US5954965 Process for producing pure water |
| 09/10/1999 | WO1999044941A1 Method for producing highly pure lithium salts |
| 09/10/1999 | CA2322544A1 Method for producing highly pure lithium salts |
| 09/09/1999 | DE19809420A1 Verfahren zur Herstellung von hochreinen Lithiumsalzen A process for producing high purity lithium salts |