| 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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| 02/06/2001 | CA2138520C Passivated and stabilized porous supports and methods for the preparation and use of same |
| 02/01/2001 | WO2001007517A1 Fluid composition for producing and repairing ion exchange membranes |
| 02/01/2001 | DE19900764C1 Malatyl-Polysaccharide, deren Herstellung und Verwendung Malatyl polysaccharides, their preparation and use |
| 02/01/2001 | CA2380098A1 Fluid composition suitable for the production and preparation of ion exchange membranes |
| 01/31/2001 | EP1028845A4 System for extracting soluble heavy metals from liquid solutions |
| 01/30/2001 | US6180764 Process for producing hydrotalcites by hydrolyzing metal alcoholates |
| 01/25/2001 | DE19960624C1 Separation of metal ions, e.g. copper, cadmium, nickel and zinc, comprises alternate contact of an ion exchanger with a solution containing metal ions and an acid solution free from dissolved metal ions |
| 01/25/2001 | DE19934409A1 Reducing the ammonium concentration of aqueous solutions comprises passing it through a reactor containing adsorption agent, passing activated sludge containing dissolved salt through the reactor by means of gas and rinsing |
| 01/24/2001 | EP1069944A1 Shaped body of zeolite, a process for its production and its use |
| 01/24/2001 | CN1280771A Long-acting, broad-spectrum disinfecting ion exchange resin |
| 01/10/2001 | CN1279135A Weak-alkaline ion exchange fibre and its preparing process |
| 01/09/2001 | US6171503 Use of tetraphenyloborate for extraction of ammonium ions and amines from water |
| 01/04/2001 | WO2001000717A1 Device and method for derivatizing shaped bodies |
| 01/03/2001 | EP1064230A1 Use of tetraphenylborate for extraction of ammonium ions and amines from water |
| 12/28/2000 | DE19928719A1 Chemical coating of moldings with covalently-bonded polymers, includes stages of polymerization, optional pre-reactions and polymer analog conversions. |
| 12/27/2000 | EP1062031A1 Ion separation using a surface-treated xerogel |
| 12/26/2000 | US6165367 Which contains interfering anions such as sulfates, nitrates,and carbonates, by capturing the heavy metal such as uranium with a chelating resin containing amino-phosphonic groups, eluting resin with sequestering agent, regenerating |
| 12/21/2000 | WO2000076661A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 12/21/2000 | CA2374224A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups |
| 12/20/2000 | EP1060790A1 Aqueous solution for use in an ion exchange process |
| 12/07/2000 | WO2000073214A1 Denitrification process |
| 12/07/2000 | WO2000072940A1 Filters consisting of filter paper or paper-type nonwoven material |
| 12/06/2000 | EP1056713A2 Method for producing aqueous hydroxylamine solutions which are substantially free of metal ions |
| 12/05/2000 | US6156207 Process for the removal of metal compounds from an aqueous acid solution |
| 11/30/2000 | WO2000071546A1 Method for separating analogous organic compounds |
| 11/30/2000 | DE19924435A1 Filter aus Filterpapier oder papierartigem Vliesstoff Remove from filter paper or paper nonwoven |
| 11/23/2000 | WO2000069872A2 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 11/23/2000 | CA2372054A1 Ph dependent ion exchange matrix and method of use in the isolation of nucleic acids |
| 11/21/2000 | US6150426 Compositions containing particles of highly fluorinated ion exchange polymer |
| 11/16/2000 | WO2000068286A1 Styrene-containing popcorn polymers, method for producing same and utilisation |
| 11/15/2000 | EP0646038B1 Passivated and stabilized porous supports and methods for the preparation and use of same |
| 11/15/2000 | CN1058422C Ion-exchange resin mixed bed removing suspended impure substance |
| 11/09/2000 | DE19920944A1 Styrol-haltige Popcorn-Polymerisate, Verfahren zu deren Herstellung und Verwendung Styrene-containing popcorn polymers, processes for their preparation and use |
| 11/07/2000 | US6143853 Method for separation and synthetic polymers that can be used as separation media in the method |
| 11/02/2000 | WO2000064951A1 Sulphonated polymer resin and preparation thereof |
| 11/02/2000 | WO2000064817A1 Waste water treatment during phosphation |
| 11/02/2000 | EP1048351A2 System for generating a high purity eluant |
| 11/02/2000 | EP1047634A1 Continuous production of silica via ion exchange |
| 11/02/2000 | DE19918713A1 Abwasseraufbereitung bei der Phosphatierung Wastewater treatment in the phosphating |
| 10/31/2000 | US6139752 Composition and method for selectively removing metal ions from an aqueous solution |
| 10/18/2000 | EP1044045A1 Purification composite and device and method of making and using same |
| 10/17/2000 | US6133493 Alkylating an aromatic compound |
| 10/17/2000 | US6132610 Endotoxin adsorption system |
| 10/11/2000 | EP1042513A1 Method of producing xylose |
| 10/11/2000 | EP0763199B1 Apparatus/method for electrochemically modifying chromatographic material |
| 10/11/2000 | CN1057329C Method for removing calcium ions in water solution through ion exchanger |
| 10/10/2000 | US6129846 Activated carbon composite with crystalline tin silicate |
| 10/10/2000 | CA2187285C Apparatus/method for electrochemically modifying chromatographic material |
| 10/05/2000 | WO2000058009A1 Cationic exchange resin |
| 10/03/2000 | US6127433 Composite separation fibers of polyethylene sheath and polyethylene terephthalate cores are subjected to ionizing radiation to graft ion-exchange group-containing unsaturated monomers onto the surface; crossing fibers over and |
| 09/27/2000 | EP1038580A1 Ammonium ion adsorption process using zirconium silicate and zirconium germanate molecular sieves |
| 09/26/2000 | US6123850 Process for the purification of virtually anhydrous organic liquids |
| 09/26/2000 | CA2040809C Apparatus and process to regenerate a trivalent chromium bath |
| 09/14/2000 | WO2000024796A8 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
| 09/05/2000 | US6114269 Process for preparing chemically modified micas for removal of cesium salts from aqueous solution |
| 08/31/2000 | WO2000050160A1 Negatively charged membrane |
| 08/31/2000 | WO2000027513A3 Polymer composition, membrane containing said composition, method for the production and use thereof |
| 08/30/2000 | EP0703872B1 Kaolin derivatives |
| 08/24/2000 | WO2000049069A1 Polymer membrane and a process for the production thereof |
| 08/23/2000 | EP1028845A1 System for extracting soluble heavy metals from liquid solutions |
| 08/23/2000 | EP1023121A4 Process for the purification of nutrients from food process streams |
| 08/23/2000 | EP0821662B1 Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process |
| 08/22/2000 | CA2027453C Materials for removing suspended impurities and use thereof |
| 08/17/2000 | WO2000034386A3 Gel-type copolymer beads and ion exchange resins made therefrom |
| 08/16/2000 | EP1027158A1 Ion exchange |
| 08/16/2000 | CN1055451C Cation coagulant |
| 08/15/2000 | US6103122 Filter sheet for purifying photoresist composition |
| 08/10/2000 | WO2000045951A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for its preparation |
| 08/09/2000 | CN1262669A Method for removing metal ions from cresol mixtures |
| 08/08/2000 | US6100306 Polymeric microbeads and methods of preparation |
| 08/08/2000 | US6099737 Process for removing toxins from blood using zirconium metallate or titanium metallate compositions |
| 08/02/2000 | EP1023121A1 Process for the purification of nutrients from food process streams |
| 08/02/2000 | CN1055063C Modified zeolite and manufacture thereof |
| 07/25/2000 | US6093327 Apparatuses and methods for electrochemically modifying the retention of species on chromatography material |
| 07/25/2000 | US6093326 Method for the fractionation of molasses |
| 07/20/2000 | WO2000042075A1 Malatyl polysaccharides, their production and their use |
| 07/19/2000 | EP1019731A1 High speed chromatographic method for hemoglobin variants screening and quantification of hemoglobins a 2? and f |
| 07/19/2000 | EP0781255B1 Water treatment process |
| 07/19/2000 | CN1260736A Method for deionization of substances that are not stable at acidic pH |
| 07/12/2000 | EP1018561A1 A method for the fractionation of molasses |
| 07/12/2000 | CN1054354C Alumina-silicate derivatives producing method |
| 07/06/2000 | DE19851498A1 Polymerzusammensetzung, Membran enthaltend diese, Verfahren zu deren Herstellung und deren Verwendung Polymer composition, membrane containing these, processes for their preparation and their use |
| 07/05/2000 | CN1054040C Preparation of ion exchange resins loaded with quinolonecarboxylic acid derivatives |
| 07/04/2000 | US6083670 Process and equipment for rejuvenation treatment of photoresist development waste |
| 06/28/2000 | EP1012350A1 Method for reprocessing materials containing precious metals by means of chromatographic separation and fractionation |
| 06/28/2000 | EP1012115A1 Adsorbent for metal ions and method of making and using |
| 06/28/2000 | EP1011861A1 Process for the preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin |
| 06/27/2000 | US6080315 Process for the partial desalination of water |
| 06/23/2000 | CA2256923A1 Kraft pulping process |
| 06/21/2000 | EP0868212B1 Process for the preparation of free-flowing or temporarily free-flowing very acidic cation exchangers |
| 06/21/2000 | EP0797541B1 Alumino-silicate derivatives |
| 06/20/2000 | US6077918 Preparing a phosphonium ionomer by reacting a brominated polyarylene sulfide and triphenylphosphine in the presence of a transition metal halide and a protic apolar liquid. |
| 06/15/2000 | WO2000034386A2 Gel-type copolymer beads and ion exchange resins made therefrom |
| 06/15/2000 | WO2000033958A1 Treatment of power plant condensate water with ion exchange resins |
| 06/15/2000 | DE19857531A1 Chemical treatment of granular or powder solids with liquids on inclined conveyor, e.g. ion exchange modification of zeolite materials, comprises applying salt solution, water washing and drying |
| 06/14/2000 | EP1008303A1 Novel milk-derived magnesium/calcium materials and methods for producing the same |
| 06/14/2000 | EP1007958A4 Acid or base generator and method of use |
| 06/14/2000 | EP1007958A1 Acid or base generator and method of use |
| 06/14/2000 | EP1007192A1 Ion chromatographic method and apparatus using ion reflux |
| 06/14/2000 | EP1007178A1 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography |