| Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418) |
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| 04/25/2001 | EP1093441A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 04/24/2001 | US6221250 Buffers, acids, bases and optional salts and solvents |
| 04/19/2001 | WO2001027331A2 Detection of nucleic acid heteroduplex molecules by anion-exchange chromatography |
| 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 | US6217771 Ion exchange treatment of extraction solvent to remove acid contaminants |
| 04/12/2001 | WO2001025285A1 Large-pore chromatographic beads prepared by suspension polymerization |
| 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 |
| 04/05/2001 | WO2001023626A1 The elution of gold from anion exchange resins |
| 04/03/2001 | US6210078 Methods for the in situ removal of a contaminant from soil |
| 03/29/2001 | WO2001021269A2 Carbon dioxide absorption unit and regeneration method for said unit |
| 03/28/2001 | EP1086152A1 Method for producing osmotically and mechanically stable gel-like anion exchangers |
| 03/21/2001 | EP1084097A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 03/21/2001 | EP0830388A4 Ion exchange polymers for anion separations |
| 03/20/2001 | US6203708 For removing soluble electrolytes from an ionising solvent |
| 03/13/2001 | US6200480 Method of purifying photoacid generators for use in photoresist compositions |
| 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 | CN1286144A Process for preparing single dispersivity anionite contg. strong base functional group |
| 03/07/2001 | CN1286143A Process for preparing single dispersivity anionite |
| 03/01/2001 | DE19954393A1 Verfahren zur Herstellung von monodispersen Anionenaustauschern A process for producing monodisperse anion exchangers |
| 03/01/2001 | DE19954015A1 Verfahren zur Herstellung von monodispersen Anionenaustauschern mit stark basischen funktionellen Gruppen Process for the preparation of monodisperse anion exchangers with strong basic functional groups |
| 02/28/2001 | EP1078885A1 Material for introducing physiologically-essential inorganic elements into drinkable water |
| 02/28/2001 | EP1078689A2 Method for producing monodispersed anion exchangers with strong basic functional groups |
| 02/28/2001 | EP1078688A2 Method for producing monodispersed anion exchangers |
| 02/27/2001 | CA2316676A1 Process for preparing monodisperse anion exchangers having strongly basic functional groups |
| 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 |
| 02/21/2001 | CN1284499A Purification of alkyl sulfonic acid |
| 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 |
| 02/13/2001 | US6187519 Process and equipment for recovering developer from photoresist development waste and reusing it |
| 02/13/2001 | US6187189 Process for the preparation of an ultrapure solution of hydrogen peroxide by ion exchange with recycling |
| 02/08/2001 | WO2001009202A1 Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers |
| 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 |
| 02/07/2001 | EP1073721A1 Efficient purification of adenovirus |
| 02/07/2001 | EP0996594A4 Process for the removal of pentavalent arsenic from water |
| 02/06/2001 | US6184423 Method to eliminate formic acid and acetic acid from process water in ethylene glycol plant |
| 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 |
| 01/31/2001 | EP1072586A1 Purification of alkanesulfonic acids |
| 01/31/2001 | EP1071756A1 PURIFICATION OF HUMAN ACID $g(a)-GLUCOSIDASE |
| 01/27/2001 | CA2314179A1 Purification of alkanesulfonic acids |
| 01/25/2001 | WO2001005710A1 Method for recovering fluorinated emulsifiers from aqueous phases |
| 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 | CA2379931A1 Process for the recovery of fluorinated emulsifiers from aqueous phases |
| 01/24/2001 | CN1281550A Process for obtaining L-dihydroorotic acid and use thereof |
| 01/24/2001 | CN1280771A Long-acting, broad-spectrum disinfecting ion exchange resin |
| 01/18/2001 | WO2001004054A1 Zinc-modified composite polybasic salt, process for producing the same, and use |
| 01/18/2001 | WO2001004053A1 Composite polybasic salt, process for producing the same, and use |
| 01/18/2001 | DE19933696A1 Verfahren zur Rückgewinnung fluorierter Emulgatoren aus wässrigen Phasen A process for the recovery of fluorinated emulsifiers from aqueous phases |
| 01/18/2001 | CA2343730A1 Composite polybasic salt, process for producing the same, and use |
| 01/18/2001 | CA2343145A1 Zinc-modified composite polybasic salt, process for producing the same, and use |
| 01/11/2001 | WO2001002076A1 Method for increased capacity of ion exchange media |
| 01/04/2001 | WO2001000717A1 Device and method for derivatizing shaped bodies |
| 01/04/2001 | WO2001000642A1 High affinity, low molecular weight displacers for oligonucleotide purification |
| 01/03/2001 | EP1064064A1 Removal of contaminants from biological products |
| 12/28/2000 | DE19928719A1 Chemical coating of moldings with covalently-bonded polymers, includes stages of polymerization, optional pre-reactions and polymer analog conversions. |
| 12/21/2000 | WO2000076633A1 Process for the reclamation of spent alkanolamine solution |
| 12/21/2000 | CA2374880A1 Process for the reclamation of spent alkanolamine solution |
| 12/19/2000 | US6162648 Purification of Indium 111 |
| 12/13/2000 | EP1059298A1 Process for purifying L-ascorbyl 2-monophosphate |
| 12/13/2000 | CN1276377A Method for purifying L-ascorbic acid 2-monophosphate |
| 12/07/2000 | CA2310903A1 Process for purifying l-ascorbyl 2-monophosphate |
| 11/30/2000 | WO2000050465A3 Styrene/divinylbenzene copolymers functionalized with a high degree of aminomethyl groups |
| 11/29/2000 | EP1054715A1 Method of purifying photoacid generators for use in photoresist compositions |
| 11/23/2000 | WO2000070041A1 Mixed-bed solid phase and its use in the isolation of nucleic acids |
| 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 |
| 11/16/2000 | WO2000068286A1 Styrene-containing popcorn polymers, method for producing same and utilisation |
| 11/16/2000 | WO2000044389A3 Method for preparing membrane vesicles |
| 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 |
| 11/08/2000 | CN1272806A Method for producing anion-exchanging mineral and use of said mineral |
| 11/07/2000 | US6143853 Method for separation and synthetic polymers that can be used as separation media in the method |
| 11/02/2000 | EP1047483A1 Separation process |
| 10/24/2000 | US6136199 Using a chelating ion exchange resin saturated with lewis acid, i.e., copper, cations |
| 10/18/2000 | CN1270538A Method for separation of acid from sugars |
| 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 |
| 09/28/2000 | WO2000056666A1 Water purification process |
| 09/28/2000 | CA2368022A1 Water purification process |
| 09/20/2000 | EP1036319A1 Process for obtaining l-dihydroorotic acid and use thereof |
| 09/19/2000 | US6120985 Pressure-enhanced extraction and purification |
| 09/06/2000 | EP1032596A1 Lactalbumin production process |
| 08/31/2000 | WO2000050465A2 Styrene/divinylbenzene copolymers functionalized with a high degree of aminomethyl groups |
| 08/31/2000 | WO2000050161A1 Positively charged membrane |
| 08/23/2000 | EP1029847A1 Process for producing hydroxyalkyl (meth)acrylates |
| 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 | EP1027160A1 Pressure-enhanced extraction and purification |
| 08/16/2000 | EP1027158A1 Ion exchange |
| 08/16/2000 | EP1027151A1 Process for making and use of anionic clay materials |
| 08/16/2000 | EP1027122A1 Method for the separation of acid from sugars |
| 08/10/2000 | WO2000045951A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for its preparation |
| 08/09/2000 | CN1262665A Process for removal of pentavalent arsenic from water |
| 08/08/2000 | US6100306 Polymeric microbeads and methods of preparation |