| Patents for B01J 43 - Amphoteric ion-exchange, i.e. using ion-exchangers having cationic and anionic groups; Use of material as amphoteric ion-exchangers; Treatment of material for improving their amphoteric ion-exchange properties (335) |
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| 01/10/2008 | DE10349067B4 Herstellungsverfahren für eine protonenleitende Membran A method for producing a proton conducting membrane |
| 12/12/2007 | CN100354418C Polyfunctional support material for complex nucleic acid analysis |
| 11/14/2007 | CN101069860A Amphoteric ion exchangers for the adsorbtion of oxoanions |
| 10/18/2007 | DE102006017371A1 Amphotere Ionenaustauscher zur Adsorption von Oxoanionen Amphoteric ion exchangers for the adsorption of oxyanions |
| 10/17/2007 | EP1844857A2 Amphoteric ion exchangers for the adsorbtion of oxoanions |
| 07/03/2007 | US7238426 Comprises porous silica particle for zwitterionic high performance liquid chromatography |
| 06/21/2007 | WO2007069714A1 Hydrophilic composite microporous membrane and method for producing same |
| 06/21/2007 | CA2633936A1 Hydrophilic, composite, microporous membrane and its production method |
| 06/05/2007 | CA2315344C Electrodialysis water splitting process |
| 04/17/2007 | CA2271132C Biocompatible compositions |
| 04/03/2007 | CA2429510C An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 01/11/2007 | US20070007196 Filter cartridge for fluid for treating surface of electronic device substrate |
| 11/22/2006 | EP1724016A1 Ph dependent ion exchange material capable of selectively binding to nucleic acids, solid substrate having the material immobilized on its surface, and method of isolating a nucleic acid using the same |
| 09/06/2006 | EP1698395A1 An adsorptive-filtration media for the capture of waterborne or airbone constituents |
| 08/31/2006 | US20060194884 Description of an inorganic polymer "electret" in a colloidal state along with the method of generating and applications |
| 08/23/2006 | EP1137466B1 A chromatography method and a column material useful in said method |
| 06/22/2006 | US20060135360 Process for preparing porous hybrid comprising zeolite and chitosan and poruos hybrid prepared thereby |
| 06/14/2006 | CN1787969A Filter cartridge for fluid for treating surface of electronic device substrate |
| 06/06/2006 | CA2129843C Assessment of ion availability in heterogeneous media using ion-exchange membranes |
| 03/21/2006 | US7015254 Apparatus generates colloidal silica; controlling particle size, uniformity, consistency, hydration and three-dimensional structure via computer |
| 03/08/2006 | EP1276795B1 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 03/07/2006 | US7008542 Providing aadsorption matrix which comprises structurally different ligands, comprising weak ion exchanger or strong ion exchanger; contacting liquid with matrix under a to allow adsorption of substance to matrix; adding eluent that desorbs |
| 02/21/2006 | US7001523 comprises silicone surfactant-free, superabsorbent polyurethane/polyoxyethylene glycol copolymer foam |
| 12/28/2005 | EP1278834B1 Process for complex nucleic acid analysis |
| 12/15/2005 | US20050274663 [Air and Water Conditioning System and Filter Media] |
| 12/08/2005 | US20050269254 [Air and Water Purifying System And Filter Media] |
| 08/17/2005 | EP1027158B1 Ion exchange |
| 08/02/2005 | US6924318 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 04/26/2005 | US6884345 Chromatography method and a column material useful in said method |
| 03/24/2005 | US20050064192 Comprises porous silica particle for zwitterionic high performance liquid chromatography |
| 02/16/2005 | CN1189387C High-purity hydrogen peroxide preparation |
| 12/29/2004 | CN1181924C Ion exchange fiber and its preparation method and use |
| 12/23/2004 | WO2004110619A1 Process for preparing porous hybrid comprising zeolite and chitosan and porous hybrid prepared thereby |
| 11/23/2004 | CA2155509C Single-film membrane, process for obtaining it and use thereof |
| 11/18/2004 | WO2004099086A1 Filter cartridge for fluid for treating surface of electronic device substrate |
| 10/21/2004 | US20040208697 Adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 10/19/2004 | US6806362 pH dependent ion exchange matrix and method of use in the isolation of nucleic acids |
| 07/27/2004 | US6767160 Porous pavement for water quantity and quality management |
| 07/21/2004 | EP1179057B1 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 06/09/2004 | EP1341970A4 An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 02/26/2004 | US20040039070 Strong base quaternary ammonium anion exchange resin and strong acid sulfonated cation exchange resin pretreated respectfully with 10-800 mg of water-soluble sulfonated poly (vinylaromatic)polyelectrolyte and cationic polyelectrolyte |
| 02/05/2004 | US20040020857 Method for mixed mode adsorption and mixed mode adsorbents |
| 09/24/2003 | EP1345695A2 A method for mixed mode adsorption and mixed mode adsorbents |
| 09/10/2003 | EP1341970A2 An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 09/03/2003 | CN1439600A High-purity hydrogen peroxide preparation |
| 08/27/2003 | CN1438074A Ion exchange fiber and its preparation method and use |
| 08/21/2003 | US20030155244 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 08/19/2003 | CA2277833C A process for the separation of sulphides from pulping liquors using amphoteric resins |
| 08/14/2003 | US20030152961 Comprises bonded surface layer having both postive and negative charges for use in automatic sequence determination |
| 05/21/2003 | CN1419601A Polyfunctional support material for complex nucleic acid analysis |
| 03/18/2003 | US6534554 Microdomains of acidic and basic resins in contact with each other; water purification; recovering sugars, proteins, metals |
| 03/12/2003 | EP1291083A1 Mixed bed ion exchange resins |
| 02/06/2003 | WO2002044088A9 An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 01/29/2003 | EP1278834A2 Polyfunctional support material for complex nucleic acid analysis |
| 01/22/2003 | EP1276795A1 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 11/19/2002 | US6482305 Electrodialysis water splitting process |
| 10/22/2002 | US6468942 Absorptive-filtration media for the capture of waterborne or airborne constituents |
| 09/26/2002 | WO2002053252A3 A method for mixed mode adsorption and mixed mode adsorbents |
| 09/25/2002 | EP0954632B1 A process for the separation of a sulphur-containing component from pulping liquors using amphoteric resins |
| 09/19/2002 | WO2001070386A2 Polyfunctional support material for complex nucleic acid analysis |
| 09/19/2002 | CA2403523A1 Polyfunctional support material for complex nucleic acid analysis |
| 08/28/2002 | EP1027158A4 Ion exchange |
| 08/22/2002 | WO2002044088A3 An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 08/14/2002 | EP1230027A1 Multicomponent ion exchange resins |
| 08/13/2002 | US6432314 Anion exchange materials and processes |
| 07/16/2002 | US6420439 Modified polyvinylpyridines useful in chromatographic separation of acids from other compounds |
| 07/11/2002 | WO2002053252A2 A method for mixed mode adsorption and mixed mode adsorbents |
| 07/11/2002 | US20020090261 Adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 06/26/2002 | CN1086675C Method for producing crystalline inorganic ion exchange materials |
| 06/06/2002 | WO2002044088A2 An adsorptive-filtration media for the capture of waterborne or airborne constituents |
| 04/10/2002 | EP0939779B1 Anion exchange materials and processes |
| 04/04/2002 | WO2001070386A3 Polyfunctional support material for complex nucleic acid analysis |
| 02/13/2002 | EP1179057A2 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 01/08/2002 | CA2126584C Process for the preparation of a polymeric ion-exchange material with sulfonic acid groups, and material obtained |
| 10/30/2001 | US6310199 By adsorbing to the target nucleic acid at an adsorption ph and releasing the target nucleic acid at a desorption ph which is higher than the adsorption ph; magnetic silia particles; glycidyl ligands; amino acid ligands; spacers |
| 10/25/2001 | WO2001079335A1 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 10/25/2001 | CA2406964A1 Method for making a bipolar membrane and use of resulting bipolar membrane |
| 10/04/2001 | US20010027219 Apparatus generates colloidal silica; controlling particle size, uniformity, consistency, hydration and three-dimensional structure via computer |
| 10/04/2001 | EP1137466A1 A chromatography method and a column material useful in said method |
| 10/04/2001 | DE10013990A1 Polyfunktionelles Trägermaterial für die komplexe Nukleinsäureanalytik Polyfunctional support material for the complex nucleic acid analysis |
| 09/19/2001 | EP0686168B1 Single-film membrane, preparation method therefor and use thereof |
| 08/16/2001 | US20010014650 Adsorption, desorption of targeted nucleic acids |
| 07/25/2001 | CN1305500A Separations using ampholytic basic polymers |
| 07/11/2001 | EP0821655B1 Method for producing crystalline, inorganic ion exchange material |
| 06/26/2001 | US6251964 Biocompatible compositions |
| 05/03/2001 | WO2001030496A1 Multicomponent ion exchange resins |
| 03/07/2001 | EP1080776A2 Electrodialysis water splitting process |
| 02/15/2001 | WO2000069872A3 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS |
| 01/11/2001 | WO2001002076A1 Method for increased capacity of ion exchange media |
| 12/06/2000 | CN1275924A Generating inorganic polymer electret in colloidal state |
| 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 |
| 08/16/2000 | EP1027158A1 Ion exchange |
| 07/19/2000 | EP0993336A4 Generating inorganic polymer electret in colloidal state |
| 05/18/2000 | WO2000027496A1 A chromatography method and a column material useful in said method |
| 04/19/2000 | EP0993336A1 Generating inorganic polymer electret in colloidal state |
| 02/23/2000 | EP0866815B1 Biocompatible compositions |
| 02/22/2000 | US6027560 Method for producing crystalline, inorganic ion exchange material |
| 01/25/2000 | US6017969 A stable ion-exchange resin against shrinkage, loaded with at least one amphiphilic ion and silver, palladium, and mercury cation; use for purifying alkyl iodide from co-catalysed carbonylation of alcohols |
| 11/10/1999 | EP0954632A1 A process for the separation of sulphides from pulping liquors using amphoteric resins |