| Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418) |
|---|
| 03/11/1997 | US5609742 Electrolytic process and apparatus for the controlled reduction of inorganic and organic species in aqueous solutions |
| 03/04/1997 | US5607594 Process for purifying an aqueous methyldiethanolamine solution |
| 02/26/1997 | CN1034118C Method for purifying sodium thiocyanate water solution |
| 02/19/1997 | EP0758261A1 Chemically modified solid phase extraction particles and articles containing same |
| 02/18/1997 | US5604264 Polyvinylpyridinium anion-exchangers for recovery of technetium and plutonium anions |
| 02/12/1997 | EP0757588A1 Method of controlling density of ligand coupled onto supports and products produced therefrom |
| 02/11/1997 | US5602247 Using an ion exchange resin |
| 02/11/1997 | US5601722 Converting anion exchange resin to hexacyanoferrate/ii/ form, washing with water, adding aqueous copper salt solution to form insoluble copper hexacyanoferrate in pores, oxidizing, reducing in presence of monovalent cations, copper ions |
| 02/11/1997 | US5601721 Method for reducing the selenium concentration in an oil refinery effluent |
| 02/06/1997 | WO1997004141A1 Zirconium and hafnium separation in chloride solutions using continuous ion exchange chromatography |
| 02/06/1997 | WO1997003743A1 Zirconium and hafnium separation in sulfate solutions using continuous ion exchange chromatography |
| 01/21/1997 | US5595676 Fluorinated polymers |
| 01/21/1997 | US5595666 Removal of radioactive materials and heavy metals from water using magnetic resin |
| 12/19/1996 | WO1996040803A1 Ion exchange polymers for anion separations |
| 12/19/1996 | WO1996040619A1 Process for preparing amides of n-alkyl polyhydroxyalkyl amines |
| 12/19/1996 | CA2223981A1 Process for preparing amides of n-alkyl polyhydroxyalkyl amines |
| 12/19/1996 | CA2223945A1 Ion exchange polymers for anion separations |
| 12/18/1996 | EP0748770A1 Bismuth lead compound |
| 12/10/1996 | US5583162 Polymeric microbeads and method of preparation |
| 11/27/1996 | EP0743949A1 Process for producing endotoxin-free or endotoxin-poor nucleic acids and/or oligonucleotides for gene therapy |
| 11/26/1996 | US5578218 Brine treatment method |
| 11/20/1996 | EP0596943B1 Process for purifying pentostatin |
| 11/13/1996 | CN1033270C Process for purifying acetic acid and/or acetic anhydride |
| 11/05/1996 | US5571419 Water treatment with hydrofluoric acid for total organic content and ion exchanging |
| 10/16/1996 | EP0737098A1 Adsorption material and method |
| 10/08/1996 | US5562890 Production of alkali metal carbonates |
| 10/01/1996 | US5561097 Method of controlling density of ligand coupled onto supports and products produced therefrom |
| 09/25/1996 | CA2145452A1 Regeneration of perchloroethylene |
| 09/19/1996 | WO1996028251A1 Polymer sorbent for ion recovery processes |
| 09/19/1996 | CA2217866A1 Polymer sorbent for ion recovery processes |
| 09/12/1996 | WO1996027555A1 Method for producing crystalline, inorganic ion exchange material |
| 09/06/1996 | WO1996026971A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same |
| 09/05/1996 | DE19507104A1 Anionenaustauschende Formkörper und Verfahren zu deren Herstellung Anion-exchanging molding and process for their preparation |
| 09/04/1996 | EP0729381A1 A method for separation and synthetic polymers that can be used as separation media in the method |
| 08/29/1996 | WO1996026007A1 Amine heat stable salt removal from type ii anion exchange resin |
| 08/28/1996 | CN1129913A Functional group containing activated carbons |
| 08/22/1996 | DE19505638A1 Appts. for detoxification of liq. waste |
| 08/20/1996 | US5547579 Process and apparatus for purification of contaminated acids |
| 07/25/1996 | WO1996022153A1 Process and apparatus for purification of contaminated acids |
| 07/25/1996 | CA2210999A1 Process and apparatus for purification of contaminated acids |
| 07/24/1996 | EP0722360A1 Ion exchanger |
| 07/10/1996 | EP0617714B1 Seeded porous copolymers and ion-exchange resins prepared therefrom |
| 07/02/1996 | US5532279 Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 06/12/1996 | EP0716099A2 Strongly basic anion exchange resin and process for its production |
| 06/11/1996 | US5525237 Process for removing free and dissolved CO2 from aqueous solutions |
| 06/05/1996 | CN1124044A Process for purifying aqueous solutions of tertiary amino oxides |
| 06/05/1996 | CN1124033A Process for producing cellulose shaped bodies |
| 05/29/1996 | EP0713933A1 Process for producing separation functional fibers and ion-exchange fibers produced therefrom |
| 05/23/1996 | DE19542421A1 Selective lowering of the concn. of a species in soln. |
| 05/21/1996 | US5518627 Demineralization, basic anion exchange resin |
| 05/02/1996 | WO1996012730A1 Separation of amino acids and peptides from protein hydrolysates |
| 05/01/1996 | EP0708686A1 Functional group containing activated carbons |
| 05/01/1996 | EP0646142B1 An adiabatic process for the preparation of ion exchange and adsorbent copolymers |
| 04/30/1996 | US5512604 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents |
| 04/10/1996 | EP0705845A2 Process of simultaneous removal of tumor necrosis factor and bacterial lipopolysaccharides from an aqueous solution |
| 04/10/1996 | EP0616638B1 Method and device for the isolation of cell components, such as nucleic acids, from natural sources |
| 03/06/1996 | EP0699628A2 Brine treatment method |
| 02/27/1996 | US5494582 Removal of selenium from water by ion-exchange |
| 02/20/1996 | US5492723 Adsorbent medium |
| 02/20/1996 | CA2049298C Coated media for chromatography |
| 02/14/1996 | EP0696330A1 Process for purifying aqueous solutions of tertiary amino oxides |
| 02/07/1996 | EP0695324A1 Process for producing cellulose shaped bodies |
| 01/17/1996 | EP0692038A1 Preparation of poly(m-phenylene isophthalamide) filaments |
| 01/10/1996 | EP0691148A2 A method for separating double stranded DNA from single stranded DNA or RNA |
| 12/19/1995 | CA1337739C Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 12/14/1995 | WO1995033553A1 Polymeric microbeads and method of preparation |
| 12/14/1995 | CA2190731A1 Polymeric microbeads and method of preparation |
| 12/05/1995 | US5472616 Dispalcing strong basic groups with weaker anions |
| 11/16/1995 | WO1995030467A1 Chemically modified solid phase extraction particles and articles containing same |
| 11/14/1995 | US5466377 Chromatography media and their uses |
| 11/14/1995 | US5466368 Anion exchanger |
| 11/09/1995 | WO1995029754A1 Method of controlling density of ligand coupled onto supports and products produced therefrom |
| 11/07/1995 | US5464875 Process for preparing weakly-basic anion exchangers and reagents suitable for this purpose |
| 10/31/1995 | US5463035 Precipitation, chromatography using strongly basic anion exchange resin in borate form, crystallization |
| 09/27/1995 | CN1108968A Use of ion exchange resins loaded with quioolonecarboxylic acid derivatives |
| 09/26/1995 | US5453186 Separating materials |
| 09/20/1995 | EP0530258B1 Adsorbent medium |
| 09/12/1995 | CA1336973C Composite ion-exchange compositions for ion chromatography |
| 09/08/1995 | WO1995023885A1 Process for purifying aqueous solutions of tertiary amino oxides |
| 09/08/1995 | WO1995023827A1 Process for producing cellulose shaped bodies |
| 09/06/1995 | EP0670184A2 Method of demineralizing water or an aqueous solution |
| 08/30/1995 | EP0647160A4 Ion exchange resin. |
| 08/30/1995 | EP0417194B1 Method and apparatus for purifying hydrogen fluoride |
| 08/22/1995 | CA1336748C Reactive resins useful for precious metal recovery |
| 08/16/1995 | EP0666866A1 Method of isolating biomolecules by ion exchange |
| 08/15/1995 | US5441731 Compounds |
| 08/15/1995 | US5441689 Purification of aqueous solutions of an amine N-oxide by passage through a strongly basic anion-exchange resin |
| 08/15/1995 | US5441646 Process of removing sulfate ions from water with a poly(meth)acrylamide exchange resin |
| 08/10/1995 | WO1995021179A1 Endotoxin reduction or removal process |
| 08/10/1995 | WO1995021177A1 Process for producing endotoxin-free or endotoxin-poor nucleic acids and/or oligonucleotides for gene therapy |
| 08/01/1995 | US5438077 Base material of an insoluble crosslinked polymer having alcoholic hydroxyl groups with ion exchange groups of sulfonic acid or quaternary ammonium; excellent column permeability; capacity for binding proteins |
| 07/18/1995 | US5434255 Process for purifying fructose 1,6-diphosphate |
| 07/12/1995 | EP0662099A1 Heterogeneous membrane and method |
| 07/11/1995 | US5431908 Method for preparing polyhalide resin disinfectants |
| 07/11/1995 | US5431824 Method for removing suspended impurities |
| 07/06/1995 | WO1995017955A1 Adsorption material and method |
| 07/05/1995 | EP0660668A1 Iodine/resin disinfectant and a procedure for the preparation thereof |
| 06/29/1995 | WO1995017251A1 System and process for removing free and dissolved co2 from aqueous solutions |
| 06/14/1995 | EP0656919A1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents |
| 05/30/1995 | US5419816 Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions |