| 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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| 08/03/2000 | WO2000044389A2 Method for preparing membrane vesicles |
| 08/03/2000 | CA2360752A1 Method for preparing membrane vesicles |
| 08/01/2000 | US6096216 Iodinated matrices for disinfecting biological fluids |
| 07/25/2000 | US6093324 Purification of immunoglobulins |
| 07/20/2000 | WO2000042225A1 Process for the separation of sugars |
| 07/19/2000 | EP1019192A2 Method for producing an anion-exchanging mineral and use of said mineral |
| 07/19/2000 | EP0812339B1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same |
| 07/19/2000 | CN1260736A Method for deionization of substances that are not stable at acidic pH |
| 07/18/2000 | US6090288 Using an anion exchanger having ligands containing a primary, secondary or tertiary amino group covalently bound to the matrix, e.g. agarose, and 2 or 3 carbons from the matrix are an hydroxyl group or amine; high elution ionic strength |
| 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 |
| 06/23/2000 | CA2256923A1 Kraft pulping process |
| 06/22/2000 | WO2000035971A1 Aqueous dispersions of fluoropolymers |
| 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 | DE19857111A1 Wäßrige Dispersionen von Fluorpolymeren Aqueous dispersions of fluoropolymers |
| 06/14/2000 | EP1007192A1 Ion chromatographic method and apparatus using ion reflux |
| 06/14/2000 | CN1053394C Weak-base anion-exchange resin and preparing method thereof |
| 06/08/2000 | WO2000033367A1 Wet cleaning apparatus |
| 06/07/2000 | EP1005477A2 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 05/31/2000 | EP1004323A1 Method for producing immunoglobulin preparations |
| 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. |
| 05/18/2000 | DE19852666A1 Verfahren zur Herstellung von monodispersen gelförmigen Anionenaustauscher A process for producing monodisperse gel-type anion exchanger |
| 05/17/2000 | EP1000660A1 Method for producing monodispersed gel-like anion exchangers |
| 05/09/2000 | US6060526 Mixed bed ion exchange resin system and method of preparation |
| 05/09/2000 | US6060525 For use in ion exchange chromatography that can remove borate from the analyte stream prior to detection and thus reduce peak tailing |
| 05/09/2000 | US6059975 Crosslinked polymer beads |
| 05/03/2000 | EP0996594A1 Process for the removal of pentavalent arsenic from water |
| 04/26/2000 | EP0971779A4 Process for removing selenium from selenium-containing waste streams |
| 04/19/2000 | EP0994070A1 Process for purifying an aqueous hydrogen peroxyde solution containing impurities |
| 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 |
| 04/05/2000 | EP0805713B1 Process and apparatus for purification of contaminated acids |
| 04/04/2000 | US6045820 Iodinated strong base anion exchange resin antiseptic particles attached to a carrier material whereby the antiseptic leaves no halogen residue in sterilized fluid or bodily wound sites |
| 03/29/2000 | EP0988063A2 Process for reducing the concentration of viral and molecular pathogens in a biological material |
| 03/22/2000 | EP0987245A1 A method of preparing 2- and 4-hydroxymandelic acid |
| 03/21/2000 | US6039876 Hydrophilic polystrene divinylbenzene based matrixes for chromatography |
| 03/21/2000 | CA2024758C Shaped bodies of macroporous ion exchange resin and method of using same |
| 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 |
| 03/08/2000 | 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 |
| 02/24/2000 | WO2000009588A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain |
| 02/24/2000 | WO1999054441A8 Efficient purification of adenovirus |
| 02/24/2000 | CA2338606A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain |
| 02/23/2000 | EP0866815B1 Biocompatible compositions |
| 02/22/2000 | US6028023 Heat treating and rehydrating clay mixture to form hydrotalcite-like compound having higher hardness and/or density for use as sulfur oxide adsorbent |
| 02/22/2000 | US6027643 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |
| 02/17/2000 | DE19836514A1 Modification of engineering polymers with N-basic groups and ion exchange groups in the side chain gives membranes of good thermal and mechanical stability useful for fuel cells, diffusion dialysis, electrodialysis, and reverse osmosis |
| 02/16/2000 | EP0979131A1 Large capacity acid or base generator and method of use |
| 02/09/2000 | EP0977620A1 Electrochemically regenerated ion neutralization and concentration devices and systems |
| 01/19/2000 | EP0971779A1 Process for removing selenium from selenium-containing waste streams |
| 01/12/2000 | EP0969908A2 Method for separating bi-213 from a solution of radionuclides |
| 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 |
| 01/05/2000 | EP0968037A1 Fluid-treatment device |
| 12/22/1999 | EP0964878A1 Hydrolytically stable resins for use in anion-exchange chromatography |
| 12/21/1999 | CA2079720C Process for monitoring and controlling an alkanolamine reaction process |
| 12/16/1999 | WO1999064480A1 Novel ion exchange porous resins for solid phase extraction and chromatography |
| 12/15/1999 | EP0743949B1 Process for producing endotoxin-free or endotoxin-poor nucleic acids and/or oligonucleotides for gene therapy |
| 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 | WO1999062858A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 12/09/1999 | WO1999062830A1 Method for recovering fluorinated alkanoic acids from waste waters |
| 12/09/1999 | DE19824615A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater |
| 12/09/1999 | DE19824614A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater |
| 12/09/1999 | CA2334105A1 Process for the recovery of fluorinated alkanoic acids from wastewater |
| 12/02/1999 | WO1999061904A1 Packing material for chromatography having novel characteristic and method for isolation of substance using the same |
| 11/24/1999 | EP0656919B1 Porous copolymers having a cellular polymeric structure suitable for preparing ion-exchange resins and adsorbents |
| 11/17/1999 | EP0883573A4 Removal of borate in chromatography |
| 11/16/1999 | US5985152 Method of preventing corrosion in a water system |
| 11/09/1999 | US5980856 Adsorbing agents of acidic substances, anion exchangers, infrared absorption agents for agricultural films, deodorants and recording media for ink jet |
| 11/09/1999 | US5980827 Passing air containing airborne microorganisms through air path means and disinfecting air in said path means by passing air over demand disinfectant resin such that airborne microorganisms contact said resin and are devitalized thereby, |
| 11/09/1999 | US5980753 Process for recovering volatile acids |
| 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 | CN1233534A Chemical conversion method for preparing magnetic anion exchange resin |
| 11/02/1999 | US5976487 Process for purifying an aqueous solution of hydrogen peroxide |
| 10/28/1999 | WO1999054441A1 Efficient purification of adenovirus |
| 10/28/1999 | WO1999054366A1 Method for producing osmotically and mechanically stable gel-like anion exchangers |
| 10/28/1999 | DE19817679A1 Production of gelatinous anion exchangers useful for purifying water or sugar solution or removing heavy metal complex |
| 10/27/1999 | CN1233230A Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange |
| 10/20/1999 | EP0883574A4 Anion-exchange resins with at least two different nitrogen containing ion-exchange groups |
| 10/19/1999 | US5968362 Hydrolysis of cellulose and hemicellulose with concentrated acid, then chromatograpically adsorbing acid from sugar-containing solution while eluting sugar, neutralization of acid residue and heavy metal impurities with lime |
| 10/19/1999 | CA2189553C Chemically modified solid phase extraction particles and articles containing same |
| 10/14/1999 | WO1999051724A1 PURIFICATION OF HUMAN ACID α-GLUCOSIDASE |
| 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 |
| 10/12/1999 | CA2099184C Process for the purification of an aqueous solution of an alkaline metal chloride to remove iodine contained herewith |
| 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 |
| 09/29/1999 | EP0944717A1 Method for producing recombinant adenovirus |
| 09/23/1999 | WO1999047227A1 Removal of contaminants from biological products |
| 09/21/1999 | US5954965 Process for producing pure water |
| 09/16/1999 | DE19810947A1 Removal of biological contaminants from biological products using anion-exchange membrane |
| 09/15/1999 | EP0910460A4 Iodinated matrices for disinfecting biological fluids |
| 09/08/1999 | EP0939779A1 Anion exchange materials and processes |
| 09/07/1999 | US5948265 Ion-exchanger, process for production thereof, and process for removal of multiply charged anions employing the ion-exchanger |
| 09/01/1999 | EP0938356A1 Ion chromatographic method and apparatus using a combined suppressor and eluent generator |