Patents
Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418)
12/2001
12/20/2001US20010052495 Method and apparatus for the removal of arsenic from water
12/19/2001EP1163050A1 Porous inorganic/organic hybrid particles for chromatographic separations and process for its preparation
12/19/2001EP1163045A1 Positively charged membrane
12/19/2001EP0666866B1 Method of isolating biomolecules by ion exchange
12/13/2001WO2001094014A1 Method of preparing fixed bed of acid cation-exchange resin
12/06/2001WO2001092149A1 Method for the purification of hydrogen peroxide solutions
12/06/2001WO2001046686A3 Chromatography material and a method using same
12/06/2001US20010047966 Filtering sample of digested natural sources such as cells or cell fragments using filter the pore size of which decreases in direction of flow of sample through filter
12/05/2001EP1160260A1 Porous polymer particle, anion exchanger, producing method thereof, column for ion chromatography, and method for measuring anions
12/05/2001EP1159995A2 Packing material for solid phase extraction and solid phase extraction method
11/2001
11/29/2001DE10026363A1 Verfahren zur Aufreinigung von Wasserstoffperoxidlösungen A process for purification of hydrogen peroxide solutions
11/27/2001US6322695 Superior wetting and performance; selectivity poly(divinylbenzene-co-n-vinylpyrrolidone) optionally sulfonated
11/22/2001WO2001087483A1 Anion-exchange resin
11/21/2001EP1155055A1 Aqueous dispersions of fluoropolymers
11/15/2001WO2001038227A3 A method for anion-exchange adsorption and anion-exchangers
11/15/2001US20010041751 Mixture containing nonionic dispersant and free-radical catalyst
11/14/2001CN1321640A Method for separating and recovery of protein and isoflavone from plant raw material
11/07/2001CN1321139A Zinc modified composite polybasic salt, process for producing same and use
11/07/2001CN1321138A Composite polybasic salt, process for producing same, and use
10/2001
10/30/2001US6310199 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
10/25/2001WO2001078881A1 Apparatus and method for isolating and/or eliminating solutes from a solution
10/25/2001US20010033931 Inorganic portion such as silica and a polysilsesquioxane-polysilicate copolymer; enhanced pore geometry, and may also be surface modified, for more efficient chromatographic separations
10/17/2001EP1143982A2 Method for preparing membrane vesicles
10/11/2001WO2001074420A1 Adsorbents for high mobility group proteins and column for purifying body fluid
10/10/2001EP0692038B1 Preparation of poly(m-phenylene isophthalamide) filaments
10/02/2001US6297371 Cytolysing raw cells, applying to anion exchanger which begins desorbing dna and rna at different ionic strengths, then eluting nucleic acids and/or oligonucleotides; treating preparation at first or last step to remove endotoxin
10/02/2001US6296829 Process for the aqueous purification of hydrogen peroxide containing impurities
09/2001
09/20/2001WO2001068891A1 Method of purifying shikimic acid
09/20/2001WO2001068240A2 Composite matrices with interstitial polymer networks
09/20/2001CA2403275A1 Composite matrices with interstitial polymer networks
09/18/2001US6290854 Contacting condensate water containing colloidal iron by contacting with sulfonated ion exchange resin comprising copolymer beads having interpenetrating polymer network of multiple polymer components
09/13/2001WO2001066607A1 Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the same
09/13/2001WO2001066606A1 Crosslinked anion-exchange resin or salt thereof
09/13/2001WO2000042225A9 Process for the separation of sugars
09/12/2001CN1312833A Modification of engineering-polymers with basic N groups and ion-exchange groups in the side chain
09/11/2001US6288243 Desalting, ion exchange resin. elution and isolation
09/07/2001WO2001064579A1 Method for recovering hydrogen fluoride
09/07/2001WO2001064342A1 Polymeric anion exchanger resins and their use in chromatographic methods
09/07/2001CA2400722A1 Polymeric anion-exchanger resins and their utilization in chromatographic procedures
09/06/2001DE10009982A1 New anion-exchange resin, useful particularly for isolating plasmid DNA, prepared by reacting acrylic acid derivative with specific crosslinking agent
09/05/2001EP1129994A1 Zinc-modified composite polybasic salt, process for producing the same, and use
08/2001
08/21/2001US6277648 Process and a device for the isolation of cell components such as nucleic acids from natural sources
08/16/2001WO2001058576A1 Graft polymeric membranes and ion-exchange membranes formed therefrom
08/16/2001WO2001021269A3 Carbon dioxide absorption unit and regeneration method for said unit
08/16/2001US20010014650 Adsorption, desorption of targeted nucleic acids
08/16/2001EP1123912A1 Process for eliminating dissolved oxygen from phenol
08/16/2001DE10005770A1 Verfahren zur Entfernung von gelöstem Sauerstoff aus Phenol A process for the removal of dissolved oxygen from phenol
08/15/2001CN1069605C Method and device for removing formic acid and acetic acid from water of glycol production
08/10/2001CA2334473A1 Process for the removal of dissolved oxygen from phenol
08/08/2001EP0932582B1 Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange resin
08/07/2001US6270970 Mixed-bed solid phase and its use in the isolation of nucleic acids
07/2001
07/26/2001US20010009928 Preparing monodisperse monomer droplets in aqueous suspension from a monomer mixture 1 comprising styrene, divinylbenzene, the free radical generator, microcapsulating monomer droplets, polymerizing, adding monomer mixture 2, penetrating
07/26/2001US20010009661 Preparing an iodine demand disinfectant by contacting at high temperature and pressure a porous strong base anion exchange resin in salt form with iodine or polyiodide ion absorbable by the resin to form the polyiodide-resin
07/25/2001EP1118589A2 Method and system for on-site halogen treatment of aqueous solutions
07/25/2001EP1118585A2 Electrolytic process and apparatus for the controlled oxidation or reduction of inorganic and organic species in aqueous solutions
07/17/2001US6261497 Polytetrafluoroethylene resin chromatography membrane, heating, calendering and sintering
07/12/2001WO2001049602A1 Purifying aqueous hydrogen peroxide solutions on ion-exchanging resins
07/12/2001WO2001049389A1 Method and apparatus for metal removal by ion exchange
07/12/2001DE19962577A1 Chromatographiematerial und Verfahren unter Verwendung desselben The same chromatographic and methods using
07/11/2001CN1303363A Method for recovering fluorinated alkanoic acids from waste water
07/11/2001CN1303356A Method for recovering fluorinated alkanoic aoids from waste water
07/11/2001CN1134403C Method for recovering fluorinated alkanoic acid from waste water
07/05/2001US20010006985 Mixed-bed type sugar solution refining system and regeneration method for such apparatus
07/05/2001DE19962197A1 Absorber, vorzugsweise Stoff zur Aufnahme und/oder zum Austausch von Ionen Absorber, preferably material for receiving and / or exchange of ions
07/04/2001EP1112960A1 Composite polybasic salt, process for producing the same, and use
06/2001
06/28/2001WO2001046686A2 Chromatography material and a method using same
06/28/2001WO2001046087A2 Fertilizer, ion exchanger and method for the production thereof
06/27/2001EP1110982A1 Process for the production of monodispersed crosslinked polymer pearls/beads
06/26/2001US6251996 Interpenetrating polymer network
06/26/2001US6251964 Biocompatible compositions
06/21/2001WO2001004053A9 Composite polybasic salt, process for producing the same, and use
06/20/2001EP1108471A2 Method for separating metal ions from a solution
06/19/2001US6248798 Chromatographic analyzing; separation of carbohydrates
06/14/2001WO2001041928A1 Improvements in or relating to ion exchangers
06/14/2001WO2001041927A1 Antimicrobial synthetic ion exchange resins
06/14/2001WO2001041584A1 Process for separation of whey proteins using a novel anion exchanger
06/14/2001US20010003481 Process and equipment for recovering developer from photoresist development waste and reusing it
06/14/2001CA2393660A1 Improvements in or relating to ion exchangers
06/14/2001CA2393270A1 Process for separation of whey proteins using a novel anion exchanger
06/13/2001EP1105433A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
06/12/2001US6245128 Process for the reclamation of spent alkanolamine solution
06/07/2001WO2001040117A1 Fluorine removal by ion exchange
06/07/2001WO2001039879A1 Adsorbent for peptidoglycan and method and apparatus for adsorptively removing peptidoglycan
05/2001
05/31/2001WO2001038516A1 Method for purifying plasmid dna by anion-exchange chromatography
05/31/2001WO2001038228A1 A method for anion-exchange adsorption and thioether anion-exchangers
05/31/2001WO2001038227A2 A method for anion-exchange adsorption and anion-exchangers
05/31/2001WO2001037987A1 A method for selective removal of a substance from samples containing compounds having nucleic acid structure
05/31/2001CA2392374A1 A method for selective removal of a substance from samples containing compounds having nucleic acid structure
05/25/2001WO2001036338A1 Process and system for treatment of waste streams containing water-soluble polymers
05/22/2001US6235197 Electrochemically regenerated ion neutralization and concentration devices and systems
05/16/2001EP0984897B1 Method for preparing an ultrapure hydrogen peroxide solution by ion exchange in the presence of ion acetate
05/10/2001WO2001032563A1 Method for recovering fluorinated emulsifiers
05/10/2001DE19953285A1 Verfahren zur Rückgewinnung fluorierter Emulgatoren A process for the recovery of fluorinated emulsifiers
05/10/2001CA2387781A1 Method for recovering fluorinated emulsifiers
05/09/2001EP0979131A4 Large capacity acid or base generator and method of use
05/03/2001WO2001030495A1 Ion exchange resins and methods of making the same
05/02/2001EP1095905A1 Process for purification of aqueous solutions of hydrogen peroxide
05/01/2001US6225129 E.g. for chromatographic analysis of anions.
04/2001
04/26/2001WO2001029105A1 Material having separating function
04/26/2001WO2001028651A1 Treatment of extraction solvent to remove acid contaminants
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