Patents
Patents for B01J 39 - Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties (4,694)
06/2002
06/05/2002CN1085994C Process for producikng cellulose shaped bodies and regenerated aqueous solution of tertiary amine oxide
05/2002
05/30/2002WO2002042307A1 A system for extracting tetrodotoxin
05/30/2002WO2002029077A3 Method of preparing a modified corn steep liquor product
05/30/2002US20020063088 For producing high-purity water used as washing water in the manufacturing of semiconductor devices
05/29/2002EP1209197A1 Fluid composition for producing and repairing ion exchange membranes
05/29/2002CN1085561C Separation process for mixed wask-alkaline and weak acidic macroreticular anionic and cationic ion exchange resins
05/28/2002US6395069 Aqueous solution which can be used in an ion-exchange process
05/28/2002CA2155860C A novel process for the production of high purity and ultrapure bisphenol-a
05/23/2002WO2002040405A2 Treatment of nickel-containing waste water on phosphating
05/23/2002US20020060188 Comprises a lixiviator, an ion- exchange column, a diatomaceous silica-active carbon column, and a vacuum concentrator.
05/23/2002CA2429156A1 Treatment of nickel-containing waste water on phosphating
05/22/2002EP1084150A4 Carboxylic cationites and methods of manufacture
05/22/2002CN1350559A Styrene-containing popcorn polymers, method for producing same and utilization
05/16/2002US20020058715 Contacting alkali regenerating agent with both strongly acidic cation exchange resin and basic anion exchange resin, and contactingacid regenerating agent with strongly acidic cation exchange resin for regenerating ion exchange resins
05/16/2002US20020056686 Useful in electrophoresis, magnetic separations, and membrane separations
05/15/2002EP1205224A1 Chromatographic separation process
05/15/2002CN1084732C Purifying method for dimethylsulfoxide (DMSO)
05/15/2002CN1084731C Method for purifying dimethyl sulfoxide (DMSO)
05/10/2002WO2002036490A1 Dye loaded zeolite material
05/09/2002US20020053546 Comprises non-pillared mixed metal oxides; useful in ion exchanging
05/08/2002CN1347761A Method of preparing functional ion exchange fiber
05/07/2002US6384092 Process for the preparation of free-flowing strongly acidic cation exchangers
05/02/2002WO2002034675A1 Process for recovering onium hydroxides from solutions containing onium compounds
05/02/2002EP1201303A1 Cationic exchange resin
05/02/2002EP1201285A1 Method for fractionating sulphite cooking liquor
05/02/2002EP1200513A1 Device and method for derivatizing shaped bodies
05/02/2002EP1200340A1 Method for preparing highly stabilised hydroxylamine solutions
04/2002
04/30/2002US6379557 Ion exchanging
04/24/2002CN1345714A Process for preparing 3-hydroxy-propionaldehyde by acrolein hydration
04/24/2002CN1345713A Catalyst for preparing 3-hydroxy-propionaldehyde by acroleic hydration
04/18/2002WO2002031000A1 Method for producing stable cation exchangers in the form of a gel
04/18/2002US20020045010 Coating compositions for modifying hard surfaces
04/18/2002US20020043499 Composite matrices with interstitial polymer networks
04/18/2002DE10050680A1 Production of cation exchange resin beads for use e.g. in water purification, involves suspension polymerisation of styrene and divinylbenzene in presence of acrylonitrile followed by sulfonation in absence of swelling agent
04/17/2002CN1082836C Synthesized inorganic ion exchange material and detergent composition containing the same
04/16/2002US6372143 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
04/11/2002WO2002029077A2 Method of preparing a modified corn steep liquor product
04/11/2002WO2002028775A1 Macroporous foams comprising microporous zeolite or zeotype material and preparation thereof by using polymeric templates having sponge structure
04/11/2002WO2002028529A2 Ion exchanging resins for gold cyanide extraction
04/11/2002WO2002028526A1 Ion exchange illite and method for preparing the same
04/11/2002WO2002028196A2 Modified corn steep liquor product
04/10/2002EP1194238A1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
04/10/2002EP1194237A1 Silver or mercury exchanged macroporous organofunctional polysiloxane resins
04/10/2002CN1082402C System for providing ultra-high-purity buffered-HF for semiconductor processing
04/10/2002CN1082383C Process for separating cesium from industrial streams contg. other alkali metals using poly(hydroxyarylene) polymeric resins
04/09/2002CA2204112C Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins
04/04/2002WO2002027039A1 Recovering a monosaccharide from a solution using a weakly acid cation exchange resin for the chromatographic separation
04/04/2002WO2002027038A1 Use of a weakly acid cation exchange resin for chromatographic separation of carbohydrates
04/04/2002WO2002027037A1 A multistep process for recovering betaine, erythritol, inositol, sucrose, mannitol, glycerol and amino acids from a process solution using a weakly acid cation exchange resin
04/04/2002WO2002026344A1 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
04/04/2002WO2001098548A3 Chromatographic interseparation of platinum group metals
04/04/2002DE10056629C1 Production of a nickel-containing solution consisting of a phosphating bath overflow and/or rinsing water comprises phosphating using an acidic phosphatizing solution and optionally further metal ions and an accelerator
04/04/2002CA2423615A1 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
04/03/2002EP1192963A1 Adsorbents for high mobility group proteins and column for purifying body fluid
04/03/2002EP0789608B1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins
04/03/2002CN1081951C Use of ion exchange resins loader with quioolonecarboxylic acid derivatives
04/02/2002US6365683 Process for preparing monodisperse crosslinked bead polymers
03/2002
03/28/2002WO2002024335A2 Process for producing a strong-acid cation exchange resin
03/27/2002EP1190721A2 A method for the anhydrous loading of nicotine onto ion exchange resins
03/26/2002US6362240 Purification system for deionization and decoloration of starch sugars using ion-exchange resins; amphoteric compounds adsorbed by strongly acidic cation exchange resin
03/26/2002US6360589 Liquid chromatography and column packing material
03/26/2002CA2044518C Process for the fine purification of an aqueous alkali chloride solution for use in membrane electrolysis
03/19/2002US6358895 Fluid treatment process
03/14/2002WO2002020470A1 T-butoxycarbonylaminoethylamine for the synthesis of pna monomer units, amino acid derivatives, intermediates thereof, and processes for productions of them
03/13/2002EP1185349A1 Filters consisting of filter paper or paper-type nonwoven material
03/07/2002WO2002018464A2 Functionalized polymeric media for separation of analytes
03/07/2002WO2002018276A1 Apparatus and method for wastewater nutrient recovery
03/07/2002WO2002018029A1 Method for separating multivalent metal ions
03/07/2002WO2001072422A3 Method of removing organic iodides from organic media
03/07/2002WO2001068240A3 Composite matrices with interstitial polymer networks
03/07/2002US20020028288 Long lasting coatings for modifying hard surfaces and processes for applying the same
03/07/2002CA2421250A1 Method for separating multivalent metal ions
03/06/2002EP1183261A1 Method for separating analogous organic compounds
03/06/2002EP1007178A4 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography
03/06/2002CN1080140C Mixed-cation adsorbent production with single pass ion exchange
02/2002
02/28/2002WO2002016928A1 Method, device and kit for chemical species separation
02/28/2002US20020025466 Device for treating a fuel/coolant mixture
02/28/2002DE10037402A1 Vorrichtung zur Aufbereitung eines Kohlenwasserstoff-Wasser-Gemischs Apparatus for treating a hydrocarbon-water mixture
02/26/2002US6350614 System for monitoring and controlling, through automatically activated quenching system, excessive thermal build-up in ion exchange process treating liquid containing substance capable of undergoing exothermic reaction
02/21/2002US20020022671 Sulfonation process
02/21/2002US20020020671 Contacting with a H+ type cation exchange resin, a carbonate ion (CO32-) or bicarboante ion(HCO3-) anion exchange resin, and then a H+ type cation exchange resin
02/14/2002WO2001046087A3 Fertilizer, ion exchanger and method for the production thereof
02/13/2002EP1179057A2 pH DEPENDENT ION EXCHANGE MATRIX AND METHOD OF USE IN THE ISOLATION OF NUCLEIC ACIDS
02/07/2002US20020016469 Anhydrous purification of nicotine using an ion exchange resin
02/07/2002US20020015687 Method for the anhydrous loading of nicotine onto ion exchange resins
02/07/2002US20020015676 Passing a charged aqueous hydrogen peroxide solution containing impurities through a purifier tower packed with an ion exchange resin, a chelate resin or adsorption resin to thereby purify the charged aqueous hydrogen peroxide solution
02/06/2002EP1178553A2 Device for treating a fuel-coolant mixture in a fuel cell system
02/06/2002EP1177246A1 Polymer membrane and a process for the production thereof
02/06/2002EP1177226A1 Styrene-containing popcorn polymers, method for producing same and utilisation
02/06/2002EP1007192A4 Ion chromatographic method and apparatus using ion reflux
02/06/2002EP0797542B1 Process for forming alumino-silicate derivatives
02/05/2002US6344068 Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin
01/2002
01/31/2002US20020012626 Adding flocculating agent to aqueous hydrogen peroxide solution containing silicon oxide impurities, and filtering out impurities of solid content with a precision filter, contacting with anion exchange resin
01/30/2002EP1176143A1 Anhydrous purification of nicotine using an ion exchange resin
01/30/2002EP1175450A1 Sulphonated polymer resin and preparation thereof
01/30/2002CN1333088A Sullfonation method
01/24/2002WO2002005959A2 Adsorption method and ligands
01/24/2002DE10033585A1 Sulfonierungsverfahren Sulfonation process
01/23/2002EP0973608B1 Sorption agent containing nucleotide, for affinity chromatography
01/17/2002WO2002004086A1 Process for removing toxins from bodily fluids using zirconium or titanium microporous compositions
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