Patents
Patents for B01J 45 - Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties (1,510)
10/2002
10/31/2002WO2002085544A1 Use of ion binding ligands attached to solid supports and membranes for ion removal from a biological system
10/31/2002WO2002085486A1 Particulate solid supports functionalized with egta ligands
10/31/2002WO2002085481A2 Polymeric membranes functionalized with egta ligands
10/31/2002DE10121163A1 Heterodispersed chelate resin preparation, useful for removal of metals,comprises reaction of monomer droplets using initiator comprising peroxycarbonate, perester or peroxyester
10/30/2002EP1251920A1 Method and apparatus for metal removal by ion exchange
10/29/2002US6471866 Removing residual traces of multivalent cations using chelating guard column prewashed to remove organic contaminants; liquid chromatography
10/24/2002US20020155311 Polymeric membranes and other polymer articles having desired surface characteristics and method for their preparation
10/24/2002US20020153322 Contacting a biological solution containing with ligand binding compound to form complex; removing biological solution; testing for the occurrence of the biological function in said biological solution
10/23/2002EP1251144A1 Organic polymeric material, process for producing the same, and heavy-metal ion remover comprising the same
10/10/2002WO2002035581A3 Composite media for ion processing
10/03/2002WO2002077301A1 Metal ion extraction materials and processes using same
10/03/2002US20020143158 Purification of preferential protin from sample; provide methylated aspartate ligand complexed with a transiton metal, incubate with cell lysate, elute and recover preferential protein from column
10/03/2002US20020139753 Materials and methods for the separation of copper ions and ferric iron in liquid solutions
10/03/2002US20020139751 For affinity capture of biomolecules to meet needs for life sciences such as proteomics and drug discovery
10/03/2002CA2440977A1 Metal ion extraction materials and processes using same
09/2002
09/26/2002US20020137923 Per-(3,6-anhydro)cyclodextrins derivatives, preparation and use thereof for separating ions
09/25/2002EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
09/25/2002CN1371305A Method and installation for eliminating metal cations from liquid with polyazacloalkane resins grafted on support
09/19/2002US20020130084 Thiacrown polymers for removal of mercury from waste streams
09/12/2002WO2002070456A1 Benzene-1 2-diol mannich bases ligands polymers and method of selective metal ions removal
09/12/2002CA2439634A1 Benzene-1 2-diol mannich bases ligands polymers and method of selective metal ions removal
09/10/2002US6447684 Filtration and purification system for pH neutral solutions
09/05/2002US20020121470 Composite media for ion processing
09/04/2002EP1235747A2 Method for reducing metal ion concentration in brine solution
08/2002
08/29/2002WO2002066135A1 A microchip electrospray device and column with affinity adsorbents and use of the same
08/29/2002WO2002065982A2 Hair relaxer system and method therefor
08/29/2002US20020117448 Polythioethers may be copolymerized with divinylbenzene-styrene matrix; pollution control
08/29/2002CA2438247A1 A microchip electrospray device and column with affinity adsorbents and use of the same
08/27/2002US6441146 Affinity immobilized metal resins
08/22/2002US20020115566 Halogenated calixpyrroles, calixpyridinopyrroles and calixpyridines, and uses thereof
08/22/2002US20020114961 Solid-phase materials for chelating metal ions and methods of making and using same
08/20/2002US6436294 Water treatment with solution containing citric acid, sodium hydroxide, and sodium azide; said solution capable of forming a complex with metal ions (sodium, potassium, and/or magnesium) for pollution control
08/14/2002EP1231231A1 Material having separating function
08/14/2002EP1229977A1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions
08/13/2002US6432313 Method for concentrating, removing, and separating selected ions from source solutions using particulate solid supports functionalized with polyhydroxypyridinone ligands
08/08/2002WO2002061157A2 Silica-polyamine based extraction materials for the separation of copper ions and ferric iron in aqueous leach liquids
08/08/2002WO2002060824A1 Method for treating solution containing metal and/or metalloid
07/2002
07/30/2002US6426008 Method for reducing metal ion concentration in brine solution
07/25/2002WO2002040405A3 Treatment of nickel-containing waste water on phosphating
07/18/2002WO2002037100A3 Novel applications of nickel nitrilotriacetic acid (ni-nta) resin: hemeprotein removal, recovery, and purification from biological samples
07/11/2002WO2002053269A1 Method of separating isotopes
07/10/2002CN1087194C Compound for ligand containing sulfur and electron withdrawing group removed ions from solutions
07/03/2002EP1218104A1 Method and installation for eliminating metal cations from a liquid with polyazacycloalkane resins grafted on a support
07/03/2002EP0731730B1 Polyazacycloalkanes, tri, tetra or pentaazamacrocyclic complexes grafted to a support
07/02/2002US6413621 Polymeric membranes and other polymer articles having desired surface characteristics and method for their preparation
06/2002
06/26/2002EP1216096A1 Filtration and purification system for ph neutral solutions
06/25/2002US6410656 Styrenesulfonic acid polymer
06/25/2002US6410143 Polyazacycloalkanes, tri-, tetra- or penta-azamacrocyclic complexes, processes for the production of these substituted or unsubstituted polyazacycloalkanes grafted to a support and uses of polyazacycloalkanes and the aforementioned complexes
06/20/2002WO2001014252A3 Method for reducing metal ion concentration in brine solution
06/19/2002EP1215332A1 Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber
06/11/2002US6403726 Water soluble polymer containing dithiocarbamate functionalities
06/11/2002US6402960 Divinylbenzene-styrene resin with pendant thiacrown group; cost-effective water pollution control
06/05/2002CN1352713A Metal chelate-forming fiber, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber
05/2002
05/30/2002WO2002041989A1 Metal-chelating adsorbents and their use
05/29/2002CN1351521A Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same
05/23/2002WO2002040405A2 Treatment of nickel-containing waste water on phosphating
05/23/2002CA2429156A1 Treatment of nickel-containing waste water on phosphating
05/15/2002CN1084732C Purifying method for dimethylsulfoxide (DMSO)
05/10/2002WO2002037100A2 Novel applications of nickel nitrilotriacetic acid (ni-nta) resin: hemeprotein removal, recovery, and purification from biological samples
05/08/2002EP1202857A1 Polymeric membranes functionalized with polyhydroxypyridinone ligands
05/02/2002WO2002035581A2 Composite media for ion processing
05/02/2002WO2001005717A9 Combined oxidation and chelating adsorption system for removal of mercury from water
05/01/2002CN1346805A Use of monodisperse ion exchange agent for removing As/Sb
04/2002
04/23/2002CA2053058C Polytetraalkylammonium and polytrialkyamine containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions
04/18/2002DE10049807A1 Verwendung monodisperser Ionenaustauscher zur Arsen-/Antimonentfernung Use of monodisperse ion exchangers for arsenic / antimony removal
04/16/2002US6372903 Method for preparing polyazacycloalkanes grafted on silica gel and use of grafted compounds
04/11/2002US20020042495 Reaction product of a hydroxymethylated polyamide ligand and a polymerization and/or crosslinking agent
04/11/2002US20020042450 Absorption using anionic polymer
04/10/2002EP1195199A1 Use of monodispersed ion exchangers for removing arsenic and antimony
04/10/2002CN1082383C Process for separating cesium from industrial streams contg. other alkali metals using poly(hydroxyarylene) polymeric resins
04/09/2002CA2358225A1 Use of monodisperse ion exchangers for arsenic and/or antimony removal
04/09/2002CA2204112C Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins
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
04/03/2002EP1051257B1 Method for preparing polyazacycloalkanes grafted on silica gel and use of grafted compounds
04/03/2002EP0789608B1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins
03/2002
03/28/2002WO2001081365A3 Metal chelating compositions
03/28/2002US20020036169 Matched Ion Polynucleotide Chromatography separation particles; contacting surfaces are material which does not release multivalent cations into aqueous solutions held therein or flowing therethrough
03/26/2002CA2007311C Process of removing and concentrating desired ions from solutions thereof
03/21/2002WO2002023176A1 Improvements in and relating to sensors
03/21/2002WO2001068729A8 Compositions and methods for selectively binding amines or amino acid enantiomers over their counter-enantiomers
03/21/2002US20020035216 Adsorption of metal compounds
03/20/2002EP1187854A1 Per(3,6-anhydro)cyclodextrin derivatives, preparation and use thereof for separating ions
03/20/2002CN1341176A Fiber capable of forming metal chelate process for producing the same, method of trapping metal ion with the fiber, and method chelate fiber
03/07/2002WO2002018050A1 Complexing structure, device and method for treating liquid effluents
03/07/2002CA2419807A1 Complexing structure, device and method for treating liquid effluents
03/06/2002EP1183327A1 Metal chelating filters and metal chelate filters
03/06/2002EP1007178A4 Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography
02/2002
02/28/2002US20020026047 For use in Hydrogen Bonding Liquid Chromatography, environmental remediation by removal of undesired ions or neutral molecules, removal of phosphate for kidney dialysis, drug delivery, separation
02/28/2002US20020023867 making a cantilever using lithographic techniques and forming microscopic electrodes at a distal end of the cantilever by sputtering and gas-assisted etching processing using a focused charge particle beam
02/27/2002CN1337923A Composition and method for simultaneously precipitating metal ions from semiconductor waste water and enhancing microfilter operation
02/14/2002US20020019491 Separation of enantiomorphs
02/13/2002EP1179627A1 Fiber capable of forming metal chelate, process for producing the same, method of trapping metal ion with the fiber, and metal chelate fiber
02/13/2002EP1179367A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same
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
02/05/2002US6344068 Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin
01/2002
01/31/2002US20020011446 Process for modifying the metal ion sorption capacity of a medium and modified medium
01/17/2002WO2002005033A1 Method of reducing metal ion content of film-forming resins using a liquid/liquid centrifuge
01/16/2002EP1171389A1 Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation
01/02/2002EP1167290A2 Process for producing purified aqueous hydrogen peroxide solution and apparatus
01/02/2002CN1328956A Method and equipment for preparation of purified hydrogen peroxide aqueous solution
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