| 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) |
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| 12/03/1997 | EP0810435A2 Detectable molecules, method of preparation and use |
| 11/19/1997 | EP0757589A4 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 11/12/1997 | CN1164830A Process for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 10/30/1997 | WO1997040088A1 Process for producing finely divided, water-insoluble aziridine polymers |
| 10/30/1997 | DE19616120A1 Verfahren zur Herstellung von feinteiligen wasserunlöslichen Polymerisaten von Aziridinen, modifizierte, wasserunlösliche Polymerisate von Aziridinen und ihre Verwendung Process for the preparation of finely divided water-insoluble polymers of aziridines, modified, water-insoluble polymers of aziridines and their use |
| 10/16/1997 | WO1997037995A1 Calixpyrroles, calixpyridinopyrroles and calixpyridines |
| 10/16/1997 | CA2251072A1 Calixpyrroles, calixpyridinopyrroles and calixpyridines |
| 10/09/1997 | DE19613280A1 Separating species of metal ions |
| 10/08/1997 | EP0799486A1 Process for decontaminating radioactive materials |
| 09/17/1997 | EP0795039A1 Use of a solvent impregnated crosslinked matrix for metal recovery |
| 09/16/1997 | US5668079 Chemically active ceramic compositions with an hydroxyquinoline moiety |
| 09/03/1997 | EP0515646B1 Anion exchanger |
| 08/20/1997 | EP0789608A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 08/12/1997 | US5656702 Water pollution control |
| 07/23/1997 | CN1154875A Method for removing ions from solution using sulfur-contained composite body containing electrophilic base bound to solid-phase hydrophilic substrate |
| 07/08/1997 | US5646296 Polymerizable bis-imidazolyl compounds; water treatment |
| 07/01/1997 | USH1661 Cationic ion exchange resin, regeneration with strong acid and converting resin back to the sodium form |
| 07/01/1997 | US5644064 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |
| 06/25/1997 | CN1152477A Process of removing ions from solutions using a complex with sulfur-containing electron-attrating group combined on hydrouphilic substrate |
| 06/10/1997 | US5637728 Metal ion binding monomer and polymer |
| 06/04/1997 | CN1151128A Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 04/29/1997 | US5624881 Chemically active ceramic compositions with a pyrogallol moiety |
| 04/08/1997 | US5618433 Processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes |
| 04/01/1997 | US5616533 Reacting support with a silane linking compound; attaching a chelating compound; useful for removing heavy metal ions from waste streams |
| 03/25/1997 | US5614165 Process for purification of hydrogen peroxide |
| 03/20/1997 | WO1997010367A1 Recovery of gold using extraction reagents having guanidyl functionality |
| 03/20/1997 | CA2231725A1 Recovery of gold using extraction reagents having guanidyl functionality |
| 03/12/1997 | EP0588941B1 Treating rhodium and/or ruthenium and iridium containing solutions |
| 02/25/1997 | US5605994 Polymers containing bis-imidazolyl units; metal scavengers |
| 02/25/1997 | US5605993 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |
| 02/12/1997 | EP0757589A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 01/28/1997 | US5597850 Open-celled cellulosic sponge containing polyethyleneimine |
| 01/28/1997 | US5597489 Radial flow through compartment packed with contaminant removing media between inner and outer screens |
| 01/21/1997 | US5595652 Regenerated cellulose, chelation polymer |
| 01/07/1997 | US5591346 Water treatment process |
| 12/05/1996 | WO1996038220A1 Process for recovery of metal ions |
| 11/27/1996 | CN1136469A Oxygen selective absorbent |
| 11/26/1996 | US5578217 Use a solvent impregnated crosslinked matrix for metal recovery |
| 11/21/1996 | WO1996036435A1 Composition of matter |
| 11/21/1996 | CA2221612A1 Composition of matter |
| 10/31/1996 | WO1996033815A1 Process for separating multivalent metal ions from autodeposition compositions |
| 10/31/1996 | CA2217699A1 Process for separating multivalent metal ions from autodeposition compositions |
| 10/29/1996 | US5569729 Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particularly to the complexing of metal ions |
| 09/19/1996 | DE19509575A1 Working up waste mixt. to separate zinc and chromium fractions |
| 09/18/1996 | EP0731730A1 Polyazacycloalkanes, tri, tetra or pentaazamacrocyclic complexes grafted to a support |
| 09/06/1996 | WO1996026904A1 Method for removing contaminants from water |
| 08/28/1996 | EP0729066A1 Removal of tin from seasoned photographic color developers |
| 08/20/1996 | US5547760 Compositions and processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes |
| 07/31/1996 | EP0723543A1 Metal ion binding monomer and polymer |
| 06/27/1996 | WO1996019812A1 Process for decontaminating radioactive materials |
| 06/27/1996 | CA2208033A1 Process for decontaminating radioactive materials |
| 06/11/1996 | US5525315 Process for removing heavy metal ions with a chelating cation exchange resin |
| 06/06/1996 | WO1996017095A1 Use of a solvent impregnated crosslinked matrix for metal recovery |
| 06/04/1996 | US5522996 Contacting with tris/pyridylalkyl/amine ligand, removing formed complex |
| 05/17/1996 | WO1996014125A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 05/15/1996 | EP0711598A2 Oxygen-selective sorbents |
| 04/18/1996 | WO1996011056A1 Polyazacycloalkanes, tri, tetra or pentaazamacrocyclic complexes grafted to a support |
| 04/10/1996 | EP0705793A1 Procedure for treatment of zinc and chronium containing mixtures like waste water, process water, galvanic sludges, or similar |
| 04/04/1996 | WO1996009985A1 Chemically active ceramic compositions with a thiol and/or amine moiety |
| 04/04/1996 | WO1996009885A1 Chemically active ceramic compositions with a pyrogallol moiety |
| 04/04/1996 | WO1996009884A1 Chemically active ceramic compositions with an hydroxyquinoline moiety |
| 03/19/1996 | US5500126 Process for removal of metal ions from aqueous solutions |
| 03/14/1996 | DE4435774C1 Sepn. of zinc from solns. and slurries contg. chromium, esp. waste water or galvanic slurry |
| 02/27/1996 | US5494647 Use of Chelex-100 for selectively removing Y-90 from its parent Sr-90 |
| 02/27/1996 | US5494582 Removal of selenium from water by ion-exchange |
| 02/13/1996 | US5491048 Removal of tin from seasoned photographic color developers |
| 12/28/1995 | WO1995035165A1 Immobilised branched polyalkyleneimines |
| 12/20/1995 | EP0538315B1 Porous, non-particulate matrix permeable to convection |
| 11/14/1995 | US5466876 Process for the removal of corrosion metal contaminants from liquid compositions |
| 11/14/1995 | US5466368 Anion exchanger |
| 11/14/1995 | US5466297 Cleaning a corroded ferrometal system |
| 11/07/1995 | US5464559 Composition for treating water with resin bound ionic silver |
| 11/02/1995 | WO1995029008A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 11/02/1995 | CA2188649A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes |
| 10/24/1995 | US5460724 Simplified, precise dosing and mixing of liquid regeneration agent |
| 10/03/1995 | US5455359 Metal ion binding monomer and polymer |
| 09/28/1995 | WO1995025573A1 Treating water with resin bound ionic silver |
| 09/26/1995 | US5453201 Water treatment process |
| 08/29/1995 | US5446182 Selective for noble metals |
| 08/29/1995 | CA1336834C Proton ionizable macrocyclic compounds and selective competitive separation of desirable metal ions from mixtures thereof with other ions |
| 08/22/1995 | CA1336748C Reactive resins useful for precious metal recovery |
| 08/10/1995 | WO1995021011A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions |
| 08/10/1995 | CA2182885A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions |
| 08/09/1995 | EP0666577A1 Magnetic particles, a method for the preparation thereof and their use in the purification of solutions |
| 08/01/1995 | US5437797 Filtration; decolorizing; chelating both organic and inorganic mercury compounds with a macroporous, cross-linked polystyrene resin having polyisothiouronium groups |
| 07/25/1995 | CA1336439C Sulfur-containing hydrocarbon compounds and process of using same in recovering and concentrating desired ions from solutions thereof |
| 07/20/1995 | WO1995019321A1 Water treatment process |
| 07/12/1995 | EP0662344A1 Extraction of metal ions from an aqueous solution |
| 06/07/1995 | CN1103397A Process for the removal of corrosion metal contaminants from liquid compositions |
| 04/26/1995 | EP0621801A4 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions. |
| 04/19/1995 | EP0558644B1 Methods for the preparation of molecular sieves, including zeolites, using metal chelate complexes |
| 04/13/1995 | WO1995009854A1 Metal ion binding monomer and polymer |
| 03/29/1995 | EP0644799A1 Process of removing ions from solutions using a complex with sulfur-containing hydrocarbons also containing electron withdrawing groups bonded to a solid hydrophilic matrix |
| 02/14/1995 | CA1334401C Sulfur and nitrogen-containing hydrocarbon compounds and process using same in recovering and concentration desired ions from solutions thereof |
| 01/25/1995 | EP0635489A1 Polyether derivatives of five membered heterocycles, their polymers and their application for the complexation of metal ions |
| 01/17/1995 | CA2128133A1 Polyether and pentacyclic heterocycles derivatives, their polymers and their applications, notably for complexation of metallic ions |
| 12/13/1994 | US5372717 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 12/06/1994 | US5370798 Forming a clathrate compound with a cyclic inulooligosaccharide having 6 to 8 molecules of fructose |
| 12/05/1994 | CA2124547A1 Process for the separation of uranium compound |
| 11/30/1994 | EP0626342A1 Process for purification of hydrogen peroxide |