| 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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| 12/28/1982 | US4366261 Chromium oxide in ion exchange resin |
| 12/15/1982 | EP0066630A1 Composite adsorbent molding and process for manufacturing same |
| 12/08/1982 | EP0066074A1 Polymeric tertiary and secondary organosiloxane-amines, process for producing them and their use |
| 12/01/1982 | EP0065687A2 Process to carry out catalytic reactions in an aqueous medium |
| 12/01/1982 | EP0065643A1 Polymeric ammonium compounds with a silica-like structure, process for producing them and their use |
| 11/16/1982 | US4359537 Emulsion copolymer anion exchange resins |
| 11/02/1982 | CA1134997A1 Method for preparing high density ion exchange resins, an resins derived from said method |
| 10/26/1982 | US4356236 Spherically shaped material comprising acylated product of de-N-acetylated chitin |
| 10/19/1982 | US4355117 Ion exchange properties |
| 10/13/1982 | EP0062088A1 A method for preparing an ion-exchange resin in the form of large spheroidal beads from seed beads |
| 10/05/1982 | CA1132803A1 Ion exchange process for the recovery of uranium |
| 09/28/1982 | US4351909 A microporous synthetic resin substrate, and synthetic resin particles |
| 09/14/1982 | CA1131624A1 Spherically shaped material comprising acylated product of de-n-acetylated chitin |
| 09/07/1982 | US4348297 Crystalline lithium aluminates |
| 09/07/1982 | US4348295 Complexing hydrous alumina with lithium salt |
| 08/31/1982 | US4347327 Recovery of lithium from brines |
| 08/25/1982 | EP0058358A1 Improved anion-exchange chromatographic packing composition |
| 08/25/1982 | EP0058357A1 Improved chromatographic analytical column for anion determination |
| 08/24/1982 | CA1130500A1 Polymeric adsorbents from macroreticular polymer beads |
| 08/24/1982 | CA1130499A1 Anion exchange resins prepared from crosslinked polystrenesulfonyl chloride |
| 08/03/1982 | US4342839 Method of manufacture of ion exchange resins |
| 07/20/1982 | US4340496 Anion exchange chromatographic composition for separation of polyfunctional compounds |
| 06/30/1982 | EP0054778A2 Process for preparing an anion exchanger, and its use |
| 06/29/1982 | CA1126481A1 Recovery of lithium from brine |
| 06/24/1982 | WO1982002006A1 Composite adsorbent molding and process for manufacturing same |
| 06/23/1982 | EP0054461A1 Process for purifying gallium solutions |
| 06/15/1982 | US4334949 Ion exchanging with strongly basic ion exchange resin |
| 06/15/1982 | CA1125931A1 Process for removing cationic substances from aqueous solutions |
| 06/08/1982 | US4333846 Transition metal aluminates |
| 06/08/1982 | CA1125264A1 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles |
| 06/02/1982 | EP0052795A2 Process for reducing the concentration of carbonate in an aqueous solution and process for etching |
| 05/05/1982 | EP0051044A2 Cationic adsorbent, process for its preparation and its use in removing anionic products from aqueous solutions |
| 05/05/1982 | EP0050813A1 Counter-current adsorption filter for treating liquids and process for its operation |
| 04/27/1982 | US4327191 Preparation of anion exchange resins by bromination of vinyl aromatic polymers |
| 04/27/1982 | US4326961 Magnesium aluminate anion exchangers |
| 03/30/1982 | US4322542 Reaction of a silica and an aminoalkylene silanetriol |
| 03/09/1982 | CA1119590A1 Purification of sugars using emulsion anion exchange resins |
| 02/17/1982 | EP0045824A1 Ion exchange material, its preparation and use |
| 02/17/1982 | EP0045823A1 Fibrous ion exchange materials, their production and use |
| 01/19/1982 | US4311799 Novel basic cross-linked polymers |
| 01/12/1982 | US4310631 Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers |
| 01/06/1982 | EP0043159A1 Porous inorganic support material coated with an organic stationary phase, for use in chromatography, and process for its preparation |
| 01/05/1982 | CA1115732A1 Basic monomer, preparation thereof and basic polymer prepared therefrom |
| 12/30/1981 | EP0042813A2 Anionic absorbents, process for their preparation and their use in removing cationic agents and heavy-metal ions from aqueous solutions |
| 12/29/1981 | US4308254 Material able to fix reversibly biologial macromolecules, its preparation and its application |
| 12/22/1981 | CA1114987A1 Resins |
| 12/15/1981 | CA1114176A1 Process for recovering heavy metal ions from dilute aqueous solution |
| 12/02/1981 | EP0040940A2 The production of ion exchange resins, the resins so produced and ion exchange processes using them |
| 12/01/1981 | CA1113648A1 Recovery of lithium from brines |
| 11/24/1981 | US4302548 Differing functionalities and hydraulic densities |
| 11/18/1981 | EP0040124A1 Hydrophilic copolymers based on N-tris(hydroxy-methyl)methylacryl amide, process for their preparation, aqueous gel of these copolymers and their use as ion exchangers |
| 11/03/1981 | US4298500 Rapid separation of multi-sited biopolymers |
| 10/28/1981 | EP0038720A1 Liquid chromatography apparatus and method employing ion concentration |
| 10/27/1981 | US4297220 Macroreticulated copolymer adsorption process |
| 09/22/1981 | US4291001 Using an ion exchange resin, aluminate composite |
| 09/22/1981 | US4290892 Tetra-substituted amino silane bonded to porous packing material |
| 09/16/1981 | EP0035515A1 Purification process for spent pickling baths |
| 09/08/1981 | CA1108515A1 Resin and method for removing antimicrobials from body fluids |
| 08/25/1981 | CA1107480A1 Acid and zirconium content extraction process from pickling solutions |
| 08/11/1981 | US4283499 Peroxyester and peroxydicarbonate catalysts in preparing ion exchange resins |
| 08/11/1981 | CA1106576A1 Process for removing so.sub.2 from effluent gases and for removing heat stable salts from systems in which they accumulate using an anion exchange resin |
| 07/29/1981 | EP0032671A2 Anion exchangers, process for their manufacture and their use |
| 07/29/1981 | EP0032563A1 A process for increasing the lithium content obtained from lithium solutions using lithium aluminates/resin composites |
| 07/14/1981 | CA1104775A1 Anionic microporous resin of hypocholesterolemising action |
| 07/08/1981 | EP0031586A2 Functionalised carbonaceous adsorbents, which may be ion exchange materials or precursors thereof,processes of making and using them |
| 06/23/1981 | US4275227 Synthesis of water soluble cross-linkers and their use in the manufacture of anionic polymers |
| 06/16/1981 | US4273878 Polyamine-crosslinked anion exchange resin |
| 05/27/1981 | EP0029253A1 Process for improving the formation of hydrous alumina dispersed within a weak base anion exchange resin and use of the composite prepared for the recovery of Li+ from brine |
| 05/26/1981 | CA1101678A1 Separation and purification of ruthenium |
| 05/19/1981 | CA1101591A1 Material for recovering uranium and method for recovering a uranium solution of high purity and high concentration, using the same |
| 05/12/1981 | US4267159 Cyanide recovery |
| 05/05/1981 | US4265768 Ion exchange material prepared from partially pyrolyzed macroporous polymer particles |
| 04/28/1981 | CA1100241A1 Removal of bacteria |
| 04/21/1981 | US4263146 Contacting with anionic cellulose |
| 03/19/1981 | WO1981000728A1 Purification process for spent pickling baths |
| 03/18/1981 | EP0025385A1 Preparation of anion-exchange resins by bromination of vinylaromatic polymers, and products obtained |
| 03/17/1981 | US4256840 Macroreticular cation exchange beads and preparation of same |
| 03/03/1981 | CA1096978A1 Selective removal of iron cyanide anions from fluids containing thiocyanates |
| 02/24/1981 | US4252644 High performance ion exchange composition and the removal and separation of ions therewith |
| 02/03/1981 | US4248797 Reacting vinylbenzyl chloride /p-/ with methylamine |
| 02/03/1981 | CA1095190A1 Method for removing a weak acid from an aqueous solution |
| 02/03/1981 | CA1094813A1 Recovery of chromium values |
| 01/27/1981 | US4247648 Methylquinoline anion exchange resin based on haloalkyl vinyl aromatic polymers |
| 01/27/1981 | US4247340 Purification of sugars using emulsion anion exchange resins |
| 01/21/1981 | EP0022620A1 Aluminophosphorous compound, process for producing same and its use |
| 01/20/1981 | US4246355 Ion exchange processes and products |
| 01/20/1981 | CA1093992A1 Agglomerated fibrous cellulose |
| 01/07/1981 | EP0021750A1 Production of spherically shaped material made of chitin derivative |
| 01/06/1981 | US4243555 Composition for recovery of MG++ from brines |
| 12/30/1980 | US4242097 Method and apparatus for quantitative analysis of weakly ionized anions or cations |
| 12/23/1980 | US4241026 Quaternary ammonium with hydroxyalkyl groups on resin, non-interferering chloride ions |
| 12/23/1980 | CA1092149A1 Removal of free fatty acids from water immiscible fluids via ion exchange resins |
| 12/09/1980 | US4238294 Process for recovering heavy metal ions or heavy metal ions and halogen values from solutions comprising a lower aliphatic monocarboxylic acid |
| 11/25/1980 | US4235972 High crush strength heterogeneous ion exchange resins of crosslinked polymers having vinyl halide monomer polymerized therein |
| 11/25/1980 | US4235717 Process for desalting an aqueous caustic solution |
| 11/04/1980 | US4232125 Aminoalkylation of aromatic polymers using aldehyde, diacylamine and strong acid catalyst |
| 11/04/1980 | US4231864 Fixing acetate anions to ion exchange resin |
| 10/21/1980 | CA1088007A1 Cationic type material capable of reversibly fixing biological macromlecules, processes for preparation thereof and application |
| 09/30/1980 | US4225677 Process for the chloromethylation of polymers for the production of anionic exchange resins |
| 09/23/1980 | US4224415 Polymerization processes and products therefrom |