| 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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| 09/23/1980 | CA1086069A1 Recovery and purification of iridium |
| 09/09/1980 | US4221872 Process for removing unsaturation from ion exchange resins containing unquaternized amino groups by hydrogenation with imine |
| 09/09/1980 | US4221767 Recovery of lithium from brines |
| 08/12/1980 | US4217421 Anion exchange resins prepared from crosslinked polystyrenesulfonylchloride |
| 08/05/1980 | CA1082857A1 Treatment of effluents in a chlorine based pulp bleaching plant |
| 08/05/1980 | CA1082856A1 Process related to pulp bleaching |
| 07/22/1980 | US4213820 Separating eluate from anion exchange resin bed into fractions by color pattern |
| 06/10/1980 | US4207398 Process for preparing physically stable quaternary ammonium anion exchange resins by chloromethylation and amination in the absence of additional organic solvent |
| 06/10/1980 | CA1079130A1 Mineral carriers with cross-linked polymer on surface |
| 06/03/1980 | US4206048 Process for purification of contaminated water |
| 04/29/1980 | US4200612 Process for recovering acids and zirconium contained in pickling solutions |
| 04/29/1980 | CA1076362A1 Process for the recovery of vanadium and molybdenum |
| 04/22/1980 | US4199470 Material for recovering uranium and method for recovering a uranium solution of high purity and high concentration, using the same |
| 04/22/1980 | US4199449 Removal of bacteria |
| 04/22/1980 | CA1076047A1 Porous cellulose beads |
| 04/16/1980 | EP0009914A1 Process for the treatment of sugar solutions using ion exchange resins |
| 04/15/1980 | US4198395 Novel hypocholesterolemic resin |
| 04/15/1980 | US4198296 Process and apparatus for treating drinking water |
| 04/15/1980 | CA1075636A1 Recovery of zinc from residual solutions of electroplating |
| 04/02/1980 | EP0009397A1 Submicroscopic particles of anion exchange resin and anion exchange process using them |
| 04/02/1980 | EP0009395A1 Cation exchange process, certain cation exchange resins and materials useful therein and processes for their preparation |
| 03/19/1980 | EP0008921A1 Column chromatography and like processes and apparatus for the practice thereof |
| 03/11/1980 | US4192921 Crosslinked gel ion exchange resin beads characterized by strain birefringence patterns |
| 03/11/1980 | US4192920 Uniform polymer beads and ion exchange resins therefrom prepared by post-crosslinking of lightly crosslinked beads |
| 03/04/1980 | US4191814 Polychloromethylstyrene, poly-tert-amine |
| 02/06/1980 | EP0007792A1 Synthetic polymeric adsorbents and ion exchange resins, their production and processes using them |
| 02/06/1980 | EP0007791A1 Polymer beads containing vinylbenzyl alcohol units, their production, processes for thermally crosslinking them, the thermally crosslinked beads and adsorbents and ion exchange resin formed therefrom |
| 02/05/1980 | CA1071232A1 Process for the preparation of polyhydroxy methylene ethers and ion exchangers composed of the same |
| 01/29/1980 | US4186086 Weak base ion exchange resins of a polyalkylenepolyamine and polyepoxide |
| 01/22/1980 | CA1070121A1 Anion exchange resin for uranium technology |
| 01/15/1980 | US4184019 Oxidatively stable ion exchange resin condensation product of an epichlorohydrin and a polyamine |
| 01/15/1980 | CA1069843A1 Method of separating proteins by ion exchange |
| 12/11/1979 | CA1067703A1 Chromatographic separation of uranium isotopes |
| 12/04/1979 | US4177140 Cationic polymer ion exchanger |
| 12/04/1979 | CA1067648A1 Process for the production of anion exchangers |
| 11/20/1979 | US4175183 Hydroxyalkylated cross-linked regenerated cellulose and method of preparation thereof |
| 10/16/1979 | CA1064630A1 Process and apparatus for treating drinking water |
| 09/11/1979 | US4167610 Ion exchange products and processes using crosslinked allylamine copolymers |
| 08/07/1979 | USRE30066 Method for selectively removing chromates |
| 08/07/1979 | US4163716 Process for the purification of contaminated water |
| 07/31/1979 | CA1059661A1 Decolorization of effluents from pulp mills |
| 07/03/1979 | US4159930 Process for recovering heavy metal ions from dilute aqueous solution |
| 05/30/1979 | EP0002072A1 Removal of bacteria from liquids and apparatus therefor |
| 05/15/1979 | US4154676 Ion exchange process using activated regenerated cellulose |
| 05/15/1979 | US4154673 Ion exchanging dithionic acid anions |
| 05/08/1979 | CA1054128A1 Cellulose microcapsules and preparation thereof |
| 04/03/1979 | CA1051669A1 Method of recovery of the constituent elements of catalysts based of precious metals |
| 03/20/1979 | US4145304 Microporous resin coated with a nonionic detergent |
| 02/20/1979 | CA1049190A1 Strong anion exchange resins free of active chloride and method of preparation |
| 02/13/1979 | US4139684 Method for preparation of hydrophilic polymeric ion exchanging gels |
| 02/13/1979 | US4139459 Quinolizinium anion exchange resins and monomers and methods for making them |
| 02/13/1979 | CA1048692A1 Method for preparation of ion exchangers by alkylation and hydroxyalkylation of polymeric hydrophylic anion exchangers |
| 01/30/1979 | US4137264 Crosslinking, cationic exchange resins |
| 01/16/1979 | US4134861 Nitrate selective amidine ion exchange resins |
| 12/19/1978 | US4130625 Recovery and purification of iridium |
| 12/19/1978 | US4130512 Ion exchange materials |
| 12/12/1978 | US4129534 Poly(dimethylaminoethyl methacrylate) and method of preparation |
| 11/14/1978 | US4125550 Removal of free fatty acids from water immiscible fluids via ion exchange resins |
| 11/14/1978 | CA1042596A1 Method for preparation of anion exchangers by substitution of hydraulic polymeric gels |
| 11/14/1978 | CA1042572A1 Purification of water for boiler |
| 10/17/1978 | CA1040582A1 Ion exchange removal of dichromates in electrolysis |
| 10/03/1978 | US4118457 Redox uranium isotope separation using anion exchangers |
| 09/26/1978 | US4116857 Recovery of Mg++ from brines |
| 09/19/1978 | US4115260 Selective removal of iron cyanide anions from fluids containing thiocyanates |
| 09/19/1978 | CA1038562A1 Method of purifying effluents from forest industries |
| 09/05/1978 | US4112185 Polyamine-epoxide crosslinked polymer |
| 09/05/1978 | US4112044 Chromatographic separation of uranium isotopes |
| 09/05/1978 | US4111859 Method of preparation of ion exchangers by alkylation and hydroxyalkylation of polymeric hydrophilic anion exchangers |
| 08/29/1978 | US4110164 Adsorbed enzymes |
| 08/29/1978 | CA1037642A1 Process for the chloromethylation of styrene-divinylbenzene copolymers |
| 08/22/1978 | US4108744 Dialyzing, complexing with sodium chloride, ion exchanging |
| 08/15/1978 | US4107099 Borohydride exchange resins and their uses as reducing agents and in preparation of volatile metal hydrides |
| 08/15/1978 | US4107098 Halomethyoxirane is reacted with an imidazole compound-product reacted with polyfunctional epoxy compound |
| 08/15/1978 | CA1036723A1 Method or reducing the emission of organic substances from cellulose plants |
| 08/08/1978 | US4105442 Multistage; conversion with nitric acid to nitrosylruthenium complex, with hydrochloric acid to chloro complex, anion exchanging on resin |
| 07/18/1978 | US4101461 Method for preparation of anion exchangers by substitution of hydrophilic polymeric gels |
| 07/18/1978 | US4101460 High performance ion exchange composition |
| 07/11/1978 | US4100149 Method of separating proteins by ion exchange |
| 07/04/1978 | US4098691 Purification of water for boiler |
| 06/06/1978 | US4093567 Aminated crosslinked copolymers of bis(chloromethyl) styrene which exhibit improved anion exchange properties |
| 05/30/1978 | US4092398 Ion exchange apparatus for uranium technology |
| 04/04/1978 | US4082701 Sugar decolorizing quaternary ammonium acrylamide resins |
| 04/04/1978 | US4082564 Crosslinked quaternary ammonium acrylamide resin |
| 01/24/1978 | US4070234 Process related to pulp bleaching effluent purification using ion exchange resins |
| 01/17/1978 | US4069365 Crosslinked, ion exchanger |
| 01/17/1978 | US4069040 Method for recovery of platinum and iridium from catalysts |
| 10/04/1977 | US4052343 Crosslinked, macroreticular poly(dimethylaminoethyl methacrylate) ion-exchange resins and method of preparation by aqueous suspension polymerization using trialkylamine phase extender |
| 09/27/1977 | US4051221 Process for the separate recovery of vanadium and molybdenum |
| 09/20/1977 | US4049546 Decolorization of effluents from pulp mills |
| 09/06/1977 | US4046766 Quinolizinium resins and monomers and methods for making them |
| 08/23/1977 | US4043907 Process for treating waste photographic processing solutions |
| 08/02/1977 | US4039483 Method of producing an ion exchanger by reacting unsaturated vulcanized or powdered rubbers with iodine isocyanate and then introducing ion exchange groups by further reaction |
| 07/19/1977 | US4036751 Method of treating water containing chromate |
| 06/14/1977 | US4029734 Recovery of chromium values |
| 05/24/1977 | US4025467 Strong anion exchange resins free of active chloride and method of preparation |
| 04/19/1977 | US4018676 Removal of explosive materials from water by chemical interaction on strongly basic ion exchange resins |
| 03/29/1977 | US4014955 Process for the manufacture of polyethers containing ionic bonds |
| 12/28/1976 | US4000116 Process for the manufacture of polyethers containing ionic bonds |
| 12/28/1976 | US3999983 Method of recovering the constituents of catalysts comprising an aluminous carrier, platinum and iridium |
| 12/14/1976 | US3997706 Process for the chloromethylation of styrene-divinylbenzene copolymers |