| 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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| 01/20/1988 | EP0252958A1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes. |
| 01/19/1988 | CA1231615A1 Stabilized polybromide resins and method of preparation |
| 01/12/1988 | US4719242 Used in fluidized beds |
| 01/12/1988 | US4719241 Used in fluidized beds |
| 01/12/1988 | US4718946 Selective removal of sulfonic resin extractables with acrylic anion exchange resins |
| 12/09/1987 | EP0248558A2 Improvements in or relating to ion exchange material |
| 11/24/1987 | US4708804 Method for recovery of cyanide from waste streams |
| 11/24/1987 | US4708794 Installation and apparatus for treating a liquid, in particular for demineralizing water passing through a bed of active granular material which is compacted in a high position and which is periodically regenerated by a reverse flow |
| 11/11/1987 | EP0244998A1 Method for clarifying and stabilizing cell-culture media |
| 11/10/1987 | US4705637 Process for reducing the wash water requirement of weakly basic anion exchangers |
| 11/05/1987 | WO1987006492A1 Chromatographic apparatus and process |
| 10/27/1987 | CA1228695A1 Copolymer process and product therefrom |
| 10/20/1987 | US4701366 Controlled pore size for forming cylindrical posts; vapor deposition, masking, etching or grinding |
| 10/20/1987 | CA1228351A1 Ionically modified cellulose material, its preparation and its use |
| 10/07/1987 | EP0240143A2 A process for removing fluoride and phosphorus type contaminants from acidic waste water |
| 10/06/1987 | US4698153 Supercritical carbon dioxide to remove projections from resin surface |
| 09/30/1987 | EP0239565A2 Method of separating proteins |
| 09/23/1987 | CN86101680A Process for anion exchange resin of low interconnection, high exchange capacity and high mechanical strength |
| 09/08/1987 | US4692431 Treating with titanium or zirconium oxychloride, used as ion exchanger |
| 08/24/1987 | EP0211895A4 Method for purifying antihemophilic factor. |
| 08/13/1987 | DE3603602A1 Process for preventing the formation of CaSO4 deposits on the semipermeable membrane used in reverse osmosis |
| 07/30/1987 | WO1987004369A1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes |
| 07/07/1987 | CA1223742A1 Regeneration of crystalline lithium aluminates |
| 07/01/1987 | EP0226667A1 Process for reducing the nitrate content in water |
| 06/16/1987 | US4673734 Porous mineral support coated with an aminated polysaccharide polymer |
| 06/16/1987 | EP0225535A2 Cross-linked copolymers in pearl form containing epoxy and basic amino groups, process for their preparation and their use |
| 06/09/1987 | US4671879 Process for reducing the nitrate content in water |
| 05/05/1987 | US4663163 Modified polysaccharide supports |
| 04/28/1987 | US4661282 Mixed metal oxides and partially hydrated oxides, coprecipitation |
| 04/22/1987 | EP0219414A1 Regeneration of an ion exchange resin bed for the removal of nitrates from water |
| 04/07/1987 | US4655909 Ion exchange units, regeneration; batch operation |
| 03/11/1987 | EP0213719A2 Low-rinse, high-capacity, weakly basic acrylic ion exchange resins process for preparing them, and their use in removing anions from a liquid |
| 03/04/1987 | EP0211983A1 Crystalline 3-layer lithium aluminates |
| 03/04/1987 | EP0211895A1 Method for purifying antihemophilic factor |
| 02/24/1987 | CA1218239A1 Process for rhenium recovery |
| 02/10/1987 | US4642193 Ion exchanging with hydrotalcite |
| 01/24/1987 | CN85101496A High density ion exchange resin for molybdenum recovery |
| 01/15/1987 | WO1987000072A1 Method for recovery of cyanide from waste streams |
| 01/07/1987 | EP0207782A1 Novel composition of matter |
| 01/07/1987 | EP0207707A2 Inorganic anion exchangers and preparation thereof |
| 12/30/1986 | EP0206799A2 Inorganic anion exchangers and preparation thereof |
| 12/30/1986 | EP0205575A1 High capacity, oxidatively stable polyamine ion exchange resins and process for preparation thereof. |
| 12/16/1986 | US4629741 Chromium oxide in ion exchange resins and use to remove multivalent metal cations from solutions of at least 1% salinity |
| 12/10/1986 | EP0204036A1 Anisotropic microporous supports impregnated with polymeric ion-exchange materials |
| 12/03/1986 | CN85104153A Synthesis of acrylate type weakly basic anionic ionexchange resin |
| 11/18/1986 | CA1214167A1 Process for preparing cyclic n-vinylacylamines |
| 11/04/1986 | US4621103 Aminopolyol anion exchange resins for separation isotopes |
| 10/29/1986 | EP0199335A2 Process for removing metal complexes from waste solutions |
| 10/29/1986 | EP0199104A2 The production of potassium sulphate |
| 10/29/1986 | CN86101411A Removal of iodide compounds from non-aqueous organic media |
| 10/28/1986 | CA1213400A1 Ion exchange resins for uranium recovery |
| 10/07/1986 | US4615806 Removal of iodide compounds from non-aqueous organic media |
| 10/07/1986 | CA1212368A1 Spherical ion exchange resin, method for producing the same and method for adsorption treatment using the same |
| 10/01/1986 | EP0196173A1 Removal of iodide compounds from non-aqueous organic media |
| 09/30/1986 | US4614592 Process for removing mercury from aqueous solutions |
| 09/17/1986 | EP0194766A1 Cationic fibres suitable for ion-exchange materials and their production |
| 09/15/1986 | EP0179133A4 Process for the preparation of ion exchange resins using seeded polymerization technology. |
| 09/02/1986 | US4609713 Anion exchange resins |
| 08/19/1986 | CA1209785A1 Compositions |
| 08/14/1986 | WO1986004486A1 Method for purifying antihemophilic factor |
| 08/06/1986 | EP0189864A1 Process for increasing enzyme adsorption |
| 07/30/1986 | CN85108570A Method for preparation of anion exchange resins having very low chlorine content |
| 07/17/1986 | WO1986003988A1 High capacity, oxidatively stable polyamine ion exchange resins and process for preparation thereof |
| 07/15/1986 | CA1207950A1 Ion exchange resins |
| 06/10/1986 | US4594369 Process for producing corrosion inhibiting particles |
| 06/10/1986 | US4594361 Stabilized polybromide resins and method of preparation |
| 06/04/1986 | EP0183158A2 Method for preparation of anion exchange resins having very low chlorine content |
| 05/28/1986 | EP0182081A2 Process to prevent corrosion damages in water pipes |
| 05/27/1986 | US4591640 Method for cross-linking of agar products |
| 04/30/1986 | EP0179133A1 Process for the preparation of ion exchange resins using seeded polymerization technology |
| 04/29/1986 | US4585800 Process for preparing anion exchange resins by amination of haloalkylated polymers in the presence of metal halide and metal hydroxide |
| 03/18/1986 | US4577013 Microcrystalline wood cellulose, n-methylolamide compound, reversible absorber, chromatography |
| 03/18/1986 | US4576973 Copolymer, process for its preparation and its use as a sorbent |
| 03/18/1986 | US4576969 Spherical ion exchange resin having matrix-bound metal hydroxide, method for producing the same and method for adsorption treatment using the same |
| 03/05/1986 | EP0173484A2 Process for the separation of gadelinium isotopes |
| 02/25/1986 | US4572823 Eluting from ion excgange resin with hydrogen chloride solution containing cadium and zinc, dichloride |
| 02/11/1986 | US4569765 Chromium oxide in ion exchange resin |
| 02/11/1986 | CA1200364A1 Gypsum conversion |
| 02/10/1986 | CN85100884A High-efficiency anion microspheres resin |
| 02/04/1986 | US4568467 Passing through ion exchange resin charged with a weakly polar active group |
| 01/28/1986 | US4567207 Polymeric material adapted for physico-chemical separation of substances and method for producing same |
| 01/22/1986 | EP0168622A2 Ion exchange resins |
| 01/15/1986 | EP0168215A2 A process for producing corrosion inhibiting particles |
| 01/15/1986 | EP0167957A2 Process for isolating water soluble acid compounds |
| 01/14/1986 | US4564644 Ion exchange resins prepared by sequential monomer addition |
| 01/10/1986 | CN85100892A Preparation of paper mould ion-exchange membrane and its application in water purification |
| 01/08/1986 | EP0167488A2 Ionically modified polysaccharides, process for their preparation and their use |
| 01/02/1986 | EP0166015A1 Fluorcarbon anion exchangers and processes for their preparation |
| 12/31/1985 | US4561976 For domestic use, molecular sieves, ion exchange resin, activated carbon |
| 12/27/1985 | EP0165831A1 Installation and process for treating a liquid, particularly for demineralising water flowing through a bed of granular, active material compacted in an upper position and periodically regenerated in counter-current |
| 12/18/1985 | EP0164670A2 Process for lowering the rinse water consumption of weakly basic ion exchangers |
| 11/19/1985 | US4554376 Method for separating and purifying amino acid |
| 11/07/1985 | WO1985004885A1 Process for the preparation of ion exchange resins using seeded polymerization technology |
| 11/06/1985 | EP0085604B1 Highly productive process for the preparation of alpha-acetoxy alpha-methyl-n,n'-diacetyl malonamide |
| 10/09/1985 | EP0157410A2 Cholesterol level-lowering agents |
| 10/02/1985 | EP0156597A2 Process for the extraction of dilute amounts of carboxylic acids from liquid solutions |
| 09/24/1985 | US4543363 Ion exchanger having hydroxyl groups bonded directly to backbone skeleton |
| 09/10/1985 | US4540509 Crystalline 3-layer lithium aluminates |
| 09/04/1985 | EP0153910A1 Method for cross-linking of agar products |
| 08/28/1985 | EP0152500A1 Ion exchange resins containing post-deposited metal oxides |