| Patents for B01J 41 - Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties (3,418) |
|---|
| 07/03/1990 | US4938874 Tannin/lignin removal system |
| 06/20/1990 | EP0373852A2 Compounds |
| 06/13/1990 | CA2004706A1 Compounds |
| 06/12/1990 | US4933372 Porous rigid resins and process of preparation |
| 06/12/1990 | CA1270226A1 Method for forming composite polymer films |
| 06/06/1990 | EP0371746A2 Method of separating proteins |
| 05/31/1990 | WO1990005588A1 Method for preparation of anion exchange resins having very low chlorine content |
| 05/29/1990 | US4929381 Inorganic anion exchangers and preparation thereof |
| 05/28/1990 | CA2004093A1 Method of separating proteins |
| 05/22/1990 | US4927539 High performance anion-exchange chromatographic packing composition consisting of low porosity synthetic resin gel particle substrate coated with liquid water-soluble aminated resin |
| 05/17/1990 | WO1990005114A1 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/09/1990 | EP0367492A2 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/02/1990 | EP0366252A1 Porous rigid resins and process of preparation |
| 05/02/1990 | EP0365635A1 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins. |
| 04/11/1990 | EP0363126A2 Method for the purification of vitamin K-dependent proteins |
| 04/10/1990 | US4915928 Process for removing selenium from wastewater effluent |
| 04/04/1990 | EP0361685A1 Ion exchange resins |
| 04/04/1990 | CN1040994A Ion exchange resins having short diffusion paths |
| 02/28/1990 | EP0355966A1 An improved method of ion exchange and apparatus for carrying out said method |
| 02/21/1990 | CN1039738A Anion exchanger |
| 02/20/1990 | US4902413 Organic-based porous microspheres for HPLC |
| 02/13/1990 | US4900520 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 01/30/1990 | CA1265115A1 Inorganic anion exchangers and preparation thereof |
| 01/30/1990 | CA1264919A1 Inorganic anion exchangers and preparation thereof |
| 01/24/1990 | EP0351621A1 Process for preparing bifunctional anion exchange resins, the bifunctional anion exchange resins and their use |
| 01/23/1990 | CA1264722A1 Micro-porous superlattice material |
| 01/09/1990 | US4892938 Method for the recovery of steviosides from plant raw material |
| 12/13/1989 | EP0346037A1 Composite ion-exchange compositions for ion chromatography |
| 12/12/1989 | US4886606 Using crosslinked vinylbenzyl using crosslinked vinylbenzyl chloride polymer |
| 12/06/1989 | EP0252958B1 Process for the preparation of equigranular ion exchange resins for analytical and preparative purposes |
| 12/05/1989 | US4885418 Treating with a water-containing anion exchanger in the oh form |
| 11/30/1989 | WO1989011321A1 Method and apparatus for purifying hydrogen fluoride |
| 11/15/1989 | EP0341556A1 Organic-based porous microspheres for HPLC |
| 11/07/1989 | CA1262798A1 Method for preparation of anion exchange resins having very low chlorine content |
| 11/07/1989 | CA1262797A1 High capacity, oxidatively stable polyamine ion exchange resins and process for preparation thereof |
| 10/25/1989 | CN1036516A Isolated material |
| 10/19/1989 | WO1989009651A1 Fine particles of porous ion-exchange cellulose, process for their production, and affinity carrier |
| 10/19/1989 | WO1989009643A1 Novel crosslinked cellulose chromatography media |
| 10/18/1989 | EP0337144A1 Separation materials |
| 10/10/1989 | CA1262300A1 Interface beads for mixed-bed ion exchange resins |
| 10/03/1989 | US4871397 Using aminated chloromethylated ion exchange resin |
| 09/27/1989 | EP0333984A2 Process for the preparation of polyglycerins |
| 09/26/1989 | US4869819 Adsorption of organic acids produced by fermentation bacteria on a ion exchange separator; desorption by bicarbonate for conversion by methanogenic bacteria |
| 09/21/1989 | WO1989008718A1 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins |
| 08/29/1989 | US4861705 Method for removing components of biological fluids |
| 08/17/1989 | DE3804099A1 Process for treating ammonia-containing solutions |
| 08/16/1989 | EP0327796A2 Shaped polymeric organosiloxane-ammonium compounds, process for their preparation and their use |
| 08/15/1989 | US4857599 Modified dense star polymers |
| 07/18/1989 | CA1257468A1 Process for producing corrosion inhibiting particles |
| 07/11/1989 | US4847362 Method for purifying antihemophilic factor |
| 06/13/1989 | CA1255827A1 Polysaccharide supports |
| 06/13/1989 | CA1255819A1 Process for reducing the wash water requirement of weakly basic anion exchangers |
| 06/13/1989 | CA1255818A1 Liquid treating installation and process, namely for the demineralisation of water passing through a dense bed of active granular material in the upper stage, and periodic counterflow regeneration |
| 05/24/1989 | EP0316492A1 Polymeric matrix for affinity chromatography and immobilization of ligands |
| 05/11/1989 | DE3736561A1 Verfahren zur herstellung von ionenaustauscherharzen oder adsorbensharzen unter anwendung von ueberdruck Process for the preparation of ion exchange resins or adsorbensharzen under application of excess pressure |
| 04/25/1989 | US4824575 Ion-exchanging |
| 04/19/1989 | EP0312242A2 Ion exchanger based on cross-linked glucomannan |
| 04/12/1989 | EP0310827A1 Process for the removal of metal halides from liquid, organic compounds not miscible with water |
| 04/05/1989 | EP0309861A2 Process for the manufacture of synthetic resins having anionic exchange properties |
| 02/28/1989 | US4808233 Using aluminum or gallium salts to prevent deterioration |
| 02/21/1989 | US4806244 Combined membrane and sorption process for selective ion removal |
| 02/15/1989 | EP0302948A2 Process for obtaining steviosides from plants |
| 02/01/1989 | CN1030762A Process for extracting stevioside from plant material |
| 01/11/1989 | CN1030198A Preparation technology of iodine dibromide compound anion resin and its intermediate iodine bromide |
| 01/04/1989 | EP0297994A2 Process for the chromatographic separation, especially of isotopes or ions with the aid of ion exchange resin coatings and suitable resins for the process |
| 01/03/1989 | US4795565 Ion exchange resins |
| 01/03/1989 | US4795563 Nitrate adsorption unit |
| 12/28/1988 | EP0296926A1 Composite polymers, their preparation and their use in liquid chromatography |
| 12/28/1988 | CN88103473A 10n exchange resins loaded with quinolonecarboxylic acid derivatives their preparation and use |
| 12/21/1988 | EP0295495A1 Ion exchange resins loaded with quinoline carboxylic acid derivatives, their preparation and use |
| 12/13/1988 | US4791063 Removal of contaminants from biological fluids |
| 11/30/1988 | EP0292662A2 Process for demineralizing a sugar-containing solution |
| 11/29/1988 | US4788223 Low-rinse, high-capacity, weakly basic acrylic ion exchange resin |
| 11/17/1988 | EP0291033A1 Preparation of 4-pentenoates by isomerization |
| 11/15/1988 | US4785020 Two step amination of haloalkyl polymers |
| 11/15/1988 | US4784882 Fusion of multilayer fluoropolymers having ion exchange site |
| 11/01/1988 | US4781836 Hydrolysis, ion exchange, methanogenesis |
| 10/25/1988 | US4780239 Ion exchange resin for immobilizing radioactive waste |
| 10/11/1988 | US4777042 Cholesterol level-lowering agents |
| 10/11/1988 | CA1242862A1 Derivatized polystyrene and other supports for spectroscopic studies |
| 09/20/1988 | US4772635 Bead-shaped crosslinked copolymers containing epoxide groups and basic amino groups, a process for their preparation and their use |
| 09/14/1988 | EP0282177A2 Anion exchange resin with an acrylic resin outer layer |
| 09/13/1988 | US4770788 Ion exchanging |
| 09/13/1988 | US4770781 Purification of human interleukin-1 species |
| 08/30/1988 | US4767670 Chromatographic supports for separation of oligonucleotides |
| 08/16/1988 | CA1240521A1 Recovery of cyanide from waste waters by an ion exchange process |
| 08/09/1988 | CA1240450A1 Removal of iodide compounds from non-aqueous organic media |
| 07/27/1988 | EP0276138A2 Chromatographic supports for separation of oligonucleotides |
| 07/19/1988 | US4758413 Reactive resins useful for precious metal recovery |
| 07/06/1988 | CN86108388A Synthesis of marcopore double functional group anion exchange resin |
| 06/29/1988 | CN86108390A Preparation of secondary ammonium tungstate with high purity using two-step ion exchange method |
| 06/28/1988 | US4753983 Polymeric matrix for affinity chromatography and immobilization of ligands |
| 06/21/1988 | CA1238445A1 Copolymer, process for its preparation and its use as a sorbent |
| 05/18/1988 | EP0267282A1 Chromatographic apparatus and process |
| 05/10/1988 | US4743680 Method for purifying antihemophilic factor |
| 03/29/1988 | US4734200 Process for removal of fluoride and phosphorus-type contaminants from acidic wastewater |
| 03/22/1988 | US4732609 Water treatment, complexing |
| 02/24/1988 | EP0256840A2 Process for separation of acids and corresponding acid metal salts |
| 01/27/1988 | EP0254137A1 Process for preventing the corrosion of apparatus |
| 01/20/1988 | EP0253287A1 Combined membrane and sorption process for selective ion removal |