| Patents for B01J 47 - Ion-exchange processes in general; Apparatus therefor (4,635) |
|---|
| 12/04/1990 | US4975201 Using ion exchange resin; nuclear power plants |
| 12/04/1990 | CA1277448C Process for the removal of elemental oxygen by means of a reducing agent in a coolant circulating in one or more closed circulations, and apparatus for the removal of elemental oxygen |
| 11/29/1990 | WO1990014311A1 Method of water treatment |
| 11/29/1990 | DE3916805A1 Ion exchange is monitored and/or controlled |
| 11/28/1990 | EP0399809A1 Process for solute recovery utilizing recycle liquids having a stored concentration profile |
| 11/28/1990 | CN2066352U 多功能离子交换器 Multifunction ion exchange |
| 11/27/1990 | US4973607 Cation exchange resins incorporating antioxidants |
| 11/26/1990 | CA2017538A1 Process for solute recovery utilizing recycle liquids having a stored concentration profile |
| 11/13/1990 | US4969983 Apparatus and process for the removal of acidic and basic gases from fluid mixtures using bipolar membranes |
| 10/24/1990 | CN2064265U U-shaped combined ion-exchanger |
| 10/23/1990 | US4965289 Substrate and process for making a substrate |
| 10/23/1990 | US4964970 Compact low volume water purification apparatus |
| 10/23/1990 | US4964960 Carboxyl/sulfonyl copolymer membrane; electrolysis efficiency |
| 10/18/1990 | WO1990011829A1 Process for the elimination of undesirable substances in a liquid without modification of its characteristic composition and device for implementing said process |
| 10/16/1990 | US4963436 Coated porous mullite bodies |
| 09/26/1990 | EP0388670A2 Cation exchange reinforced membrane and process |
| 09/20/1990 | WO1990010643A1 Structures for the transfer of charges, application to the transport of energy and the conversion of a gradient, in particular ofchemical origin |
| 09/19/1990 | EP0388158A1 Composite filter apparatus and method for removing low concentrations of metal contaminants from water |
| 09/17/1990 | CA2011657A1 Composite filter apparatus and method for removing low concentrations of metal contaminants from water |
| 09/13/1990 | DE3937689A1 Combined reactor for ion-exchange processes for e.g. deionised water - filtering and ion-exchange are carried out within single reactor vessel to reduce prodn. cost and maintenance |
| 09/11/1990 | US4956071 Electrodeionization apparatus and module |
| 09/05/1990 | EP0385587A1 Ion-exchange composition employing resin attachment to dispersant and method for forming the same |
| 09/05/1990 | EP0385427A2 Cation exchange membrane reinforced with a cation exchange fabric |
| 08/31/1990 | CA2010844A1 Cation exchange reinforced membrane and process |
| 08/31/1990 | CA2010843A1 Cation exchange membrane reinforced with a cation exchange fabric |
| 08/29/1990 | CN2061171U 树脂分离器 Resin Separator |
| 08/29/1990 | CN1009335B Bipolar membranes and methods of making same |
| 08/28/1990 | US4952386 Filtration, extraction, ion-exchanging, regeneration |
| 08/21/1990 | CA1273149A1 Process for treating a liquid involving cation exchange and selective removal of nitrate ions from the liquid, and ion exchange resin mixtures suitable for use therein |
| 08/21/1990 | CA1273148A1 Ion exchange resin mixtures and their use in cation exchange processes |
| 08/09/1990 | DE3903343A1 Process for waste water purification by ion exchanger resins |
| 07/25/1990 | EP0379116A2 Electrodeionization apparatus and module |
| 07/17/1990 | CA1271726A1 Pre-expanded ion exchange membranes |
| 07/04/1990 | EP0376126A2 Improvements in water purification systems |
| 06/29/1990 | CA2006895A1 Water purification systems |
| 06/27/1990 | EP0252912B1 Immobilised extractants |
| 06/26/1990 | US4937001 Periodically removing and reapplying magnetic field |
| 06/19/1990 | US4935142 Apparatus for retaining variable number of sheet membrane elements and a method for the use thereof |
| 06/13/1990 | CN2058183U Modified ion exchange column |
| 06/05/1990 | US4931160 Electrodeionization method and apparatus |
| 05/30/1990 | EP0370803A2 Process for reducing axial dispersion in a magnetically stabilized fluidized bed |
| 05/23/1990 | CN1042319A Method for boron reduction in high-concentrated brine by resin |
| 05/22/1990 | US4927796 Compositions for purifying liquids |
| 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 |
| 05/22/1990 | CA2001739A1 Process for reducing axial dispersion in a magnetically stabilized fluidized bed |
| 05/17/1990 | WO1990005114A1 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/16/1990 | CN1007965B Composite porous matercal, process for production and separation of metallic |
| 05/15/1990 | US4925541 Electodeionization apparatus and method |
| 05/09/1990 | EP0367492A2 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 05/02/1990 | EP0366258A1 Process for preparing cation exchange resins having improved stability and cation exchange resins prepared therefrom |
| 05/02/1990 | EP0365887A2 Filter cartridge for a liquid-filtration apparatus, especially for water filters |
| 05/02/1990 | CN2056607U Composite floating bed ion-exchanger |
| 04/25/1990 | EP0365248A2 Process and device for the deionization of ion-containing aqueous solutions |
| 04/19/1990 | WO1990003947A1 Process for removing ammonia and phosphorus from a wastewater |
| 04/17/1990 | US4917806 Method of and apparatus for controlling pH and electrical conductivity of water using ion exchange resin |
| 04/03/1990 | US4913808 Subcompact interchangeable cartridge drinking water purification system |
| 04/03/1990 | US4913803 Particle separation system |
| 04/03/1990 | CA1267494A1 Crystalline 3-layer lithium aluminates |
| 03/14/1990 | EP0167569B1 Deoxygenation process and apparatus |
| 03/14/1990 | CN2054374U Double flow single resin ion-exchanger |
| 03/14/1990 | CN2054367U Multi-hole turntable liquid fixing contraflow fluidizing tower |
| 03/13/1990 | US4908137 Heavy metal removal process |
| 03/06/1990 | US4906361 Apparatus for treating fluids |
| 02/27/1990 | US4904701 Process for preparing an ion exchange membrane |
| 02/27/1990 | US4904390 Cleaning the coolant of the primary loop of a pressurized water reactor by adding a redox substance to change the valence of antimony |
| 02/22/1990 | DE3826857A1 Drinking water filter unit |
| 02/13/1990 | US4900520 Process for removal of soluble platinum group metal catalysts from liquid product mixtures |
| 02/13/1990 | US4900450 Removing residual alkali metal ions from demineralized water |
| 02/07/1990 | EP0247109B1 Column for physical or chemical treatment in the heterogeneous phase |
| 02/06/1990 | US4898674 Solvent dewaxing process |
| 01/31/1990 | EP0352779A2 Mobile potable water production device |
| 01/30/1990 | US4897193 Quantitative separation; immunoassays |
| 01/18/1990 | DE3824076A1 Method for the regulation of the filling level |
| 01/17/1990 | CN1038800A Internal high speed cleaning apparatus |
| 01/16/1990 | US4894154 Individual portable water-treatment device |
| 01/11/1990 | DE3821741A1 Ion exchanger cartridge having a non-return valve |
| 01/10/1990 | CN1038662A Organic polymeric material and ion-exchange membrane produced therefrom |
| 01/03/1990 | EP0349102A1 Removing residual alkali metal ions from demineralized water |
| 01/03/1990 | EP0238579B1 Process and agent for water treatment |
| 01/02/1990 | US4891138 On basis of specific gravities |
| 12/27/1989 | CN1006204B Device for continuous contacting of fluids and solids |
| 12/20/1989 | EP0346502A1 Electrodeionization method and apparatus |
| 12/14/1989 | DE3819000A1 Bag of a teabag type for eliminating pollutants |
| 12/13/1989 | EP0345964A1 Organic polymeric material and ion-exchange membrane produced therefrom |
| 12/12/1989 | US4886604 Structure with membranes having continuous pores |
| 12/12/1989 | US4886598 Liquid membrane coated ion-exchange column solids |
| 12/05/1989 | CA1263641A1 Immobilised extractants |
| 11/30/1989 | WO1989011321A1 Method and apparatus for purifying hydrogen fluoride |
| 11/28/1989 | US4883599 Ion exchanging using sulfhydrated cellulose |
| 11/23/1989 | EP0342668A2 Product and process for increasing enzyme adsorption |
| 11/21/1989 | US4882056 Cartridges |
| 11/21/1989 | US4882018 Efficiency |
| 11/07/1989 | US4879316 Interpenetrating polymer network ion exchange membranes and method for preparing same |
| 11/02/1989 | DE3912613A1 Verfahren und vorrichtung fuer die mehrstufige, zyklisch kontinuierliche gegenstromkontaktierung einer fluessigphase und einer feststoffphase, die unterschiedliche dichte haben, und/oder einer mit der ersten fluessigphase nicht vermischbaren fluessigphase Method and apparatus for multi-level, continuous cyclic gegenstromkontaktierung a fluessigphase and a solid phase, which have different density, and / or an immiscible with the first fluessigphase fluessigphase |
| 11/02/1989 | DE3912612A1 Verfahren und vorrichtung fuer die intensive gegenstromkontaktierung von teilchenfoermigen feststoffmaterialien mit einer kleinen fluessigkeitsmenge Method and apparatus for the intensive gegenstromkontaktierung of particulate solid materials with a small fluessigkeitsmenge |
| 11/02/1989 | DE3911675A1 Device for treating water |
| 10/19/1989 | DE3910874A1 Process for the preparation of a gas adsorbent |
| 10/11/1989 | CN1036212A Organic polymeric material and ion-exchange membrane produced therefrom |
| 10/10/1989 | US4873046 Stretching while heating |
| 10/10/1989 | CA1262300A1 Interface beads for mixed-bed ion exchange resins |