| Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150) |
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| 08/16/1990 | CA2009184A1 Ultrafiltratioin polyimide membrane and its use for recovery of dewaxing aid |
| 08/15/1990 | CN1044636A Method and apparatus for water decontamination |
| 08/14/1990 | US4948564 In frangible webs |
| 08/14/1990 | US4948512 Multistep method for separating dissolved organic compounds from a solution |
| 08/14/1990 | US4948476 Using electrolytic oxidation cell and coupled transport module |
| 08/08/1990 | EP0381477A2 Concentration of water-ketone composition |
| 08/08/1990 | EP0381476A2 Treatment of compositions containing water and organic oxygentates |
| 08/08/1990 | EP0381134A1 Electrodialytic desalination process of electrolyte solutions having solvents |
| 08/08/1990 | EP0380487A1 Process and device for concentrating macromolecular solutions. |
| 08/08/1990 | CA2009324A1 Anion exchange membranes |
| 08/08/1990 | CA2009323A1 Cation exchange membranes |
| 08/07/1990 | USH808 Countercurrent flow, reduction, cryogenic separation |
| 08/07/1990 | US4946594 Crosslinked copolymers of aliphatic polyester diols and dianhydrides |
| 08/03/1990 | CA2009251A1 Distillation separation membrane and method for membrane distillation separation |
| 08/02/1990 | CA2009140A1 Process for desalting solvent-containing electrolyte solutions by electrodialysis |
| 08/01/1990 | EP0380424A1 Process for the concentration by pervaporation of an aqueous fluid containing volatile or carrier water vapour-distillable organic compounds |
| 08/01/1990 | EP0380266A1 Filter cleaning |
| 08/01/1990 | EP0221171B1 The use of diffusion membranes |
| 08/01/1990 | CA2003677A1 Treatment of compositions containing water and organic oxygenates |
| 08/01/1990 | CA2003676A1 Concentration of water-ketone compositions |
| 07/31/1990 | US4944882 Hybrid membrane separation systems |
| 07/31/1990 | US4944881 Liquid separation membrane for pervaporation |
| 07/31/1990 | US4944880 Polyimide/aliphatic polyester copolymers |
| 07/31/1990 | US4944876 Filter capsule with inlet dispersion |
| 07/31/1990 | US4944875 Plural filter tube sequential distribution apparatus |
| 07/31/1990 | US4944852 Ion exchange |
| 07/31/1990 | US4944777 Separating hydrogen from a mixture of substances |
| 07/31/1990 | CA1272146A1 Production of low-ethanol beverages by membrane extraction |
| 07/31/1990 | CA1272140A1 Separating hydrogen from a mixture of substances |
| 07/31/1990 | CA1272138A1 Method and apparatus for enhancing the flux rate of cross-flow filtration systems |
| 07/26/1990 | WO1990008183A1 Process of treating alcoholic beverages by vapor-arbitrated pervaporisation |
| 07/26/1990 | WO1990007974A1 Filter apparatus |
| 07/26/1990 | CA2008502A1 Membranes |
| 07/25/1990 | EP0379116A2 Electrodeionization apparatus and module |
| 07/25/1990 | EP0379040A1 Apparatus and process for waste water purification |
| 07/25/1990 | EP0378684A1 Leucocyte-separating process |
| 07/25/1990 | CA2008437A1 Filter cleaning |
| 07/24/1990 | US4943374 Spontaneously and completely wettable with water |
| 07/24/1990 | US4943360 Process for recovering nitric acid and hydrofluoric acid from waste pickle liquors |
| 07/18/1990 | EP0378225A2 Apparatus for processing fluid and method of driving the same |
| 07/18/1990 | EP0378081A1 Method of purification of aqueous glyoxal solutions |
| 07/18/1990 | EP0377832A2 Process for the treatment of biomasses, e.g. sewage sludge, manure, etc. |
| 07/18/1990 | EP0377685A1 Process for selective removal of certain compounds from beverages. |
| 07/18/1990 | EP0377577A1 Hemodialysis method and apparatus with controlled ultrafiltration |
| 07/17/1990 | US4942205 Alpha-fluoroacrylic acid polymer and its use |
| 07/11/1990 | EP0377284A2 Improved method and apparatus for regulating transmembrane ion movement |
| 07/10/1990 | US4940542 Liquid purifying device |
| 07/10/1990 | US4940541 Blood cleaning hollow fiber membrane, method for cleaning blood, and apparatus therefor |
| 07/10/1990 | CA1271428A1 Immobilized-interface solute-transfer process and apparatus |
| 07/04/1990 | EP0376485A1 Quaternary polyamine as sulfite oxidation inhibitor |
| 07/03/1990 | US4938872 Treatment for reverse osmosis membranes |
| 07/03/1990 | US4938854 Electrolysis |
| 06/28/1990 | WO1990006804A1 Filtering apparatus |
| 06/28/1990 | WO1990006755A1 Heparin fragments as inhibitors of smooth muscle cell profileration |
| 06/28/1990 | DE3841594A1 Arrangement for liquid treatment |
| 06/27/1990 | EP0375290A2 Electrode apparatus for dialysis |
| 06/27/1990 | EP0375096A2 Novel anion-exchange membrane |
| 06/27/1990 | EP0374873A2 Efficient vapor- liquid mass transfer by microporous membrane fibers |
| 06/27/1990 | EP0374615A2 Process for the separation of organometallic compounds and/or metal carbonyls from their solution in organic media |
| 06/27/1990 | EP0374309A1 Membrane separation apparatus and method |
| 06/26/1990 | US4937557 Monitoring and indicating circuit for reverse osmosis filter |
| 06/26/1990 | US4936999 Contacting water immiscible quaternary ammonium extractant with concentrated acid solution and precipitating |
| 06/26/1990 | US4936997 Method of flushing desalination apparatus equipped with reverse osmotic membrane module and apparatus therefor |
| 06/26/1990 | US4936980 Apparatus and method for plasma separation |
| 06/26/1990 | US4936962 Process for adjusting the pH of an aqueous flowable fluid |
| 06/26/1990 | US4936954 Apparatus for separating liquid mixtures by pervaporation |
| 06/26/1990 | EP0297126A4 Phase transfer catalysis. |
| 06/26/1990 | CA1270769A1 Dehydrating device |
| 06/21/1990 | DE3448262C2 Method of testing sterilising filters of a haemodial filtration apparatus |
| 06/20/1990 | CN1043089A Method for purification of acids from materials comprising acid and salt |
| 06/20/1990 | CN1043088A Quaternary polyamines as sulfite oxidation inhibitors |
| 06/20/1990 | CA2005959A1 Efficient vapor-liquid mass transfer by microporous membrane fibers |
| 06/19/1990 | US4935144 Concentration of water-ketone compositions |
| 06/19/1990 | US4935002 Apparatus and method for the autotransfusion of blood |
| 06/19/1990 | CA1270447A1 Device for the ultrafiltration of a pressurised high- temperature liquid |
| 06/15/1990 | CA2005739A1 Heparin fragments as inhibitors of smooth cell proliferation |
| 06/14/1990 | WO1990006382A1 Method for purifying quaternary ammonium hydroxides |
| 06/14/1990 | WO1990006356A1 Detersive system with improved complexing agent |
| 06/14/1990 | WO1990006168A1 Method for purification of acids from materials comprising acid and salt |
| 06/14/1990 | WO1990006167A1 Method for purification of bases from materials comprising base and salt |
| 06/14/1990 | WO1990006166A1 Collagen film for use as a pervaporation membrane |
| 06/13/1990 | EP0372683A2 Dehydration of organic oxygenates |
| 06/13/1990 | EP0372074A1 Blood component separator |
| 06/13/1990 | EP0371968A1 System for separating solutions |
| 06/13/1990 | DE3841716A1 Kollagenfolie als pervaporationsmembran Collagen film as pervaporation |
| 06/12/1990 | US4933198 Production of low-ethanol beverage by membrane extraction |
| 06/12/1990 | US4933197 Process to make juice products with improved flavor |
| 06/12/1990 | US4933085 Polyetherimide is mixed with solvent, shaped, and brought in contact with precipitating agent |
| 06/12/1990 | CA2005309A1 Filtering apparatus |
| 06/10/1990 | CA2004996A1 Collagen foil used as pervaporation membrane |
| 06/07/1990 | DE3839567A1 Hollow-fibre module for separating off gas |
| 06/06/1990 | EP0371178A1 Method for producing a blood cleaning apparatus with hollow fiber membranes |
| 06/06/1990 | EP0162068B1 Separating oil emulsions |
| 06/06/1990 | CN1042667A Composite semipermeable membranes and method of making same |
| 06/05/1990 | US4931186 Concentration of solids in a suspension |
| 06/05/1990 | US4931185 Method and apparatus intended for the filtration on a membrane of a product such as milk |
| 06/05/1990 | US4931160 Electrodeionization method and apparatus |
| 06/05/1990 | CA2001465A1 Apparatus for processing coolant |
| 05/30/1990 | EP0370555A2 A process for the separation of a phenol |
| 05/29/1990 | US4929357 Isocyanurate crosslinked polyurethane membranes and their use for the separation of aromatics from non-aromatics |