| 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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| 09/13/1988 | US4770769 Automatically repenishment ofdialyzer solution and removal of used solution; balancing and dosing; closed loop control circuit |
| 09/07/1988 | WO1988006723A1 Disposable immunoassay and biochemical test device suitable for field and office use |
| 09/07/1988 | WO1988006475A1 Method and apparatus for treating fluids containing foreign materials by membrane filter equipment |
| 09/07/1988 | EP0280717A1 Cleaning of hollow fibre filters |
| 09/06/1988 | US4769152 Process for removing electrolyte |
| 09/06/1988 | US4769150 Method and apparatus for plasmapheresis by reciprocatory pulsatile filtration |
| 09/06/1988 | US4769145 Centrifugal ultrafilter unit for ultrafiltration of biochemical solutions |
| 09/06/1988 | US4769143 Device for purifying water |
| 09/06/1988 | US4769140 Apparatus for the separation of mixtures by means of pervaporation |
| 09/01/1988 | DE3805361A1 Integral filter for fluids made of a plurality of filter elements stacked one inside the other having different retention capacities and housing therefor |
| 09/01/1988 | DE3719440C1 Anode cell for electrophoretic metal-coating baths |
| 08/31/1988 | EP0280052A1 Method of and apparatus for filtering a medium |
| 08/30/1988 | US4767544 Orally operable water filter |
| 08/30/1988 | US4767533 Hemodialyzers, different filtration factors |
| 08/30/1988 | US4767422 Repairing defects by post-treatment with volatile solvent and additives |
| 08/24/1988 | EP0279331A2 Alpha-fluoroacrylic acid salt polymer and its use |
| 08/23/1988 | US4766161 Interfacial layer of polymer matrix containing a dispersion of a cationic exchange resin having quaternized and nonquaternized amine groups |
| 08/23/1988 | US4765893 Coiled membrane filter cartridge |
| 08/23/1988 | US4765339 Closed loop dialysis system |
| 08/23/1988 | CA1240944A1 Membrane separation of unconverted carbon fiber precursors from flux solvent and/or anti-solvent |
| 08/17/1988 | EP0277994A1 Blood cell washing systems and methods. |
| 08/16/1988 | US4763658 Dialysis system 2nd method |
| 08/11/1988 | WO1988005769A1 Process for the recovery of alcohols using a perfluorinated ionomer membrane |
| 08/11/1988 | WO1988005768A1 Process for the recovery of alcohols using an organic acid-modified polymer membrane |
| 08/10/1988 | CN87100467A Filtration method by mediums and equipment thereof |
| 08/09/1988 | US4762624 Apparatus and method for filtration and concentration of suspension |
| 08/09/1988 | US4762618 Apparatus and method for controlling fluid flow in dialysis and the like |
| 08/09/1988 | US4762611 Measuring conductivity of drinking water; liquid crystal display to limit power consumtpion |
| 08/09/1988 | US4762601 Copper bath for electroless plating having excess counter-cation and process using same |
| 08/09/1988 | US4762535 Ammonia separation using semipermeable membranes |
| 08/09/1988 | CA1240272A1 Electrolyte stabilization of latices |
| 08/03/1988 | EP0276352A1 Apparatus and method for filtration and concentration of suspension |
| 08/02/1988 | US4761230 Small volume tangential flow filtration apparatus |
| 08/02/1988 | US4761229 Permeable, stacked; separating dewaxing solvent from hydrocarbon stream |
| 08/02/1988 | US4761164 Permeability of membranes |
| 07/28/1988 | WO1988005444A1 Method and plant for separation of synthetic water soluble polymers |
| 07/28/1988 | WO1988005424A1 Extracts of thermal waters and their applications |
| 07/28/1988 | DE3700804A1 Process for the concentration of dissolved substances and plant for the concentration |
| 07/27/1988 | EP0276189A1 Regeneration of thermal water |
| 07/26/1988 | US4759849 Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis |
| 07/26/1988 | US4759848 Passing liqud through filter, subcooling the filter, withdrawing the filtered liquid |
| 07/26/1988 | US4759844 Miniature, adapted to operate under conventional water main pressure on a countertop for dispensing pure water |
| 07/26/1988 | US4759835 Increasing pressure within electrode to expand outwardly membrane wall to seperate cake from wall, removal without scraping the surface of membrane |
| 07/26/1988 | CA1239615A1 Treatment of ultrafiltrate by electrodialysis |
| 07/19/1988 | US4758348 Copolymer, separating membrane made thereof and method for separating charge transfer interactive substance from a liquid mixture containing the same |
| 07/19/1988 | US4758347 Adjustment of ph; pressurized membrane separation |
| 07/19/1988 | US4758319 Dialyzing crossflow electrofilter with improved electrode |
| 07/19/1988 | US4758250 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 07/12/1988 | US4756835 Permeable membranes having high flux-density and low fouling-propensity |
| 07/12/1988 | US4756830 Pumping apparatus |
| 07/12/1988 | US4756821 Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst |
| 07/06/1988 | EP0273724A2 Acid gas scrubbing by composite solvent-swollen membranes |
| 07/06/1988 | EP0273335A2 Flocculants and filter aids and their use |
| 07/06/1988 | EP0273267A2 Method of separating a particular component from its liquid solution |
| 07/05/1988 | US4755301 Centrifuging retentate reservoir having attached semipermeable membrane filter and cup to expel retentate into cup |
| 07/05/1988 | US4755299 Delivering liquid mixture to surface of composite membrane of nonporous crosslinked polyvinyl alcohol with porous backing, applying vacuum to or inert gas over other surface to separate |
| 07/05/1988 | US4755298 Process for removing boron ions from aqueous solutions |
| 07/05/1988 | US4755297 Continuous countercurrent membrane column for the separation of solute/solvent and solvent/solvent systems |
| 07/05/1988 | CA1238861A1 Plasmapheresis process, and apparatus for said process |
| 06/30/1988 | WO1988004677A1 Polymer with betaine structure, solution diffusion membrane, process for their manufacture and use |
| 06/30/1988 | WO1988004569A1 Process for separating liquid mixture |
| 06/29/1988 | EP0272632A2 Flow control manifold for cross-flow membrane apparatus |
| 06/28/1988 | US4754089 Separation of phase by permeable membrane |
| 06/28/1988 | US4753776 Separating red blood cells from plasma, low pressure filtration |
| 06/28/1988 | US4753733 Plasmapheresis method and apparatus for overcoming membrane fouling |
| 06/23/1988 | DE3642732A1 Method of carrying out electroultrafiltration (EUF) |
| 06/23/1988 | DE3642671A1 Holder for a haemodialyser |
| 06/22/1988 | EP0272044A2 Vacuum diagnostic device |
| 06/22/1988 | EP0272043A2 Diagnostic device |
| 06/21/1988 | US4752373 Electrodialysis apparatus for the chemical maintenance of electroless copper plating baths |
| 06/21/1988 | US4752363 Adding alkali metal hydroxide, filtration and electrolysis |
| 06/16/1988 | WO1988004286A1 Phase transfer catalysis |
| 06/16/1988 | WO1988004184A1 Particle separation |
| 06/15/1988 | EP0271015A2 Electrodialysis process for removing acids from cataphoretic painting baths |
| 06/14/1988 | US4750990 Membrane separation of hydrocarbons using cycloparaffinic solvents |
| 06/14/1988 | US4750983 For electrodialysis |
| 06/14/1988 | US4750918 Porous walls, selective permeation |
| 06/08/1988 | EP0269940A2 Surface active agent and process for preparing the same |
| 06/08/1988 | EP0185089A4 Hemodialysis processes and hemodialysis solutions |
| 06/07/1988 | US4749487 Premselective microskin of multivalent ions; desalting molasses or milk whey |
| 06/07/1988 | US4749483 Membrane separation arrangement and method of producing a plate module thereof |
| 06/07/1988 | US4749476 Apparatus for filtering pressure sensitive substances out of liquid suspension |
| 06/07/1988 | CA1237678A1 Filter element and its production |
| 06/02/1988 | WO1988003829A1 Arrangement in membrane filter |
| 06/01/1988 | EP0269444A2 Apparatus and method for mass transfer involving biological/pharmaceutical media |
| 06/01/1988 | EP0269240A1 Blood separation device under low pressure conditions |
| 06/01/1988 | EP0269234A1 Recovery of acids from materials comprising acid and salt |
| 05/31/1988 | US4748288 Process for the separation of solvents from hydrocarbons dissolved in the solvents |
| 05/31/1988 | US4747959 Analytical method and apparatus for characterizing latexes |
| 05/31/1988 | US4747951 Method for recovering water of reduced salinity from high salinity water |
| 05/31/1988 | US4747950 Method and apparatus for controlled ultrafiltration during hemodialysis |
| 05/31/1988 | US4747949 Liquid membrane coated ion-exchange column solids |
| 05/31/1988 | US4747946 Outer cylinder and apcurality of water permeable nonwoven fabric pipes |
| 05/31/1988 | US4747929 For removing ions from liquids |
| 05/31/1988 | CA1237381A1 Electrodialytic conversion of multivalent metal salts |
| 05/31/1988 | CA1237260A1 Hollow fiber membrane for dialysis |
| 05/24/1988 | US4746437 Nonboiling evaporation, semipermeable membrane |
| 05/24/1988 | US4746436 Partitioned by using gas permeable sheet for absorption |
| 05/19/1988 | DE3736711A1 Dialysatzubereitungseinrichtung Dialysatzubereitungseinrichtung |
| 05/18/1988 | EP0267767A2 Copper bath for electroless plating having excess countercation and process using same |