| 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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| 04/11/1989 | US4820418 Using insolubilzed silk fibroin film |
| 04/11/1989 | US4820391 Exhaust gas clean up process |
| 04/11/1989 | US4820343 Nonaqueous liquid with complexing agents carries metal ions from one aqueous liquid, releases them to another |
| 04/06/1989 | WO1989002708A1 Process and installation for decanting liquids, in particular raw juices |
| 04/06/1989 | WO1989002707A1 Process and installation for clarifying liquids, in particular raw juice |
| 04/05/1989 | EP0310554A1 Process for the reduction of lye impurities in the Bayer process |
| 04/05/1989 | EP0310553A1 Process for the reduction of lye impurities in the Bayer process |
| 04/05/1989 | EP0309509A1 Process for reducing the impurities in lyes in the bayer process |
| 04/04/1989 | US4818452 Method of manufacturing an integral asymmetrical membrane |
| 04/04/1989 | US4818409 Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts |
| 04/04/1989 | US4818345 Distillation apparatus |
| 04/04/1989 | US4818255 Copper compound with benzoin or ascorbic acid |
| 04/04/1989 | CA1252064A1 Acid extraction process, namely of boric acid, from a lightly ionised solution |
| 03/28/1989 | US4816407 Production of low-ethanol beverages by membrane extraction |
| 03/28/1989 | US4816162 Filtration, sterilization |
| 03/28/1989 | US4816161 Ion exchange resins, dialysis |
| 03/28/1989 | US4816160 Elastic, microporous; concentrator |
| 03/28/1989 | US4816072 Dispersion process for ceramic green body |
| 03/23/1989 | WO1989002305A1 Leucocyte-separating filter |
| 03/23/1989 | WO1989002304A1 Leucocyte-separating filter |
| 03/22/1989 | EP0308232A2 Filter and test device containing same, with flow-delaying polymer |
| 03/22/1989 | EP0308002A1 Method and membrane for the removal of water vapour from a gas/vapour mixture by means of vapour permeation |
| 03/22/1989 | EP0307737A2 Process for the separation of a biotechnologically produced agent from a fermenter broth by cross-flow micro and/or ultrafiltration |
| 03/22/1989 | EP0307636A1 Method for effecting dehydration of glycols using a membrane |
| 03/22/1989 | EP0307422A1 Method and apparatus for treating fluids containing foreign materials by membrane filter equipment |
| 03/21/1989 | US4814087 For separating dry, particulate-free hydrocarbon fuel and water from fuel source |
| 03/21/1989 | US4814086 Water treatment |
| 03/15/1989 | EP0307373A2 Purification process |
| 03/15/1989 | EP0307047A1 Membrane module for hyperfiltration or ultrafiltration of contaminating liquid flows |
| 03/15/1989 | EP0306592A2 Process for concentration of an aqueous solution of amino acid |
| 03/14/1989 | US4812240 Complexing with a lignosulfonate |
| 03/14/1989 | US4812236 Foil with micropores on two layer support which has open macropores |
| 03/14/1989 | CA1251145A1 Reverse osmosis system |
| 03/09/1989 | WO1989001966A1 Filter units for biological sample preparation |
| 03/09/1989 | WO1989001965A1 Process for selective removal of volatile substances from liquids and installation and device for implementing the process |
| 03/07/1989 | US4810390 Separation and purification of pigment suspensions and suspensions of pigment intermediates by a membrane separation process |
| 03/07/1989 | US4810389 Flowing slurry |
| 03/07/1989 | US4810388 Manually operable pump |
| 03/07/1989 | US4810366 Process for separating a fluid feed mixture containing hydrocarbon oil and an organic solvent |
| 03/07/1989 | US4810340 Process for recovering organic values from aqueous solutions containing both organic values and scale-forming ions |
| 03/01/1989 | EP0304426A1 Osmotic distillation process and semipermeable barriers therefor. |
| 02/28/1989 | US4808315 Porous hollow fiber membrane and a method for the removal of a virus by using the same |
| 02/28/1989 | US4808313 Alginic acid crosslinked with metal cation |
| 02/28/1989 | US4808302 Water purifier valve |
| 02/28/1989 | US4808287 Water purification process |
| 02/28/1989 | CA1250530A1 Dewaxing aid recovery by use of semipermeable membranes |
| 02/28/1989 | CA1250404A1 Membrane pervaporation process |
| 02/21/1989 | US4806912 Monitoring system for a liquid purification system |
| 02/21/1989 | US4806249 Process for the separation of indium from anidic solutions containing it |
| 02/21/1989 | US4806246 Pore size control using plasma polymerization techniques |
| 02/21/1989 | US4806244 Combined membrane and sorption process for selective ion removal |
| 02/21/1989 | US4806219 Method of double decomposition of neutral salt |
| 02/15/1989 | EP0302972A1 Dispersion process for ceramic green body |
| 02/15/1989 | EP0302949A1 A method for the removal of a virus by using a porous hollow fiber membrane |
| 02/15/1989 | EP0302933A1 Disposable immunoassay and biochemical test device suitable for field and office use |
| 02/15/1989 | CN1031112A Electric infiltration technology and apparatus for extracting lactic acid |
| 02/14/1989 | US4804474 Heat exchanging |
| 02/14/1989 | US4804451 Depletion compartment for deionization apparatus and method |
| 02/14/1989 | CA1249984A1 Centrifugal microconcentrator and methods for its use |
| 02/14/1989 | CA1249908A1 Bipolar membranes |
| 02/09/1989 | WO1989001224A1 Nuclear fuel reprocessing plant |
| 02/09/1989 | WO1989000846A1 Method for size separation of particles |
| 02/09/1989 | EP0215849A4 Platelet collection system. |
| 02/09/1989 | DE3725297A1 Process for removing heavy metals from sludge liquors, sludges and waters containing cyanides or modified isonitriles |
| 02/08/1989 | EP0302825A1 Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids |
| 02/08/1989 | EP0302478A1 Method for purifying a dipeptide ester |
| 02/07/1989 | US4802988 Dehydration of glycols |
| 02/07/1989 | US4802987 Selective permeation of aromatic hydrocarbons through polyethylene glycol impregnated regenerated cellulose or cellulose acetate membranes |
| 02/07/1989 | US4802966 Electrodialysis of saturated solution of gypsum which also contains dissolved magnesium chloride and sulfate; desalting |
| 02/07/1989 | US4802965 Electrodialysis |
| 02/07/1989 | US4802964 Liquid separation process for suspensions by a pulsating electrical current |
| 02/07/1989 | CA1249885A1 Membrane processes for metal recovery and pollution control in metal process industries |
| 02/01/1989 | EP0302015A2 Process for the continuous aftertreatment of aqueous suspensions of a crude dye |
| 02/01/1989 | EP0301180A1 Pressure filtration device |
| 02/01/1989 | EP0301145A1 Membrane electrode device for electrodeposition coating |
| 01/31/1989 | US4801381 Ultrafiltration apparatus |
| 01/31/1989 | US4801375 Water vending system |
| 01/26/1989 | WO1989000445A1 Electrofilter apparatus and process for preventing filter fouling in crossflow filtration |
| 01/26/1989 | WO1989000444A1 Process for separating metallic ions from aqueous solutions |
| 01/25/1989 | EP0300451A1 Method for separation of electrolytes, and method for ion exchange of electrolytes with counter-ions |
| 01/25/1989 | EP0300201A1 Device for hemodialysis and hemofiltration |
| 01/25/1989 | EP0299971A1 Electrodialysis membranes comprising sulfonated constituents. |
| 01/24/1989 | US4800023 Method of aseptic treatment of water and a storage container to be used at such treatment |
| 01/24/1989 | US4800022 Filtration |
| 01/24/1989 | CA1249239A1 Recovery of glycerine from saline waters |
| 01/19/1989 | DE3722232A1 Osmotic cyclic process |
| 01/18/1989 | EP0299577A2 Process for the preparation of alcoholates |
| 01/17/1989 | US4798674 Alcohol, oxygenate, membranes, concentration |
| 01/17/1989 | CA1248879A1 Filtering unit |
| 01/12/1989 | WO1989000285A1 Process and device for concentrating macromolecular solutions |
| 01/10/1989 | US4797260 Antibody testing system |
| 01/10/1989 | US4797259 Wells with composite membranes, hermetic sealing |
| 01/10/1989 | US4797211 Cross flow microfilter |
| 01/10/1989 | US4797200 Upgrading heavy oils by solvent dissolution and ultrafiltration |
| 01/10/1989 | CA1248325A1 Purification apparatus and method employing a regenerable ligand |
| 01/04/1989 | EP0297126A1 Phase transfer catalysis |
| 01/03/1989 | US4795704 Confining catalyst (or enzyme) between asymmetric membranes between two liquid streams |
| 12/29/1988 | WO1988010125A1 Blood component separator |
| 12/28/1988 | EP0296881A2 Multi-leaf permeable membrane module |
| 12/28/1988 | EP0296519A2 Method of treating membranes with ultraviolet radiation |