| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 04/19/1989 | EP0312379A2 Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics |
| 04/19/1989 | EP0312378A2 Method of preparing a thin film composite membrane by deposition from a solution, and use of the membrane |
| 04/19/1989 | EP0312377A2 Method of preparing thin film composite membranes by suspension deposition, and use of such membranes |
| 04/19/1989 | EP0312376A2 Polyurea membrane and its use for aromatics/non-aromatics separations |
| 04/19/1989 | EP0312375A2 Highly aromatic polymer alloy membrane of polyurea and polyurethane and its use in aromatic/non-aromatic separations |
| 04/19/1989 | EP0312374A2 Highly aromatic polyurea/urethane membranes and their use for separating aromatics from non-aromatics |
| 04/19/1989 | EP0311912A1 Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide |
| 04/19/1989 | EP0311882A1 Selective permeable membrane for separation of liquid solution |
| 04/19/1989 | EP0135593B1 Hollow fibers for use in dialysis and artificial kidney |
| 04/18/1989 | US4822853 Heat and chemical resistance |
| 04/18/1989 | US4822540 Process for the preparation of a porous regenerated cellulose hollow fiber |
| 04/18/1989 | US4822489 Aromatic polysulfone type resin hollow fiber membrane and a process for producing the same |
| 04/18/1989 | US4822382 Permselective gas separation; tetramethyl bisphenol a phthalates |
| 04/12/1989 | EP0311162A2 Fuel delivery system |
| 04/11/1989 | US4820419 Membranes |
| 04/11/1989 | US4820418 Using insolubilzed silk fibroin film |
| 04/04/1989 | US4818452 Method of manufacturing an integral asymmetrical membrane |
| 04/04/1989 | US4818387 Dihydroxydiphenyl sulfone/p,p*-/ and dihydroxybenzenes; heat, acid, alkali, and halogen resistance |
| 04/04/1989 | US4818254 Semi-permeable membranes consisting predominantly of polycarbonates derived from tetrahalobisphenols |
| 04/04/1989 | CA1252064A1 Acid extraction process, namely of boric acid, from a lightly ionised solution |
| 03/28/1989 | US4816130 Blood electrolyte sensors including crosslinked polyetherurethane membranes |
| 03/28/1989 | US4816072 Dispersion process for ceramic green body |
| 03/23/1989 | WO1989002447A1 Water-vapour permeable material |
| 03/23/1989 | WO1989002305A1 Leucocyte-separating filter |
| 03/23/1989 | WO1989002304A1 Leucocyte-separating filter |
| 03/22/1989 | EP0308153A1 p-Xylylenediamide/diimide composite ro membranes |
| 03/22/1989 | EP0307636A1 Method for effecting dehydration of glycols using a membrane |
| 03/21/1989 | US4814440 Process for producing extractive-material-reduced cellulose |
| 03/21/1989 | US4814228 Reaction with ethylene carbonate, extrusion, coagulation; ultrafilters; heat, chemical resistant |
| 03/21/1989 | US4814202 Processes for manufacturing thin membranes composed of an organic lattice of titanium and silicon oxides and powder composed of submicronic grains of mixed titanium and silicon oxides |
| 03/21/1989 | US4814087 For separating dry, particulate-free hydrocarbon fuel and water from fuel source |
| 03/21/1989 | US4814084 Casting celluliose in dimethylsulfoxide or paraformaldehyde |
| 03/21/1989 | US4814082 On or crosslinked to support |
| 03/21/1989 | US4813983 Polysulfone and addition polymer |
| 03/21/1989 | CA1251311A1 Process for preparing anisotropic shaped bodies based on poly-piperazinamides |
| 03/15/1989 | CN1031658A Hollow fibrous membrane of cellulose made by soloent process |
| 03/14/1989 | US4812269 Process for producing hollow fiber semi-permeable membranes |
| 03/14/1989 | US4812236 Foil with micropores on two layer support which has open macropores |
| 03/08/1989 | CN1031482A Rejection enhancing coatings for reverse osmosis membranes |
| 03/07/1989 | US4810806 Halogenated 1,3-dioxolanes and derivatives |
| 03/07/1989 | US4810766 Acryloxyorganosiloxane polymer |
| 03/07/1989 | US4810384 Hydrophilic PVDF semipermeable membrane |
| 03/07/1989 | US4810366 Process for separating a fluid feed mixture containing hydrocarbon oil and an organic solvent |
| 03/07/1989 | US4810273 Porous ceramic filter |
| 03/01/1989 | EP0304818A1 Gas separation membrane |
| 02/28/1989 | US4808651 Solutions of fluoropolymers, and their use |
| 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 | US4808312 Cellulose ester hollow fiber membrane for plasma separation |
| 02/28/1989 | US4808311 Micorporous, ultrafiltration |
| 02/23/1989 | DE3726730A1 Kohlenstoffmembranen und verfahren zu ihrer herstellung Carbon membranes and methods for their preparation |
| 02/22/1989 | EP0303774A2 Highly soluble clear polyimides |
| 02/22/1989 | EP0303684A1 Methods of making biocompatible nucleophilic material. |
| 02/22/1989 | CN1031239A Highly soluble clear polyimides |
| 02/22/1989 | CN1031191A Permeable membranes for enhanced gas separation |
| 02/21/1989 | US4806291 Using ammonium compounds which are nonsolvents for the polymeric casting solutions |
| 02/21/1989 | CA1250108A1 Method of manufacturing a cellulose acetate membrane and the membrane so produced |
| 02/15/1989 | EP0303298A2 Novel fluorine-containing cyclic polymer |
| 02/15/1989 | EP0303292A2 Cyclic polymerization |
| 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 | EP0302928A1 Inorganic filtration membrane modified for protein separation. |
| 02/14/1989 | US4804472 Polyketone membranes |
| 02/09/1989 | WO1989000983A1 Preparation of titanium ceramic membranes |
| 02/09/1989 | WO1989000879A1 Porous polymetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| 02/08/1989 | EP0302650A1 Hydrophilic microporous membrane and process for preparing same |
| 02/08/1989 | EP0302252A2 Filter for small particles |
| 02/07/1989 | US4802988 Dehydration of glycols |
| 02/01/1989 | EP0301881A1 Halogenated 1,3-dioxolanes and derivatives |
| 02/01/1989 | EP0301597A2 Permeable membranes for enhanced gas separation |
| 01/31/1989 | US4801380 Method of producing a silicon film with micropores |
| 01/31/1989 | US4801379 Microfilter foil and method of producing same |
| 01/26/1989 | WO1989000592A1 Polytetrafluoroethylene coating of polymer surfaces |
| 01/25/1989 | EP0300428A2 Rejection enhancing coatings for reverse osmosis membranes |
| 01/25/1989 | EP0300250A2 Modified cellulose biocompatible hemodialysis membranes |
| 01/25/1989 | EP0300038A1 Microporous asymmetric polyfluorocarbon membranes. |
| 01/25/1989 | EP0299971A1 Electrodialysis membranes comprising sulfonated constituents. |
| 01/24/1989 | CA1249111A1 Method for producing a very thin, dense membrane and (supported) membrane so produced |
| 01/24/1989 | CA1249110A1 Charge modified microporous hollow tubes |
| 01/18/1989 | EP0299881A1 Diaphragm woven from polyvinylchloride; method for making it and its use in the electrolysis of hydrogen chloric acid |
| 01/18/1989 | EP0299452A2 Polyquinoxaline polymers, and articles comprising same |
| 01/18/1989 | EP0299381A2 Membrane-type artificial lung and method of using it |
| 01/18/1989 | EP0299063A1 Hydrophilic article and method of producing same. |
| 01/18/1989 | EP0299043A1 Microporous asymmetric polyamide membranes. |
| 01/17/1989 | US4798674 Alcohol, oxygenate, membranes, concentration |
| 01/11/1989 | EP0298611A2 Polyurethanes and polyurethane/polyureas crosslinked using 2-glyceryl acrylate or 2-glyceryl methacrylate |
| 01/11/1989 | EP0298531A1 Gas separation apparatus and also method for separating gases by means of such an apparatus |
| 01/10/1989 | US4797457 Polyether copolymers containing sulfones |
| 01/10/1989 | US4797211 Cross flow microfilter |
| 01/10/1989 | US4797187 Coacervation of cations |
| 01/10/1989 | US4797185 Hydrogen separation and electricity generation using novel electrolyte membrane |
| 01/04/1989 | EP0297744A2 Process for making microporous products and the products thereof |
| 01/04/1989 | EP0297252A2 Crosslinked polyetherurethane membranes useful in blood electrolyte sensors |
| 01/03/1989 | CA1247813A1 Cross-linked polyarylene oxide membranes |
| 12/29/1988 | WO1988010140A1 A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved |
| 12/28/1988 | EP0296519A2 Method of treating membranes with ultraviolet radiation |
| 12/27/1988 | US4794002 Modified polymeric surfaces and process for preparing same |
| 12/20/1988 | CA1246900A1 Extended surface area amorphous metallic material |
| 12/20/1988 | CA1246816A1 Quenching and treating polysulfone membrane |
| 12/15/1988 | WO1988009693A1 Reverse osmosis apparatus |