| Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729) |
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| 03/01/1988 | US4728394 Semipermeable membrane support and process for preparation thereof |
| 03/01/1988 | US4728346 Permselectivity |
| 03/01/1988 | US4728345 Preferential permeability |
| 02/24/1988 | EP0257012A2 Asymmetric gas separation membranes having graded density skins |
| 02/24/1988 | EP0257011A2 Permeation modified asymmetric gas separation membranes having graded density skins |
| 02/17/1988 | CN86104921A Variable volume filter of conventrator |
| 02/04/1988 | DE3628187C1 Filter material for separating off particles and process for producing the same |
| 02/03/1988 | EP0254758A1 Pervaporation process and membrane |
| 02/02/1988 | US4722795 Extrusion of polymer solution with a center liquid |
| 02/02/1988 | US4722771 Process for manufacturing a partially permeable membrane |
| 01/27/1988 | EP0254556A2 Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers |
| 01/27/1988 | EP0254334A2 Hollow fibre of polyester-amide and process for preparing it |
| 01/26/1988 | US4721568 Semipermeable composite membrane |
| 01/20/1988 | EP0253047A1 Membrane-separation element |
| 01/19/1988 | US4720400 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 01/19/1988 | CA1231598A1 Permeation modified membrane |
| 01/12/1988 | US4719062 Aqueous solutions of lower alkanols |
| 01/12/1988 | CA1231318A1 Method for manufacturing microporous membrane |
| 01/12/1988 | CA1231210A1 Process for the preparation of porous bodies |
| 01/07/1988 | EP0251729A2 A co-spun filament within a hollow filament and spinneret for production thereof |
| 01/07/1988 | EP0251511A1 Bipolar membranes and method of making same |
| 12/29/1987 | US4715952 Reverse osmosis water purification element and cartridge |
| 12/23/1987 | EP0250327A1 Ultrafiltration, hyperfiltration or demineralization element, process for producing the same and its use in treating radioactive liquid wastes |
| 12/22/1987 | US4714482 Organic polymer blend with inorganic acid such as sulfuric, phosphoric or heteropoly acid |
| 12/17/1987 | WO1987007624A1 Bipolar membranes and methods of making same |
| 12/16/1987 | EP0249189A2 Membrane for hemodialysis |
| 12/16/1987 | EP0248877A1 Method for the assembly of polar-nonpolar-polar proteolipid membranes |
| 12/16/1987 | CN87104069A Bipolar membranes and methods of making same |
| 12/15/1987 | US4713292 Multilayer composite hollow fibers and method of making same |
| 12/09/1987 | EP0248599A2 Dynamic membranes |
| 12/03/1987 | WO1987007304A1 Cell detection system and method |
| 12/02/1987 | EP0247597A1 Process for producing porous membranes |
| 12/02/1987 | EP0247596A2 Porous membrane |
| 12/01/1987 | US4710278 Of an organic polymer and heteropoly acid or salt mixtures |
| 11/24/1987 | US4708981 Interpenetrating polymer network |
| 11/24/1987 | US4708800 Polypropylene; artificial lung |
| 11/24/1987 | US4708799 Hollow fiber membrane for plasma separation |
| 11/19/1987 | WO1987006850A1 Osmotic distillation process and semipermeable barriers therefor |
| 11/19/1987 | EP0245863A2 Composite ultrafiltration membranes |
| 11/19/1987 | DE3712391A1 Separating an emulsified liquid phase by a surface-modified porous membrane |
| 11/17/1987 | US4707265 Reinforced microporous membrane |
| 11/11/1987 | EP0244835A2 Langmuir-Blodgett ultrathin membrane of polyfumurate |
| 11/10/1987 | US4705753 Biologically active acrylonitrile-based copolymeric membrane |
| 11/10/1987 | US4705636 Method of making a coating and a permselective membrane, ionic polymer therefor, and products thereof |
| 11/10/1987 | US4705632 Hollow fiber membrane formed from a block copolymer of aromatic polyester and polyoxyethylene for dialysis of blood |
| 11/10/1987 | US4705545 Thin film polymer blend membranes |
| 11/10/1987 | US4705544 Liquid membrane |
| 11/04/1987 | EP0243876A2 Preparation of semi-permeable composite membranes |
| 11/04/1987 | EP0243404A1 Method for confining a catalyst in multiphase membrane reactor systems. |
| 11/03/1987 | US4704324 Reverse osmosis, gas separation, ultrafiltration |
| 10/29/1987 | DE3712492A1 Gas permeation-selective compound membrane, produced by plasma polymerisation coating |
| 10/28/1987 | EP0242878A1 Composite membrane |
| 10/28/1987 | EP0242877A1 Extractant-surfactant posttreatments of permselective composite membranes |
| 10/28/1987 | EP0242761A2 Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts |
| 10/28/1987 | CN87102849A Composite membrahes |
| 10/28/1987 | CN87100639A Hydrophilized porous membrane and prodn. process thereof |
| 10/21/1987 | EP0242209A1 Composite membranes |
| 10/21/1987 | EP0242069A2 Semipermeable composite membranes produced from silicone water based emulsions applied to porous substrates |
| 10/21/1987 | EP0241995A1 Method for preparing a composite semi-permeable membrane |
| 10/13/1987 | US4699892 Aluminum or gallium, silicon or germanium oxides on porous support; separation or catalytic action |
| 10/13/1987 | US4699637 Hydrogen permeation membrane |
| 10/13/1987 | CA1227975A1 Semipermeable encapsulated membranes, process for their manufacture and their use |
| 10/06/1987 | US4698157 Filter membrane and method of manufacturing it |
| 09/29/1987 | US4696748 Plasma separator and a process for preparing the same |
| 09/29/1987 | US4696686 Oxygen separating member and process for producing the same |
| 09/23/1987 | EP0238276A2 Novel membranes and process for making them |
| 09/23/1987 | EP0238087A2 Process for producing a dynamic filter membrane |
| 09/22/1987 | US4695592 Hydrophilized porous membrane and production process thereof |
| 09/22/1987 | US4695483 Method for the preparation of composite membranes based on interpenetrating polymer networks |
| 09/22/1987 | US4695383 Copolyamide from a diaminodiphenyl sulfone |
| 09/15/1987 | US4693985 Methods of concentrating ligands and active membranes used therefor |
| 09/15/1987 | CA1226708A1 Filtration membrane and process for producing the membrane |
| 09/02/1987 | EP0235051A1 Hollow composite fibre for removing water vapour from air or from carbonic-acid gas |
| 09/02/1987 | EP0235003A1 Hydrotreatment process of heavy hydrocarbons in liquid phase in the presence of a dispersed catalyst |
| 08/25/1987 | US4689267 Composite hollow fiber |
| 08/25/1987 | US4689150 Separation membrane and process for manufacturing the same |
| 08/19/1987 | EP0232829A2 Process for forming a film of a polymer. |
| 08/18/1987 | US4687578 Fluid separation membranes |
| 08/12/1987 | EP0231432A2 Cross-flow microfilter |
| 08/05/1987 | EP0230928A2 A method of regenerating a dynamic membrane in a separation means for a liquid medium and device for carrying out the method |
| 08/05/1987 | CN86107524A Membrane artificial lungs and its manufacturing method |
| 07/29/1987 | CN86108433A Polymer/liquid crystal composite semipermeable membranes and process for use thereof |
| 07/22/1987 | EP0229132A1 Flooded biological film reactor for water treatment, with gas charging via a membrane. |
| 07/21/1987 | US4681713 Cellulose esters, extrusion |
| 07/21/1987 | US4681605 Ethyl cellulose |
| 07/15/1987 | EP0229019A2 Hydrophilized porous membrane and production process thereof |
| 07/15/1987 | EP0228885A2 Use of porous membrane in reaction process |
| 07/15/1987 | EP0228782A1 Scrubbing process for high feed concentrations |
| 07/14/1987 | US4680355 Process for preparation of fluorine containing polymer films |
| 07/14/1987 | CA1224092A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 07/08/1987 | EP0228248A2 Composite semipermeable membranes |
| 07/08/1987 | EP0228072A2 Filtration membrane and method of making the same |
| 07/08/1987 | EP0227832A1 Composite hollow yarn and a process for producing the same |
| 07/08/1987 | EP0156840A4 Treatment of porous membranes. |
| 07/07/1987 | US4678581 Polymethyl methacrylate hollow fiber type ultrafiltration membrane and process for preparation of the same |
| 07/01/1987 | EP0227299A2 Polymer/liquid crystal composite semipermeable membranes and process for the use thereof |
| 07/01/1987 | EP0227043A2 Composite semipermeable membrane and process for producing the same |
| 07/01/1987 | EP0226738A1 Filamented, hollow microspheres and applications thereof |
| 06/24/1987 | EP0225906A1 Improvements in filters. |
| 06/23/1987 | US4675213 Hydrophilized membrane of porous hydrophobic material and process for preparing the same |