| 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) |
|---|
| 10/06/1982 | EP0061782A2 Composite semipermeable membrane and process for preparation thereof |
| 09/30/1982 | WO1982003197A1 Method and apparatus for producing hollow metal microspheres and microspheroids |
| 09/28/1982 | CA1132311A1 Dialysis membrane from regenerated cellulose |
| 09/21/1982 | CA1131861A1 Process for preparing microporous hollow fibers |
| 09/08/1982 | EP0059393A2 Hyperfiltration membranes with separation layers from monomolecular surfactant films |
| 08/31/1982 | US4347139 Membrane for reverse osmosis and method of making the same |
| 08/11/1982 | EP0057328A1 Porous polyethylene film |
| 07/28/1982 | EP0056512A1 Reverse osmosis membrane and process for making the same |
| 07/27/1982 | US4341605 Process for cation permeable membrane with reinforcement fabric embedded therein and product thereof |
| 07/21/1982 | EP0056175A1 Ion-permeable composite membrane and its use in selective separation |
| 07/13/1982 | CA1127472A1 Gas separation membranes and process for the preparation thereof |
| 07/06/1982 | US4338194 Method of producing solute-rejecting dynamic membrane filters and filters including such membranes |
| 06/29/1982 | US4337154 Formed from a polyalkylenimine and a nitrogen-heterocyclic secondary amine compound |
| 06/01/1982 | CA1124475A1 Process to produce inorganic hollow fibers |
| 04/28/1982 | EP0050399A1 Microporous polyethylene hollow fibers and a process for preparing the same |
| 04/20/1982 | CA1122157A1 Mass-transfer membrane and processes using same |
| 04/13/1982 | US4324683 Encapsulation of labile biological material |
| 04/13/1982 | US4324636 Ion exchange membranes |
| 04/13/1982 | US4324606 Contacting a melt fabricable fluorinated polymer with a web, applying vacuum, and heating |
| 04/06/1982 | US4323627 Controlled hydrolysi using alkali or acid |
| 03/30/1982 | US4322381 Method of manufacturing hollow fiber |
| 03/30/1982 | CA1120795A1 Semipermeable composite membrane and process for preparation thereof |
| 03/23/1982 | US4321299 Spacecraft propylsion |
| 03/02/1982 | US4317729 Ethylene-vinyl alcohol copolymer hollow fiber membranes and method of producing same |
| 03/02/1982 | CA1119103A1 Device and process for removing pyrogens from aqueous solutions |
| 02/24/1982 | EP0046400A2 Method of producing permeable polymeric membranes |
| 02/23/1982 | US4316772 Water separators |
| 02/17/1982 | EP0046136A2 Membrane modified hydrogels, process for their manufacture and their use as active agent dispenser |
| 02/10/1982 | EP0045435A1 Polyamide membrane suitable for ultrafiltration and process for producing some |
| 02/09/1982 | CA1117717A1 Permselective membrane and method for making and using same |
| 02/03/1982 | EP0044958A1 Plasmapheresis membrane and process for the preparation thereof |
| 02/03/1982 | EP0044872A1 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same |
| 01/27/1982 | EP0044405A1 Hollow filament membrane for the separation of plasma, and process for preparing it |
| 01/26/1982 | CA1117028A1 Membrane unit and apparatus for removing metabolite contaminants from blood |
| 01/11/1982 | EP0034630A4 Separation device of codierite ceramic and alpha-alumina. |
| 01/05/1982 | US4309287 Reverse-osmosis tubular membrane |
| 12/30/1981 | EP0042517A1 Method for the production of a cellulose dialysis membrane |
| 12/22/1981 | US4307195 Exectrode for electrochemical analyzing apparatus |
| 12/22/1981 | CA1114686A1 Coated membranes |
| 12/08/1981 | US4304799 Ion exchange membranes, steeping, polymeric solutes |
| 12/01/1981 | CA1113318A1 Coated membranes |
| 11/24/1981 | US4302336 Semipermeable composite membrane |
| 11/24/1981 | US4302270 Method of bonding an ultrafiltration membrane assembly |
| 11/11/1981 | EP0039583A2 Reverse-osmosis tubular membrane module |
| 10/21/1981 | EP0037836A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
| 10/14/1981 | EP0037730A2 Asymmetric ultrafiltration membrane and production thereof |
| 10/14/1981 | EP0037394A1 A device for removal of substances from a liquid. |
| 09/23/1981 | EP0036315A2 Anisotropic membranes |
| 09/22/1981 | US4290987 Plasmaphoresis |
| 09/02/1981 | EP0034630A1 Separation device of codierite ceramic and alpha-alumina. |
| 09/01/1981 | CA1107922A1 Method of production of a micro-porous membrane for filtration plants |
| 08/26/1981 | EP0034304A2 Method of immobilizing an enzyme in a bundle of cellulosic fibres for a fibre-bundle dialyzer for purifying blood |
| 08/25/1981 | CA1107658A1 Gasket arrangement for purification apparatus |
| 08/25/1981 | CA1107580A1 Non-woven material for support of semipermeable membrane |
| 08/18/1981 | CA1107203A1 Multicomponent membranes for gas separation |
| 07/28/1981 | US4280970 Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate |
| 07/28/1981 | US4280909 Microporous member with interconnected, oriented tapered voids |
| 07/28/1981 | CA1105842A1 Balanced pressure tubular molecular filtration system |
| 07/21/1981 | US4279855 Method for the casting of ultrathin polymer membranes |
| 07/08/1981 | EP0031730A2 The improved semipermeable composite membranes and process for their production |
| 07/08/1981 | EP0031725A2 Process for producing an ultrathin solid membrane and its use for concentrating a specified gas in a gaseous mixture |
| 07/08/1981 | EP0031724A2 Reinforced membranes, process and apparatus for making them, and use thereof as ion-exchange membranes in chlor-alkali cells or as catalysts |
| 07/07/1981 | US4277344 Interfacially synthesized reverse osmosis membrane |
| 06/30/1981 | US4276172 Cellulosic membrane for blood dialysis |
| 06/30/1981 | EP0015293A4 Method and apparatus for producing hollow microspheres. |
| 06/30/1981 | CA1103866A1 Hollow fiber membranes of ethylene copolymers and process for use |
| 06/16/1981 | CA1103227A1 Liquid membrane process for uranium recovery |
| 05/26/1981 | US4269713 Ethylene-vinyl alcohol copolymer membrane and a method for producing the same |
| 05/12/1981 | US4267047 Dialyzing membrane with adsorbent layer |
| 05/05/1981 | US4265745 Crosslinked polyepoxy compound and polyamino compound and a microporous substrate provides flexibility and chemical resistance |
| 05/05/1981 | US4265713 Method and apparatus for distillation |
| 04/28/1981 | US4264447 Ultrafiltration membrane assembly and bonding process therefor |
| 04/16/1981 | WO1981000969A1 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same |
| 04/14/1981 | US4261834 Device and process for removing pyrogens from aqueous solutions |
| 04/07/1981 | CA1098771A1 Backing for semipermeable membrane |
| 03/31/1981 | US4259183 Reverse osmosis membrane |
| 03/05/1981 | WO1981000523A1 Separation device of cordierite ceramic and alpha-alumina |
| 03/05/1981 | WO1981000522A1 Gas-permeable membrane,method of making it and blood oxygenator based on the use thereof |
| 02/24/1981 | CA1096317A1 Separation device of rigid porous inorganic hollow filament and use thereof |
| 02/17/1981 | US4251377 Separation device of cordierite ceramic and α-alumina |
| 02/10/1981 | US4250029 Coated membranes |
| 02/05/1981 | WO1981000217A1 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same |
| 01/28/1981 | EP0022827A1 Reverse osmosis membrane |
| 01/13/1981 | US4244817 Process for producing semipermeable membrane |
| 01/07/1981 | EP0021422A1 Gas separating member |
| 01/06/1981 | US4243701 Preparation of gas separation membranes |
| 01/06/1981 | US4243508 Polymeric ion exchange membranes |
| 12/30/1980 | US4242208 Semipermeable composite membrane and process for preparation thereof |
| 12/30/1980 | US4242159 Forming separating film on a carrier, placing on supporting membrane, dissolving carrier layer |
| 12/24/1980 | WO1980002805A1 Process for the treating of and/or removal of substances from a liquid,especially whole blood,and a device and a membrane for the realization of said process |
| 12/16/1980 | US4239714 Filling the pores with a crosslinkable or polymerizable pore-blocking agent |
| 12/16/1980 | CA1091592A1 High surface area permeable membrane |
| 12/02/1980 | US4236987 Electrode having membrane with ion selective properties |
| 11/18/1980 | US4234431 Membrane filtration type hollow fibers and method for the preparation of same |
| 11/04/1980 | US4231855 Crosslinked methacrylate copolymers containing ionogenic functional groups |
| 10/28/1980 | US4230583 Pretreating the support with a water soluble polymer |
| 10/28/1980 | US4230463 Multicomponent membranes for gas separations |
| 10/21/1980 | US4229297 Method of separating oil from oil-containing liquid |
| 10/21/1980 | US4229291 For hemofiltration |
| 10/15/1980 | EP0016818A1 Method for compressing gaseous materials in a contained volume |