| 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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| 12/29/1999 | WO1999067011A1 Bacteriostatic filter cartridge |
| 12/29/1999 | CN1239709A Membrane type biological reactor |
| 12/28/1999 | CA2002085C Process for the separation of carbon dioxide |
| 12/23/1999 | WO1999065595A1 Microstructured separation device |
| 12/23/1999 | WO1999065592A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/23/1999 | CA2335175A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/22/1999 | EP0964737A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 12/22/1999 | EP0884960A4 Membranes of polyurethane based materials including polyester polyols |
| 12/22/1999 | EP0711202B1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 12/16/1999 | WO1999064129A2 Process for preparing hydroxylated aromatics by hydrogen and oxygen |
| 12/15/1999 | EP0963775A2 Filtering medium for air filters and process for producing the same |
| 12/15/1999 | EP0827451B1 Laminate for retaining organic vapours, aerosols and biological active substances |
| 12/15/1999 | EP0758349A4 Surface-modifying endgroups for biomedical polymers |
| 12/14/1999 | US6001288 Process for producing a hollow fiber membrane having a hydrophobic coating |
| 12/09/1999 | WO1999062986A1 Method for producing cellulosic shaped bodies |
| 12/09/1999 | WO1999062624A1 Hydrophobic permeable composite, method for producing said composite and use of the same |
| 12/09/1999 | WO1999062623A1 High performance composite membrane |
| 12/09/1999 | WO1999062620A1 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same |
| 12/09/1999 | CA2299472A1 Hydrophobic permeable composite, method for producing said composite and use of the same |
| 12/09/1999 | CA2299461A1 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same |
| 12/08/1999 | CN1237475A Prepartion of composite gas separation membrane its application |
| 12/07/1999 | US5997594 Steam reformer with internal hydrogen purification |
| 12/02/1999 | WO1999061130A1 Phase-separation member |
| 12/01/1999 | EP0960644A1 Filter medium and air filter unit using the same |
| 12/01/1999 | EP0960154A1 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film |
| 11/30/1999 | US5993515 Apparatus and process for selectively removing a component from a multicomponent aqueous solution by pervaporation |
| 11/30/1999 | CA2136006C Hollow fiber membrane incorporating a surfactant and process for preparing same |
| 11/25/1999 | WO1999059711A1 Preparation of an organic compound by a condensation reaction |
| 11/25/1999 | WO1999059707A1 Highly porous polyvinylidene difluoride membranes |
| 11/25/1999 | WO1999059706A1 An apparatus and a process for production of hollow fibre sections for hollow fibre modules |
| 11/25/1999 | CA2292916A1 Highly porous polyvinylidene difluoride membranes |
| 11/24/1999 | EP0958624A1 Solid electrolyte composite for electrochemical reaction apparatus |
| 11/24/1999 | EP0958249A1 A process and apparatus for treating waste water |
| 11/24/1999 | EP0958035A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 11/23/1999 | US5989651 Phase separation apparatus |
| 11/23/1999 | US5989433 Method of treating a photographic processing solution |
| 11/23/1999 | US5989432 Filter membrane adhered to a support material by an interlayer of nonwoven web of multicomponent fibers |
| 11/23/1999 | US5989426 Reverse osmosis membrane comprising microporous support covered by a polyamide skin layer to provide high salt rejection and high permeability |
| 11/23/1999 | US5989319 Gas separator |
| 11/23/1999 | US5988400 Pourous fluorocarbon membrane, method for producing thereof and cartridge filter based on said membrane |
| 11/18/1999 | WO1999058232A1 Composite membrane made of a microporous support membrane and interlayer made of regenerated cellulose and method for the production of the same |
| 11/18/1999 | DE19914200A1 Porous membrane e.g., for use as a filter with high virus retention for production of drinking water |
| 11/18/1999 | DE19821309A1 Composite membrane for e.g. ultrafiltration or nanofiltration |
| 11/17/1999 | EP0956150A1 Inorganic nanofiltration membrane and its application in the sugar industry |
| 11/17/1999 | EP0815162B1 Porous ptfe film and a manufacturing method therefor |
| 11/17/1999 | CN1235061A Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same |
| 11/16/1999 | US5985942 Composite membranes, flexibility and vinyl copolymers |
| 11/16/1999 | US5985772 Nonwoven cellulosic fiber webs including, paperboards and corrugated paper board, etc., containing barrier layer that can act both as barrier to the passage of permeant and as trap for contaminant materials by using cyclodextrin compound |
| 11/16/1999 | US5985476 Stable high conductivity functionally gradient compositionally layered solid state electrolytes and membranes |
| 11/16/1999 | US5985328 Micromachined porous membranes with bulk support |
| 11/16/1999 | US5985164 Method for forming a filter |
| 11/16/1999 | US5985151 Method and apparatus of membrane separation |
| 11/10/1999 | EP0954399A1 Multi-channel structures and processes for making such structures |
| 11/10/1999 | CN1234748A Polycrylonitrlle-based hollow-fiber filtration membrane |
| 11/09/1999 | US5980989 Gas separator and method for preparing it |
| 11/09/1999 | US5980987 Method of making a composition for separating and concentrating certain ions from mixed ion solutions |
| 11/09/1999 | US5980986 Phase separation apparatus |
| 11/09/1999 | US5980795 Method of producing hollow fiber polymer membranes |
| 11/09/1999 | US5980709 Method of defining an electrode area |
| 11/09/1999 | US5979670 Large pore synthetic polymer membranes |
| 11/09/1999 | US5979669 Blood filter unit |
| 11/03/1999 | EP0749352B1 Microfabricated particle filter |
| 11/03/1999 | EP0637986B1 Method and device for treating a parenteral emulsion-containing medicament fluid |
| 11/02/1999 | US5976621 Phase separation apparatus |
| 11/02/1999 | US5976433 Dry-jet wet spinning or wet spinning, using a spinneret having heat insulating structure. |
| 11/02/1999 | US5976380 Article of manufacture including a surface modified membrane and process |
| 11/02/1999 | US5976220 That uses a membrane to exchange gas constituents through a diffusion process while substantially blocking particle transfer. |
| 10/28/1999 | WO1999022836A3 Treatment of composite polyamide membranes with hypochlorite to improve performance |
| 10/27/1999 | EP0951529A1 Steam reformer with internal hydrogen purification |
| 10/27/1999 | EP0951502A1 Porous moulded bodies of thermoplastic polymers |
| 10/27/1999 | EP0951498A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 10/21/1999 | DE19917312A1 Unit for determining position eg. liquid level has magnetostrictive wire led through measurement zone and at least one magnet movable through zone to trigger disturbances in wire |
| 10/20/1999 | EP0949960A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation |
| 10/20/1999 | EP0949959A2 Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
| 10/20/1999 | CN1232408A Water filtration device and method of its manufacture |
| 10/20/1999 | CN1232407A Filter medium and air filter unit using same |
| 10/20/1999 | CN1231941A Preparation of asymmetrical hollow polyimide fibre membrane |
| 10/19/1999 | US5969020 Uniform matrix containing dispersion of crystalline additive in crystalline thermoplastic resin formed by melting, then solidification and solvent extraction of additive, for drug delivery or medical equipment, bioabsorbable |
| 10/19/1999 | US5968765 Opaque reaction matrix for the analysis of the whole blood |
| 10/14/1999 | WO1999051330A1 Organic ion-selective membranes |
| 10/14/1999 | CA2330463A1 Organic ion-selective membranes |
| 10/13/1999 | EP0948392A1 Microporous membranes and uses thereof |
| 10/13/1999 | EP0948389A1 Hollow, multi-dimensional array membrane |
| 10/12/1999 | US5964923 Removing water and a portion of hydrocarbons from a gas stream of water, methane, nitrogen and c3+ hydrocarbons; separating methane from nitrogen using membranes that preferentially permeate methane and reject nitrogen |
| 10/12/1999 | US5964725 Gas exchange apparatus using improved silicone rubber hollow fiber |
| 10/06/1999 | EP0946354A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
| 10/06/1999 | EP0946257A1 Diffusional gas transfer system and method of using same |
| 10/06/1999 | EP0946250A1 Hydrophilic polymeric phase inversion membrane |
| 10/06/1999 | EP0946233A1 Method of gasifying or degasifying a liquid |
| 10/06/1999 | EP0946220A1 Reactive coatings |
| 10/06/1999 | EP0797472B1 Process for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration |
| 10/05/1999 | US5961835 Process and installation for the separation of heavy and light compounds by extraction using a supercritical fluid and nanofiltration |
| 10/05/1999 | US5960777 Combustion engine air supply system |
| 09/30/1999 | WO1999048959A1 Microporous polyolefin film |
| 09/30/1999 | WO1999048586A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water |
| 09/30/1999 | CA2325987A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water |
| 09/29/1999 | EP0944420A1 Liquid chromatography column |
| 09/29/1999 | EP0863792B1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 09/29/1999 | CN1230293A Solid electrolyte composite for electrochemical reaction appts. |
| 09/28/1999 | US5958989 Highly asymmetric ultrafiltration membranes |