| 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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| 04/27/1999 | CA2249253A1 Hydrophilic membrane |
| 04/27/1999 | CA2029484C Gas separation by adsorbent membranes |
| 04/27/1999 | CA2003539C A fluid fractionating, stacked permeable membrane envelope assembly, and a fluid distributing and permeable membrane sealing collar |
| 04/22/1999 | WO1999019456A1 Steam reformer with internal hydrogen purification |
| 04/21/1999 | CN1214710A Porous film, process for producing the same, and laminate films and recording sheets made with the use porous film |
| 04/20/1999 | US5895573 Bundle of capillary ultrafiltration membranes fitted in a filter housing |
| 04/15/1999 | WO1999018282A1 Improved industrial fabrics |
| 04/15/1999 | WO1999018033A1 Apparatus and method for the purification of water |
| 04/15/1999 | WO1999017866A1 Composite hollow fiber membrane |
| 04/15/1999 | CA2305719A1 Improved industrial fabrics |
| 04/15/1999 | CA2305583A1 Apparatus and method for the purification of water |
| 04/14/1999 | CN1213985A Composite reverse osmosis membrane and method of reverse osmotic treatment of water using same |
| 04/13/1999 | US5893974 Inorganic porous shell provoding a selective molecular barrier between interior and exterior |
| 04/07/1999 | CN1213339A Highly porous polyvinylidene difluoride membranes |
| 04/06/1999 | US5891572 Method of preparing membranes from blends of polymers |
| 04/05/1999 | CA2248556A1 Filter means and method for the purification of water |
| 04/01/1999 | WO1999015252A1 Deaerating module |
| 03/31/1999 | EP0904819A1 Pleats filter |
| 03/31/1999 | CN1212176A Hybrid solid electrolyte ionic conductor systems for purifying inert gases |
| 03/30/1999 | US5888365 Electrophoretic separation |
| 03/24/1999 | EP0902893A1 Means for the biological purification of a biological fluid |
| 03/24/1999 | CN1211966A Hollow microfiber of ceramic material, process for its manufacture and its use |
| 03/23/1999 | US5886059 Porous filter was produced by blending the polymer with a solvent, adding a non-solvent into solution, exposing to a gas, precipitating the polymer by quenching the dispersion with a non-solvent |
| 03/23/1999 | US5885456 Microporous ulrafiltration membrane comprising blend of polysulfone and polysulfone grafted with free radical initiated addition polymer; water wettable, low protein binding |
| 03/18/1999 | WO1999012634A1 Moulded filter media comprising a sheet of porous nonwoven material |
| 03/18/1999 | CA2302589A1 Moulded filter media comprising a sheet of porous nonwoven material |
| 03/17/1999 | EP0711199B1 Composite membranes and their preparation from polymer particles on a porous substrate |
| 03/17/1999 | CN1042498C Polytetrafluoroethylene porous film and method for making the same |
| 03/16/1999 | US5883161 Preventing food contamination |
| 03/16/1999 | US5882382 Polyimide semipermeable membrane |
| 03/11/1999 | WO1999011362A1 Filter element having a filter active structure coated with a nanoceramic layer |
| 03/10/1999 | EP0900249A1 Integral multi-layered ion-exchange composite membranes |
| 03/10/1999 | EP0900123A1 Particle-loaded membranes as oxidant scavengers |
| 03/09/1999 | US5879554 Consists of a mixture of polyethersulfone and sulfonated polyethersulfone; dissolving the mixture in a solvent, shaping, precipitating the shaped polymer solution in a precipitating bath to form synthetic hemodialysis membrane |
| 03/09/1999 | US5879431 Ethylene/nitrogen separation process |
| 03/04/1999 | WO1999010090A1 Polyion complex separation membrane with a double structure |
| 03/04/1999 | WO1999010089A1 A process for repairing membrane imperfections |
| 03/04/1999 | WO1999010087A1 Method for separating actinides and lanthanides by membrane transport using a calixarene |
| 03/04/1999 | DE19839576A1 Air filter |
| 03/04/1999 | DE19738376A1 Filterelement Filter element |
| 03/03/1999 | CN1209758A System for filtering medical and biological fluid suspension |
| 03/02/1999 | US5876604 Amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole |
| 03/02/1999 | US5876602 Reverse osmosis membranes are treated with an aqueous hypohalite chlorinating agent at a concentration of 200 to 10,000 ppm for a time sufficient to improve flux, lower salt passage and increase the stability to base. |
| 02/25/1999 | DE19736854A1 Membrane resistant to bio-fouling, useful in oxygen sensor or filter for nutrient test sample |
| 02/23/1999 | US5874316 Receptor membranes and ionophore gating |
| 02/18/1999 | WO1999007548A1 Dimensionally stabilized breathable membrane |
| 02/18/1999 | WO1999007458A1 Hollow fiber co-flow filtration device |
| 02/17/1999 | CN1207956A Semipermeable encapsulated membranes with improved acid and base stability process for their manufacture and their use |
| 02/16/1999 | US5871680 Method and apparatus for spinning hollow fiber membranes |
| 02/16/1999 | US5871649 Affinity membrane system and method of using same |
| 02/11/1999 | WO1999006138A1 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell |
| 02/11/1999 | CA2294531A1 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell |
| 02/10/1999 | EP0896100A1 Absorbing net |
| 02/09/1999 | US5869174 High degree of water permeability, sufficient strength and rigidity, used in separation and testing applications |
| 02/09/1999 | US5869073 Antimicrobial liquid compositions and methods for using them |
| 02/09/1999 | US5868992 Treatment of gas separation membranes with inert solvent |
| 02/09/1999 | US5868976 Process of making a dialysis membrane |
| 02/09/1999 | US5868975 Preparing polyimide type membrane having reduced number of pin holes on the surface |
| 02/09/1999 | US5868936 Elongated housing with encased hollow fibers having ligands immobilized to internal surface for removing targeted molecules contained in blood plasma |
| 02/09/1999 | US5868933 Antimicrobial filter cartridge |
| 02/04/1999 | WO1999004891A1 Integrally asymmetrical polyolefin membrane for gas transfer |
| 02/04/1999 | WO1999004889A1 Filtering device |
| 02/04/1999 | DE19750215C1 Gelatin membrane filter increasing number of viable micro-organisms collected from gas |
| 02/03/1999 | EP0894524A2 Mass transfer method |
| 02/03/1999 | CN2306068Y Membrane composite filtering cloth |
| 02/03/1999 | CN1207053A Membrane moudle for a membrane sparation system, its use and process for producing the same |
| 02/02/1999 | US5865878 Method for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 01/28/1999 | WO1999003559A1 Sintered metal fiber for use in the preparation of beverages |
| 01/28/1999 | DE19731551A1 Filtervorrichtung Filter device |
| 01/27/1999 | EP0893183A2 Exothermic process with porous means to control reacton rate and exothermic heat |
| 01/27/1999 | EP0687195B1 Multilayer filter material |
| 01/26/1999 | US5864743 Multi-channel structures and processes for making structures using carbon filler |
| 01/26/1999 | US5863645 High strength, microporous layer |
| 01/21/1999 | WO1999002248A1 Highly asymmetric polyethersulfone filtration membranes |
| 01/21/1999 | WO1999002247A1 Integral non woven reinforcement porous membbranes |
| 01/21/1999 | WO1999002246A1 Highly asymmetric ultrafiltration membranes |
| 01/21/1999 | CA2293802A1 Highly asymmetric ultrafiltration membranes |
| 01/20/1999 | EP0892448A2 Shutdown, trilayer battery separator and process of manufacture |
| 01/20/1999 | EP0891807A2 Biphasic material |
| 01/20/1999 | EP0891712A1 Liquid dispenser for sterile solutions |
| 01/20/1999 | EP0891221A1 Membrane module for a membrane separation system, its use and process for producing the same |
| 01/14/1999 | WO1999001208A1 Composite reverse osmosis membrane and process for preparing the same |
| 01/14/1999 | WO1999001207A1 FILTRATION MEMBRANE WITH CALCINED α-ALUMINA PARTICLES THEREIN |
| 01/12/1999 | CA2086128C Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them |
| 01/07/1999 | EP0889080A1 Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films |
| 01/07/1999 | EP0888810A1 Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same |
| 01/07/1999 | EP0888480A1 Cellulosic web with a contaminant barrier or trap |
| 01/07/1999 | EP0888211A1 Highly porous polyvinylidene difluoride membranes |
| 01/07/1999 | EP0888173A1 Procedure for preparing molecular sieve films |
| 01/07/1999 | EP0888172A1 Endotoxin-specific membranes |
| 01/07/1999 | EP0888171A1 Asymmetric supported membrane for direct osmotic concentration |
| 01/05/1999 | US5855783 Pleated poly(tetra-fluoro ethylene) filter cartridge |
| 01/05/1999 | US5855201 Gas exchange apparatus |
| 01/05/1999 | CA2045640C Receptor membranes and ionophore gating |
| 12/30/1998 | WO1998059385A1 Lithium recovery and purification |
| 12/30/1998 | WO1998058728A1 Polyacrylonitrile-base hollow-fiber filtration membrane |
| 12/30/1998 | EP0887099A2 Process for separating oxygen from a gas mixture using a solid electrolyte membrane |
| 12/30/1998 | EP0722541B1 Micromachined flow switches |
| 12/30/1998 | CN1203119A Method for making poly-meta-fluoethylene hollow fibre porous membrane and products thereof |
| 12/23/1998 | WO1998057733A1 Membrane module with unilaterally embedded hollow fiber membranes |