| 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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| 04/23/2009 | WO2008041969A3 Gas-selective permeable membrane system, and method of its production |
| 04/23/2009 | WO2008041968A3 Pd membrane having improved h2-permeance, and method of making |
| 04/23/2009 | US20090101507 Sperm cell separation by electrophoresis |
| 04/22/2009 | EP2049179A1 Retention of noble gases in the exhaled air of ventilated patients with the help of membrane separation |
| 04/22/2009 | CN101415803A Method for separating methane, methane separator and methane utilization system |
| 04/22/2009 | CN101415756A Method of manufacturing porous polytetrafluoroethylene membrane, filter medium, and filter unit |
| 04/22/2009 | CN100480281C Fluoropolymer dispersion and process for producing the same |
| 04/22/2009 | CN100479905C A hybridized amphion membrane containing different acid groups and method for preparing the same |
| 04/22/2009 | CN100479904C Ceramic film filtering element |
| 04/21/2009 | US7520921 Gas-removing devices and air supply systems having the gas-removing devices |
| 04/16/2009 | WO2009048743A1 Microporous membranes having a relatively large average pore size and methods of making the same |
| 04/16/2009 | WO2009048663A2 Nano-structured polymer composites and process for preparing same |
| 04/16/2009 | WO2009048114A1 Gas purification method |
| 04/16/2009 | WO2007072208A3 Metal complex polymer and application thereof |
| 04/16/2009 | WO2006073474A3 Composite solid polymer electrolyte membranes |
| 04/16/2009 | US20090098449 microporous polyolefin membrane use for battery separator, having a pore size distribution in the thickness direction can be produced by treating, with a hot solvent; polyethylene, polypropylene, ethylene-propylene copolymer; ultrahigh molecualar weight polyethylene, high density polyethylene |
| 04/16/2009 | DE102008037382A1 Wärmebehandlungsverfahren für eine expandierte Polytetrafluorethylen-Membran Heat treatment method for an expanded polytetrafluoroethylene membrane |
| 04/16/2009 | CA2701832A1 Microporous membranes having a relatively large average pore size and methods of making the same |
| 04/15/2009 | EP2047899A1 Organic-inorganic membranes |
| 04/15/2009 | EP2047898A1 Fluororesin polymer separation membrane and process for producing the same |
| 04/15/2009 | EP2046490A1 Method for producing a component, particularly a micromechanical and/or microfluidic and/or microelectronic component, and component |
| 04/15/2009 | EP1896851A4 Membrane array and analytical device |
| 04/15/2009 | EP1789167A4 Method of stably producing microporous membrane and use thereof in method of separating and purifying nucleic acid |
| 04/15/2009 | CN101407550A Cellulose acetate made from raw material hemp dissolving pulp, preparation and use thereof |
| 04/15/2009 | CN101406813A Method for producing polysulfones hybrid membrane with separated pore passages formed by LUM particles |
| 04/15/2009 | CN101406812A Method for producing thermoplastic polyurethane elastomer/polyvinylidene fluoride blended hollow fiber film |
| 04/15/2009 | CN101406811A Blended fiberglass overlay film filter material |
| 04/15/2009 | CN100478057C Method for preparing composite ceramic super-filtering film on porous stainless steel substrate |
| 04/15/2009 | CN100478056C Oxidation resistant compound reverse osmosis membrane |
| 04/14/2009 | US7517603 Stressed thin-film membrane islands |
| 04/14/2009 | CA2536148C Gas separating body and method for producing same |
| 04/14/2009 | CA2374581C Isolation of sf6 from insulating gases in gas-insulated lines |
| 04/09/2009 | WO2009045633A1 Permeate adapter for multi-tube pressure vessel |
| 04/09/2009 | WO2009044588A1 Novel gas separation membrane, method for producing the same, and gas processing method using the same |
| 04/09/2009 | WO2009044227A1 Microporous polymer membrane |
| 04/09/2009 | WO2009017356A3 Hollow fiber membrane for humidifier and method for manufacturing the same |
| 04/09/2009 | DE102007044918A1 Wasserstoffpermeable Membranen aus metallischem Verbundwerkstoff Hydrogen permeable membranes of metallic composite material |
| 04/08/2009 | EP2045212A1 Hydrogen reforming method and hydrogen reforming device using oxygen-permeable membrane |
| 04/08/2009 | EP2045001A1 Ceramic filter |
| 04/08/2009 | EP2045000A1 Filtration apparatus |
| 04/08/2009 | EP2043767A2 Adsorptive membranes for trapping viruses |
| 04/08/2009 | EP2043755A2 Graded external prefilter element for continuous-flow systems |
| 04/08/2009 | EP2005983A9 Hollow fiber membrane with excellent performance stability and blood purifier and method for producing hollow fiber membrane |
| 04/08/2009 | CN201216922Y Seven-aperture PVC ultra-filtration membrane |
| 04/08/2009 | CN101402023A Antimicrobial flat-plate separation film and method of producing the same |
| 04/08/2009 | CN101402022A Novel methods for producing type A molecular sieve film in current system |
| 04/08/2009 | CN100475321C Porous membrane for water treatment and process for producing the same |
| 04/07/2009 | US7514036 Multiphase Nb Ti Co alloy including a Co-Ti phase and an Nb-Ti) phase with a granular structure; hydrogen embrittlement resistance |
| 04/07/2009 | US7513932 Planar ceramic membrane assembly and oxidation reactor system |
| 04/07/2009 | CA2426734C Process for improving the purity of quaternary ammonium hydroxides by electrolysis |
| 04/02/2009 | US20090087605 Composite Porous Materials and Methods of Making and Using the Same |
| 04/02/2009 | DE102008034297A1 Gegenstand und damit verbundenes Verfahren Subject matter and associated method |
| 04/01/2009 | EP2040827A1 Use of a colloidal suspension of a cationic polymer to treat a support for medical use |
| 04/01/2009 | EP2040822A1 Oxygen separation membrane |
| 04/01/2009 | EP1919600B1 Porous membrane and recording medium, as well as process for preparing same |
| 04/01/2009 | CN101400605A Process for producing ddr type zeolite membrane |
| 04/01/2009 | CN101400388A Hollow fiber membrane with excellent performance stability and blood purifier and method for producing hollow fiber membrane |
| 04/01/2009 | CN101397142A Microwave apparatus and method for synthesizing molecular sieve film |
| 04/01/2009 | CN101396642A Antibiotic hollow fiber separation film and preparation method thereof |
| 04/01/2009 | CN100473443C 陶瓷过滤器 Ceramic filters |
| 03/31/2009 | US7510598 Gas separating body and method for producing same |
| 03/31/2009 | CA2519235C Filter media with enhanced microbiological interception capability |
| 03/31/2009 | CA2316742C Membrane for tangential filtration and manufacturing process thereof |
| 03/26/2009 | WO2009038233A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2009038231A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2009038229A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2009036905A1 Hydrogen-permeable membrane made of a metal composite material |
| 03/26/2009 | WO2008018181A9 Porous membrane of vinylidene fluoride resin and process for producing the same |
| 03/26/2009 | US20090078640 High Flux Fluid Separation Membranes Comprising a Cellulose or Cellulose Derivative Layer |
| 03/25/2009 | EP2039657A1 Hydrofluoric acid treatment apparatus |
| 03/25/2009 | EP2000499A9 Process for production of polytetrafluoroethylene porous membrane, filter medium and filter unit |
| 03/25/2009 | EP1866395A4 Apparatus and method for bio-fuel production |
| 03/25/2009 | CN101394918A Hydrogen permeation/separation thin membrane |
| 03/25/2009 | CN101394917A Porous diffusion type flat-film separating device, flat-film condensing device, regenerated cellulose porous film for porous diffusion, and non-destructive type flat-film inspecting method |
| 03/25/2009 | CN101391181A Method for preparing porous ceramic film support |
| 03/25/2009 | CN100471822C Method of forming a joint |
| 03/25/2009 | CN100471547C Permeable film for separating hydrogen |
| 03/25/2009 | CN100471546C Bicontrol film layer inorganic film pipe and its preparation method |
| 03/24/2009 | US7507469 Substrate comprises sintered porous polymer material; first layer comprises molecules bound to substrate surface through covalent bounds or electrostatic interactions; second layer comprises molecules bound to first layer through covalent bounds or electrostatic interactions; for extraction, separation |
| 03/24/2009 | CA2222097C Membranes of polyurethane based materials including polyester polyols |
| 03/19/2009 | WO2009035415A1 Polymeric membranes incorporating nanotubes |
| 03/19/2009 | WO2009002747A3 Convenient substance-recovery system and process |
| 03/19/2009 | WO2008139229A3 Pores |
| 03/19/2009 | US20090076178 Cross-Linkable Bi-Sulphonyl Derivatives And Their Uses For Preparing Ion-Exchanging Membranes |
| 03/19/2009 | US20090075149 Solid acid electrolytes for electrochemical devices |
| 03/19/2009 | US20090071905 Methods of Making and Using Filtering Unit for a Virucide Substance |
| 03/19/2009 | US20090071339 Method Of Manufacturing Porous Polytetrafluoroethylene Membrane, Filter Medium, And Filter Unit |
| 03/18/2009 | EP2035124A1 Membrane-based article and associated method |
| 03/18/2009 | EP1706441B1 Proton-conducting membrane and use thereof |
| 03/18/2009 | EP1545749A4 Ultrafiltration membrane, device, bioartificial organ and methods |
| 03/18/2009 | EP1360985B1 Method and apparatus for separating and recovering halide gas |
| 03/18/2009 | CN101389397A Method and apparatus for removing metal sulphide particles from a liquid stream |
| 03/18/2009 | CN101385949A Ammonia exclusion film for livestock and poultry house and preparation method thereof |
| 03/18/2009 | CN100469417C System for recovering hydrogen from air discharged from methanol synthesis processing by membrane method |
| 03/17/2009 | US7504034 a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and poor solvent at a temp. above a phase separation temperature into a cooling bath at a temperature below the phase separation temperature to coagulate the polyvinylidene fluoride |
| 03/12/2009 | WO2009032744A1 Ionically conductive polymers for use in fuel cells |
| 03/12/2009 | US20090068688 PVDF membranes |
| 03/12/2009 | CA2704515A1 Ionically conductive polymers for use in fuel cells |
| 03/11/2009 | EP2033705A1 Polymer separation membrane and process for producing the same |
| 03/11/2009 | EP2033704A2 Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |