| 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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| 06/29/2011 | CN101507902B Preparation method of porous polyvinylidene fluoride alloy membrane for treating and recycling waste water |
| 06/29/2011 | CN101439268B Method for preparing high-intensity high-throughput polyvinylidene fluoride hollow fiber membrane |
| 06/29/2011 | CN101293183B Method for preparing hydrophilic polyvinyl chloride alloy ultrafiltration membrane |
| 06/29/2011 | CN101254422B High intensity PVC hollow fiber hyperfiltration membrane and method of preparing the same |
| 06/28/2011 | US7968153 Continuous method for production of a regioselective porous hollow fibre membrane |
| 06/23/2011 | WO2011074696A1 Microporous membranes, methods for making same and their use as battery separator films |
| 06/23/2011 | US20110147308 Charged Porous Polymeric Membranes and Their Preparation |
| 06/23/2011 | US20110147292 Cellulose hydrate membrane, method for the production thereof, and use thereof |
| 06/22/2011 | EP2335815A1 Asymmetric gas separation membrane, and gas separation method |
| 06/22/2011 | EP2335814A1 Use of porous hollow-fiber membrane for producing clarified biomedical culture medium |
| 06/22/2011 | EP2335805A1 Crosslinked and crosslinkable hollow fiber membrane and method of making same |
| 06/22/2011 | EP2334416A2 Microporous polymeric membranes, methods for making such membranes, and the use of such membranes as battery separator film |
| 06/22/2011 | EP2334415A1 Mullite module for liquid filtration |
| 06/22/2011 | EP2334414A2 Cast-on-tricot asymmetric and composite separation membranes |
| 06/22/2011 | EP1461137B1 Crosslinked and crosslinkable hollow fiber membrane and method of making same |
| 06/22/2011 | EP1310005B9 Multi-component composite film method for preparing the same |
| 06/22/2011 | CN1929901B 分离膜 Membranes |
| 06/22/2011 | CN1867622B Microporous PVDF films and method of manufacturing |
| 06/22/2011 | CN102105214A Composite semipermeable membrane and manufacturing method therefor |
| 06/22/2011 | CN102101021A Alkaline anionic membrane and preparation method thereof |
| 06/22/2011 | CN102101020A High-effect reverse osmosis/nanofiltration compound separation membrane material as well as preparation method and application thereof |
| 06/22/2011 | CN101502763B Novel biological contamination-resistant ultrathin compound film and preparation method thereof |
| 06/21/2011 | US7964019 Gas separation membrane |
| 06/21/2011 | US7963466 Nozzle device and nozzle for atomisation and/or filtration and methods for using the same |
| 06/21/2011 | CA2459340C Hydrophilic polymers and their use in electrochemical cells |
| 06/16/2011 | WO2011071138A1 Silica-containing hydrogen-separating material and process for production thereof, and hydrogen separation module and hydrogen production apparatus each comprises the hydrogen-separating material |
| 06/16/2011 | WO2011069441A1 Method for preparing composite multilayer porous hollow fiber membrane and device and product thereof |
| 06/16/2011 | WO2011028541A3 Forward osmosis membranes |
| 06/16/2011 | WO2011028342A3 Enhanced transport selectivity using nanoparticle filled polymers |
| 06/16/2011 | US20110143232 Gel-Filled Membrane Device and Method |
| 06/16/2011 | US20110139708 Composite semipermeable membrane and manufacturing method therefor |
| 06/16/2011 | US20110139008 Ptfe pleated filter element |
| 06/16/2011 | US20110139007 Hydrogen separator and process for production thereof |
| 06/16/2011 | CA2783961A1 Silica-based hydrogen separation material and manufacturing method therefor, as well as hydrogen separation module and hydrogen production apparatus having the same |
| 06/15/2011 | EP2332639A1 Separation membrane, and method for producing same |
| 06/15/2011 | EP2332638A1 Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module |
| 06/15/2011 | EP2332633A1 Crosslinked and crosslinkable hollow fiber membrane and method of making same |
| 06/15/2011 | CN201862366U Synthesizing device of precursor for polyimide film |
| 06/15/2011 | CN102099405A Process for preparing membranes |
| 06/15/2011 | CN102099187A Vent filter and method for manufacturing thereof |
| 06/15/2011 | CN102099099A Composite semi-permeable membrane and method for producing same |
| 06/15/2011 | CN102099098A Filtration method, method of purifying abrasive composition using the same, method of regenerating filter for use in filtration, and apparatus for regenerating filter |
| 06/15/2011 | CN102093717A Sulfonated polyethersulfone/TiO2 nano composite material and preparation method thereof |
| 06/15/2011 | CN102093539A Porous polymer material and preparation method thereof |
| 06/15/2011 | CN102091541A Biomolecule fixing method |
| 06/15/2011 | CN102091540A Preparation method of sulfonated polyethersulfone/TiO2 nano composite ultrafiltration membrane |
| 06/15/2011 | CN102091539A Method for preparing nanofiltration membrane |
| 06/15/2011 | CN102091538A Method for preparing polyvinyl alcohol nanofiltration membrane with high rejection coefficient |
| 06/15/2011 | CN102091537A Anti-microbial contamination hollow fiber membrane and preparation method thereof |
| 06/15/2011 | CN102091536A Method for preparing structure controlled temperature-sensitive polyvinylidene fluoride flat separation membrane and product |
| 06/15/2011 | CN102091535A Light membrane for treating wastewater |
| 06/15/2011 | CN102091534A Positively charged microporous ceramic film and preparation method thereof |
| 06/15/2011 | CN101633734B Block copolymers and use thereof |
| 06/15/2011 | CN101612532B High-strength sub-micron pore separation membrane, preparation method and application thereof |
| 06/15/2011 | CN101397142B Microwave apparatus and method for synthesizing molecular sieve film |
| 06/15/2011 | CN101322919B Method for preparing micropore ceramic separation film |
| 06/15/2011 | CN101284215B Preparation method of perovskite hollow fiber membrane |
| 06/14/2011 | US7959979 Method of forming coated structures |
| 06/14/2011 | US7959784 Making solutions of alkali alkoxides (eg sodium methoxide ) in their corresponding alcohols (methanol from aqueous sodium hydroxide) |
| 06/14/2011 | US7959711 Gas separation membrane system and method of making thereof using nanoscale metal material |
| 06/14/2011 | US7959011 Ceramic flexible membrane providing improved adhesion to the support fleece |
| 06/14/2011 | CA2640421C Process for removing silica in heavy oil recovery |
| 06/09/2011 | WO2011068753A1 Method of insertion of porous materials in microfluidic devices |
| 06/09/2011 | WO2011067064A1 Perforated film |
| 06/09/2011 | WO2011067054A1 Composite silicone membranes with high separating action |
| 06/09/2011 | US20110132834 Composite semipermeable membrane and manufacturing method therefor |
| 06/09/2011 | US20110132762 Nanoengineered field induced charge separation membranes manufacture thereof |
| 06/09/2011 | DE102009047351A1 Komposit-Siliconmembranen mit hoher Trennwirkung Composite silicone membranes with high separation efficiency |
| 06/09/2011 | CA2782798A1 Composite silicone membranes of high separation efficiency |
| 06/08/2011 | EP2329873A1 A filter support |
| 06/08/2011 | EP1827664B1 Membrane post treatment |
| 06/08/2011 | CN1835812B Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane |
| 06/08/2011 | CN102089070A Preparation of high performance ultra filtration hollow fiber membrane |
| 06/08/2011 | CN102089069A Microporous membranes and methods for producing and using such membranes |
| 06/08/2011 | CN102089068A Hybrid nanoparticle TFC membranes |
| 06/08/2011 | CN102085459A Method for preparing anti-polluting oil-water separation ultra-filtration membrane |
| 06/08/2011 | CN101745322B Multi-layer perfluorinated cross-linking adulterated ionic membrane compounding micro-porous membrane and fiber |
| 06/08/2011 | CN101745321B Micro-porous membrane reinforced perfluorinated cross-linking ion exchange membrane and preparation method thereof |
| 06/08/2011 | CN101733019B Microporous membrane reinforced fluorine-containing crosslinked and doped ion exchange membrane and preparation method thereof |
| 06/08/2011 | CN101733018B Microporous membrane reinforced perfluorinated chain crosslinked and doped perfluoro ion exchange membrane |
| 06/08/2011 | CN101733015B Micro-porous membrane reinforced multi-layer fluorine-containing cross-linking ionic membrane and preparation method thereof |
| 06/08/2011 | CN101733014B Fiber composite and multi-layer perfluorinated cross-linked doped ion-exchange membrane |
| 06/08/2011 | CN101318110B Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 06/07/2011 | US7955526 Addition of (a) blocking agent(s) in a ceramic membrane for clocking crystalline growth of grains during atmospheric sintering |
| 06/03/2011 | WO2011066332A2 Graphene dispersion, and graphene membrane and devices incorporating the same |
| 06/03/2011 | WO2011023371A3 Method for potting ceramic capillary membranes |
| 06/02/2011 | US20110127219 Porous membranes made up of organopolysiloxane copolymers |
| 06/02/2011 | US20110127212 Crystalline polymer microporous membrane, method for producing the same, and filtration filter |
| 06/01/2011 | EP2327469A1 Composite semitransparent film and manufacturing method therefor |
| 06/01/2011 | EP2327468A1 Use of a ceramic membrane based on a substrate comprising polymer fibers as reservoir for humidity |
| 06/01/2011 | EP2326609A1 Methods of making inorganic membranes |
| 06/01/2011 | EP2054142B1 Hollow fiber membrane and braided tubular support therefor |
| 06/01/2011 | CN102078772A Carbon nano tube-polymer hybridization film and preparation method thereof |
| 06/01/2011 | CN102078771A Preparation method for positively charged three-dimensional nanofibre membrane |
| 06/01/2011 | CN101733004B Doped and fiber-modified cross-linking perfluorinated ion exchange membrane |
| 06/01/2011 | CN101717516B Preparation method of polysiloxane-polyphenylether segmented copolymer for penetrative vaporization film material |
| 06/01/2011 | CN101537315B Preparation technology of diethylene triamine pentacetic acid modified polyvinylidene fluoride separation membrane and resin |
| 06/01/2011 | CN101357303B Preparation method of polyvinylidene fluoride hollow fiber composite microporous film with strong interface binding power |
| 06/01/2011 | CN101259384B T type molecular sieve membrane containing rich erionite, preparation and application in gas separation |
| 05/31/2011 | US7951237 Polymer composition and molded articles produced therefrom |