| 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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| 08/03/2011 | CN102139187A Hyperfiltration membrane or nanofiltration membrane with multi-layered composite structure and preparation method thereof |
| 08/02/2011 | US7989115 Highly stable fuel cell membranes and methods of making them |
| 08/02/2011 | CA2629813C Process for production of zeolite film |
| 08/02/2011 | CA2506229C Permselective membrane and process for manufacturing thereof |
| 08/02/2011 | CA2465791C Mixed matrix membrane for separation of gases |
| 08/02/2011 | CA2446881C Modification of stretched films |
| 07/28/2011 | WO2011091315A2 Nitrogen-permeable membranes and uses thereof |
| 07/28/2011 | WO2011090279A2 Porous films comprising carbon nanostructure-metal composite and method of manufacturing the same |
| 07/28/2011 | WO2011090261A2 Complex filter and water purifier including complex filter |
| 07/28/2011 | WO2011088505A1 Low-fouling filtration membranes |
| 07/27/2011 | CN201908213U Flat sheet membrane coating machine |
| 07/27/2011 | CN201906564U External compression type loop-free solid-liquid separation dynamic membrane device |
| 07/27/2011 | CN102138243A Method for producing a proton-conductive, structured electrolyte membrane |
| 07/27/2011 | CN102137710A Hybrid silica membrane for water removal from lower alcohols and hydrogen separation |
| 07/27/2011 | CN102133508A High-throughput polyamide reverse osmosis composite membrane |
| 07/27/2011 | CN102133507A High-desalination reverse osmosis composite membrane |
| 07/27/2011 | CN102133506A Polyamide composite nanofiltration membrane |
| 07/27/2011 | CN102133503A Integrated composite double-membrane filter element |
| 07/27/2011 | CN101757854B Multi-pipe internal pressure mechanical circulation forced cross current solid-liquid separation dynamic membrane system and device thereof |
| 07/27/2011 | CN101695634B Preparation method of hybrid hollow fiber film of ultrahigh molecular weight polyethylene/inorganic particles |
| 07/27/2011 | CN101474538B Method for coating colloidal sol-gel film on surface of porous substrate |
| 07/26/2011 | US7985331 Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream |
| 07/26/2011 | CA2477190C Polyolefin membrane with integrally asymmetrical structure and process for producing such a membrane |
| 07/21/2011 | WO2011086823A1 Microporous membranes and methods for producing and using such membranes |
| 07/21/2011 | WO2010110739A8 A filter |
| 07/21/2011 | US20110176970 Staged system for producing purified hydrogen from a reaction gas mixture comprising a hydrocarbon compound |
| 07/21/2011 | US20110174723 Composite semi-permeable membrane and method for producing same |
| 07/21/2011 | US20110174722 Zeolite separation membrane, method for producing the same, and bonding agent |
| 07/20/2011 | CN102131571A Microporous polymeric membranes, methods for making such membranes, and the use of such membranes as battery separator film |
| 07/20/2011 | CN102131570A Porous membranes made up of organopolysiloxane copolymers |
| 07/20/2011 | CN102131569A Porous membrane and preparation method thereof |
| 07/20/2011 | CN102131568A Method of forming rewettable asymmetric membrane |
| 07/20/2011 | CN102131566A Method of forming an asymmetric membrane |
| 07/20/2011 | CN102131565A Supply-side passage material and spiral separation-membrane element |
| 07/20/2011 | CN102127243A Conductive and antibacterial polytetrafluoroethylene composite thin film and manufacturing method thereof |
| 07/20/2011 | CN102125811A Method for preparing polyvinyl alcohol-chitosan nano filtration membrane |
| 07/20/2011 | CN102125810A Method for preparing coal-based composite carbon membrane from recombination family components |
| 07/20/2011 | CN102125809A Method for improving performance of reverse osmosis composite membrane through vapor treatment |
| 07/20/2011 | CN101766962B Method for preparing positively charged nanofiltration membranes |
| 07/20/2011 | CN101612530B LabView control-based two-component hollow fiber composite membrane melt-spinning and stretching equipment |
| 07/20/2011 | CN101422706B Preparation method of co-mixing polyvinylidene fluoride hollow fiber membrane with improved hydrophilicity |
| 07/20/2011 | CN101352657B Homogeneous phase cation exchange film and preparation method thereof |
| 07/14/2011 | WO2011046514A3 Hollow fiber membrane |
| 07/14/2011 | US20110168631 Methods and apparatuses for water filtration using polyarylether membranes |
| 07/14/2011 | US20110168630 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof |
| 07/14/2011 | US20110168628 Polyamide hollow fiber membrane, and production method thereof |
| 07/14/2011 | US20110168623 Feed side passage material and spiral separation membrane element |
| 07/13/2011 | EP2117688B1 Modified polyamide membrane |
| 07/13/2011 | CN102120150A Gear type hydrogen-permeable palladium or palladium alloy film and hydrogen separator |
| 07/13/2011 | CN102120149A Method for preparing acid-proof polysulfonamide nanofiltration composite film |
| 07/13/2011 | CN102120148A Preparation method for composite film of chitosan/sulfonated polyethersulfone and polyethersulfone and application thereof |
| 07/13/2011 | CN102120147A Method for preparing superhydrophobic breathable composite film |
| 07/13/2011 | CN102120146A Preparation method of filter core of composite ultrafiltration tube membrane |
| 07/12/2011 | US7976710 Membrane and process for the recovery of acid |
| 07/07/2011 | WO2011082323A1 Microfluidic device facilitating gas exchange, and methods of use and manufacture thereof |
| 07/07/2011 | WO2011081779A2 Metal organic framework polymer mixed matrix membranes |
| 07/07/2011 | WO2011081145A1 Multilayered charge-mosaic membrane and manufacturing method therefor |
| 07/07/2011 | WO2011079413A1 Non-woven membrane bioreactor and its fouling control method |
| 07/07/2011 | WO2011025607A3 Reverse osmosis composite membranes for boron removal |
| 07/07/2011 | US20110163029 Method for substance separation using a cellulose hydrate membrane in size exclusion chromatography |
| 07/07/2011 | CA2786008A1 Microfluidic device facilitating gas exchange, and methods of use and manufacture thereof |
| 07/06/2011 | EP2340107A1 Method for producing a preformed gas-permeable membrane or a material composite comprising such a membrane for a piece of clothing |
| 07/06/2011 | EP1667788B1 Manufacture of a microsieve and apparatus comprising a microsieve |
| 07/06/2011 | CN102115921A Glycosylated nanofiber membrane and preparation method and application thereof |
| 07/06/2011 | CN102114392A Method for preparing reverse osmosis composite membrane containing modified nano-zeolite molecular sieve |
| 07/06/2011 | CN102114391A Method for preparing polyisophthaloyl metaphenylene diamide nanofiltration membrane |
| 07/06/2011 | CN102114390A Reinforced type polyvinylidene fluoride hollow fiber hydrophobic membrane and preparation method thereof |
| 07/06/2011 | CN102114389A Silver-loaded nano-titanium dioxide/polrvinyl chloride membrane and preparation method thereof |
| 07/06/2011 | CN102114388A Bacteriostatic nano silver polyvinyl chloride filter membrane and preparation method thereof |
| 07/06/2011 | CN101337166B Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 07/06/2011 | CN101134158B Compound film for separating hydrogen gas and method for preparing the same and the hydrogen gas segregator |
| 07/05/2011 | US7971729 Separation membrane complex, and method for manufacturing the separation membrane complex |
| 07/05/2011 | CA2503691C Membrane for tangential filtration on gradient-porous support and production method thereof |
| 06/30/2011 | WO2011078131A1 Semipermeable membrane and manufacturing method therefor |
| 06/30/2011 | WO2011078047A1 Composite semipermeable membrane and method for producing same |
| 06/30/2011 | US20110155659 Porous membrane and preparation method thereof |
| 06/29/2011 | CN102112214A Functionalized thin film polyamide membranes |
| 06/29/2011 | CN102112213A Frame system for membrane filtration modules |
| 06/29/2011 | CN102107124A Stainless steel mesh sintered polytetrafluoroethylene membrane and preparation method thereof |
| 06/29/2011 | CN102107123A Method for preparing porous carbon membrane |
| 06/29/2011 | CN102107122A Membrane fiber structure for membrane bioreactor and membrane bioreactor |
| 06/29/2011 | CN102107121A Method for preparing hollow fiber microporous membrane by thermally-induced phase separation method |
| 06/29/2011 | CN101700473B Self-assembly method of inorganic nano particle hybridization organic membrane |
| 06/29/2011 | CN101698137B Method for preparing polyelectrolyte complex/bentonite hybrid pervaporation membrane |
| 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 | 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 |
| 06/28/2011 | US7967958 Electrode for water electrolysis |
| 06/23/2011 | US20110147308 Charged Porous Polymeric Membranes and Their Preparation |
| 06/23/2011 | US20110147300 Composition for preparation of hollow fiber porous membrane and preparation method using the same |
| 06/23/2011 | US20110146493 Filter bag and laminated filter media |
| 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 | 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 | CN201871261U Filtering device |