Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
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)
10/2003
10/23/2003US20030197308 Microstructure tube; uniform overcoatings; gas permeability
10/23/2003CA2480513A1 Hydrophobic membrane materials for filter venting applications
10/22/2003EP0900249B1 Integral multi-layered ion-exchange composite membranes
10/22/2003EP0831963B1 Microfabricated porous membranes with bulk support
10/22/2003CN1450930A Soft tubing unit
10/22/2003CN1124874C Process and special equipment for preparing anti-pollution compound polyvinyl alcohol film
10/21/2003US6635594 Coating with a layer of zeolite particles of a narrow particle distribution size of between 20 and 0.01 microns
10/21/2003US6635201 Cast membrane structures for sample preparation
10/21/2003US6635104 Gas separation device
10/16/2003WO2003084768A1 Micro/nano-embossing process and useful applications thereof
10/16/2003WO2003084651A1 Epoxysilicone coated membranes
10/16/2003WO2003067691A3 Polymer electrolyte membranes for use in fuel cells
10/16/2003US20030194547 Membrane composite structure and method of production
10/16/2003US20030192828 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same
10/16/2003US20030192826 Hydrophobic membrane Materials for filter venting applications
10/16/2003US20030192428 Hollow fiber membrane contactor
10/16/2003US20030192363 Filter for gas analysis
10/15/2003EP1351725A2 Apparatus and method for in-vivo plasmapheresis using periodic backflush
10/15/2003CN1449317A Module used as a filter, catalyst or heater and a method for producing the same
10/14/2003US6632850 Crystallizable propylene- containing polymer, a beta-nucleating agent, and a diluent that is miscible with the polymer at a temperature above the melting temperature of the polymer
10/14/2003US6632366 Cellulose acetate propionate or cellulose acetate butyrate.
10/14/2003US6632361 A hydrophilically acting shaped object with porous structure forms a flat, tubular or hollow fiber membrane for pyrogen retention, comprising a synthetic polymer component and an additive of copolymer of vinylpyrrolidone and vinylimidazole
10/14/2003US6632360 Separating device comprising a ceramic membrane
10/14/2003US6632359 Apparatus with high elimination performance of low molecular weight proteins and remarkably decreased endotoxin inflow from dialyzate side obtained by adjusting membrane characteristics within certain specific values
10/14/2003US6632357 Reverse osmosis (“RO”) membrane system incorporating function of flow channel spacer
10/09/2003WO2003083985A2 Ion exchange composite material based on proton conductive silica particles dispersed in a polymer matrix
10/09/2003WO2003082481A1 Nanoporous coatings
10/09/2003WO2003029744A3 A thermoplastic heat exchanger and method of making the same
10/09/2003US20030189003 Containing a main filter for blocking the leukocytes and a post-filter for preventing leakage of the leukocytes having a higher median pore size than main filter and it is placed downstream of main filter
10/09/2003CA2480345A1 Ion exchange composite material based on proton conductive silica particles dispersed in a polymer matrix
10/08/2003EP1349646A1 Material for detoxification of blood containing foreign toxic substances
10/08/2003EP1349645A1 Substance for limited selective adsorption and/or absorption of endogenic substances in the blood
10/08/2003EP1349644A1 Modified membranes
10/08/2003EP1349641A1 Device and method for cleaning a fluid, such as water
10/08/2003CN1447715A Membranes and method of manufacture thereof
10/07/2003US6630518 Ion-conductive membranes used in numerous applications such as proton conductors in fuel cells or electrolytic cells; polymer membrane material is irradiated and irradiated polymer membrane material is sulfonated
10/07/2003US6630265 Inorganic cation exchange material with silica and polymer based binders; inexpensive
10/07/2003US6629613 Leukocyte filter
10/07/2003CA2346750C Antimicrobial filter cartridge
10/02/2003WO2003081706A1 Electrolyte film and solid polymer fuel cell using the same
10/02/2003WO2003081691A2 An innovative method for the preparation of proton conducting nanopolymeric membranes for use in fuel cells or in catalytic membrane reactors
10/02/2003WO2003080228A1 Hollow fiber membrane contact apparatus and process
10/02/2003WO2003080225A1 Upw treatment and system with organic nitrogen removal
10/02/2003US20030186405 Micro/nano-embossing process and useful applications thereof
10/02/2003US20030185956 Separating aqueous mixture from a water-immiscible hydrophobic phase with a hydrophilic membrane; desired components move out through the membrane and into the hydrophobic phase; foods and cosmetics
10/02/2003US20030184954 Separation module and method for producing the same
10/02/2003US20030183576 Composite semipermeable membrane,method for preparing the same, and method for water treatment using the same
10/02/2003US20030183080 Hydrogen transport membranes
10/01/2003EP1348478A2 Method for producing composite membranes
10/01/2003EP1144096B1 Integrally asymmetrical polyolefin membrane
10/01/2003CN1445017A Gas separation equipment using double-head air compressor
10/01/2003CN1122561C Water filtration device and method of its manufacture
10/01/2003CN1122536C Method for purifying blood plasma and apparatus suitable therefor
09/2003
09/30/2003US6627291 Three dimensional patterned porous structures
09/30/2003US6626980 Mixed matrix membranes incorporating chabazite type molecular sieves
09/25/2003WO2003078672A1 Reaction bonded alumina filter and membrane support
09/25/2003WO2003078036A1 Method of filtering particules from a liquid, liquid filtering device and membrane
09/25/2003WO2003078033A1 Water separation from solvent
09/25/2003WO2002016675A3 Enhanced electro-deposition device and method
09/25/2003US20030179530 Composite membrane
09/25/2003US20030178507 Nozzle device and nozzle for atomisation and/or filtration and methods for using the same
09/25/2003US20030178369 Immersion type membrane filter
09/25/2003US20030178368 Charged filtration membranes and uses therefor
09/24/2003EP1345760A2 pH DEPENDENT MEMBRANE DIFFUSION
09/24/2003EP1345675A1 Cation-conducting or proton-conducting ceramic membrane infiltrated with an ionic liquid, method for the production thereof and use of the same
09/24/2003EP1345674A1 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same
09/24/2003EP1345673A2 Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof
09/24/2003CN1444503A Method of recovering fluorochemical surfactant
09/24/2003CN1121896C Integrally asymmetrical polyolefin membrane, its making method and use for gas transfer
09/23/2003US6623639 Forming hollow fiber membrane having high nitrogen permeance, tensile strength and elongation at the break
09/23/2003US6623545 For liquid-liquid extraction of analyte from a sample and transfer to a gas chromatography apparatus comprising a membrane-based extraction unit
09/23/2003CA2336795C Cellulosic web with a permeant barrier or contaminant trap
09/23/2003CA2165221C Module for blood purification, blood purification membrane and its production
09/18/2003WO2003076062A2 Steam-reforming catalytic structures
09/18/2003WO2003076056A1 Capillary membrane and device for production thereof
09/18/2003WO2003076055A1 Method for producing fabric-reinforced capillary membranes, in particular for ultrafiltration
09/18/2003WO2003076050A1 Hydrogen transport membranes
09/18/2003WO2002042205A9 Hydrothermal gel process for preparation of silicalite particles and process for preparation of composite membrane
09/18/2003US20030176310 For use as pervaporation membrane for selective separation of organic liquid mixtures
09/18/2003US20030175496 Amounts of the aluminum metal powder and the alumina powder in said mixture are chosen in a proportion to minimize the volume change of the sintered monolith from that of the green monolith
09/18/2003US20030175494 Porous composite product in particular with a high specific surface preparation process and electrode formed of a porous composite film for an electro-chemical assembly
09/18/2003US20030173283 Graded particle-size retention filter medium for fluid filtration unit with improved edge seal
09/18/2003US20030172589 Membrane reactor/purifier for producing syn gas; hydrogen selective palladium alloy membrane; stack containing an array of pairs of high pressure and lower pressure chambers
09/18/2003CA2478831A1 Capillary membrane and device for production thereof
09/18/2003CA2477852A1 Steam-reforming catalytic structures
09/17/2003EP1343571A1 Blood collection systems and methods using a porous membrane element
09/17/2003EP1144089B1 Ceramic flat membrane and method for producing the same
09/16/2003US6620958 Via reacting ethylene carbonate and methanol to form dimethylcarbonate to change permeability
09/16/2003US6620320 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same
09/15/2003CA2376993A1 Chitosan / anionic surfactant complex membrane
09/12/2003WO2003074595A1 Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells
09/12/2003WO2003024576A3 Filtration membrane
09/12/2003WO2003022412A3 Proton-conducting membrane and the use of the same
09/12/2003CA2477863A1 Mixtures comprising vinyl-containing sulphonic acid, polymer electrolyte membranes comprising polyvinylsulphonic acid and their use in fuel cells
09/12/2003CA2477427A1 A process for preparing semipermeable membranes having improved permeability
09/11/2003WO2003074152A1 A process for preparing semipermeable membranes having improved permeability
09/11/2003US20030168405 Subjecting aqueous solution containing the fluorochemical surfactant which solution is resulting from a polymerizing a fluoromonomer to filtration with reverse osmosis membrane for recovering a fluorochemical surfactant
09/11/2003US20030168404 Microporous membranes and uses thereof
09/11/2003US20030168396 Monolithic filter body and fabrication technique
09/10/2003EP1341655A2 Method of making a product with a micro or nano sized structure and product
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