Patents
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)
03/2004
03/04/2004CA2494711A1 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies
03/03/2004EP1392765A1 Modification of drawn film
03/03/2004EP1159049B1 Responsive gels and methods of use thereof
03/03/2004CN1478590A Preparation method of nanometer Al2O3Sio2 polysulfone composite film having intermediate phase structure
03/03/2004CN1140326C Filter medium and air filter unit using same
03/03/2004CN1140320C Method for decreasing prodn. of carbon in solid electrolyte ion conductor system
02/2004
02/26/2004WO2004016552A1 Process for producing zeolite molding and process for producing zeolite laminate composite
02/26/2004WO2004016341A2 Fluoropolymer membrane
02/26/2004US20040038105 For use in fuel cells; for use in electrodialysis and/or electrolysis
02/26/2004US20040038044 Two-step catalysed hydrolysis sol-gel process; tetraethyl-orthosilicate/ethanol solution is placed in an ice bath, to which an acid/water solution is added followed by refluxing then adding water and nitric acid
02/26/2004US20040038014 Fiber containing filter media
02/26/2004US20040038007 Preparation of the layer-by-layer assembled materials from dispersions of highly anisotropic colloids
02/26/2004US20040037962 Forming an antipeeling protective palladium thin film, by diffusing a reductant from the other side of porous support, metallization, hydrogenation, reduction, electroless deposition
02/26/2004US20040036394 Process for preparing multi-layer proton exchange membranes and membrane electrode assemblies
02/26/2004US20040035792 Comprises chromatography membrane for separating blood plasma
02/26/2004US20040035782 Modified membranes
02/26/2004US20040035290 Porous gas permeable material for gas separation
02/26/2004CA2494545A1 Fluoropolymer membrane
02/25/2004EP1391480A1 Proton conductive resin composition, method for preparing the same, and proton conductive membrane comprising the composition
02/25/2004EP1390087A1 Crosslinked multipolymer coating
02/25/2004EP1274500B1 Apparatus consisting of a composite membrane and a device for the supply or the elimination of energy
02/25/2004EP1220868B1 Extracorporeal endotoxin removal method
02/25/2004EP1153968B1 Microporous polyolefin film and process for producing the same
02/25/2004CN1477990A Novel membranes having improved mechanical properties, for use in fuel cells
02/25/2004CN1477091A Method for preparing acrolein membrane reactor for propane oxidation and its application
02/25/2004CN1139622C Porous composite product particularly with high specific surface area, preparing method and electrode for electrochemical assembly formed with porous composite film
02/25/2004CN1139426C Oxidative reaction using mixed conductive oxygen selective membrane
02/24/2004US6695967 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
02/19/2004WO2004015804A2 Metal coated polymer electrolyte membrane having a reinforcement structure
02/19/2004WO2004015803A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells
02/19/2004WO2004015801A1 Composite electrolyte for fuel cells
02/19/2004WO2002081045A3 Meniscus membranes for separations
02/19/2004US20040033180 Method and apparatus for producing silicon oxide-based ceramic membrane by gas phase synthesis
02/19/2004DE10224568A1 Microarray-Vorrichtung Microarray device
02/19/2004CA2494530A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells
02/18/2004CN1138585C Disposable membrane module with low-dead volume
02/17/2004US6692857 Multilayer polymer
02/17/2004US6692528 Devices that change size/shape via osmotic pressure
02/12/2004WO2003002239A3 Laminated edge filter structure and method of making
02/12/2004US20040028973 Metal coated polymer electrolyte membrane having a reinforcement structure
02/12/2004US20040028913 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same
02/12/2004US20040028901 Twisting, fluid flow channels; aggregation of particles
02/12/2004US20040028875 Method of making a product with a micro or nano sized structure and product
02/12/2004US20040026315 Melt-spun polysulfone semipermeable membranes and methods for making the same
02/12/2004DE19907564B4 Verfahren und Vorrichung zur größenabhängigen Sortierung mikroskopisch kleiner Teilchen auf der Basis von rauschinduziertem Transport Procedures and Vorrichung for size-dependent sorting microscopic particles on the basis of rauschinduziertem transport
02/12/2004DE10235357A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing phosphoric and sulfonic acid
02/12/2004DE10235356A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing sulfonic acid
02/11/2004EP1388364A1 Asymmetric porous films and process for producing the same
02/11/2004EP1349644A4 Modified membranes
02/11/2004EP1327278A4 Ion-conducting sulfonated polymeric materials
02/11/2004CN1473646A Application method of inorganic membrane tabe and duster and producing method
02/11/2004CN1137761C Cast membrane structures for sample preparation
02/10/2004US6689278 Combined hydrophobic-hydrophilic filter for fluids
02/10/2004US6688477 Multilayer; porous support, permselective layer; membrane for separation of gases, liquids
02/05/2004WO2004011672A1 Porous nanostructured film sensor
02/05/2004WO2004011600A2 Biomimetic membranes
02/05/2004WO2004011286A2 Oxygen-enriched air supplying apparatus
02/05/2004WO2004011130A1 Thin film supporting substrate used in filter for hydrogen production and method for manufacturing filter for hydrogen production
02/05/2004WO2003061812A3 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
02/05/2004US20040024123 A perfluoropolymer of a vinyl polymers/ether/ or an addition condensation copolymers; a filtration membrane
02/05/2004US20040023017 Multilayer microporous membrane
02/05/2004US20040020853 Membrane and the use thereof
02/05/2004CA2833718A1 Biomimetic membranes
02/05/2004CA2497273A1 Biomimetic membranes
02/04/2004EP1386651A1 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material
02/04/2004EP1385901A2 Microporous materials and methods of making the same
02/04/2004CN1473210A Enhanced electro-deposition device and method
02/04/2004CN1137192C Organic compound material containing inorganic nano material, its preparation method and use
02/04/2004CN1136951C Semipermeable encapsulated membranes with improved acid and base stability, process for their manufacture and their use
02/04/2004CN1136943C Antimicrobial filter cartridge
02/03/2004CA2413994C Fuel processing system
01/2004
01/29/2004WO2004009611A2 Multiple layer membrane and method for fabrication thereof
01/29/2004WO2004009221A1 External pressure type hollow fiber membrane having reinforcing supporter with mono-filament for gas separation and water treatment, and method and apparatus for preparing the same
01/29/2004WO2003029744B1 A thermoplastic heat exchanger and method of making the same
01/29/2004WO2003013708A3 Hybrid membrane, method for the production thereof and use of said membrane
01/29/2004US20040016705 Adding additive to colloidal solution so that colloidal substances are coagulated; sucking colloidal solution through first filter so that coagulated colloids are accumulated on surface of filter to form gel membrane; filtering
01/29/2004US20040016344 Oxygen-enriched air supplying apparatus
01/29/2004DE10231574A1 Membran, Vorrichtung und Verfahren zum Entfernen von Proteasen aus Flüssigkeiten Membrane, apparatus and methods for removing fluids from proteases from
01/29/2004DE10228148A1 Selektive Membran mit hoher Fouling-Beständigkeit Selective membrane with high fouling resistance
01/28/2004CN1471424A Fiber membrane arrangement
01/28/2004CN1470808A Oxygen-rich air supply apparatus
01/28/2004CN1136035C Method for producing an integrally asymmetrical polyolefinmembrane
01/28/2004CN1136034C Artical of manufacture including sufrace modified membrane and process for preparing the same
01/28/2004CN1136033C Bacteriostalic filter cartridge
01/27/2004US6682576 Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters
01/27/2004US6681648 Forming meniscus-shaped membranes of different polymers in array of pores on substrate, passing preselected gas flow to inlets of pores, analyzing gas from each outlet gas flow, comparing gas separation properties for polymer materials
01/22/2004WO2004007781A2 Method for the generation of pores or channels in a metallic body
01/22/2004WO2004007597A1 Porous molecularly imprinted polymer membranes
01/22/2004WO2004007069A1 Membrane, device and method for removing proteases from liquids
01/22/2004WO2004007060A2 Uv treated membranes
01/22/2004WO2004007048A1 Vortex enhanced filtration device and methods
01/22/2004WO2004006991A1 Porous membrane
01/22/2004US20040013834 An inflated bladder comprising an elastomeric membrane, an alternated multilayer consisting of a polyurethane layer and an ethylene-vinyl alcohol copolymer layer, filled with nitrogen; use for footwear and cushions
01/22/2004US20040011723 Filtration membrane and method of making same
01/22/2004US20040011721 Apparatus for purifying water
01/22/2004DE10329391A1 Verbesserte Gastrennverbundmembranen aus Perfluorpolymeren Improved composite gas separation membranes from perfluoropolymers
01/22/2004CA2492648A1 Porous molecularly imprinted polymer membranes
01/21/2004EP1382378A1 Composite semipermeable membrane, method for preparing the same and method for water treatment using the same
01/21/2004EP1382361A1 Unit for the selective removal of leucocytes from a platelet product
01/21/2004EP1381447A1 Coated membranes