Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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12/24/2002 | US6497752 Membrane comprises a support layer having a sponge-like, open-pored, microporous structure and a separation layer with denser structure; used for blood oxygenation. |
12/19/2002 | WO2002100926A1 Method for the production of cellulosic flat films |
12/19/2002 | WO2002100925A1 Method for the production of cellulosic flat films |
12/19/2002 | US20020193540 Ionically conducting materials, electrolytes and selective membranes |
12/19/2002 | US20020193457 Microporous membrane, and highly electropositive hydrophilic material capable of irreversibly binding nucleic acids positioned within the membrane |
12/19/2002 | US20020192454 Porous film |
12/19/2002 | US20020189455 Oleophobic coated membranes |
12/17/2002 | US6495101 Hollow fiber membrane oxygenator |
12/17/2002 | US6495043 Membrane which can be used in membrane filtration processes including microfiltration, ultrafiltration and reverse osmosis and which has reduced tendency to fouling |
12/12/2002 | WO2002099139A1 Modified microporous membrane for non-specific and sequence-specific nucleic acid capture and methods of use |
12/12/2002 | WO2002038257A3 Gas separation device |
12/12/2002 | US20020187401 Multilayer; polymer support overcoated with gelled polymer layer; stretching and heat setting |
12/12/2002 | US20020185428 Cast membrane structures for sample preparation |
12/11/2002 | EP1263522A1 Porous or non-porous substrate coated with a polymeric composition having hydrophilic functional groups and process |
12/11/2002 | EP0740952B1 Composite microporous polyolefin film and process for producing the same |
12/05/2002 | WO2002096538A1 Tubular membrane and method of making |
12/05/2002 | US20020180082 Preparation of microporous films from immiscible blends via melt processing and stretching |
12/04/2002 | CN1383390A Multi-component camposite membrane and method for preparing same |
11/28/2002 | US20020177381 Air filter and production method therefor |
11/28/2002 | DE10112863C1 Verfahren zur Herstellung eines Hohlfaser- oder Kapillarmembranmoduls A method for producing a hollow fiber or capillary membrane module |
11/27/2002 | EP1148869B1 Method for regulating a chemical valve |
11/27/2002 | EP1017469B1 Microstructured filter |
11/27/2002 | CN1381515A 多孔薄膜 Porous film |
11/26/2002 | US6486291 A crosslinked polyurethane based on a polyisocyanate a polyhydric alcohol and a perfluoroalkyl alcohol; air and moisture permeability; water and liquid repellants; ileostomy vent filter membranes; protective fabrics; transdermal drugs |
11/26/2002 | US6486245 Self-arranging coating |
11/21/2002 | WO2002092673A1 Modification of drawn film |
11/21/2002 | WO2002092497A2 Method for fabrication of a molecular filter and apparatus formed by the same |
11/21/2002 | WO2002092202A1 Method of treating filter membrane, filter membrane, and method of rapidly counting number of microorganism with the filter membrane |
11/21/2002 | WO2002092201A2 Method for reducing an adsorption tendency of molecules or biological cells on a material surface |
11/21/2002 | US20020173015 Method for fabrication of a molecular filter and apparatus formed by the same |
11/21/2002 | DE10221569A1 Verfahren zur Verringerung einer Adsorptionsneigung von Molekülen oder biologischen Zellen an einer Materialoberfläche A method for reducing a tendency toward adsorption of molecules or biological cells on a material surface |
11/20/2002 | EP1257348A1 Graft polymeric membranes and ion-exchange membranes formed therefrom |
11/20/2002 | CN1094380C Material of artificial kidney for hemodialysis and its preparing method |
11/14/2002 | WO2002089955A1 Preparation of microporous films from immiscible blends via melt processing and stretching |
11/13/2002 | EP0706419B1 Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups |
11/13/2002 | CN1379699A Filtration and purification system for pH neutral solutions |
11/12/2002 | US6479300 Metal loaded ligand bound membranes for metal ion affinity chromatography |
11/12/2002 | US6479159 Polymeric membranes functionalized with EGTA ligands |
11/12/2002 | US6479007 Apparatus and method for controlling pore size in polymeric membranes and thin films |
11/12/2002 | US6478960 Manufacturing method of artificial organ, hollow fiber, and dialyzer of hollow fiber membrane type |
11/07/2002 | WO2002088219A1 Proton-conducting membrane and use thereof |
11/07/2002 | WO2002087735A1 Asymmetric porous films and process for producing the same |
11/07/2002 | WO2002087734A1 Novel coated membranes and other articles |
11/07/2002 | US20020164513 Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same |
11/07/2002 | US20020162792 Polymer membrane meshes |
11/07/2002 | US20020162791 Method for fabricating three dimensional structures |
11/06/2002 | EP1254697A2 Composite membranes |
11/06/2002 | EP0848643B1 Method of producing hollow fibre polymer membranes |
11/06/2002 | CN1377725A Macroporous polymer filtering membrane and its prepn. |
11/05/2002 | US6475268 Supported membrane for hydrogen separation |
11/04/2002 | EP1157067A4 Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same |
10/31/2002 | WO2002087001A2 Polymer electrolyte membrane |
10/31/2002 | WO2002085544A1 Use of ion binding ligands attached to solid supports and membranes for ion removal from a biological system |
10/31/2002 | WO2002085481A2 Polymeric membranes functionalized with egta ligands |
10/31/2002 | WO2002070115A1 Method for producing hollow yarn film |
10/31/2002 | WO2002018929A3 Chromatography and other adsorptions using modified carbon adsorbents |
10/31/2002 | US20020161066 Grafting face is put in presence of grafting composition containing at least one monomer capable of forming polymer by radical polymerisation |
10/31/2002 | US20020160272 Process for producing a modified electrolyte and the modified electrolyte |
10/31/2002 | US20020160271 Crosslinking polyethylenimine |
10/31/2002 | DE10118243A1 Hybrid filter module used in micro- and ultra-filtration comprises open porous electrically conducting solid substrate electrodes |
10/30/2002 | EP1251987A1 Thin porous layer with open porosity and a method for production thereof |
10/30/2002 | CN1376533A Filter device and back flushing method of filter device filter and power apparatus |
10/29/2002 | US6472571 Process for the production of organic compounds in a membrane reactor |
10/24/2002 | US20020156138 Semipermeable porous membranes of semi-crystalline fluoropolymers |
10/24/2002 | US20020155311 Polymeric membranes and other polymer articles having desired surface characteristics and method for their preparation |
10/24/2002 | US20020153322 Contacting a biological solution containing with ligand binding compound to form complex; removing biological solution; testing for the occurrence of the biological function in said biological solution |
10/24/2002 | DE10117686A1 Proton-conducting membrane for use e.g. in fuel cells, is made by coating a support with a solution of aromatic tetra-amine and aromatic polycarboxylic acid in polyphosphoric acid and then heating the coating |
10/24/2002 | DE10114537A1 Separation of highly heterogeneous mixtures, e.g. proteins, comprises using array of filter membranes with systematically varying separation properties |
10/23/2002 | EP1251102A1 Method for purifying suspended water by membrane filtration |
10/17/2002 | WO2002081557A1 Microporous materials and methods of making the same |
10/17/2002 | US20020148774 Asymmetric hydrophilic membrane by grafting |
10/17/2002 | US20020148723 Porous film, separator for cell, and cell |
10/16/2002 | EP1249269A2 Thermoplastic resin porous film |
10/16/2002 | CN1092561C Microporous membrane with stratified pore structure generated in situ and producing method |
10/15/2002 | US6465120 Condensation polymerization of polyanilines on the surfaces of nafion to form solid electrolytes having electroconductivity and methanol barrier properties |
10/15/2002 | US6465050 Aqueous solution of polyoxyalkylene glycol and another monomer |
10/15/2002 | US6464880 Nonporous materials are subjected to ester hydrolysis to generate site-specific perforations; oxidatively stable, hydrophilic, filtration in presence of hydrogen peroxide; perfluorinated ionomer |
10/15/2002 | CA2118423C Hydrophilic microporous polyolefin membrane |
10/12/2002 | CA2381509A1 Porous film |
10/10/2002 | WO2002018928A3 Chromatography and other adsorptions using modified carbon-clad metal oxide particles |
10/10/2002 | US20020147282 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof |
10/10/2002 | US20020144944 Inert fluoropolymeric support on which perfluorinated polymeric ionomer is deposited, the ionomer being under amorphous form and having SO2X, COOH etc hydrophilic group in acid form |
10/10/2002 | DE10116232A1 Molded articles with internally coated cavities, useful as e.g. sensors, are prepared by forming template fibers with selective removal of material |
10/09/2002 | EP1246688A1 Paste, which can undergo screen printing, for producing a porous polymer membrane for a biosensor |
10/09/2002 | EP1246682A1 System and method for liquid filtration based on a neutral filter material |
10/08/2002 | US6461724 Material comprising semi-crystalline polypropylene and compatible, amorphous, glassy polymer, which are miscible in compound when heated above melting point of polypropylene and phase separate from it when cooled below crystallization point |
10/03/2002 | WO2002076594A1 Composite semipermeable membrane, method for preparing the same and method for water treatment using the same |
10/03/2002 | WO2002076593A1 Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
10/03/2002 | WO2002076589A1 Filter used in the provision of substantially germ-free water |
10/03/2002 | WO2002058205A3 Proton-selective conducting membranes |
10/03/2002 | WO2002043937A3 Method of making a product with a micro or nano sized structure and product |
10/03/2002 | US20020139738 Filtering apparatus, back wash method therefor, filtering device and power plant |
10/03/2002 | US20020139095 Oleophobic filter materials for filter venting applications |
10/02/2002 | CN1371935A 多孔亲水薄膜 Porous hydrophilic film |
10/02/2002 | CN1091639C Highly permeable composite reverse osmosis membrane |
10/01/2002 | US6458310 Process of making a polymeric material having a microporous matrix |
09/26/2002 | WO2002075835A2 Polymer electrolyte membrane fuel cell |
09/26/2002 | WO2002075324A1 Method of manufacturing micro channel structural body and functional high polymer film |
09/26/2002 | WO2002074423A1 Method for producing a hollow fibre membrane module or a capillary membrane module |
09/26/2002 | US20020137806 Graft polymeric membranes and ion-exchange membranes formed therefrom |