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