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)
11/2002
11/27/2002EP1148869B1 Method for regulating a chemical valve
11/27/2002CN1381515A 多孔薄膜 Porous film
11/26/2002US6484887 Ion-selective membranes, their production process, use of the ion-selective membranes, and apparatuses provided with the ion-selective membranes
11/21/2002WO2002092673A1 Modification of drawn film
11/21/2002WO2002092638A1 Organic composite material including inorganic nano-material and preparation method and use
11/21/2002WO2002092500A1 Catalytically active separating membrane for producing high-purity hydrogen
11/21/2002WO2002092497A2 Method for fabrication of a molecular filter and apparatus formed by the same
11/21/2002WO2002092203A1 Inorganic composite membrane for isolating hydrogen from mixtures containing hydrogen
11/21/2002WO2002066141A3 Filter body
11/21/2002US20020173422 Oxidative reactions using membranes that selectively conduct oxygen
11/21/2002US20020173015 Method for fabrication of a molecular filter and apparatus formed by the same
11/21/2002US20020172850 Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same
11/21/2002US20020170437 Device for reducing the presence of moisture within an enclosure containing a heat source
11/21/2002US20020170434 Filtering medium for air filter and process for producing the same
11/21/2002US20020170430 Nitrogen gas separation using organic-vapor-resistant membranes
11/21/2002DE10122888A1 Reforming fuel to hydrogen, employs electrically-heated composite membrane incorporating catalytic metallic layer separating hydrogen from reactor
11/20/2002EP1258283A1 Device forming fuel gas for fuel cell and composite material for hydrogen separation
11/20/2002EP1257333A2 Filter device, preferably a hollow fibre dialyser, comprising curled hollow fibres
11/20/2002CN1380130A Preparation method of hollow fibre supermicro filtration membrane
11/14/2002WO2002089955A1 Preparation of microporous films from immiscible blends via melt processing and stretching
11/14/2002WO2002077522A3 Device for reducing the presence of moisture within an enclosure containing a heat source
11/14/2002WO2002077068A3 Sulfonated polyetherketoneketone
11/14/2002WO2002061016A8 Removal of sulfur from hydrocarbon through a selective membrane
11/14/2002US20020166763 Electrochemical cell for generating oxygen from ambient air; provides oxygen enriched air to a user or air-breathing apparatus
11/13/2002EP1255997A2 Composite membranes for assaying biomolecules
11/13/2002EP1255605A1 Method of producing nitrogen enriched air
11/13/2002EP1255572A2 Apparatus and method for controlled delivery of a gas
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
11/12/2002US6479099 Method for manufacturing filter having ceramic porous film as separating film
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
11/12/2002US6478852 Method of producing nitrogen enriched air
11/12/2002CA2050169C Reverse osmosis membranes of polyamideurethane
11/07/2002WO2002087735A1 Asymmetric porous films and process for producing the same
11/07/2002WO2002087734A1 Novel coated membranes and other articles
11/07/2002US20020164521 Novel applications of exfoliated transition metal dichalcogenides to electrochemical fuel cells
11/07/2002US20020162792 Polymer membrane meshes
11/07/2002US20020162791 Method for fabricating three dimensional structures
11/07/2002US20020162456 Solid state polymer electrolyte facilitated transport membranes containing surfactants
11/06/2002EP1254697A2 Composite membranes
11/06/2002EP1254073A1 Mixed conducting membrane for carbon dioxide separation and partial oxidation reactions
11/06/2002EP1094940B1 Cellulosic web with a permeant barrier or contaminant trap
11/06/2002EP0848643B1 Method of producing hollow fibre polymer membranes
11/06/2002CN1377726A Process for preparing phenolic resin hollow fibre film for auxiliary respirator
11/05/2002US6476185 Preparation of an organic compound by a condensation reaction
11/05/2002US6475657 Ceramic membrane which is in an oxide ion conductor based on yttrium-stabilized zirconia
11/05/2002US6475268 Supported membrane for hydrogen separation
10/2002
10/31/2002WO2002086195A1 Charge barrier flow-through capacitor
10/31/2002WO2002085544A1 Use of ion binding ligands attached to solid supports and membranes for ion removal from a biological system
10/31/2002WO2002085500A1 Method of preparing free polyelectrolyte membranes
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
10/31/2002US20020161061 Alpha, beta, beta-trifluorostyrene-based composite membranes
10/31/2002US20020158000 Hollow fiber membrane for the degassing of inks, ink degassing method, ink degassing apparatus, method for the fabrication of an ink cartridge, and ink
10/30/2002EP1251987A1 Thin porous layer with open porosity and a method for production thereof
10/30/2002EP1251970A1 Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes
10/30/2002EP1251935A1 Filter for gas analysis
10/29/2002US6472571 Process for the production of organic compounds in a membrane reactor
10/29/2002US6472016 Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation
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
10/24/2002US20020155307 Non-porous, breathable membrane containing polyamide-4,6
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
10/24/2002US20020153318 To remove dissolved gases present in an ink; for use in ink jet printers
10/24/2002US20020153315 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
10/24/2002US20020152889 Sequential membrane separation one using membrane selective for organic compound over second gas, other selective for second gas over organic vapor, second-gas-selective membranes use selective layer made from a polymer
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
10/23/2002EP1250181A1 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
10/23/2002EP1017480B1 Method for separating actinides and lanthanides by membrane transport using a calixarene
10/23/2002EP0766594B1 Mass transfer apparatus
10/23/2002CN1375351A Production process of hollow blended polyether sulphone fiber dialysis membrane
10/22/2002US6468684 Proton conducting membrane using a solid acid
10/22/2002US6468331 Permselectivity of alkenes over alkanes under dry conditions; pourous support; polymer electrolyte layer has metal salt; stability
10/17/2002WO2002081557A1 Microporous materials and methods of making the same
10/17/2002WO2002081056A1 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material
10/17/2002WO2002081045A2 Meniscus membranes for separations
10/17/2002US20020148775 Hollow fiber membrane for the degassing of inks, ink degassing method, ink degassing apparatus, method for the fabrication of an ink cartridge, and ink
10/17/2002US20020148723 Porous film, separator for cell, and cell
10/16/2002EP1249269A2 Thermoplastic resin porous film
10/16/2002CN1374880A Chemically active filter material
10/16/2002CN1092561C Microporous membrane with stratified pore structure generated in situ and producing method
10/15/2002WO2002064241A1 Hydrogen-permeable structure and method for manufacture thereof or repair thereof
10/15/2002US6465136 Perfluorinated sulfonic acid polymers such as nafion.rtm. and other ion exchange materials incorporated into films to form composite membranes; optionally a noble metal is dispersed within the matrix
10/15/2002US6465120 Condensation polymerization of polyanilines on the surfaces of nafion to form solid electrolytes having electroconductivity and methanol barrier properties
10/15/2002US6464873 Polyfunctional aromatic or cycloaliphatic acyl halide reactant; high flux rates and low pressures with high sulfate rejection.
10/15/2002US6464755 Gas separation membrane and method for its use
10/15/2002CA2406207A1 Hydrogen-permeable structure and method for manufacture thereof or repair thereof
10/12/2002CA2381509A1 Porous film
10/10/2002WO2002038197A3 Devices that change size/shape via osmotic pressure
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
10/10/2002US20020144899 Porous hydrophilic membranes
10/10/2002US20020144595 Forming fluorosulfone coating on surface of filtration substrate; filters have high water penetration pressures and high air permeabilities; medical equipment
10/10/2002DE10116391A1 Sulfoniertes Polyetherketonketon Sulfonated polyether
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