Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
01/2003
01/07/2003CA2064301C Selectively transmissive polysulfonic hollow fiber membrane and method of manufacture thereof
01/03/2003WO2003000390A2 Membranes and their manufacture
01/03/2003CA2392241A1 Polymer electrolyte membrane and fuel cell
01/02/2003US20030003340 Phase-separated structure contains a carbon-containing phase (especially containing silicon) and inorganic phase containing an inorganic acid (especially a heteropoly acid)
01/02/2003US20030003233 Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes
01/02/2003US20030000891 Filling tubular mold with powdered alloy of nickel-chromium and molybdenum; applying isostatic pressure; firing unfired workpiece under reducing atmosphere; impregnating a surface of workpiece with metal oxide; firing, cooling
01/02/2003US20030000890 Tubular membrane and method of making
01/02/2003US20030000874 Laminated edge filter structure and method of making
01/02/2003US20030000387 Hydrogen-permeable structure and method for preparation thereof
01/02/2003EP1270063A2 Hollow fiber membrane contactor
01/02/2003EP1269046A1 Joint assembly for joining a ceramic membrane
01/02/2003EP1268619A2 Composite ion exchange material
01/02/2003EP1268045A1 Novel blend polymer membranes for use in fuel cells
01/02/2003EP1140331B1 Method for producing an integrally asymmetrical polyolefin membrane
01/02/2003EP0958029B1 Method of manufacturing thin metal membranes
01/01/2003CN1388993A Multi-component composite film method for preparing the same
01/01/2003CN1097475C Porous carbon fluoride film, producing process and column-shape filter containing the same
12/2002
12/31/2002US6499606 Cross-flow filter membrane and method of manufacturing it
12/27/2002WO2002102881A1 Polyazole-based polymer films
12/27/2002WO2002102710A1 Catalytic membrane reactor that is used for the decomposition of hydrogen sulphide into hydrogen and sulphur and the separation of the products of said decomposition
12/27/2002WO2002102500A1 Membrane polymer compositions
12/27/2002WO2002081557A8 Microporous materials and methods of making the same
12/27/2002CA2450938A1 Catalytic membrane reactor that is used for the decomposition of hydrogen sulphide into hydrogen and sulphur and the separation of the products of said decomposition
12/26/2002US20020195385 Hollow fiber membrane contactor
12/26/2002US20020195188 Thin porous layer with open porosity and a method for production thereof
12/25/2002CN1096880C Gel composition contg. carbonaceous compound
12/24/2002US6497780 Methods of preparing a microporous article
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.
12/24/2002US6497747 Production and use of improved polyimide separation membranes
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
12/19/2002US20020189447 For liquid-liquid extraction of analyte from a sample and transfer to a gas chromatography apparatus comprising a membrane-based extraction unit
12/19/2002US20020189445 Process for the wellbore separation of CO2 from hydrocarbon gas
12/18/2002EP1266049A1 Ion conducting ceramic membrane and surface treatment
12/18/2002EP1265951A2 Ion-exchange materials
12/18/2002EP1265690A1 Tubing unit
12/18/2002EP0784793B1 Method of producing bilayer lipid membranes
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
12/17/2002US6494936 Filter assemblies
12/17/2002US6494326 Composite zeolite membranes
12/17/2002US6494223 Wet cleaning apparatus utilizing ultra-pure water rinse liquid with hydrogen gas
12/12/2002WO2002099139A1 Modified microporous membrane for non-specific and sequence-specific nucleic acid capture and methods of use
12/12/2002WO2002085500A8 Method of preparing free polyelectrolyte membranes
12/12/2002WO2002038257A3 Gas separation device
12/12/2002US20020187439 Process for producing acid sensitive liquid composition containing a carbonate
12/12/2002US20020187401 Multilayer; polymer support overcoated with gelled polymer layer; stretching and heat setting
12/12/2002US20020185440 Method for recycling wash-water resulting from film treatment
12/11/2002EP1264018A1 Inorganic hollow fibers
12/11/2002EP1263694A1 Method for producing monolithic, porous, ceramic shaped bodies and the shaped bodies produced according to this method
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
12/10/2002US6492290 Mixed conducting membranes for syngas production
12/05/2002WO2002096538A1 Tubular membrane and method of making
12/05/2002WO2002005936A1 Method and device for carrying out membrane purification
12/05/2002US20020180082 Preparation of microporous films from immiscible blends via melt processing and stretching
12/05/2002US20020179529 Water separation from solvent
12/05/2002US20020179516 Hollow fiber membrane module
12/05/2002CA2411935A1 Process and apparatus for membrane cleaning
12/04/2002EP1261412A1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures
12/04/2002CN1383390A Multi-component camposite membrane and method for preparing same
12/04/2002CN1382740A Microporous teflon membran and its preparing process
12/04/2002CN1382519A Process for preparing zeolite film with self-supporting multi-stage artery structure
12/04/2002CN1095391C Polymer membrane for mixing and ultrafilter and its preparing process
12/03/2002US6489005 Method of making silicon article having columns
12/03/2002US6488856 Process for purifying a liquid hydrocarbon product
12/03/2002US6488838 Chemical reactor and method for gas phase reactant catalytic reactions
12/03/2002US6488739 Fluid flow over perovskite membrane coated with metal or metal oxide
12/03/2002CA2233695C Strong, air permeable membranes of polytetrafluoroethylene
11/2002
11/28/2002WO2002070402A3 Apparatus and process for the production of hydrogen
11/28/2002WO2002066144A3 Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same
11/28/2002WO2002011869A3 Zeolite membranes for selective oxidation of carbon monoxide in mixed hydrogen gas source
11/28/2002US20020177522 Solid media
11/28/2002US20020177381 Air filter and production method therefor
11/28/2002US20020175118 Water purification filter
11/28/2002DE10112863C1 Verfahren zur Herstellung eines Hohlfaser- oder Kapillarmembranmoduls A method for producing a hollow fiber or capillary membrane module
11/27/2002EP1260261A1 Turbine air filter media
11/27/2002EP1259564A1 Polymer compositions and moulded bodies made therefrom
11/27/2002EP1017469B1 Microstructured filter
11/27/2002EP0782473B1 Improved membrane
11/27/2002CN1381515A 多孔薄膜 Porous film
11/26/2002US6486086 Simplified methods of manufacturing titanium silicate membranes
11/26/2002US6484887 Ion-selective membranes, their production process, use of the ion-selective membranes, and apparatuses provided with the ion-selective membranes
11/26/2002US6484439 Irrigation device
11/21/2002WO2002093676A2 Ion-exchange materials with improved ion conductivity
11/21/2002WO2002092673A1 Modification of drawn film
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
11/21/2002US20020170429 Oxygen enhanced CDA modification to a CDO integrated scrubber
11/21/2002DE10152673A1 Separation module used for separating solids or molecules from liquids and/or gases comprises a housing made from a sealed ceramic joined to separating element supports made from a porous ceramic