Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
11/2002
11/21/2002DE10122888A1 Reforming fuel to hydrogen, employs electrically-heated composite membrane incorporating catalytic metallic layer separating hydrogen from reactor
11/21/2002CA2446389A1 Ion-exchange materials with improved ion conductivity
11/20/2002EP1258283A1 Device forming fuel gas for fuel cell and composite material for hydrogen separation
11/20/2002EP1257348A1 Graft polymeric membranes and ion-exchange membranes formed therefrom
11/20/2002EP1257333A2 Filter device, preferably a hollow fibre dialyser, comprising curled hollow fibres
11/20/2002CN1380131A Preparation method of dry type polyacrylointrile ultrafiltration membrane
11/20/2002CN1380130A Preparation method of hollow fibre supermicro filtration membrane
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
11/14/2002WO2002077522A3 Device for reducing the presence of moisture within an enclosure containing a heat source
11/14/2002WO2002077068A3 Sulfonated polyetherketoneketone
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
11/13/2002EP1255803A1 Process for purifying a liquid hydrocarbon fuel
11/13/2002EP1255717A1 Process for purifying a liquid hydrocarbon product
11/13/2002EP1255605A1 Method of producing nitrogen enriched air
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
11/12/2002US6479159 Polymeric membranes functionalized with EGTA ligands
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
11/12/2002US6478994 Method for making boron carbide containing ceramics
11/12/2002US6478974 Microfabricated filter and shell constructed with a permeable membrane
11/12/2002US6478968 Method for filtering a three-phased reaction mixture
11/12/2002US6478852 Method of producing nitrogen enriched air
11/12/2002US6478851 Separating off the unoxidized olefin from the acetaldehyde reaction mixture with membrane separation process
11/12/2002CA2367839C Hydrogen-permeable metal membrane and method for producing the same
11/12/2002CA2050169C Reverse osmosis membranes of polyamideurethane
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
11/07/2002US20020164521 Novel applications of exfoliated transition metal dichalcogenides to electrochemical fuel cells
11/07/2002US20020164513 Polymer electrolyte membrane, method for producing same, and membrane electrode assembly and polymer electrolyte fuel cell comprising same
11/07/2002US20020164496 membrane comprising a first material; and a second material which is selectively deposited upon the first material.
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
11/06/2002CN1377727A Process for preparing polyurethane/acetyl cellulose blend micro-porous filter membrane
11/06/2002CN1377726A Process for preparing phenolic resin hollow fibre film for auxiliary respirator
11/06/2002CN1377725A Macroporous polymer filtering membrane and its prepn.
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
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
10/31/2002WO2002086195A1 Charge barrier flow-through capacitor
10/31/2002WO2002086190A1 Method for preparing thin porous layers of inorganic oxides
10/31/2002WO2002085500A1 Method of preparing free polyelectrolyte membranes
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
10/31/2002US20020161174 Aromatic polymer phosphonic acid derivative and process for production the same
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
10/31/2002US20020160272 Process for producing a modified electrolyte and the modified electrolyte
10/31/2002US20020160271 Crosslinking polyethylenimine
10/31/2002US20020157806 Process for producing vanadium alloy foil
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
10/30/2002EP1251970A1 Method for preparation of thermally and mechanically stable metal/porous substrate composite membranes
10/30/2002EP1251935A1 Filter for gas analysis
10/30/2002CN1376533A Filter device and back flushing method of filter device filter and power apparatus
10/30/2002CN1093428C Chemical modification of microporous nylon film and preparation of affinity film with histidine ligand
10/29/2002US6472571 Process for the production of organic compounds in a membrane reactor
10/29/2002US6472200 In vivo organ architecture (organ structure) of organ units (e.g., acinus of liver) is maintained within each indivisual micro-organ culture and the cultures being loacted within the chamber, in contact with fluid flowing through chamber
10/29/2002US6472016 Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation
10/29/2002US6471745 Olefin hydrogenation catalyst; coating single phase solution of nanoporous carbon polymer precursor, organometallic metal precursor in nonpolar solvent on porous support and pyrolyzing
10/24/2002WO2002084403A1 Process for producing acid sensitive liquid composition containing a carbonate
10/24/2002WO2002083278A1 Membrane dryer
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
10/24/2002US20020155053 Alkali resistance and is suitably used particularly as a separation membrane and a catalytic support for solid-liquid system, in which an alkaline liquid may be used
10/24/2002US20020153317 Recovery of xylose
10/24/2002US20020153315 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
10/24/2002US20020153293 Passing wash-water through an microfiltration unit equipped with a microfiltration membrane made of polytetrafluorethylene-based material, wherein a permeate is obtained, and wash-water free of carbon particles
10/24/2002US20020153284 Membrane separation for sulfur reduction
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
10/24/2002DE10117686A1 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
10/23/2002EP1251102A1 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
10/23/2002CN1375351A Production process of hollow blended polyether sulphone fiber dialysis membrane
10/23/2002CN1375350A Prepn. of reverse osmose membrane for N-acetyl chitosan
10/23/2002CN1093004C Molecular sieves and processes for their manufacture
10/22/2002US6469116 For optical, electronic and chemical applications
10/22/2002US6468684 Proton conducting membrane using a solid acid
10/22/2002US6468499 Method of generating hydrogen by catalytic decomposition of water
10/22/2002US6468374 Method of making silica glass honeycomb structure from silica soot extrusion
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
10/17/2002WO2002081547A1 Proton-conducting membrane and the use thereof
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
10/17/2002WO2001094527A3 Preparing a sample to be analysed from a sample with very large volume
10/17/2002US20020148791 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration
10/17/2002US20020148723 Porous film, separator for cell, and cell