B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor

Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
11/2004
11/17/2004	CN1175923C Method for making polyelectrolyte membrane for osmotic vaporization
11/17/2004	CN1175922C Preparing process and application of composite biolipid/cellulose acetate membrane
11/16/2004	US6818333 Exhibits, in the n-butane/isobutane separation, an n-butane permeance of at least 6.10-7 mol/m2.s.pa and a selectivity of at least 250 at the temperature of 180 degrees c.
11/16/2004	US6818133 Semipermeable membranes
11/11/2004	WO2004097907A2 Method for the production of permeable membranes from semiconductor materials using macro- and micro-pore etching
11/11/2004	WO2004097077A2 Method for the etching of permeable membranes made from semiconductor materials using macro- and meso-pore etching
11/11/2004	WO2004096873A1 Optically active acetylene polymer, film thereof, and optical resolution with the same
11/11/2004	WO2004096729A2 Improved porous mullite bodies and methods of forming them
11/11/2004	WO2004096418A1 Hollow fiber ultrafilter membrane with poly(phthalazinone ether fulfone), poly(phthalazinone ether ketone) or poly(phthalazinone ether sulfone ketone) and preparation thereof
11/11/2004	WO2004096417A1 Hollow filamentous semipermeable membrane
11/11/2004	WO2004096415A1 Process for the separation of olefins from paraffins using membranes
11/11/2004	WO2004085034A3 Composite gas separations modules having intermediate metal layers
11/11/2004	WO2004068613A3 A fuel processing system having a membrane separator
11/11/2004	US20040225153 membranes for fuel cells; crosslinking
11/11/2004	US20040225094 addition-condensation copolymer containing peroxyalkylene glycol and unsaturated fluorine compound
11/11/2004	US20040224202 a semi-crystalline polyether ketone or polyether sulfone copolymer electrolyte membrane or gas diffusion electrode having a first unit which includes an ion-exchange site, a second crystalline unit, and a third unit which is amorphous; fuel cells
11/11/2004	US20040224155 coating polymeric beads with aqueous solutions of alumoxanea, drying, heating to convert to amorphous alumina or aluminate coatings, dissolving in solvents to removing the polymer and firing to form hollow microstructure particles used as proppants or porous membranes; filters
11/11/2004	US20040222169 Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof
11/11/2004	US20040222157 Process for the recovery of sulfuric acid using polymeric membranes
11/11/2004	US20040222156 Method and apparatus for separating emulsified water from hydrocarbons
11/11/2004	US20040222148 Preparation of porous poly(aryl ether) articles and use thereof
11/11/2004	US20040222146 Composite semipermeable membrane and process for producing the same
11/11/2004	DE202004008615U1 Mikroporöse Membran auf Cellulosebasis Microporous membrane based on cellulose
11/10/2004	EP1474839A2 Polymer electrolyte membranes for use in fuel cells
11/10/2004	EP1474222A1 Halar membranes
11/10/2004	EP1474221A1 Pre-metered, unsupported multilayer microporous membrane
11/10/2004	CN1545433A Multilayer microporous membrane
11/10/2004	CN1544479A Water-soluble Chitooligosaccharide preparation method
11/10/2004	CN1544135A Dinitrogen phenodiazine polyethersulfone ketone hollow fiber ultra filtration membrane and fabrication method thereof
11/10/2004	CN1544134A Preparation method of partial fluorothene copolymer microporous membrane
11/10/2004	CN1544132A Disposable membrane module with low-dead volume
11/10/2004	CN1174791C Method for removing removed substance from fluid
11/09/2004	US6814865 For desalination of electrolyte solutions; 4-vinyl pyridine polymerized on a woven pvc support and crosslinked with epichlorohydrin and aniline
11/04/2004	WO2004094049A1 Hydrophilic membrane and process for making the same
11/04/2004	WO2004007060A3 Uv treated membranes
11/04/2004	WO2003096464A3 Grafted polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cells
11/04/2004	US20040219072 Microfluidic apparatus with integrated porous-substrate/sensor for real-time (bio)chemical molecule detection
11/04/2004	US20040217060 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
11/04/2004	US20040217049 Filters and methods of making and using the same
11/04/2004	DE10316317A1 Production of a heterocycle-substituted polyarylether sulfone, useful for making polymer electrolyte membranes for fuel cells comprises halogenation, reaction with metal and reaction with a heterocycle
11/03/2004	EP1473075A2 Negatively charged membrane
11/03/2004	EP1472755A2 Tubular solid oxide fuel cell stack
11/03/2004	EP1471991A2 Micro-fluidic anti-microbial filter
11/03/2004	EP1183092A4 Catalytic membrane reactor materials for the separation of oxygen from air
11/03/2004	EP0912628B1 Method for producing cellulosic formed parts
11/03/2004	EP0888211B1 Highly porous polyvinylidene difluoride membranes
11/03/2004	EP0840645B1 Polyacrylonitrile membranes
11/03/2004	EP0663235B1 Phase separated membrane
11/03/2004	CN1543481A Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell
11/03/2004	CN1543374A Hollow fiber membrane for purifying blood and method for preparation thereof
11/03/2004	CN1173772C New material for ascites ultrafiltering, concentrating and back-infusing device and producing method
11/03/2004	CN1173771C Composite affinity polyamide film for purifying immune globulin in human blood plasma and preparing process thereof
11/03/2004	CN1173770C Composite semipermeable membrane, process for producing the same, and method of purifying water with the same
11/02/2004	US6811696 Flat sheet membrane cast from dope comprising solvent and hexafluoropropylene-tetrafluoroethylene-vinylidene fluoride terpolymer; support of reticulated network of flow channels
11/02/2004	US6810899 Gas separation membrane on support; palladium alloy
11/02/2004	CA2141603C Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/2004
10/28/2004	WO2004092257A1 Porous film of vinylidene fluoride resin and method for producing same
10/28/2004	WO2004091756A1 Ceramics honeycomb filter and method of manufacturing the same
10/28/2004	WO2004091747A2 Ultralyophobic membrane
10/28/2004	WO2003005473A3 Polymer electrolyte membrane for fuel cells
10/28/2004	US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin
10/28/2004	US20040213985 Preparing a precursor film by injection of a polymer, which is used for a support layer, into an extruder; annealing the precursor film; coating with polymer solution; drying; low temperature-stretching; high temperature-stretching; heat-setting
10/28/2004	US20040213918 porous substrate is pretreated in a plasma field and a functionalizing monomer is immediately flash-evaporated, deposited and cured over the porous substrate in a vacuum vapor-deposition chamber; imparting properties such as water and oil repellency, friction resistance, fire retardancy, conductivity
10/28/2004	US20040213909 Coating substrate; activation; crosslinking
10/28/2004	US20040212028 Thin film membrane structure
10/28/2004	US20040211706 contacting a naphtha feed stream with a membrane having sufficient flux and selectivity to separate a sulfur deficient retentate fraction from a sulfur enriched permeate fraction, preferably under pervaporation conditions; provides high quality products without a substantial loss of olefin yield
10/28/2004	US20040211705 preferentially reduces the sulfur content of a hydrocarbon containing naphtha feed while substantially maintaining the content of olefins presence in the feed; offers greater selectivity, easily scaled operations, and greater adaptability to changes in process streams and simple control schemes
10/28/2004	US20040211319 Facilitated transport membranes comprising a porous support and a solid polymer electrolyte consisting of a transition metal salt and a polymer having phthalic structure
10/28/2004	US20040211054 Microfluidic systems with embedded materials and structures and method thereof
10/28/2004	DE10316323A1 Functionalizing polyarylethersulfones with basic groups, for use in electrolytes, ion exchangers, catalysts, polymer electrolyte membranes or blends, involves a Grignard reaction and reaction with an anchoring compound
10/28/2004	CA2522227A1 Porous film of vinylidene fluoride resin and method for producing same
10/27/2004	EP1471103A1 Process for producing porous polyimide resin and porous polyimide resin
10/27/2004	EP1470877A1 Micro-porous noble metal material and method for preparation thereof
10/27/2004	EP1470854A1 Epoxide-crosslinked, charged cellulosic membrane
10/27/2004	EP1469935A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
10/27/2004	EP1315555B1 Modified polymer having improved properties and process for manufacturing same
10/27/2004	EP1272259B1 Method of forming hydrogen-selective metal membrane modules
10/27/2004	EP1105433B1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
10/27/2004	EP0968196B1 Perfluorovinyl ionic compounds and their use in conductive materials
10/27/2004	CN1541184A Catalytic membrane reactor that is used for decomposition of hydrogen sulphide into hydrogen and sulphur and separation of products of said decomposition
10/27/2004	CN1539852A Method for producing pumpkin polysaccharide through membrane isolation technique
10/27/2004	CN1539791A Oxygen permeable film material of densified ceramics enhanced by perovskite typed oxide and oxygen spearator
10/27/2004	CN1539550A Method for modifying hydroophilicity of highly active separation membrane made from polymer
10/27/2004	CN1172741C Process for preparing phenolic resin hollow fibre film for auxiliary respirator
10/26/2004	US6808375 Expanded porous thermoplastic polymer membranes and device for the production thereof
10/21/2004	WO2004090015A1 Crosslinkable ionically conducting resin, and ionically conducting polymer membranes, binders and fuel cells, made by using the resin
10/21/2004	WO2004064986B1 An improved process for the preparation of porous membrane
10/21/2004	WO2004018067A9 Airlift membrane device, bioreactor and bioreaction process
10/21/2004	WO2004009611A3 Multiple layer membrane and method for fabrication thereof
10/21/2004	WO2003064015A3 Polymer blends and methods of separation using the same
10/21/2004	WO1995013858A9 Hydrophilic compositions with increased thermal and solvent resistance
10/21/2004	US20040210007 Phosphonic acid bonded to aromatic ring for polymer trialkyl phosphonic acid with nickel halide catalyst
10/21/2004	US20040206694 Epoxide-crosslinked, charged cellulosic membrane
10/21/2004	US20040206693 Crosslinked cellulosic membrane
10/21/2004	US20040206692 Hollow fiber membrane for purifying blood
10/21/2004	CA2521712A1 Crosslinkable ion conductive resins, and ion conductive polymer membranes, binders and fuel cells using the same resins
10/20/2004	EP1469016A1 Perfluorinated polymers
10/20/2004	EP1468725A1 Highly efficient molecular sieve membrane for gases and steams and process for its production
10/20/2004	EP1468724A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/20/2004	EP1468723A1 Crosslinked cellulosic membrane

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