Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
06/2000
06/22/2000WO2000035672A1 Porous material, air filter filter medium, air filter unit and support material for air filter filter medium
06/22/2000WO2000035561A1 Ceramic flat membrane and method for producing the same
06/22/2000CA2355246A1 Porous material, air filter medium, air filter unit and support material for air filter medium
06/21/2000EP1010458A2 Fluid separation membranes formed from polyetherimides
06/21/2000EP1010457A1 Porous polyvinylidene fluoride resin film and process for producing the same
06/21/2000EP1009517A1 Highly porous polyvinylidene difluoride membranes
06/21/2000CN1257434A Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
06/20/2000US6077918 Preparing a phosphonium ionomer by reacting a brominated polyarylene sulfide and triphenylphosphine in the presence of a transition metal halide and a protic apolar liquid.
06/20/2000US6077800 Ceramic porous membrane, ceramic filter using the same, and method of manufacturing the same
06/15/2000WO2000034384A1 Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same
06/15/2000WO2000034358A1 Method for producing cross-linked cation polymers with a reduced aox content
06/15/2000WO2000033949A1 Membrane for separation of xenon from oxygen and nitrogen and method of using same
06/15/2000WO2000033948A1 Membrane comprising a porous support and a molecular sieve layer and method for preparing same
06/15/2000WO2000033942A1 Method for recovering co¿2?
06/15/2000WO2000033937A1 Purifying device for liquid
06/15/2000DE19857590A1 Keramische Flachmembran und Verfahren zu ihrer Herstellung Flat ceramic membrane and processes for their preparation
06/15/2000CA2352873A1 Purifying device for liquid
06/14/2000EP1007195A1 Highly asymmetric polyethersulfone filtration membrane
06/14/2000EP1007194A1 Polyion complex separation membrane with a double structure
06/14/2000EP1007193A1 Hydrophobic permeable composite, method for producing said composite and use of the same
06/14/2000EP1007188A1 Membranes comprising aminoalcohols in hydrophilic polymers
06/14/2000EP0935494A4 Cationically charge-modified membranes
06/14/2000EP0655013B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
06/13/2000US6074869 Preparing a melt-blown nonwoven web; comprising surface adjusting a melt-blown non-woven web characterized by timed fluid flow in different directions
06/13/2000US6074718 Self supporting hollow fiber membrane and method of construction
06/13/2000US6074457 Molecular sieves and processes for their manufacture
06/08/2000WO2000033406A1 Membrane suitable for electrochemical cells
06/08/2000WO2000033367A1 Wet cleaning apparatus
06/08/2000WO2000032512A1 Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions
06/08/2000WO2000032294A1 Methods for reforming polymer surface for improved wettability
06/08/2000DE19905638C1 Hydrogen selectively permeable metal foil membrane, with support lamination, for supplying fuel cells has metal foil with woven or porous support layers on each side
06/08/2000DE19856212A1 Verfahren zur Herstellung von vernetzten Kationpolymeren mit vermindertem AOX-Gehalt A process for the production of crosslinked cationic polymers with a reduced AOX content
06/08/2000DE19855889A1 Für elektrochemische Zellen geeignete Membran For electrochemical cells suitable membrane
06/08/2000CA2353568A1 Membrane suitable for electrochemical cells
06/08/2000CA2351325A1 Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions
06/07/2000EP1005891A1 Filter medium
06/07/2000EP1005390A1 Cleaning method for membranes
06/07/2000CN1255876A Surface modified porous membrane and process
06/06/2000US6071406 Rendering hydrophilic a separation membrane having a hydrophobic matrix polymer comprises doping the membrane solvent system with g-butyrolactone; adding a wetting agent such that the resulting membrane is instantaneously wetted.
06/04/2000CA2290248A1 Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation
06/02/2000WO2000031816A1 Miniature fuel reformer and system using metal thin film
05/2000
05/31/2000EP0958249A4 A process and apparatus for treating waste water
05/31/2000EP0764346A4 High vertical aspect ratio thin film structures
05/31/2000CN1255073A Apparatus and mehtod for performing membrane gas/liquid absorption at elevated pressure
05/31/2000CN1254615A Process for preparing nuclear-tracking polypropylene membrane
05/25/2000WO2000028807A1 Pervaporation device and irrigation mat
05/24/2000EP1002566A2 Filter for adsorbing heparin and/or endotoxins in plasma and/or blood
05/24/2000CN1254308A Highly asymmetric, hydrophilic, microfiltration membranes having large pore
05/24/2000CN1254300A Process for making surface modified porous membrane with perfluorocarbon copolymer
05/24/2000CN1254299A Article of manufacture including surface modified membrane and process
05/24/2000CN1253849A Ceramic material for making compact oxygen-permeable separation membrane and and its oxygen permeable membrane separator
05/23/2000US6066592 Gas separator
05/23/2000CA2063787C High flux semipermeable membranes
05/18/2000WO2000027513A2 Polymer composition, membrane containing said composition, method for the production and use thereof
05/18/2000WO2000027507A1 Hydrogen separation membrane
05/18/2000WO2000027447A1 Blood purifying apparatus
05/17/2000EP0999889A1 Integrally asymmetrical polyolefin membrane for gas transfer
05/17/2000EP0999888A1 Filtering device
05/17/2000EP0772489B1 Cellulosic ultrafiltration membrane
05/17/2000CN1253540A Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane
05/17/2000CN1253511A Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using autothermic reactor for producing synthesis gas
05/16/2000US6063484 Thermally induced phase separated azlactone membrane
05/16/2000US6063278 Amides, sulfonamides and ureas
05/16/2000CA2172323C Staged electrolyte membrane
05/11/2000WO2000026006A1 Method for producing foams made of polymers or polymer mixtures and moulded articles made from said foams
05/11/2000WO2000025838A1 Element provided with a fibrin layer, preparation and use thereof
05/11/2000WO1999048840A9 Homogeneous massive porous ceramic material
05/11/2000DE19850340A1 Verfahren zur Herstellung von Schäumen aus Polymeren oder Polymergemischen sowie daraus herstellbarer Formkörper A process for the production of foams from polymers or polymer blends as well as producible therefrom moldings
05/10/2000CN1052268C Element for electrochemical reactor or reactor cell
05/09/2000US6060530 Dispersing porogen comprising polyalkylene glycol in continuous monomeric component phase comprising perfluoropolyether unit; polymerizing and removing porogen from polymer
05/09/2000US6060415 Aligned molecular sieve crystals grown on anodic alumina membrane
05/04/2000WO2000024796A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
05/04/2000WO2000024500A1 Thermomembrane method and device
05/04/2000CA2344651A1 Thermomembrane method and device
05/04/2000CA2342221A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
05/03/2000EP0997182A1 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
05/03/2000EP0996496A1 Integral non woven reinforcement porous membbranes
05/03/2000EP0996495A1 FILTRATION MEMBRANE WITH CALCINED $g(a)-ALUMINA PARTICLES THEREIN
05/03/2000EP0971785A4 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes
05/03/2000EP0873176B1 Molecular sieves and processes for their manufacture
05/02/2000US6057060 Ultra-thin, single-ply battery separator
05/02/2000US6056903 Preparation of polyethersulfone membranes
05/02/2000US6056807 Dense mixed conducting multicomponent metallic oxide layer of the solid-state membranes for separating oxygen from an oxygen-containing gaseous mixture
05/02/2000US6056529 Systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch
05/02/2000CA2146263C Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes
05/02/2000CA2138777C Production of metals from minerals
04/2000
04/27/2000WO2000023378A1 Zeolite composite film and process for producing the same
04/27/2000WO2000023249A2 Cellulose extrusion
04/27/2000WO2000023177A1 Membranes containing sulphonated polyetherketone and another polymer, method for the production and use thereof
04/27/2000DE19849216A1 Separator for e.g. regeneration of activated carbon packing comprises two separate regions, with diffusion of preferentially-adsorbed component of gas or vapor mixture against temperature generation
04/26/2000EP0994747A1 Highly asymmetric ultrafiltration membranes
04/26/2000CN1251318A Method for making ceramic coating
04/25/2000US6054111 Lyotropic liquid-crystal phases of amphiphilic block copolymers as template for the preparation of mesoporous solids
04/25/2000US6054085 Membrane
04/25/2000CA2171142C Planar solid-state membrane module
04/20/2000WO2000022690A1 Fuel processing system
04/20/2000WO2000022684A2 Composite solid polymer electrolyte membranes
04/20/2000WO2000021648A1 Membrane pre-treatment process
04/20/2000WO2000021641A1 Metal filter
04/20/2000DE19847782A1 An electrically conducting membrane useful for direct methane fuel cells and in electrodialysis contains sulfonated alternating polyether ketones with aryl-containing repeating units and optionally fluorinated polymer