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)
06/2000
06/28/2000CN1257748A Alcohol-water system modifying process for inner interface of inverse osmosis membrane
06/28/2000CN1257747A Process for modifying reverse osmosis composite membrane by inner interface adsorption of surfactant
06/22/2000WO2000035672A1 Porous material, air filter filter medium, air filter unit and support material for air filter filter medium
06/22/2000WO2000035566A1 Dialyzers and method for modifying the same using a laser
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
06/21/2000EP1009513A1 Moulded filter media comprising a sheet of porous nonwoven material
06/21/2000CN1257434A Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
06/20/2000US6077376 Process for producing a tubular membrane assembly
06/15/2000WO2000033948A1 Membrane comprising a porous support and a molecular sieve layer and method for preparing same
06/15/2000DE19857590A1 Keramische Flachmembran und Verfahren zu ihrer Herstellung Flat ceramic membrane and processes for their preparation
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
06/14/2000EP0935494A4 Cationically charge-modified membranes
06/14/2000EP0655013B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
06/14/2000CN1053387C Prepn. of complex film with coating
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
06/08/2000WO2000032294A1 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
06/07/2000CN1255876A Surface modified porous membrane and process
06/06/2000US6071834 Dimensionally stabilized breathable membrane
06/06/2000US6071412 Extracorporeal device containing immobilized chelator on silica substrate and use thereof
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
06/02/2000WO2000030606A1 Method for regulating a chemical valve
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
05/25/2000WO2000029101A1 Microporous flat, capillary or tubular membrane and method of manufacturing the same
05/25/2000WO2000029098A1 Porous monolithic support for a filtering element and filtering element
05/25/2000DE19853638A1 Carbon di:oxide supply apparatus for washing semiconductor devices, liquid crystals
05/25/2000DE19853286A1 Electrically controllable laboratory gel-permeation device which can be used for laboratory or medical dosing of soluble substances
05/24/2000EP1001839A1 Hollow fiber co-flow filtration device
05/24/2000CN1254308A Highly asymmetric, hydrophilic, microfiltration membranes having large pore
05/24/2000CN1254299A Article of manufacture including surface modified membrane and process
05/23/2000US6066592 Gas separator
05/23/2000CA2069510C Dry high flux semipermeable membranes
05/23/2000CA2063787C High flux semipermeable membranes
05/18/2000WO2000027512A1 Super selective hollow fibre membranes
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
05/16/2000US6063278 Amides, sulfonamides and ureas
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
05/11/2000DE19850340A1 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
05/10/2000EP0999180A2 Process for reducing carbon production in solid electrolyte ionic conductor systems
05/10/2000EP0998972A1 Longitudinal reinforced self-supporting capillary membranes and their use
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
05/03/2000EP0585436B1 Immobilization of chemical species in crosslinked matrices
05/03/2000CA2288316A1 Longitudinal reinforced self-supporting capillary membranes and their use
05/02/2000US6057060 Ultra-thin, single-ply battery separator
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
04/2000
04/27/2000WO2000023378A1 Zeolite composite film and process for producing the same
04/27/2000WO2000023249A2 Cellulose extrusion
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
04/25/2000US6054085 Membrane
04/20/2000WO2000022684A2 Composite solid polymer electrolyte membranes
04/20/2000WO2000021648A1 Membrane pre-treatment process
04/20/2000WO2000021641A1 Metal filter
04/20/2000WO2000007702A3 Template-textured materials, methods for the production and use thereof
04/20/2000CA2346777A1 Membrane pre-treatment process
04/20/2000CA2342237A1 Composite solid polymer electrolyte membranes
04/19/2000EP0993930A1 Process for manufacturing an element constituted of a support and a membrane welded to it, in particular a stop for a straw and assembly of membrane-supports obtained by this process
04/19/2000CN1251054A Container
04/19/2000CN1250681A Bipolar film and its preparing process
04/18/2000US6051677 Excellent in selective permeating performance, good in heat resistance, chemical resistance and durability
04/18/2000CA2132682C Method for the removal of components causing turbidity, from a fluid, by means of microfiltration
04/13/2000WO2000020492A1 Microporous polyolefin film and process for producing the same
04/13/2000WO2000020096A1 Filter and method of filtering a fluid
04/13/2000WO2000020053A1 Biological fluid filter and system
04/13/2000WO1999064129A3 Process for preparing hydroxylated aromatics by hydrogen and oxygen
04/13/2000CA2345535A1 Biological fluid filter and system
04/12/2000EP0992277A1 Dry semipermeable reverse osmosis membrane and process for preparing the same using saccharides
04/12/2000EP0721479B1 Polymer membrane having a high permeability for alkanol
04/12/2000CN1250391A Dialysis membranes and process for their production
04/11/2000US6048457 Cast membrane structures for sample preparation
04/06/2000WO2000018498A1 Apparatus and method for cleaning membrane filtration modules
04/06/2000WO2000002638A9 Composite membranes and methods for making such membranes
04/05/2000EP0989904A1 Membrane module with unilaterally embedded hollow fiber membranes
04/05/2000EP0989898A1 Antimicrobial filter cartridge
04/05/2000CN1249204A Osmosis vaporizing compound membrane and application thereof
04/04/2000US6045899 Rendered hydrophilic through co-casting a sulfone polymer with a hydrophilic polymer; for separation of liquids from solids contained therein
04/04/2000US6045694 Cationically charge-modified membranes
04/04/2000US6044981 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
03/2000
03/30/2000DE19843306A1 Verfahren zur Herstellung einer rohrförmigen Wasserstoffpermeationsmembran A process for producing a tubular hydrogen permeation