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)
03/2001
03/07/2001EP1081098A1 Filtration and purification system for aqueous acids
03/07/2001EP1080777A1 Ultrafiltration membrane and method for producing the same, dope composition used for the same
03/07/2001CN1286502A Cell separator with reduced break tendency
03/06/2001US6197427 Process for the production of zeolite membranes supported on porous glass and a zeolite membrane so produced
03/01/2001WO2001014062A1 Filtration and purification system for ph neutral solutions
03/01/2001WO2001014047A1 Filter membranes for physiologically active substances
03/01/2001DE19936044A1 Polyaniline membrane, for use in gas separation, pervaporation and liquid phase separation, has layer(s) of polyorganosiloxane
03/01/2001DE19934737A1 Polyamide membrane for reverse osmosis membrane, comprises reaction product of solution of polyfunctional amine, salt-containing compound and polar solvent(s), and solution of amine-reactive reactant
03/01/2001DE19929482A1 Membrane production for olefin/paraffin separation, comprises use of polymer matrix containing transition metal salt which reversibly complexes unsaturated organic compounds and avoids addition of water or alcohol to the feed
02/2001
02/28/2001CN1285766A Bacteriostalic filter cartridge
02/28/2001CN1285234A Porous stainless steel membrane for supporting molecular sieve and preparation method thereof
02/28/2001CN1062489C Process for preparation of polyvinyl alcohol hollow fiber film
02/28/2001CA2314455A1 Battery separators with reduced splitting propensity
02/22/2001WO2001013453A1 Oxygen separation through hydroxide-conductive membrane
02/22/2001WO2001012304A1 Osmotic distillation process
02/20/2001CA2176361C Polyhydroxybutyrate and polyphosphate membranes with channels
02/15/2001WO2001011216A2 A humidifying gas induction or supply system
02/15/2001WO2001010543A1 Stack of flat membranes and method for the production thereof
02/15/2001WO2001010542A1 Antimicrobial filter cartridge
02/15/2001DE19938674A1 Flachmembranstapel und Verfahren zu seiner Herstellung Flat membrane stack and process for its preparation
02/13/2001US6187196 Membrane separation of components in a fluid mixture
02/13/2001US6186342 Semipermeable capillary having overlapped strengthening layer
02/13/2001US6186341 Integrity testable filtration unit using supported hydrophilic porous membranes
02/13/2001CA2027901C Hardened gum formed-in-place membranes
02/08/2001WO2001009414A1 Mesotubes and nanotubes
02/08/2001WO2001008792A2 Charged filtration membranes and uses therefor
02/08/2001WO2000040513A8 Method and apparatus for microfiltration
02/08/2001CA2379413A1 Charged filtration membranes and uses therefor
02/07/2001EP1074291A1 Cross-flow filtration membrane and method for manufacturing the same
02/07/2001CN1283134A Microporous memebrane and method for providing the same
02/06/2001US6183640 Highly asymmetric anionic membranes
02/06/2001US6183542 Method and apparatus for purifying hydrogen
02/01/2001WO2001007149A1 Oxide ion conductive ceramic membrane
02/01/2001WO2001007148A1 Polymer membrane for the separation of gas mixture
02/01/2001DE10023456A1 Meso- und Nanoröhren Meso- and nanotubes
02/01/2001CA2380119A1 Polymer membrane for separating mixtures of gases
01/2001
01/31/2001EP0772488B1 Porous composite membrane and process
01/30/2001CA2268641C Method of gasifying or degasifying a liquid
01/30/2001CA2002799C Extrusion of hollow fibre membranes
01/25/2001WO2001005492A1 Polyvinylidene difluoride membranes and methods for making such membranes
01/25/2001DE19934734A1 Polyamide membrane, for production of reverse osmosis membrane, obtained by reacting polyfunctional amine with acid halide or isocyanate in presence of a compound with amine and amine salt groups
01/24/2001EP1070534A1 Method for manufacturing filter having ceramic porous film as separating film
01/24/2001EP1070533A1 Method for manufacturing filter having ceramic porous film as separating film
01/24/2001EP1069938A1 Organic ion-selective membranes
01/23/2001US6177373 Dispersion of microcrystals of molecular sieve, substrate with opposite surface charge as molecular sieve, adhering by attraction
01/23/2001US6177181 Used in water treatment, sewage treatment
01/23/2001US6177013 Use of a neutral or cationic polymer to prevent to activation of blood or plasma in contact with a semi-permeable membrane
01/23/2001US6177011 Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same
01/18/2001WO2001003815A2 Membrane used as a composite membrane for the separation of dissolved and suspended substances and dissolved salts from their carrier liquid
01/18/2001DE19931846A1 Membrane als Verbundmembrane zur Trennung von gelösten und suspendierten Stoffen sowie gelösten Salzen von ihrer Trägerflüssigkeit Membrane as a composite membrane for separating dissolved and suspended matter and dissolved salts from their carrier fluid
01/18/2001DE19910012C1 Verfahren zur Herstellung von Formkörpern A process for the production of molded articles
01/17/2001EP1067998A1 Apparatus and method for separating oxides of heavy isotopes of hydrogen from water
01/16/2001US6174299 Method for treating hemophilia A and B and AIDS and devices used therein
01/16/2001CA2202657C Conductive filter laminate
01/11/2001WO2001002085A1 Method for manufacturing multiple channel membranes, multiple channel membranes and the use thereof in separation methods
01/11/2001WO2000051198A3 Solid gel membrane
01/10/2001EP1066106A1 Reinforced, three zone microporous membrane
01/09/2001US6171689 Formed by thermally induced phase separation from a diluent in combination with a thermoplastic polymer and a flame retardant; useful in clothing, wall or roofing barriers, optical films in electronics and electrical insulation
01/09/2001US6171497 Highly permeable composite reverse osmosis membrane
01/09/2001US6171496 Made from a plurality of semipermeable hollow fibers treated with a non-metallic antimicrobial agent, and a microporous filter medium wrapped around said hollow fibers; use in reverse osmosis, microfiltration
01/09/2001US6170671 Blood filter unit
01/03/2001EP1064986A1 Composite semipermeable membrane, process for producing the same, and method of purifying water with the same
01/03/2001EP1064139A1 Process of making reinforced, three zone microporous membrane
01/03/2001EP1064073A1 Selective membrane and process for its preparation
01/02/2001US6168718 Method for purifying blood plasma and apparatus suitable therefor
12/2000
12/28/2000WO2000078850A1 Process for the production of a composite membrane
12/28/2000WO2000078437A1 Hollow fiber membrane and braided tubular support therefor
12/28/2000WO2000078436A1 Back-flushable spiral wound filter and methods of making and using same
12/28/2000WO2000053296A3 Multilayer membranes and method for the production thereof
12/28/2000WO2000044482A3 Skinned hollow fiber membrane and method of manufacture
12/28/2000CA2377255A1 Hollow fiber membrane and braided tubular support therefor
12/27/2000EP1063256A1 Microporous film
12/27/2000EP1063004A1 Composite hollow fiber membrane and its manufacture
12/27/2000EP1062027A1 Microporous membrane and method for providing the same
12/26/2000US6165553 Providing colloidal suspension of ceramic powder, providing polymeric precursor comprising a polymer containing metal cations, mixing polymeric precursor together with colloidal suspension, applying mixture to membrane support, heating
12/26/2000US6165363 Hollow fiber type filtration membrane
12/21/2000WO2000077874A1 Proton conducting polymer membranes
12/21/2000WO2000077080A1 Proton-conducting ceramics/polymer composite membrane for the temperature range up to 300 °c
12/21/2000WO2000076760A1 Polymeric membranes functionalized with polyhydroxypyridinone ligands
12/21/2000WO2000076641A1 Composite membrane with polyalkylene oxide modified polyamide surface
12/21/2000WO2000076634A1 Porous gas permeable material for gas separation
12/21/2000WO2000044484A3 Microporous hollow fiber membranes from perfluorinated thermoplastic polymers
12/21/2000EP1144097A3 Microporous hollow fiber membranes from perfluorinated thermoplastic polymers
12/21/2000CA2372693A1 Proton-conducting ceramics/polymer composite membrane for the temperature range up to 300 ·c
12/20/2000EP1060785A1 Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same
12/20/2000EP1060007A1 Reinforced microporous filtration membrane and process of making and using same
12/20/2000EP1059991A1 Methods for reforming polymer surface for improved wettability
12/20/2000EP1059980A1 Antimicrobial filter cartridge
12/20/2000CN1277564A Method and device for separating a mixture into solid and liquid parts by cross-flow filtration
12/19/2000US6162358 Formed by interfacial reaction of an essentially monomeric polyamine reactant having an average of two amine functional groups with an essentially monomeric amine-reactive reactant having an average of 2.05 acyl halide functional groups
12/14/2000WO2000076014A2 Methods of preparing electrochemical cells
12/14/2000WO2000076011A2 Methods of preparing a microporous article
12/14/2000WO2000074828A1 Hydrophilic composite membrane for dehydrating organic solutions
12/14/2000WO2000074827A2 Composites and composite membranes
12/14/2000WO2000074825A1 Ultrafiltration and microfiltration of aqueous suspensions
12/14/2000WO2000074824A1 One step removal of unwanted molecules from circulating blood
12/14/2000WO2000022684A9 Composite solid polymer electrolyte membranes
12/14/2000DE19925929A1 Cellulose acetate-based microfiltration membrane contains a small amount of hydrophilic synthetic silica incorporated in the matrix as a non-leachable wetting agent
12/14/2000CA2339103A1 Ultrafiltration and microfiltration of aqueous suspensions
12/13/2000CN1276262A Process and special equipment for preparing anti-pollution compound plyvinyl alcohol film