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)
09/2000
09/11/2000CA2265390A1 Novel composite membrane
09/07/2000DE19909841A1 Mehrschichtmembranen und Verfahren zu ihrer Herstellung Multilayer membranes and methods for their preparation
09/06/2000EP1033162A1 Composite hollow fiber membrane
09/06/2000CN1265334A Ion selective membrane, its making method, its use and instrument with the said membrane
09/05/2000US6113794 Composite solvent resistant nanofiltration membranes
09/05/2000US6112908 Dissolving hydrophilic prepolymer in a volatile low surface tension organic liquid, applying to a hydrophobic microporous membrane, evaporating, crosslinking surface to render it water insoluble, drying; membranes for osmotic distillation
08/2000
08/31/2000WO2000051198A2 Solid gel membrane
08/31/2000WO2000050884A2 Method and device for sorting microscopic particles according to size based on noise-induced transport
08/31/2000WO2000050161A1 Positively charged membrane
08/31/2000WO2000050160A1 Negatively charged membrane
08/31/2000WO2000050159A1 Membrane and its use
08/31/2000DE19907824A1 Membran und deren Verwendung Membrane and the use thereof
08/31/2000CA2362298A1 Solid gel membrane
08/30/2000EP1031598A2 Ion-selective membranes, their production process, use of the ion-selective membranes, and apparatuses provided with the ion-selective membranes
08/30/2000CN1265048A Porous polyvinylidene fluoride resin film and process for producing same
08/30/2000CN1265047A Integrally asymmetrical polyolefin membrane for gas transfer
08/29/2000US6110369 Casting dispersion comprising homogeneous solution of polymer, solvent and nonsolvent into thin layer; contacting with pore forming atmosphere; quenching with nonsolvent liquid to precepitate polymer integral membrane; recovering membrane
08/29/2000US6110309 Process of making a polyvinylidene difluoride membrane
08/24/2000WO2000049073A1 Polyolefin microporous film and method for preparing the same
08/24/2000WO2000049069A1 Polymer membrane and a process for the production thereof
08/24/2000WO2000048718A1 Separation method and device with semi-permeable membranes comprising sulphonated polyimides
08/24/2000WO2000048717A1 Method for manufacturing a membrane
08/24/2000WO2000023249A3 Cellulose extrusion
08/24/2000DE19907564A1 Separation of small particles, especially macromolecules, in suspension comprising pumping the suspension back and forth through a barrier with profiled pores
08/24/2000CA2371786A1 Separation method and device with semi-permeable membranes comprising sulphonated polyimides
08/23/2000EP1029584A1 Cellulose acetate semipermeable membrane and method for producing the same
08/23/2000EP1028816A1 Method and apparatus for the preparation of monolayers of particles or molecules
08/23/2000EP0730490B1 A composite structure and a method for forming same
08/22/2000US6107350 Gel compositions
08/22/2000US6106723 Biological applications for ultrapure water, absorbent composition comprising a polymeric support and a multiplicity of ligands comprising alkylamino group, wherein at least a portion of said ligands is crosslinked.
08/22/2000US6106591 Separation oxygen from feed gas stream; purging; circulation exhaust gases
08/22/2000CA2054933C Filter for parenteral systems
08/17/2000WO2000047313A1 Porous composite membrane, and a method of treating a membrane
08/17/2000DE19904244A1 Multiple layer filter element formed from separate elements, by ultra-sound fusion of thermoplastics inserts interleaved around the edge regions of the filter elements
08/16/2000EP1027289A1 Purification of a liquid stream
08/16/2000EP1027138A1 Method and device for separating a mixture into solid and liquid parts by cross-flow filtration
08/16/2000EP0781166B1 Membrane separation process
08/15/2000US6103117 Polysulfone hollow fiber semipermeable membrane
08/10/2000WO2000045945A1 Method for manufacturing filter having ceramic porous film as separating film
08/10/2000WO2000045944A1 Method for manufacturing filter having ceramic porous film as separating film
08/10/2000WO2000045933A1 Graded particle-size retention filter medium for cell-type filter unit
08/10/2000WO2000029101B1 Microporous flat, capillary or tubular membrane and method of manufacturing the same
08/09/2000EP1024886A1 A manufacturing method of composite membrane having hydrophilic coating layer on hydrophobic support membrane
08/09/2000EP1024881A1 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell
08/09/2000EP1015098A4 Cast membrane structures for sample preparation
08/09/2000EP0720628B1 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
08/08/2000US6099734 Novel composite membrane that includes a particulate material immobilized within a polymeric matrix,
08/08/2000US6099621 Membrane formed from a polyamine or its blend; at least one group 1a, 2a, 3a, or amine salt of an aminoacid of given formula; and a crosslinking agent; membrane permselective for carbon dioxide
08/03/2000WO2000045447A2 Proton conducting membrane using a solid acid
08/03/2000WO2000044484A2 Microporous hollow fiber membranes from perfluorinated thermoplastic polymers
08/03/2000WO2000044482A2 Skinned hollow fiber membrane and method of manufacture
08/03/2000WO2000044479A1 Hollow fiber membrane contactor
08/03/2000DE19902517A1 Composite membrane for gas separation comprises a porous supporting membrane, a non-porous, gas-permeable interlayer and a perm-selective layer of polymer based on gamma-alkyl L-glutamate units
08/02/2000EP1023484A1 Improved industrial fabrics
08/02/2000CN1261818A Composite reverse osmosis membrane and process for preparing the same
08/02/2000CN1261548A Fluid separating film made from polyether acyl imide
08/02/2000CN1261547A High permeability composite reverse osmosis film and its producing method
08/01/2000US6096111 Pressing agglutinating particle mixture to form compact; melting; powder metallurgy
08/01/2000CA2002798C Porous membranes
07/2000
07/27/2000WO2000043115A1 Ethylene-vinyl alcohol hollow fiber membranes
07/27/2000WO2000043114A1 Integrally asymmetrical polyolefin membrane
07/27/2000WO2000043113A1 Method for producing an integrally asymmetrical polyolefin membrane
07/27/2000WO2000035566B1 Dialyzers and method for modifying the same using a laser
07/20/2000WO2000042138A1 Method and apparatus for processing vegetable oil miscella
07/20/2000WO2000042095A1 Flame retardant microporous materials
07/20/2000WO2000041800A1 Composite semipermeable membrane, process for producing the same, and method of purifying water with the same
07/20/2000WO2000022684A3 Composite solid polymer electrolyte membranes
07/20/2000DE19901378A1 Verfahren zur Herstellung einer Polymermembran, insbesondere einer Polymerelektrolytmembran für Methanol-Brennstoffzellen und eine solche Membran A process for producing a polymer membrane, in particular a polymer electrolyte membrane for methanol fuel cell and such a membrane
07/20/2000CA2360615A1 Method and apparatus for processing vegetable oil miscella
07/19/2000EP1020489A1 Polymer electrolyte membrane, especially for methanol-fuel cells and process for their production
07/19/2000EP1020218A1 Composite reverse osmosis membrane and process for preparing the same
07/19/2000EP1019238A4 Microporous membrane with a stratified pore structure created in situ and process
07/19/2000EP1019238A1 Microporous membrane with a stratified pore structure created in situ and process
07/19/2000EP1019179A1 Gelatine membrane filters and method for producing the same
07/19/2000EP0702626B1 Method for bonding a porous medium to a substrate
07/18/2000US6090572 Using simple, disposable device to provide clarified liquid for further analysis or disposal; liquid is expressed from device by squeezing pliant body
07/18/2000US6090441 Impregnating support with polymer
07/13/2000WO2000040513A1 Method and apparatus for microfiltration
07/13/2000DE19900493A1 Verfahren zur hydrophilen Beschichtung von Membranen For the hydrophilic coating of membranes
07/12/2000EP1018495A2 Hollow microfibre of ceramic material, method of making it and its use
07/12/2000EP1018362A2 Method of applying a hydrophilic coating to membranes
07/12/2000EP1017484A1 A process for repairing membrane imperfections
07/12/2000EP1017480A1 Method for separating actinides and lanthanides by membrane transport using a calixarene
07/12/2000EP1017476A1 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same
07/12/2000CN1259394A Method for decreasing prodn. of carbon in solid electrlyte ion conductor system
07/11/2000US6086764 Semipermeable encapsulated membranes with improved acid and base stability process for their manufacture and their use
07/06/2000WO2000038910A1 Zeolite membrane and a process for the production thereof
07/06/2000WO2000038823A1 In situ manufacture of membrane microfilters
07/06/2000DE19860265A1 IMS-Membran mit gitterartiger Stützvorrichtung IMS membrane with a grid-like support device
07/06/2000CA2356684A1 In situ manufacture of membrane microfilters
07/05/2000EP1016425A1 Process for producing leukocyte-removing material and hydrophilized polyolefins
07/05/2000EP1016152A1 Lithium recovery and purification
07/05/2000EP1015098A1 Cast membrane structures for sample preparation
07/05/2000EP0882088B1 Alpha,beta,beta-trifluorostyrene-based and substituted alpha,beta,beta-trifluorostyrene-based composite membranes
07/05/2000EP0527913B2 Method for making pvdf hollow fibre membranes
07/04/2000US6083401 Separative membrane and method for using this membrane
07/04/2000US6083393 Hydrophilic membrane
06/2000
06/28/2000EP1013337A2 Highly permeable composite reverse osmosis membrane and method of producing the same
06/28/2000EP1013336A1 IMS-membrane with grid-like support
06/28/2000EP1013335A1 Method for selectively extracting ionic species from an aqueous solution