Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
01/2001
01/09/2001US6171497 Highly permeable composite reverse osmosis membrane
01/03/2001EP1064139A1 Process of making reinforced, three zone microporous membrane
01/03/2001EP1064073A1 Selective membrane and process for its preparation
01/03/2001EP1064046A1 Methods and devices for removing interfering species
12/2000
12/28/2000WO2000078850A1 Process for the production of a composite membrane
12/28/2000WO2000078437A1 Hollow fiber membrane and braided tubular support therefor
12/28/2000WO2000044482A3 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
12/26/2000US6166168 Application of sulfone, ketone and ester containing polyalkyl ether units to medical materials
12/21/2000WO2000077874A1 Proton conducting polymer membranes
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
12/20/2000EP1059991A1 Methods for reforming polymer surface for improved wettability
12/20/2000EP1059979A1 Micromachined membrane particle filter using parylene reinforcement
12/19/2000CA2065808C Uniform polyvinylidene difluoride membrane and method of making
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
12/12/2000US6160030 High water content porous polymer
12/12/2000US6159375 Method for removing leukocytes and methylene blue from plasma
12/12/2000US6159370 Solvent and acid resistant membrane on the basis of polyacrylnitrile (PAN) and a comonomer copolymerized therewith and a method of manufacturing such a membrane
12/12/2000US6159369 Soaking areas of porous hydrophilic filter membrane in hydrophobic polymer material with a solution of hydrophilizing agent containing polyvinylpyrrolidone, peroxodisulfate; washing and drying saturated hydrophilic filter membrane
12/07/2000WO2000072950A1 Cellulose derivative hollow fiber membrane
12/07/2000WO2000072941A1 Oleophobic filter materials for filter venting applications
12/07/2000CA2375077A1 Oleophobic filter materials for filter venting applications
12/06/2000EP1056533A1 Process of forming a permeable gas separation material
12/06/2000EP1056532A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores
12/05/2000US6156381 Ozone treatment of surface of membrane to improve permselectivity
11/2000
11/28/2000US6153133 Extruding polyolefin solution to yield an extrudate; uniaxially stretching extrudate in molten state; cooling stretched polyolefin extrudate to solidify to gel-like sheet by cooling roll; removing solvent, drying, heat setting
11/23/2000WO2000070012A1 Metal chelating filters and metal chelate filters
11/23/2000WO2000069951A2 Plasma-annealed porous polymers
11/23/2000WO2000069549A1 Charged membrane
11/23/2000WO2000069548A1 Plasma-annealed membrane for protein separation
11/23/2000CA2371060A1 Charged membrane
11/22/2000EP1053052A2 Treatment of composite polyamide membranes to improve performance
11/21/2000US6150164 Methods and compositions of a bioartificial kidney suitable for use in vivo or ex vivo
11/16/2000WO2000068305A1 Porous films and processes for the production thereof
11/16/2000WO2000067905A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same
11/16/2000WO2000050884A3 Method and device for sorting microscopic particles according to size based on noise-induced transport
11/15/2000EP1051236A1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof
11/14/2000US6146747 Highly porous polyvinylidene difluoride membranes
11/09/2000WO2000066815A1 Method of producing a filter
11/09/2000WO2000066655A1 Coating materials containing melamine resin
11/09/2000WO2000006526A9 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
11/09/2000CA2369963A1 Method of producing a filter
11/08/2000EP1049495A2 Biological fluid treatment system
11/02/2000WO2000064533A1 Methods and devices for removing interfering species
11/02/2000DE19919903A1 Verfahren zur Herstellung eines Filters A method for manufacturing a filter
11/02/2000CA2369336A1 Hydrogel in an iontophoretic device to measure glucose
10/2000
10/31/2000US6139742 Apparatus comprising chemically activated microporous membrane made by selectively hydrolyzing polyacetylated material to deacetylate surface layer, oxidizing exposed free hydroxyl groups to form aldehydes, attaching polyamino acid
10/31/2000CA2202646C Porous ptfe film and a manufacturing method therefor
10/31/2000CA2116116C Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same
10/27/2000CA2306981A1 Intrinsically bacteriostatic membranes and systems for water purification
10/26/2000WO2000063995A1 Process of making a composite membrane
10/26/2000WO2000063991A1 Phosphorus atom containing fluorinated cationic exchange membrane and proton-conductive fuel cell
10/25/2000CN1271296A Microstructured filter
10/19/2000WO2000061267A1 Porous membrane
10/19/2000CA2367547A1 Porous membrane
10/18/2000EP1024881A4 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell
10/18/2000CN1057479C Polymer film and manufacture and use thereof
10/17/2000US6132654 Microporous polyolefin membranes for battery separators
10/11/2000EP1043035A1 Coating of membranes for medical devices
10/05/2000WO2000057995A1 Separation of components of organic liquids
10/05/2000DE19910466A1 Verfahren zur Herstellung einer hydrophilen Hohlfadenkompositmembran A process for producing a hydrophilic Hohlfadenkompositmembran
10/04/2000CN1268893A Leukocyte-removing filter material
10/03/2000US6127501 Polyethylene membrane steam-sterilizable at 134° C.
10/03/2000US6126826 Dissolving the polymer in a liquid that includes a solvent and a co-solvent, heating the temperature ranging from about 20.degree.c. to about 50.degree.c. corresponding to a desired pore size, spreading on a solid surface to form a film
10/03/2000US6126825 A polyalkenamer microfilter has excellent resistance to chemicals; use for waste disposal
09/2000
09/27/2000EP1038571A2 Solvent-resistant microporous polybenzimidazole membranes
09/27/2000EP1038570A1 Positively charged polymer membranes
09/21/2000WO2000055185A1 Metal loaded ligand bound membranes for metal ion affinity chromatography
09/21/2000DE19911413A1 Production of cationic exchange membrane thin layers used in fuel cells comprises building sulfonic acid groups into deposited thin layers by treating with an aqueous hydrogen sulfite solution
09/20/2000EP1035907A1 Inorganic filtering material modified with organomineral grafting and preparation method
09/19/2000US6120875 Transparent micro perforated material and preparation process
09/14/2000WO2000053833A1 Method for producing shaped bodies
09/14/2000WO2000053294A1 Systems and methods for manufacturing reinforced, three-zone microporous membrane
09/14/2000WO2000053288A1 Method for producing a hydrophilic hollow fiber composite membrane
09/14/2000WO2000024796A8 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
09/08/2000WO2000051705A1 Methods and devices for preparing hemodialysis solutions
09/08/2000WO2000051704A1 Apparatus and method for preparation of a peritoneal dialysis solution
09/08/2000WO2000051701A2 Improved water purification pack
09/05/2000US6113785 Polysulfone membrane for purifying blood
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
08/31/2000WO2000027513A3 Polymer composition, membrane containing said composition, method for the production and use thereof
08/31/2000DE19907824A1 Membran und deren Verwendung Membrane and the use thereof
08/31/2000CA2362298A1 Solid gel membrane
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
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