Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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01/09/2001 | US6171497 Highly permeable composite reverse osmosis membrane |
01/03/2001 | EP1064139A1 Process of making reinforced, three zone microporous membrane |
01/03/2001 | EP1064073A1 Selective membrane and process for its preparation |
01/03/2001 | EP1064046A1 Methods and devices for removing interfering species |
12/28/2000 | WO2000078850A1 Process for the production of a composite membrane |
12/28/2000 | WO2000078437A1 Hollow fiber membrane and braided tubular support therefor |
12/28/2000 | WO2000044482A3 Skinned hollow fiber membrane and method of manufacture |
12/28/2000 | CA2377255A1 Hollow fiber membrane and braided tubular support therefor |
12/27/2000 | EP1063256A1 Microporous film |
12/27/2000 | EP1063004A1 Composite hollow fiber membrane and its manufacture |
12/27/2000 | EP1062027A1 Microporous membrane and method for providing the same |
12/26/2000 | US6166168 Application of sulfone, ketone and ester containing polyalkyl ether units to medical materials |
12/21/2000 | WO2000077874A1 Proton conducting polymer membranes |
12/21/2000 | WO2000076760A1 Polymeric membranes functionalized with polyhydroxypyridinone ligands |
12/21/2000 | WO2000076641A1 Composite membrane with polyalkylene oxide modified polyamide surface |
12/21/2000 | WO2000076634A1 Porous gas permeable material for gas separation |
12/20/2000 | EP1059991A1 Methods for reforming polymer surface for improved wettability |
12/20/2000 | EP1059979A1 Micromachined membrane particle filter using parylene reinforcement |
12/19/2000 | CA2065808C Uniform polyvinylidene difluoride membrane and method of making |
12/14/2000 | WO2000074825A1 Ultrafiltration and microfiltration of aqueous suspensions |
12/14/2000 | WO2000074824A1 One step removal of unwanted molecules from circulating blood |
12/14/2000 | WO2000022684A9 Composite solid polymer electrolyte membranes |
12/14/2000 | DE19925929A1 Cellulose acetate-based microfiltration membrane contains a small amount of hydrophilic synthetic silica incorporated in the matrix as a non-leachable wetting agent |
12/14/2000 | CA2339103A1 Ultrafiltration and microfiltration of aqueous suspensions |
12/12/2000 | US6160030 High water content porous polymer |
12/12/2000 | US6159375 Method for removing leukocytes and methylene blue from plasma |
12/12/2000 | US6159370 Solvent and acid resistant membrane on the basis of polyacrylnitrile (PAN) and a comonomer copolymerized therewith and a method of manufacturing such a membrane |
12/12/2000 | US6159369 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 |
12/07/2000 | WO2000072950A1 Cellulose derivative hollow fiber membrane |
12/07/2000 | WO2000072941A1 Oleophobic filter materials for filter venting applications |
12/07/2000 | CA2375077A1 Oleophobic filter materials for filter venting applications |
12/06/2000 | EP1056533A1 Process of forming a permeable gas separation material |
12/06/2000 | EP1056532A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores |
12/05/2000 | US6156381 Ozone treatment of surface of membrane to improve permselectivity |
11/28/2000 | US6153133 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 |
11/23/2000 | WO2000070012A1 Metal chelating filters and metal chelate filters |
11/23/2000 | WO2000069951A2 Plasma-annealed porous polymers |
11/23/2000 | WO2000069549A1 Charged membrane |
11/23/2000 | WO2000069548A1 Plasma-annealed membrane for protein separation |
11/23/2000 | CA2371060A1 Charged membrane |
11/22/2000 | EP1053052A2 Treatment of composite polyamide membranes to improve performance |
11/21/2000 | US6150164 Methods and compositions of a bioartificial kidney suitable for use in vivo or ex vivo |
11/16/2000 | WO2000068305A1 Porous films and processes for the production thereof |
11/16/2000 | WO2000067905A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same |
11/16/2000 | WO2000050884A3 Method and device for sorting microscopic particles according to size based on noise-induced transport |
11/15/2000 | EP1051236A1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof |
11/14/2000 | US6146747 Highly porous polyvinylidene difluoride membranes |
11/09/2000 | WO2000066815A1 Method of producing a filter |
11/09/2000 | WO2000066655A1 Coating materials containing melamine resin |
11/09/2000 | WO2000006526A9 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes |
11/09/2000 | CA2369963A1 Method of producing a filter |
11/08/2000 | EP1049495A2 Biological fluid treatment system |
11/02/2000 | WO2000064533A1 Methods and devices for removing interfering species |
11/02/2000 | DE19919903A1 Verfahren zur Herstellung eines Filters A method for manufacturing a filter |
11/02/2000 | CA2369336A1 Hydrogel in an iontophoretic device to measure glucose |
10/31/2000 | US6139742 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 |
10/31/2000 | CA2202646C Porous ptfe film and a manufacturing method therefor |
10/31/2000 | CA2116116C 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 |
10/27/2000 | CA2306981A1 Intrinsically bacteriostatic membranes and systems for water purification |
10/26/2000 | WO2000063995A1 Process of making a composite membrane |
10/26/2000 | WO2000063991A1 Phosphorus atom containing fluorinated cationic exchange membrane and proton-conductive fuel cell |
10/25/2000 | CN1271296A Microstructured filter |
10/19/2000 | WO2000061267A1 Porous membrane |
10/19/2000 | CA2367547A1 Porous membrane |
10/18/2000 | EP1024881A4 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell |
10/18/2000 | CN1057479C Polymer film and manufacture and use thereof |
10/17/2000 | US6132654 Microporous polyolefin membranes for battery separators |
10/11/2000 | EP1043035A1 Coating of membranes for medical devices |
10/05/2000 | WO2000057995A1 Separation of components of organic liquids |
10/05/2000 | DE19910466A1 Verfahren zur Herstellung einer hydrophilen Hohlfadenkompositmembran A process for producing a hydrophilic Hohlfadenkompositmembran |
10/04/2000 | CN1268893A Leukocyte-removing filter material |
10/03/2000 | US6127501 Polyethylene membrane steam-sterilizable at 134° C. |
10/03/2000 | US6126826 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 |
10/03/2000 | US6126825 A polyalkenamer microfilter has excellent resistance to chemicals; use for waste disposal |
09/27/2000 | EP1038571A2 Solvent-resistant microporous polybenzimidazole membranes |
09/27/2000 | EP1038570A1 Positively charged polymer membranes |
09/21/2000 | WO2000055185A1 Metal loaded ligand bound membranes for metal ion affinity chromatography |
09/21/2000 | DE19911413A1 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 |
09/20/2000 | EP1035907A1 Inorganic filtering material modified with organomineral grafting and preparation method |
09/19/2000 | US6120875 Transparent micro perforated material and preparation process |
09/14/2000 | WO2000053833A1 Method for producing shaped bodies |
09/14/2000 | WO2000053294A1 Systems and methods for manufacturing reinforced, three-zone microporous membrane |
09/14/2000 | WO2000053288A1 Method for producing a hydrophilic hollow fiber composite membrane |
09/14/2000 | WO2000024796A8 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto |
09/08/2000 | WO2000051705A1 Methods and devices for preparing hemodialysis solutions |
09/08/2000 | WO2000051704A1 Apparatus and method for preparation of a peritoneal dialysis solution |
09/08/2000 | WO2000051701A2 Improved water purification pack |
09/05/2000 | US6113785 Polysulfone membrane for purifying blood |
09/05/2000 | US6112908 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 |
08/31/2000 | WO2000051198A2 Solid gel membrane |
08/31/2000 | WO2000050884A2 Method and device for sorting microscopic particles according to size based on noise-induced transport |
08/31/2000 | WO2000050161A1 Positively charged membrane |
08/31/2000 | WO2000050160A1 Negatively charged membrane |
08/31/2000 | WO2000050159A1 Membrane and its use |
08/31/2000 | WO2000027513A3 Polymer composition, membrane containing said composition, method for the production and use thereof |
08/31/2000 | DE19907824A1 Membran und deren Verwendung Membrane and the use thereof |
08/31/2000 | CA2362298A1 Solid gel membrane |
08/30/2000 | CN1265048A Porous polyvinylidene fluoride resin film and process for producing same |
08/30/2000 | CN1265047A Integrally asymmetrical polyolefin membrane for gas transfer |
08/29/2000 | US6110369 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 |