| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 03/30/2004 | CA2263582C Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
| 03/25/2004 | WO2004024808A1 Porous membrane of poly(metaphenylene isophthalamide) and process for producing the same |
| 03/25/2004 | WO2004024305A1 PROCESS FOR PRODUCTION OF POLY(m-PHENYLENEISOPHTHAL- AMIDE) POROUS HOLLOW FIBER MEMBRANE |
| 03/25/2004 | WO2004024300A1 Ultrafiltration membrane, device, bioartificial organ and methods |
| 03/25/2004 | US20040057885 Storing and transporting peritoneal dialysate in dry or lyophilized form; for producing a peritoneal dialysis solution from dry reagents |
| 03/25/2004 | US20040055875 Nanodevice for charged particle flow and method for producing same |
| 03/24/2004 | CN1142813C Air filter material and manufacturing method |
| 03/24/2004 | CN1142811C Microstructured filter |
| 03/23/2004 | US6710098 Methods for reforming polymer surface for improved wettability |
| 03/23/2004 | US6709590 Composite reverse osmosis membrane and method for producing the same |
| 03/23/2004 | US6709491 Gas separation membrane and method of producing the same |
| 03/18/2004 | WO2004022201A1 Porous composite membrane and method for making the same |
| 03/18/2004 | WO2003059496A3 Microporous holow fiber membrane with lengthwise variable mechanical and filtration properties and the method of their preparation |
| 03/18/2004 | WO2003040444A8 Manufacture of polyimide hollow fibres |
| 03/18/2004 | US20040054125 Sulfonated aryl sulfonate matrices and method of production |
| 03/18/2004 | US20040050791 Asymmetric hollow fiber membranes |
| 03/18/2004 | US20040050788 Fiber wall has a lower mass density zone at the inner surface and a higher mass density zone at the outer surface; inner lumens provides means for transporting the exudate ex-vivo; asymmetrical |
| 03/18/2004 | US20040050250 Base membrane incorporates a selective layer made from a polymer selective between the light gases to be separated; coating layer of fluorinated polymer capable of protecting base membrane from c3+ hydrocarbon vapors and liquids |
| 03/16/2004 | US6706203 Adjustable nanopore, nanotome, and nanotweezer |
| 03/16/2004 | US6706184 Positioning one dope-applying apparatus having two polymer dope feed slots to coat concurrently a continuously moving surface to make a multilayer; forming a wet multizone phase inversion microporous membrane; filters; blood; water |
| 03/16/2004 | US6706088 Vibration/rotation from microwave energy alters molecular structure/polarity of membrane; pervaporation |
| 03/11/2004 | WO2004021485A2 Method and apparatus for transferring thin films from a source position to a target position |
| 03/11/2004 | WO2004021481A1 Method of plating metal leafs and metal membranes |
| 03/11/2004 | WO2004020511A1 Polyolefin microporous membrane and method of evaluating the same |
| 03/11/2004 | WO2004020064A2 Method of forming nanoporous membranes |
| 03/11/2004 | US20040049230 Biomimetic membranes |
| 03/11/2004 | US20040048129 Physicochemical properties and superior fuel cell performance in hydrogen oxygen fuel cells |
| 03/11/2004 | US20040048092 Preparing a structure including columnar members and an area surrounding each of columnar members; removing columnar members from structure to form a porous body; filling porous body with a functional material |
| 03/11/2004 | US20040045897 Improved surface hydrophilicity without increasing the amount of components released therefrom, is less apt to interact with living-body components, does not adsorb proteins, and is less apt to deteriorate in performance. The hollow-fiber |
| 03/11/2004 | US20040045893 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter |
| 03/11/2004 | CA2496652A1 Method and apparatus for transferring thin films from a source position to a target position |
| 03/10/2004 | EP1395628A1 Method for the production of cellulosic flat films |
| 03/10/2004 | EP1198554B1 Detection of micro-organisms |
| 03/10/2004 | CN1481409A Modified sulfonamide polymers |
| 03/10/2004 | CN1481272A Hollow fiber film and method for prodn thereof |
| 03/10/2004 | CN1141169C Integrally asymmetrical polyolefin membrane |
| 03/09/2004 | US6702965 Method of forming a porous composite product, in particular with a high specific surface |
| 03/04/2004 | WO2004018527A1 Fluoropolymer dispersion and process for producing fluoropolymer dispersion |
| 03/04/2004 | WO2004018085A1 Modified substrate and process for producing modified substrate |
| 03/04/2004 | WO2003045840A3 Mesoporous materials and methods |
| 03/04/2004 | WO2001093994A8 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof |
| 03/04/2004 | US20040043224 Enhanced hydrophobic membranes and methods for making such membranes |
| 03/04/2004 | US20040042789 Method and apparatus for transferring thin films from a source position to a target position |
| 03/04/2004 | US20040040416 Method of forming nanoporous membranes |
| 03/04/2004 | DE10234614B3 Verfahren zur Bearbeitung von Trägermaterial durch Schwerionenbestrahlung und nachfolgenden Ätzprozess A method for processing substrate by heavy ion irradiation and subsequent etching process |
| 03/04/2004 | CA2496096A1 Modified substrate and method for producing modified substrate |
| 03/03/2004 | EP1393394A2 Conductive polyamine-based electrolyte |
| 03/03/2004 | EP1392765A1 Modification of drawn film |
| 03/03/2004 | EP1157067B1 Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same |
| 03/03/2004 | CN1140327C Permselective membranes and method for their production |
| 03/03/2004 | CN1140326C Filter medium and air filter unit using same |
| 02/26/2004 | WO2004016552A1 Process for producing zeolite molding and process for producing zeolite laminate composite |
| 02/26/2004 | WO2004016341A2 Fluoropolymer membrane |
| 02/26/2004 | US20040039148 Sulfonated copolymer |
| 02/26/2004 | US20040038044 Two-step catalysed hydrolysis sol-gel process; tetraethyl-orthosilicate/ethanol solution is placed in an ice bath, to which an acid/water solution is added followed by refluxing then adding water and nitric acid |
| 02/26/2004 | US20040038007 Preparation of the layer-by-layer assembled materials from dispersions of highly anisotropic colloids |
| 02/26/2004 | US20040035782 Modified membranes |
| 02/26/2004 | US20040035290 Porous gas permeable material for gas separation |
| 02/26/2004 | CA2494545A1 Fluoropolymer membrane |
| 02/25/2004 | EP1391235A2 Process for manufacturing a porous alumina membrane for fuel cells |
| 02/25/2004 | EP1390126A2 Method for reducing an adsorption tendency of molecules or biological cells on a material surface |
| 02/25/2004 | EP1390087A1 Crosslinked multipolymer coating |
| 02/25/2004 | EP1220868B1 Extracorporeal endotoxin removal method |
| 02/25/2004 | EP1153969B1 Microporous polyolefin film and process for producing the same |
| 02/25/2004 | EP1153968B1 Microporous polyolefin film and process for producing the same |
| 02/25/2004 | CN1477990A Novel membranes having improved mechanical properties, for use in fuel cells |
| 02/25/2004 | CN1139622C Porous composite product particularly with high specific surface area, preparing method and electrode for electrochemical assembly formed with porous composite film |
| 02/19/2004 | WO2004015804A2 Metal coated polymer electrolyte membrane having a reinforcement structure |
| 02/19/2004 | WO2004015803A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells |
| 02/19/2004 | WO2004015801A1 Composite electrolyte for fuel cells |
| 02/19/2004 | WO2004015161A1 Method and array for processing carrier materials by means of heavy ion radiation and subsequent etching |
| 02/19/2004 | WO2004014578A1 Bundle draw based processing of nanofibers and method of making |
| 02/19/2004 | WO2003023890A3 Hydrophilic polymers and their use in electrochemical cells |
| 02/19/2004 | US20040033339 Porous body and method of manufacturing the same |
| 02/19/2004 | US20040031741 A storage housing comprising dry reagent in a bed and a compressor and apertures for intaking water and discharing solution; a medical equipment for preparing dialysis solution from dry powder form |
| 02/19/2004 | DE10224568A1 Microarray-Vorrichtung Microarray device |
| 02/19/2004 | CA2494530A1 Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells |
| 02/18/2004 | EP1389352A2 Polymer electrolyte membrane |
| 02/17/2004 | US6692857 Multilayer polymer |
| 02/12/2004 | WO2003087824A3 Charge-balanced chemoselective linkers |
| 02/12/2004 | US20040028973 Metal coated polymer electrolyte membrane having a reinforcement structure |
| 02/12/2004 | US20040028913 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
| 02/12/2004 | US20040028901 Twisting, fluid flow channels; aggregation of particles |
| 02/12/2004 | US20040028875 Method of making a product with a micro or nano sized structure and product |
| 02/12/2004 | US20040026315 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 02/12/2004 | US20040026314 Suppression adhesion of blood cells; hydrophobic porous membrane |
| 02/12/2004 | DE19907564B4 Verfahren und Vorrichung zur größenabhängigen Sortierung mikroskopisch kleiner Teilchen auf der Basis von rauschinduziertem Transport Procedures and Vorrichung for size-dependent sorting microscopic particles on the basis of rauschinduziertem transport |
| 02/12/2004 | DE10235357A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing phosphoric and sulfonic acid |
| 02/12/2004 | DE10235356A1 Proton conducting polymer membrane, useful for the production of fuel cells, is prepared by mixing an aromatic tetra-amino compound with an aromatic carboxylic acid in vinyl containing sulfonic acid |
| 02/12/2004 | DE10233542A1 Membran, Filtrationsmodul und Verfahren zur Abtrennung von Biomolekülen aus einer Flüssigkeit Membrane filtration module and method of separating biomolecules from a fluid |
| 02/11/2004 | EP1388364A1 Asymmetric porous films and process for producing the same |
| 02/11/2004 | EP1387763A2 Polymeric membranes functionalized with egta ligands |
| 02/11/2004 | EP1349644A4 Modified membranes |
| 02/11/2004 | CN1474887A Cold isopressing method |
| 02/11/2004 | CN1137761C Cast membrane structures for sample preparation |
| 02/10/2004 | US6689608 Polymeric matrix formed of biodegradable, biocompatible, synthetic, amorphous or semi-crystalline polymer having specified crystallinity, porosity and pore size, suitable for attachment and proliferation of dissociated cells |
| 02/10/2004 | US6688477 Multilayer; porous support, permselective layer; membrane for separation of gases, liquids |
| 02/05/2004 | WO2004011672A1 Porous nanostructured film sensor |
| 02/05/2004 | WO2004011600A2 Biomimetic membranes |
| 02/05/2004 | WO2003061812A3 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof |