| 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) |
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| 07/29/2004 | DE10209774A1 Composites und Compositemembranen Composites and Composite Membranes |
| 07/28/2004 | EP1440727A1 Membrane flux enhancement |
| 07/28/2004 | EP1322407A4 Reverse osmosis membrane and process for making same |
| 07/28/2004 | EP1057521B1 Membranes of (per)fluorinated amorphous polymers |
| 07/28/2004 | EP0964737B1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 07/28/2004 | CN1159092C Prepn precess of composite asymmetrical affinity polysulfone-hydroxyethyl cellulose ultrafiltering film |
| 07/27/2004 | US6767663 Oxygen separation through hydroxide-conductive membrane |
| 07/27/2004 | US6767466 Containing a main filter for blocking the leukocytes and a post-filter for preventing leakage of the leukocytes having a higher median pore size than main filter and it is placed downstream of main filter |
| 07/27/2004 | US6767384 Isomorphously substituted molecular sieve membranes |
| 07/22/2004 | WO2004060657A2 Acoustic web |
| 07/22/2004 | WO2004060531A1 Lyotropic liquid crystal nanofiltration membranes |
| 07/22/2004 | WO2004011286A3 Oxygen-enriched air supplying apparatus |
| 07/22/2004 | US20040140264 Production of potable liquids |
| 07/22/2004 | US20040140259 Membrane flux enhancement |
| 07/22/2004 | CA2512153A1 Acoustic web |
| 07/21/2004 | EP1439212A1 Hydrophilic material and process for producing the same |
| 07/21/2004 | EP1285468A4 Electrochemical device using multicomponent composite membrane film |
| 07/21/2004 | EP1163044B1 Negatively charged membrane |
| 07/21/2004 | CN1158135C Preparation method of hollow fibre supermicro filtration membrane |
| 07/20/2004 | US6765028 Porous fibers from natural/synthetic polymer blends |
| 07/20/2004 | CA2107683C Immobilization of chemical species in crosslinked matrices |
| 07/17/2004 | CA2437539A1 Gas separation membranes |
| 07/15/2004 | WO2004058385A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/15/2004 | US20040137209 Porous sintered composite materials |
| 07/15/2004 | US20040135274 Polyvinylidene fluoride, or copolymer thereof; branching, three-dimensional network ; desolventizing, stretching |
| 07/15/2004 | US20040134347 Apparatus and method for separating gases |
| 07/15/2004 | CA2511116A1 Melt-spun polysulfone semipermeable membranes and methods for making the same |
| 07/14/2004 | EP1437172A1 Method for preparing ddr type zeolite film, ddr type zeolite film, and composite ddr type zeolite film, and method for preparation thereof |
| 07/14/2004 | EP1436072A1 Novel inorganic nanofiltration membranes |
| 07/14/2004 | EP1436071A1 Porous polyethylene membrane |
| 07/14/2004 | CN1511625A Inorganic nano porous film and its forming method |
| 07/14/2004 | CN1157251C Biological ester/high molecular compound film for enriching toxic organic pollutant |
| 07/14/2004 | CN1157250C Method for making polyacrylic acid/polysulphone reverse osmosis compound membrane |
| 07/13/2004 | US6761929 Gas pressure on one side of porous substrate controls penetration depth of the deposited metal (palladium, silver, platinum, copper, gold, nickel) from electroless plating bath; hydrogen purification; permselectivity |
| 07/13/2004 | US6761755 Composite membrane and production method therefor |
| 07/08/2004 | WO2004057422A1 Process for producing photoresist composition, filter, coater and photoresist composition |
| 07/08/2004 | WO2004056460A1 Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood |
| 07/08/2004 | WO2004056459A1 Permselective membrane and process for manufacturing thereof |
| 07/08/2004 | WO2004024302A8 Electrolytic eluent generator and method of use |
| 07/08/2004 | US20040131910 For use in fuel cells, membranes |
| 07/08/2004 | US20040131909 Novel membranes having improved mechanical properties, for use in fuel cells |
| 07/08/2004 | US20040131836 Acoustic web |
| 07/08/2004 | US20040129135 Dense, layered membranes for hydrogen separation |
| 07/08/2004 | DE10258175A1 Block copolymers for use as solid polymer electrolytes e.g. in fuel cells have a segment with acidic substituents for proton transport and an acid-free segment giving mechanical integrity |
| 07/07/2004 | EP1435261A1 Hollow fiber film and method for production thereof |
| 07/07/2004 | EP1434647A2 Composite nanofiltratrion and reverse osmosis membranes and method for producing the same |
| 07/07/2004 | CN1510181A Built-up membrane additive wet spinning |
| 07/07/2004 | CN1510180A Method for producing hollow fibrous membrane by melt spinning |
| 07/07/2004 | CN1509805A Preparing method for nanometer multi-microporous ceramic composite membrane for water treatment |
| 07/07/2004 | CN1509804A Method for preparing composite hollow fibre membrane |
| 07/07/2004 | CN1509803A Method for producing spiral diaphragm pieces |
| 07/07/2004 | CN1509802A Method for producing spiral diaphragm pieces |
| 07/07/2004 | CN1156335C Positively charged membrane and its preparing process |
| 07/01/2004 | WO2004054625A2 Porous sintered composite materials |
| 07/01/2004 | WO2004039870A3 Size for glass fibers and use thereof in cation exchange membranes |
| 07/01/2004 | US20040126638 organic/inorganic composite membrane having inorganic proton conductors and an organic base polymer. |
| 07/01/2004 | US20040124135 Unsupported multizone microporous membrane |
| 07/01/2004 | US20040124134 Process for producing spiral membrane element |
| 07/01/2004 | US20040124133 Process for producing spiral membrane element |
| 07/01/2004 | US20040124092 Inorganic nanoporous membranes and methods to form same |
| 07/01/2004 | DE10258944A1 Device for removing bacterial toxins from blood or plasma, useful for treating sepsis, also for analysis and diagnosis, includes hollow fiber material for selective binding of the toxins |
| 06/30/2004 | EP1433521A1 Gas separating unit and method for manufacturing the same |
| 06/30/2004 | EP1432955A2 A thermoplastic heat exchanger and method of making the same |
| 06/30/2004 | EP1194216A4 Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes |
| 06/30/2004 | EP0946250B1 Hydrophilic polymeric phase inversion membrane |
| 06/30/2004 | CN1507942A Method for preparing high-content lipid/polymeric composite membrane and preparing process thereof |
| 06/30/2004 | CN1507939A Porous multi-layer hollow fiber, filtering moudle and method for producing porous multi-layer hollow fiber |
| 06/29/2004 | US6756078 Complexing protein, lipid; immobilization |
| 06/29/2004 | US6755900 Crosslinked and crosslinkable hollow fiber mixed matrix membrane and method of making same |
| 06/29/2004 | US6755898 Oxygen-enriched air supplying apparatus |
| 06/24/2004 | WO2004033100A3 Device for precise chemical delivery and solution preparation |
| 06/24/2004 | US20040120889 Hydrogen generator |
| 06/24/2004 | US20040118772 Porous multilayered hollow fiber and filtration module, and method of manufacturing porous multilayered hollow fiber |
| 06/24/2004 | US20040118770 Multiple layer membrane and method for fabrication thereof |
| 06/24/2004 | US20040118766 Graded particle-size retention filter medium for cell-type filter unit |
| 06/23/2004 | EP1429862A1 Mixed matrix membranes incorporating chabazite type molecular sieves |
| 06/22/2004 | US6753282 Pre-sintering titania powder; reduction of particle sizes to screening refuse |
| 06/17/2004 | WO2004051231A1 Separator and separating method |
| 06/17/2004 | WO2004051230A1 Fine particle handling unit, chip and sensor mounted with same, and methods for separating, capturing and sensing protein |
| 06/17/2004 | WO2004050986A1 A process for obtaining a cellulosic wet sheet and a membrane the equipment used to obtain the membrane and the membrane obtained. |
| 06/17/2004 | WO2004050222A1 Membrane and use thereof |
| 06/17/2004 | US20040116275 Porous functional layer made of zeolitic particles is provided; liquid is applied to functional layer containing precursors suitable for forming zeolite; heating and pressurization in order to form a closed a molecular screening layer |
| 06/17/2004 | US20040112865 Method to build a microfilter |
| 06/16/2004 | EP1428572A1 Zeolite laminated composite and zeolite membrane reactor using the same |
| 06/16/2004 | EP1428568A1 Laminated zeolite composite and method for preparation thereof |
| 06/16/2004 | EP1427532A1 Multi-layer coated porous materials and methods of making the same |
| 06/16/2004 | EP1427517A2 Proton-conducting membrane and the use of the same |
| 06/16/2004 | EP1427516A2 Filtration membrane |
| 06/16/2004 | EP1427512A1 Gas separation membrane with organosilicon-treated molecular sieves |
| 06/16/2004 | EP1427511A1 Metal solution-diffusion membrane and method for producing the same |
| 06/16/2004 | EP1206671B1 Drying and/or dry process preservation method using semi-permeable membrane |
| 06/16/2004 | EP1163045B1 Positively charged membrane |
| 06/16/2004 | CN1505700A Charge barrier flow-through capacitor |
| 06/16/2004 | CN1505541A Asymmetric porous films and process for producing the same |
| 06/16/2004 | CN1504257A Preparation method of high-flux porous membrane |
| 06/15/2004 | US6749755 Drainage through fluoropolymer membrane |
| 06/10/2004 | WO2004048450A1 Hydrophobic, substance-permeable composite material having self-cleaning properties |
| 06/10/2004 | WO2004048446A2 Modification of drawn films |
| 06/10/2004 | WO2004048064A1 Microprotrusion structure and process for producing the same |
| 06/10/2004 | WO2004047965A1 Fold protection for spiral filtration modules utilizing uv cured adhesive and method of providing same |