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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08/21/2002 | EP1233036A1 Polymethaphenylene isophthalamide based polymer porous film, method for producing the same and separator for cell |
08/21/2002 | CN1364652A Method for producing micro process film with selected gas selective function spot and film produced by said method |
08/20/2002 | US6437011 Porous substrate impregnated with alpha,beta,beta-trifluorostyrene homo- and copolymers, sulfonated or containing p-sulfonylfluoride-alpha,beta,beta-trifluorostyrene comonomer; membrane electrolytes |
08/20/2002 | US6436481 Method of producing a reactive coating by after-glow plasma polymerization |
08/20/2002 | US6436319 Melt spinning with diluting agent to produce phase-separated undrawn hollow fiber; detecting tensile strength during winding and unwinding, adjusting rotation speeds; improved water permeability, molecular weight cut-off, porosity control |
08/20/2002 | US6436290 Hollow hydrophobic fibers used for recovering oils from water and soils; fuel leakages; pollution control |
08/20/2002 | US6436264 Apparatus for electrically producing deionized water |
08/20/2002 | US6436213 Enhanced electro-deposition device and method |
08/20/2002 | CA2290593C Non-porous gas permeable membrane |
08/15/2002 | WO2002062449A2 Oleophobic membrane materials by oligomer polymerization for filter venting applications |
08/15/2002 | WO2002044091A3 A method for the purification of water by means of filtration using a micro or ultra filtration membrane |
08/15/2002 | WO2002022712A3 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof |
08/15/2002 | CA2434651A1 Oleophobic membrane materials by oligomer polymerization for filter venting applications |
08/14/2002 | EP1230971A1 Composite polyamide reverse osmosis membrane and method for producing the same |
08/14/2002 | EP1230970A1 Heat-resistant microporous film |
08/14/2002 | EP1229998A1 Osmotic distillation process |
08/14/2002 | EP1015098B1 Cast membrane structures for sample preparation |
08/14/2002 | CN1363414A Process for preparing composite membrane to separate CO2 gas |
08/13/2002 | US6432629 Self assembly of sensor membranes |
08/13/2002 | US6432309 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof |
08/13/2002 | CA2254374C Process for reducing carbon production in solid electrolyte ionic conductor systems |
08/08/2002 | WO2002061016A1 Removal of sulfur from hydrocarbon through a selective membrane |
08/08/2002 | WO2000074824A9 One step removal of unwanted molecules from circulating blood |
08/08/2002 | US20020106495 Ceramic membrane structure and oxygen separation method |
08/08/2002 | US20020104439 Gas separation device |
08/08/2002 | US20020104435 Fluoropolymeric separation membrane having a fluorinated cyclic structure with a ring containing at least 5 member, e.g., a tetrafluoroethylene copolymer with an alkenyl vinyl ether or perfluoro-4-methoxydioxole. |
08/08/2002 | DE10058258A1 Poröse Membranen Porous membranes |
08/07/2002 | EP1229384A1 Method of recycling wash-water resulting from film treatment |
08/07/2002 | CN1362892A High crystalline polypropylene microporous membrane, multi-component microporous membrane and methods for preparing same |
08/06/2002 | US6428709 Supplying fluid including removables to first filter, depositing removables on filter surface to form second filter, filtering removables by supplying fluid to filter, applying external force to constituents of second filter to refresh it |
08/06/2002 | CA2301012C Bacteriostatic filter cartridge |
08/01/2002 | WO2002058830A1 Oxide ion conductive ceramic membrane stacked microstructures for high-pressure oxygen production |
08/01/2002 | WO2002058829A1 Oxide ion conductive ceramic membrane stacked microstructures; use for separating oxygen from air |
08/01/2002 | WO2002058828A1 Asymmetric hollow fiber membranes |
08/01/2002 | WO2002043842A3 Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof |
08/01/2002 | WO2002004082A3 Method for modifying membrane rejection characteristics |
08/01/2002 | US20020102674 Porous structure for use in generation of control release membranes |
08/01/2002 | US20020102465 Solid gel membrane separator in electrochemical cells |
08/01/2002 | DE10201886A1 Polymerelektrolytmembran und Festpolymerelektrolytbrennstoffzelle, welche diese verwendet Polymer electrolyte membrane and solid polymer electrolyte fuel cell, which they used |
08/01/2002 | CA2435636A1 Oxide ion conductive ceramic membrane stacked microstructures for high-pressure oxygen production |
08/01/2002 | CA2435092A1 Oxide ion conductive ceramic membrane stacked microstructures; use for separating oxygen from air |
08/01/2002 | CA2434940A1 Asymmetric hollow fiber membranes |
07/31/2002 | EP1225965A1 Chemically active filter material |
07/31/2002 | CN2502776Y Filter membrane |
07/31/2002 | CN1361712A Polymer membrane for the separation of gas mixture |
07/31/2002 | CN1360966A Prepn of hollow alumina fiber film |
07/31/2002 | CN1088543C Shutdown, trilayer battery separator |
07/30/2002 | US6425936 Porous gas permeable material for gas separation |
07/25/2002 | WO2002058205A2 Proton-selective conducting membranes |
07/25/2002 | US20020096467 Chemical process system with multi-functional barrier filter |
07/24/2002 | EP1224456A1 Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus |
07/24/2002 | EP0729374B1 Phase separation apparatus |
07/24/2002 | CN1359744A Separation nano membrane of hollow fibres and its preparing process |
07/24/2002 | CN1359743A Process for preparing modified polyacrylonitrile fibre membrane |
07/23/2002 | US6423232 Extra-corporal circulation, of a polyacrylonitrile bearind fixed negative charges based semi-permeable membrane |
07/18/2002 | US20020094466 Composites and composite membranes |
07/18/2002 | US20020093008 Heat-resistant polymer and nanosize oxide with a surface area > 20 m2/g and mean diameter < 100 nm containing intercalated water and having a high concentration of acidic/basic surface hydroxys |
07/18/2002 | US20020092809 Depositing spherical polymeric particles on the surface of a porous flat sheet or hollow fiber substrate and stabilizing by physical or chemical processes |
07/17/2002 | EP1223632A2 Proton-conductive membrane, method for producting the same, and fuel cell using the same |
07/11/2002 | WO2002053210A2 Apparatus and method for in-vivo plasmapheresis using periodic backflush |
07/11/2002 | US20020091225 Polyether sulfone with units of 4,4'-dihydroxybiphenyl, bisphenol s, and bis(4-hydroxy-3-sulfonylphenyl)sulfone made by reacting the sulfonated monomer; proton exchange membranes; thermal stability |
07/11/2002 | US20020091169 Foamed porous membranes usable for the filtration of fluids in the micro- and macrofiltration range |
07/11/2002 | US20020088748 pH dependent membrane diffusion |
07/11/2002 | DE10159169A1 Trägermembran für die Wasserstoffabscheidung Support membrane for hydrogen separation |
07/10/2002 | EP1220868A1 Extracorporeal endotoxin removal method |
07/10/2002 | CN1358212A Composites and composite membranes |
07/09/2002 | US6416611 Method of making a component consisting of a support and a membrane welded thereto, in particular a plug for a straw, and membrane-support |
07/09/2002 | US6416562 Porous polytetrafluoroethylene film |
07/04/2002 | WO2002051528A1 Cross flow filtration materials and cartridges |
07/04/2002 | WO2002051254A1 Method of sterilizing antibody-containing milk and products containing sterilized antibody-containing milk |
07/04/2002 | WO2001083091A3 Sulfonated aryl sulfonate matrices and method of production |
07/04/2002 | WO2001036321A9 Apparatus and method for forming a membrane with nanometer scale pores |
07/04/2002 | US20020087109 Apparatus and method for in-vivo plasmapheresis using periodic backflush |
07/03/2002 | EP1218093A1 Virus removal devices and membrane |
07/03/2002 | CN1356924A Hollow fiber membrane and braided tubular support therefor |
07/02/2002 | US6413621 Polymeric membranes and other polymer articles having desired surface characteristics and method for their preparation |
07/02/2002 | US6413425 Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same |
07/02/2002 | US6413070 System for manufacturing reinforced three-zone microporous membrane |
06/27/2002 | US20020082699 Devices that change size/shape via osmotic pressure |
06/27/2002 | US20020078827 Supported membrane for hydrogen separation |
06/26/2002 | EP1216096A1 Filtration and purification system for ph neutral solutions |
06/26/2002 | EP1216089A2 Patterned porous structures |
06/25/2002 | US6410084 Wetting polytetrafluoroethylene with oleophobic acrylic polymer with perfluoroalkyl side chains; thermally coalescing on surfaces of nodes and fibrils without completely blocking pores; permeable; nonoil absorbing; textiles; fabrics |
06/25/2002 | US6409921 Oxygenating blood; sponge-like, open-pored, microporous structure; dissolving in selected solvents, shaping, cooling |
06/20/2002 | WO2002047802A1 Cation-conducting or proton-conducting ceramic membrane infiltrated with an ionic liquid, method for the production thereof and use of the same |
06/20/2002 | WO2002047801A1 Cation-conducting or proton-conducting ceramic membrane based on a hydroxysilylic acid, method for the production thereof and use of the same |
06/20/2002 | WO2002022243A3 Membrane filter used in water treatment |
06/20/2002 | WO2002005934A3 Membrane packets, methods for making membrane packets, and membrane packet assemblies |
06/20/2002 | WO2001089673A3 Process of forming multilayered structures |
06/20/2002 | DE10061959A1 Kationen-/protonenleitende, mit einer ionischen Flüssigkeit infiltrierte keramische Membran, Verfahren zu deren Herstellung und die Verwendung der Membran Cation / proton-conductive, with an ionic liquid infiltrated ceramic membrane, process for their preparation and the use of the membrane |
06/20/2002 | DE10061920A1 Kationen-/protonenleitende keramische Membran auf Basis einer Hydroxysilylsäure, Verfahren zu deren Herstellung und die Verwendung der Membran Cation / proton-conductive ceramic membrane based on a Hydroxysilylsäure, processes for their preparation and the use of the membrane |
06/20/2002 | DE10057621A1 Verfahren zur Herstellung von Membranen aus Polymeren Process for the preparation of membranes made from polymers |
06/20/2002 | CA2431057A1 Cation/proton-conducting ceramic membrane infiltrated with an ionic liquid, and production and use of said membrane |
06/20/2002 | CA2431055A1 Cation/proton-conducting ceramic membrane based on a hydroxysilyl acid, its production and use |
06/19/2002 | EP1214748A2 Methods of preparing electrochemical cells |
06/19/2002 | EP1214141A2 Three dimensional patterned porous structures |
06/19/2002 | CN1354684A Membrane pre-treatment process |
06/18/2002 | US6406906 Accumulation of microorganisms from gases |
06/18/2002 | US6406626 Microporous support membrane and layer from condensation, crosslinking polyamides and ultra thin membrane layer |
06/18/2002 | US6406622 Apparatus for filtering a fluid |