| 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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| 04/29/2009 | CN101421021A Knitted support for tubular membranes |
| 04/29/2009 | CN101417214A Membrane, water treatment system, and associated method |
| 04/29/2009 | CN101417213A Hollow fiber porous film melt-spinning preparation method |
| 04/29/2009 | CN101417212A Hollow fiber porous film solvent spinning preparation method |
| 04/29/2009 | CN100483793C Ceramic, flexible membrane providing improved adhesion to the support fleece |
| 04/29/2009 | CN100482328C Dipolar membranes of middle boundary layer of complexation metal catalysis, and preparation method |
| 04/29/2009 | CN100482327C Organic and inorganic composite hydrophobic film and its preparing process |
| 04/28/2009 | US7524420 new type of hemofiltration referred to as very large pore hemofiltration; sustained removal of albumin and similar large receptor molecules and carrier molecules for the purpose of removing both bound and unbound pathologic molecules or toxins |
| 04/23/2009 | WO2009051168A1 Hollow fiber membrane for treating liquids |
| 04/23/2009 | WO2009050850A1 Separation membrane comprising polyethersulfone, process for production thereof, and stock solution for production of film |
| 04/23/2009 | WO2009049981A1 Hollow carbon fibres and method for the production thereof |
| 04/23/2009 | WO2008041969A3 Gas-selective permeable membrane system, and method of its production |
| 04/23/2009 | WO2008041968A3 Pd membrane having improved h2-permeance, and method of making |
| 04/22/2009 | EP2050779A1 Solution casting process |
| 04/22/2009 | CN100480281C Fluoropolymer dispersion and process for producing the same |
| 04/21/2009 | US7521141 Organic solution of polyphosphonic acid tetravalent metal salt; easy insertion of particles into pores; high catalytic activity; heat resistance |
| 04/21/2009 | US7520992 Method and system for colloid exchange therapy |
| 04/21/2009 | US7520988 Cross-flow filter cassette |
| 04/21/2009 | US7520921 Gas-removing devices and air supply systems having the gas-removing devices |
| 04/16/2009 | WO2009048743A1 Microporous membranes having a relatively large average pore size and methods of making the same |
| 04/16/2009 | WO2009048114A1 Gas purification method |
| 04/16/2009 | WO2009047970A1 Fine bubble diffusing pipe, fine bubble diffusing device, and dipped type film separating device |
| 04/16/2009 | WO2009047154A1 Antimicrobial membranes |
| 04/16/2009 | WO2006073474A3 Composite solid polymer electrolyte membranes |
| 04/16/2009 | CA2701832A1 Microporous membranes having a relatively large average pore size and methods of making the same |
| 04/16/2009 | CA2696019A1 Fine bubble diffusing tube, fine bubble diffusing device and submerged membrane separation apparatus |
| 04/15/2009 | EP2047899A1 Organic-inorganic membranes |
| 04/15/2009 | EP2047898A1 Fluororesin polymer separation membrane and process for producing the same |
| 04/15/2009 | CN201220153Y Enhancement type hollow fiber compound film and preparing device thereof |
| 04/15/2009 | CN201220152Y Enhanced type hollow fiber film thread |
| 04/15/2009 | CN101410169A Rejection improver for nanofiltration membranes or reverse osmosis membranes, method for improving rejection, nanofiltration membranes or reverse osmosis membranes, and method and equipment for water |
| 04/15/2009 | CN101406813A Method for producing polysulfones hybrid membrane with separated pore passages formed by LUM particles |
| 04/15/2009 | CN101406812A Method for producing thermoplastic polyurethane elastomer/polyvinylidene fluoride blended hollow fiber film |
| 04/15/2009 | CN101406811A Blended fiberglass overlay film filter material |
| 04/15/2009 | CN101406810A Thermally induced phase separation method for preparing enhancement type composite hollow fiber membrane |
| 04/15/2009 | CN100478057C Method for preparing composite ceramic super-filtering film on porous stainless steel substrate |
| 04/15/2009 | CN100478056C Oxidation resistant compound reverse osmosis membrane |
| 04/14/2009 | US7517603 Stressed thin-film membrane islands |
| 04/14/2009 | US7517421 Method for the continuous manufacture of tubular membranes |
| 04/14/2009 | CA2536148C Gas separating body and method for producing same |
| 04/14/2009 | CA2343816C Flexible membranes |
| 04/09/2009 | WO2009044588A1 Novel gas separation membrane, method for producing the same, and gas processing method using the same |
| 04/09/2009 | WO2009044227A1 Microporous polymer membrane |
| 04/09/2009 | WO2009044053A2 Hollow, particularly multiple-membrane, fibres, their method of preparation by spinning, and device for implementing said method |
| 04/09/2009 | DE102008034658A1 Verfahren zur Herstellung von Faser-auf-Ende-Materialien A process for the production of fiber-to-end materials |
| 04/09/2009 | DE102007049203A1 Membrane, useful e.g. to separate oxygen and nitrogen, and separate or enrich carbon dioxide, comprises particles embedded in a continuous matrix |
| 04/08/2009 | EP2043755A2 Graded external prefilter element for continuous-flow systems |
| 04/08/2009 | EP2005983A9 Hollow fiber membrane with excellent performance stability and blood purifier and method for producing hollow fiber membrane |
| 04/08/2009 | EP1299426B1 Improved microgels and films |
| 04/08/2009 | CN201216922Y Seven-aperture PVC ultra-filtration membrane |
| 04/08/2009 | CN101402023A Antimicrobial flat-plate separation film and method of producing the same |
| 04/08/2009 | CN101402022A Novel methods for producing type A molecular sieve film in current system |
| 04/08/2009 | CN100477102C Method of liquid feeding and apparatus therefor |
| 04/08/2009 | CN100475321C Porous membrane for water treatment and process for producing the same |
| 04/08/2009 | CN100475306C Filtering method for colloidal solution |
| 04/07/2009 | US7513935 Mixed matrix membrane with super water washed silica containing molecular sieves and methods for making and using the same |
| 04/07/2009 | US7513932 Planar ceramic membrane assembly and oxidation reactor system |
| 04/02/2009 | WO2009042264A1 Filter and associated method |
| 04/02/2009 | US20090087605 Composite Porous Materials and Methods of Making and Using the Same |
| 04/01/2009 | EP2040827A1 Use of a colloidal suspension of a cationic polymer to treat a support for medical use |
| 04/01/2009 | EP2040822A1 Oxygen separation membrane |
| 04/01/2009 | EP1919600B1 Porous membrane and recording medium, as well as process for preparing same |
| 04/01/2009 | EP1745523A4 Membranes and electrochemical cells incorporating such membranes |
| 04/01/2009 | CN201214052Y Hollow fiber membrane processor |
| 04/01/2009 | CN201214051Y Hollow fiber membrane oil swirling machine |
| 04/01/2009 | CN101400605A Process for producing ddr type zeolite membrane |
| 04/01/2009 | CN101400388A Hollow fiber membrane with excellent performance stability and blood purifier and method for producing hollow fiber membrane |
| 04/01/2009 | CN101396642A Antibiotic hollow fiber separation film and preparation method thereof |
| 04/01/2009 | CN101396641A Composite thermotropic phase separation film-making method |
| 03/31/2009 | US7510598 Gas separating body and method for producing same |
| 03/31/2009 | CA2472464C Decomposition device of organic waste and automatic cleaning system thereof |
| 03/31/2009 | CA2316742C Membrane for tangential filtration and manufacturing process thereof |
| 03/26/2009 | WO2009039467A1 Nanocomposite membranes and methods of making and using same |
| 03/26/2009 | WO2009038233A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2009038231A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2009038229A1 Microporous membranes and methods for making and using such membranes |
| 03/26/2009 | WO2008018181A9 Porous membrane of vinylidene fluoride resin and process for producing the same |
| 03/26/2009 | US20090078640 High Flux Fluid Separation Membranes Comprising a Cellulose or Cellulose Derivative Layer |
| 03/26/2009 | CA2700333A1 Nanocomposite membranes and methods of making and using same |
| 03/25/2009 | CN101394917A Porous diffusion type flat-film separating device, flat-film condensing device, regenerated cellulose porous film for porous diffusion, and non-destructive type flat-film inspecting method |
| 03/25/2009 | CN101391181A Method for preparing porous ceramic film support |
| 03/25/2009 | CN100471822C Method of forming a joint |
| 03/25/2009 | CN100471546C Bicontrol film layer inorganic film pipe and its preparation method |
| 03/24/2009 | US7507469 Substrate comprises sintered porous polymer material; first layer comprises molecules bound to substrate surface through covalent bounds or electrostatic interactions; second layer comprises molecules bound to first layer through covalent bounds or electrostatic interactions; for extraction, separation |
| 03/24/2009 | CA2222097C Membranes of polyurethane based materials including polyester polyols |
| 03/19/2009 | WO2009035415A1 Polymeric membranes incorporating nanotubes |
| 03/19/2009 | US20090075149 Solid acid electrolytes for electrochemical devices |
| 03/19/2009 | US20090071896 Membrane bags with seamless membrane substance, uses thereof and filtration units therewith |
| 03/17/2009 | US7504034 a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and poor solvent at a temp. above a phase separation temperature into a cooling bath at a temperature below the phase separation temperature to coagulate the polyvinylidene fluoride |
| 03/11/2009 | EP2033704A2 Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
| 03/11/2009 | EP1289626A4 Composite ceramic membrane oxygen separation method |
| 03/11/2009 | CN101384429A Polyolefin microporous film |
| 03/11/2009 | CN101384345A Membrane structure for gas separation |
| 03/11/2009 | CN101383404A Fluorine/hydrocarbon composite ion exchange film and preparation thereof |
| 03/11/2009 | CN101380550A Preparation method of polyvinylidene fluoride/polyethersulfone/cellulose derivative blended membrane |
| 03/11/2009 | CN101380549A Preparation method of blended fiber hollow fiber membrane using ion liquid |
| 03/11/2009 | CN101380548A Crystalline polymer microporous film, manufacturing method of the same, and filtration filter |
| 03/11/2009 | CN101380547A Novel nuclear pore membrane |
| 03/11/2009 | CN101380535A Multiple layer composite micropore filtration separation material and preparation method and use thereof |
| 03/11/2009 | CN100468852C Polymer electrolyte with aromatic sulfone crosslinking |