B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor

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)
11/2004
11/24/2004	EP1478451A2 Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof
11/24/2004	CN1549741A Gas separating equipment and producing method thereof
11/23/2004	US6822125 Selective removal of water vapor generated by dehydration and cetherification of methanol; catalysis
11/23/2004	US6821433 Passing through filter derived from kneaded, pressure molded degreased rice bran and thermosetting resin
11/23/2004	US6821430 Desalting; water permeability; separation; polyamide skin layer in contact with aqueous bromide solution
11/23/2004	US6821417 Comprises double stranded conductive polymer functioning as stationary phase of a chemical and/ or biological separation system; double stranded conductive polymer provides controllable interactions between polymer and analyte
11/18/2004	WO2004099299A2 Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof
11/18/2004	WO2004098751A1 Composite gas separation modules having high tamman temperature intermediate layers
11/18/2004	WO2004098750A1 A membrane apparatus and method of preparing a membrane and a method of producing hydrogen
11/18/2004	WO2004038823A3 High water permeability proton exchange membrane
11/18/2004	WO2004016341A3 Fluoropolymer membrane
11/18/2004	US20040229027 Laminated zeolite composite and method for production thereof
11/18/2004	US20040226886 Fluid separation membrane module
11/18/2004	DE10304322A1 Production of enclosed zeolite layers for use in e.g. catalysis or separation membranes, comprises first seed crystallization on carrier followed by further crystallization using different synthesis solution or gel
11/18/2004	CA2524369A1 Composite gas separation modules having high tamman temperature intermediate layers
11/17/2004	EP1477515A1 Cluster ion exchange membrane, and electrolyte membrane electrode connection body
11/17/2004	CN1546393A Technology for treating high concentration ammonia nitrogen waste water using membrane based absorption method
11/17/2004	CN1175923C Method for making polyelectrolyte membrane for osmotic vaporization
11/11/2004	WO2004096418A1 Hollow fiber ultrafilter membrane with poly(phthalazinone ether fulfone), poly(phthalazinone ether ketone) or poly(phthalazinone ether sulfone ketone) and preparation thereof
11/11/2004	WO2004096417A1 Hollow filamentous semipermeable membrane
11/11/2004	WO2004096415A1 Process for the separation of olefins from paraffins using membranes
11/11/2004	WO2004085034A3 Composite gas separations modules having intermediate metal layers
11/11/2004	US20040222169 Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof
11/11/2004	US20040222148 Preparation of porous poly(aryl ether) articles and use thereof
11/11/2004	US20040222146 Composite semipermeable membrane and process for producing the same
11/11/2004	DE202004008615U1 Mikroporöse Membran auf Cellulosebasis Microporous membrane based on cellulose
11/10/2004	EP1474839A2 Polymer electrolyte membranes for use in fuel cells
11/10/2004	EP1474222A1 Halar membranes
11/10/2004	EP1474221A1 Pre-metered, unsupported multilayer microporous membrane
11/10/2004	CN2654199Y Toxic harmful gas purifier
11/10/2004	CN1545433A Multilayer microporous membrane
11/10/2004	CN1544132A Disposable membrane module with low-dead volume
11/10/2004	CN1174791C Method for removing removed substance from fluid
11/09/2004	US6814865 For desalination of electrolyte solutions; 4-vinyl pyridine polymerized on a woven pvc support and crosslinked with epichlorohydrin and aniline
11/04/2004	WO2004094049A1 Hydrophilic membrane and process for making the same
11/04/2004	WO2004007060A3 Uv treated membranes
11/04/2004	WO2003007411A3 Method for producing a plasma-polymerized polymer electrolyte membrane and a polyazol membrane coated by plasma-polymerization
11/04/2004	US20040217060 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
11/04/2004	US20040217055 purified; fatty acids removed; efficiency, low cost
11/03/2004	EP1471991A2 Micro-fluidic anti-microbial filter
11/03/2004	EP0912628B1 Method for producing cellulosic formed parts
11/03/2004	EP0888211B1 Highly porous polyvinylidene difluoride membranes
11/03/2004	EP0663235B1 Phase separated membrane
11/03/2004	CN1543481A Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell
11/03/2004	CN1543374A Hollow fiber membrane for purifying blood and method for preparation thereof
11/03/2004	CN1542053A Polysulfone porous microsphere and membrane and preparation method and use thereof
11/03/2004	CN1542034A Double helix DNA modified macromolecule porous microsphere and membrane and preparation method and use thereof
11/03/2004	CN1173770C Composite semipermeable membrane, process for producing the same, and method of purifying water with the same
11/02/2004	US6811696 Flat sheet membrane cast from dope comprising solvent and hexafluoropropylene-tetrafluoroethylene-vinylidene fluoride terpolymer; support of reticulated network of flow channels
11/02/2004	CA2141603C Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/2004
10/28/2004	WO2004092257A1 Porous film of vinylidene fluoride resin and method for producing same
10/28/2004	WO2004092076A1 Microporous filter media with intrinsic safety feature
10/28/2004	WO2004091756A1 Ceramics honeycomb filter and method of manufacturing the same
10/28/2004	WO2004091747A2 Ultralyophobic membrane
10/28/2004	US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin
10/28/2004	US20040213985 Preparing a precursor film by injection of a polymer, which is used for a support layer, into an extruder; annealing the precursor film; coating with polymer solution; drying; low temperature-stretching; high temperature-stretching; heat-setting
10/28/2004	US20040213909 Coating substrate; activation; crosslinking
10/28/2004	US20040211319 Facilitated transport membranes comprising a porous support and a solid polymer electrolyte consisting of a transition metal salt and a polymer having phthalic structure
10/28/2004	CA2752109A1 Microporous filter media with intrinsic safety feature
10/28/2004	CA2522227A1 Porous film of vinylidene fluoride resin and method for producing same
10/27/2004	EP1470854A1 Epoxide-crosslinked, charged cellulosic membrane
10/27/2004	EP1469935A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
10/27/2004	EP1469934A2 Spiraled surface hollow fiber membranes
10/27/2004	EP1469929A2 Convoluted surface hollow fiber membranes
10/27/2004	EP1272259B1 Method of forming hydrogen-selective metal membrane modules
10/27/2004	CN1539548A Spiral wound separation mebrane element
10/27/2004	CN1172741C Process for preparing phenolic resin hollow fibre film for auxiliary respirator
10/26/2004	US6808375 Expanded porous thermoplastic polymer membranes and device for the production thereof
10/21/2004	WO2004071960A3 Composite materials for fluid treatment
10/21/2004	WO2004064986B1 An improved process for the preparation of porous membrane
10/21/2004	WO2004048446A3 Modification of drawn films
10/21/2004	WO2004009611A3 Multiple layer membrane and method for fabrication thereof
10/21/2004	WO2003064015A3 Polymer blends and methods of separation using the same
10/21/2004	WO1995013858A9 Hydrophilic compositions with increased thermal and solvent resistance
10/21/2004	US20040206694 Epoxide-crosslinked, charged cellulosic membrane
10/21/2004	US20040206692 Hollow fiber membrane for purifying blood
10/20/2004	EP1468724A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/20/2004	EP1468719A1 Composite membrane for the separation of hydrocarbons comprising a transition metal salt-polymer mixture separation layer
10/20/2004	EP1468125A2 Method for the generation of pores or channels in a body made from a metallic material and metallic body made by said method
10/20/2004	CN1538870A Use of membranes to separate organic liquids having different polarities
10/20/2004	CN1171665C Fixed carrier composite membrane preparation for acid gases separation
10/19/2004	US6805731 Hollow fiber membrane contactor
10/19/2004	US6805730 Convoluted surface hollow fiber membranes
10/19/2004	CA2379440C Osmotic distillation process
10/15/2004	CA2464541A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/14/2004	WO2004087294A1 Base for honeycomb filter, method for producing same and honeycomb filter
10/14/2004	WO2003095079A3 Filter membrane
10/14/2004	US20040203149 Composite materials comprising supported porous gels
10/14/2004	US20040202870 High alkene hydrocarbons permeance and selectivity; sustains carrier activity under longterm dry operating conditions
10/14/2004	US20040201119 Thin porous layer with open porosity and a method for production thereof
10/14/2004	US20040200771 Laminated edge filter structure and method of making
10/14/2004	US20040200355 Facilitated transport membranes comprising a porous supported membrane and a transition metal salt-polymer mixture membrane containing transition metal salt and polymer capable of physically dispersing the salt
10/13/2004	EP1466694A2 Method of forming a joint
10/13/2004	EP1466693A2 Method of joining ITM materials using a partially- or fully-transient liquid phase
10/13/2004	EP1466660A1 Facilitated transport membranes
10/13/2004	EP1465836A2 Structures containing carbon nanotubes and a porous support, methods of making the same, and related uses
10/13/2004	CN1171087C Method of defining an eleectrode area
10/13/2004	CN1170620C Polysulfone copolymer membranes and preparing process thereof
10/13/2004	CN1170615C Composite materials for membrane reators
10/12/2004	US6803237 For accelerated fractionation and extraction of analytes from solid samples which is compatible with microwave heating sources

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