Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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)
06/2003
06/04/2003EP0999888B1 Filtering device
06/04/2003EP0954399A4 Multi-channel structures and processes for making such structures
06/04/2003CN1421267A Water-purifying filter film
06/04/2003CN1110355C Method for producing polyamide reverse osmosis composite film
06/04/2003CN1110354C Polyamide reverse osmosis composite film and its producing method
06/04/2003CN1110349C Composite materials for membrane reactors
06/03/2003US6572683 Substance separation structure and method of preparing the same
06/03/2003US6572680 Membranes retain selectivity for carbon dioxide even in the presence of streams rich in or saturated with c3+ hydrocarbon vapors
06/03/2003US6572679 Gas separation using organic-vapor-resistant membranes in conjunction with organic-vapor-selective membranes
05/2003
05/29/2003US20030100617 A colloid comprises a sulfone polymer and can be used as a replacement for activated carbon or charcoal in water purification and can be reused/regeneration
05/29/2003US20030100019 Supported membrane, preparation and uses
05/29/2003US20030099872 For use in electrochemical devices as, for example, aluminum/air, zinc/air, Zn/MnO2, Ni/Cd and hydrogen fuel cells; prevents the solution phase from diffusing into the device
05/29/2003US20030098518 Such as hollow fibers with metal internal coating, by forming a suspension of a first material and an inorganic powder, forming template fibers by electrostatic spinning, coating with another material and selectively removing first material
05/29/2003US20030098275 Hollow fiber membrane and braided tubular support therefor
05/29/2003US20030098274 Silicone-coated organic solvent resistant polyamide composite nanofiltration membrane, and method for preparing the same
05/29/2003US20030098272 Package assembly for piperazine-based membranes
05/29/2003US20030098121 Patterned porous structures
05/28/2003EP1314026A2 Chromatography and other adsorptions using modified carbon adsorbents
05/28/2003EP1272259A4 Hydrogen-selective metal membrane modules and method of forming the same
05/28/2003CN1420801A Cross-flow filtration unit
05/27/2003US6569341 Volatile liquid component contacting one side of nonporous, gas permeable membrane to strip solution; resists penetration and wetting by oily components in pulpy fruit juices
05/27/2003CA2038381C Gas separating asymmetric membrane
05/22/2003WO2003042127A1 Method for generation of a coating on a hollow fibre
05/22/2003US20030096424 Sintered polymer membrane for analyte detection device
05/22/2003US20030094409 Discharging polyvinylidene fluoride resin and a poor solvent at above phase separation temperature into a cooling bath at below phase separation temperature to coagulate the resin.
05/21/2003EP1311333A1 Filter cartridges with pleated filter media
05/21/2003EP1020218B1 Composite reverse osmosis membrane and process for preparing the same
05/21/2003CN1108853C Cellulosic ultrafiltration membrane
05/21/2003CN1108851C Gas filtering passage with selectively acting penetration surface and process for producing penetration surface
05/20/2003US6565872 Polymeric system for drug delivery and solute separation
05/20/2003US6565782 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
05/20/2003US6565748 Addition-condensation hydrophilic polymer
05/20/2003US6565631 High carbon content filamentary membrane and method of making the same
05/15/2003WO2003040444A1 Manufacture of polyimide hollow fibres
05/15/2003WO2003039728A2 Mixed matrix membrane for separation of gases
05/15/2003WO2003039721A1 Package assembly for piperazine-based membranes
05/15/2003US20030089660 Asymmetric porous polytetrafluoroethylene membrane and process for preparing the same
05/15/2003US20030089647 Filtration device
05/15/2003US20030089228 Blending the several mixture together comprising polyethylene glycol, potassium carbonate, silicone rubber, casting onto a porous support and drying, curing; removing oxygen from a mixture containing nitrogen or combustible gases
05/15/2003US20030089227 Oxygen and carbon dioxide or helium from nitrogen or methane
05/14/2003EP1310291A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter
05/14/2003EP1310005A1 Multi-component composite film method for preparing the same
05/14/2003EP1309771A1 Method for secondary oil recovery
05/14/2003EP1309391A1 Water separation from solvent
05/14/2003CN1418263A Ion conduction ceramic membrane and surface treatment
05/14/2003CN1416944A Prepn precess of composite asymmetrical affinity polysulfone-hydroxyethyl cellulose ultrafiltering film
05/14/2003CN1416943A Prepn of fixing-carrier composite film for separating acid gas
05/14/2003CN1416935A Filter
05/14/2003CN1108181C Blood filter unit
05/13/2003US6562266 Composite membrane and method for making the same
05/13/2003US6562110 Carbon molecular sieves and methods for making the same
05/13/2003CA2176724C Phase separation apparatus
05/07/2003EP1307406A1 Device and method for electrodialysis
05/07/2003EP1307280A1 Unsupported multizone microporous membrane
05/07/2003EP1250181A4 Chromatographic and electrophoretic separation of chemicals using electrically conductive polymers
05/07/2003EP1202857A4 Polymeric membranes functionalized with polyhydroxypyridinone ligands
05/07/2003EP1051236B1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof
05/07/2003CN1415407A Method for preparing ultra filtration membrane in hollow fiber made from PVC with high flux
05/07/2003CN1415405A Method for preparing charged micoporous film of comprund carboxymethyl chitosan
05/07/2003CN1107532C Process for preparing compound polyelectrolyte (chitosan/sodium polyphosphate) membrane
05/07/2003CN1107531C Porous ceramic tube membrane of carried molecular sieve and its prepn. method
05/06/2003US6559192 Semipermeable porous membranes of semi-crystalline fluoropolymers
05/06/2003US6558546 Separation membranes
05/06/2003US6558537 Portable hydration system
05/06/2003US6558455 Porous gas permeable material for gas separation
05/02/2003EP1306121A1 Modified hollow-fiber membrane
05/01/2003WO2003035934A1 Process and apparatus for recovery of peroxide containing pickling solutions
05/01/2003WO2003035233A1 Separating device, analysis system, separation method and method for manufacture of separating device
05/01/2003WO2003035232A1 Porous polyethylene membrane
05/01/2003WO2003035230A1 Gas separator fixing structure and gas separating device using the same
05/01/2003WO2003022751B1 Method of multi-stage reverse osmosis treatment
05/01/2003US20030080057 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
05/01/2003US20030080049 Permeability; for separating pure molecules from mixtures
05/01/2003US20030080042 Adjustable nanopore, nanotome, and nanotweezer
05/01/2003US20030080041 Membrane module
05/01/2003CA2465099A1 Separation device, analysis system, separation method, and method of manufacturing the separation device
05/01/2003CA2464328A1 Porous polyethylene membrane
04/2003
04/30/2003CN1414891A Thin porous layer with open porosity and method for production thereof
04/30/2003CN1413761A Preparation method of affinity polysulfone-chitosan compound asymmetrical ultrafiltration film
04/30/2003CN1413760A Preparation method of nylon-shell glycan compound film for affinity microfilter
04/29/2003CA2221813C Substituted trifluorostyrene compositions
04/24/2003WO2003034529A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability
04/24/2003WO2003033576A1 Solid polymer membrane for fuel cell prepared by in situ polymerization
04/24/2003WO2003033575A1 Polymer based permeable membrane for removal of ions
04/24/2003WO2003033053A1 Method of selectively eliminating virus and leukocytes, eliminating material and eliminating apparatus
04/24/2003US20030077435 Wetting substrate with terpolymer
04/24/2003US20030077393 Complexing protein, lipid; immobilization
04/24/2003US20030075044 Vibration/rotation from microwave energy alters molecular structure/polarity of membrane; pervaporation
04/24/2003CA2464351A1 Method for selectively removing virus and leukocytes, removing material and removing apparatus
04/24/2003CA2462814A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability
04/24/2003CA2459357A1 Solid polymer membrane for fuel cell prepared by in situ polymerization
04/23/2003EP1019238B1 Microporous membrane with a stratified pore structure created in situ and process
04/23/2003EP0868208B1 Affinity membrane system and method of using same
04/23/2003CA2359722A1 A compressed air dehumidifier and a dehumidification device and a modified system for these
04/22/2003US6551684 Substrate with interstitial gaps having polymeric membrane within the gaps that are thinner than the cross-sectional thickness of the substrate
04/22/2003US6551536 Reverse osmosis membrane having excellent anti-fouling property and method for manufacturing the same
04/22/2003US6551369 Ceramic flat membrane and method for producing the same
04/22/2003CA2393475C Hydrogen-selective metal membrane modules and method of forming the same
04/17/2003WO2003031696A1 Hollow fibre consisting of an inorganic material which can be sintered, and method for producing the same
04/17/2003WO2003031533A1 Hydrophilic material and process for producing the same
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