| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 03/23/1994 | EP0344312B1 Hydrophilic, porous polyvinylidene fluoride membrane and process for its preparation |
| 03/22/1994 | US5296144 Composite membrane of a hydrophilic asymmetric membrane coated with an organosiloxane block copolymer |
| 03/17/1994 | WO1994005406A1 Polysulphone membrane and process for producing the same |
| 03/17/1994 | WO1994005405A1 Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes |
| 03/17/1994 | WO1994005404A1 Gas separation membranes made from blends of aromatic polyimide, polyamide or polyamide-imide polymers |
| 03/16/1994 | EP0587071A1 Polyelectrolyte composite membrane |
| 03/16/1994 | EP0586745A1 Manufacturing a ceramic membrane |
| 03/15/1994 | US5294487 Composite layered material containing a silicone resin substrate |
| 03/15/1994 | US5294346 Composite microporous membranes |
| 03/15/1994 | US5294342 Polyurethanes |
| 03/15/1994 | US5294338 Porous polyethylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous polyethylene hollow fiber membranes |
| 03/15/1994 | CA1327768C Composite porous membranes from uv-curable resins, apparatus containing same and a process for making same |
| 03/10/1994 | DE4230077A1 Polysulfonmembran und Verfahren zu deren Herstellung Polysulfone membrane and processes for their preparation |
| 03/09/1994 | EP0586009A1 Process for separating catalysts from organic solutions, by means of semipermeable membranes |
| 03/09/1994 | EP0585860A2 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture |
| 03/09/1994 | EP0585820A2 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes |
| 03/09/1994 | EP0585781A2 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs barium-containing ion transport membranes |
| 03/09/1994 | EP0378684B1 Leucocyte-separating process |
| 03/09/1994 | EP0294495B1 Allyl group-containing oligoethyleneoxypolyphosphazenes, process for their preparation, and secondary batteries containaing them. |
| 03/08/1994 | US5292553 Ultra thin zircon coating and membrane |
| 03/03/1994 | WO1994005048A1 Ion-conducting module having axially-arranged solid state electrolyte elements |
| 03/03/1994 | WO1994004253A2 Polyazole polymer-based membranes for fluid separation |
| 03/03/1994 | WO1994004250A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 03/03/1994 | WO1993022055A3 Fluid handling in microfabricated analytical devices |
| 03/02/1994 | EP0585160A1 Fast response high purity membrane nitrogen generator |
| 03/02/1994 | EP0585152A1 Monolith ceramic support for tangential filtration membrane |
| 03/02/1994 | EP0584411A1 Separation of organic oxygenates |
| 03/02/1994 | CA2104821A1 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture |
| 03/01/1994 | US5290452 Crosslinked polyester amide membranes and their use for organic separations |
| 03/01/1994 | US5290448 Copolymer with acrylic ester and ionic monomer like methallyl sulfonic acid |
| 03/01/1994 | CA1327259C Breathable microporous film and methods for making same |
| 02/23/1994 | EP0583957A2 Fluorinated polyolefin membranes for aromatics/saturates separation |
| 02/23/1994 | EP0583733A1 Method for the manufacture of a ceramic membrane for micro-filtration |
| 02/23/1994 | CN1023866C Composite reverse osmosis polyamide membrane and its making method |
| 02/22/1994 | US5288842 Morphological composite materials formed from different precursors |
| 02/22/1994 | US5288385 Supported, mechanically stable bipolar membrane for electrodialysis |
| 02/22/1994 | US5288304 Composite carbon fluid separation membranes |
| 02/22/1994 | US5288266 Storage vessel |
| 02/21/1994 | EP0630281A4 Pleated poly(tetra-fluoro ethylene) filter medium and support. |
| 02/16/1994 | EP0583234A2 Solid poly-amphiphilic polymer having use in a separation process |
| 02/16/1994 | EP0340217B1 Ultrafiltration thin film membranes |
| 02/15/1994 | US5286539 Homogeneous and porous layers of aromatic polyimides having specified structures |
| 02/15/1994 | US5286324 Polytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separator |
| 02/15/1994 | US5286280 Composite gas separation membrane having a gutter layer comprising a crosslinked polar phenyl-containing - organopolysiloxane, and method for making the same - |
| 02/15/1994 | CA2100643A1 Fluorinated polyolefin membranes for aromatics/saturates separation |
| 02/15/1994 | CA1327023C Rotary filtration device with hyperphilic membrane |
| 02/09/1994 | EP0582393A1 Ceramic membrane removal tool |
| 02/09/1994 | EP0582184A1 Hydrogen recovery by adsorbent membranes |
| 02/09/1994 | CN1081649A A process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
| 02/08/1994 | US5284506 Fast response high purity membrane nitrogen generator |
| 02/08/1994 | US5284140 From monomer units consisting of a hydrophilic component of methoxy poly(ethylene oxide) methacrylate and other acrylates and methacrylates; biocompatibility; permeability; absorption |
| 02/04/1994 | CA2101373A1 Hydrogen recovery by adsorbent membranes |
| 02/02/1994 | EP0581058A1 Polyaryl ether films |
| 02/02/1994 | EP0580879A1 Process for increasing the dimensional and spinning stability of capillar hollow membranes |
| 02/01/1994 | US5282971 Cationic polymers having quaternary ammonium group covalently bonded to membrane surface as graft copolymers; permselectivity |
| 01/26/1994 | EP0579852A1 A porous fluororesin material plated with a metal |
| 01/26/1994 | EP0579749A1 Fiber spinning process and product thereof. |
| 01/26/1994 | EP0348501B1 Process for separating higher hydrocarbons from natural or produced gas streams |
| 01/25/1994 | US5281337 Membrane separation process |
| 01/25/1994 | US5281255 Gas-separation process |
| 01/20/1994 | WO1994001209A1 Membrane |
| 01/20/1994 | CA2139634A1 Membrane |
| 01/18/1994 | US5280078 Hydrophilic surface, water insoluble |
| 01/18/1994 | US5279739 Durable filtration membrane having optimized molecular weight |
| 01/18/1994 | US5279738 Permeable membrane excellent in biocompatibility |
| 01/18/1994 | CA1326116C Fluoro-oxidized polymeric membranes for gas separation and process for preparing them |
| 01/12/1994 | EP0578164A2 Aromatic copolyamides, process for their preparation and shaped articles |
| 01/11/1994 | US5277812 Cationic polymer filter |
| 01/09/1994 | CA2100033A1 Aromatic copolyamides, process for their preparation and shaped articles made therefrom |
| 01/06/1994 | WO1994000606A1 Production of metals from minerals |
| 01/06/1994 | WO1994000511A1 Porous polytetrafluoroethylene and preparation |
| 01/06/1994 | WO1994000222A1 Hollow fiber membrane incorporating a surfactant and process for preparing same |
| 01/06/1994 | WO1994000221A1 Hydrophilic membranes |
| 01/06/1994 | CA2138250A1 Porous polytetrafluoroethylene and preparation |
| 01/05/1994 | EP0576830A1 Membrane and process for making the same |
| 01/05/1994 | EP0576659A1 Rectifying dialyzer, membrane and process |
| 01/05/1994 | CN1080206A Thin-film composite membrane |
| 01/04/1994 | US5276244 Separation of aluminum alkyls from olefins using modified inorganic membranes |
| 01/04/1994 | US5276088 Reacting a cyclodextrin derivative with polyvinyl alcohol, vinyl acetate, methyl methacrylate or a cellulose |
| 01/04/1994 | US5275738 Filter device for acids and process for filtering inorganic acids |
| 01/04/1994 | CA2073099A1 Separation of organic oxygenates |
| 12/29/1993 | EP0576343A2 A composite filter material |
| 12/29/1993 | EP0575945A2 Composite porous carbonaceous membranes |
| 12/29/1993 | EP0575807A1 Sulphonated polyetherketones |
| 12/28/1993 | US5274047 Semipermeable composite membrane, a process for the manufacture thereof, as well as application of such membranes for the separations of components in an organic liquid phase or in the vapor phase |
| 12/28/1993 | US5273657 Process for preparing modified porous membrane |
| 12/28/1993 | US5273628 Using a ceramic membrane having high ambipolar conductivity and a bismuth-containing solid solution of homogeneous microstructure |
| 12/28/1993 | CA1325501C Hemodialysis method and membrane |
| 12/23/1993 | WO1993025301A1 Nanochannel filter |
| 12/22/1993 | EP0574957A2 Acrylonitrile- and polyvinylidene fluoride-derived membranes |
| 12/22/1993 | EP0574791A2 Polymer electrolyte membrane and process for its manufacture |
| 12/22/1993 | EP0574699A2 Cellulose acetate dialysis membrane |
| 12/22/1993 | EP0574588A1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 12/22/1993 | EP0570384A4 Back flushable filtration device and method of forming and using same |
| 12/21/1993 | US5271846 Method for separating a liquid component from a solution containing two or more liquid components |
| 12/21/1993 | CA1325389C Sintered coating for porous metallic filter surfaces |
| 12/15/1993 | EP0344188B1 Process for the recovery of alcohols using an organic acid-modified polymer membrane |
| 12/14/1993 | US5269935 Separation salt from salt-containing solution |
| 12/14/1993 | US5269931 Polyethersulfone membrane, polyethyleneimine-epichlorohydrin resin containing polyamines as charge modifying agent |
| 12/14/1993 | US5269926 Supported microporous ceramic membranes |