| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 08/03/1993 | CA1320804C Fluorinated polymeric membranes for gas separation processes |
| 07/27/1993 | US5230804 Process for separating catalysts from suspensions by filtration |
| 07/22/1993 | WO1993014265A1 Porous webs |
| 07/22/1993 | CA2127979A1 Porous webs |
| 07/20/1993 | US5228992 Process for preparing hollow fiber separatory devices |
| 07/14/1993 | EP0550798A1 Polysulfone hollow fibre membrane |
| 07/14/1993 | EP0540549A4 Formation of porous materials |
| 07/14/1993 | EP0348425B1 Protective surface treatment and relative product |
| 07/13/1993 | US5227101 Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers |
| 07/13/1993 | CA1320026C Permeable membranes for enhanced gas separation |
| 07/13/1993 | CA1320025C Gas separation membrane |
| 07/13/1993 | CA1320024C Microporous membrane and method of making the same |
| 07/07/1993 | EP0550115A2 Process for the production of a porous film having high bursting strength |
| 07/07/1993 | EP0549670A1 Polymer membrane. |
| 07/01/1993 | DE4243600A1 Electrolyte membrane for fuel cells esp. for cars - comprises three=dimensional structure of crosslinked polymer, pref. PVA, contg. uniformly distributed polyelectrolyte |
| 06/30/1993 | EP0548492A1 Polymer membranes for separation processes |
| 06/29/1993 | USRE34296 Process for the preparation of hydrophilic membranes and such membranes |
| 06/28/1993 | WO1993012920A1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 06/26/1993 | CA2085549A1 Fuel cell and electrolyte membrane therefor |
| 06/24/1993 | WO1993011862A1 Micromechanical filter and method for the manufacture thereof |
| 06/24/1993 | WO1993011861A1 Microstructured membranes and methods for making same |
| 06/24/1993 | WO1993011859A1 Contaminant removal system and process |
| 06/24/1993 | CA2124084A1 Microstructured membranes and methods for making same |
| 06/22/1993 | US5221483 Process and apparatus for removal of DNA, viruses and endotoxins |
| 06/22/1993 | CA1319231C Ultrafiltration thin film membranes |
| 06/22/1993 | CA1319230C Process for preparing powadir membranes from tetrahalobisphenol a polycarbonates |
| 06/16/1993 | EP0546057A1 Gas separation membrane with ultrathin layer |
| 06/15/1993 | CA1318991C Solvent dewaxing process |
| 06/11/1993 | CA2083076A1 Contaminant removal system and process |
| 06/09/1993 | EP0366649B1 A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved |
| 06/08/1993 | US5217802 Surface treatment by dipping porous substrate in solution of fluorine containing monomer, irradiation polymerization in presence of crosslinking agent |
| 06/08/1993 | US5217743 Biomaterials of enhanced biocompatibility |
| 06/08/1993 | US5217666 Process for producing porous polytetrafluoroethylene film |
| 06/02/1993 | EP0543973A1 Microporous membrane, its manufacture and use |
| 06/01/1993 | US5216087 Prothetics |
| 06/01/1993 | US5215790 Treating interstitial surface with first agent, exposing to oxidizing gas to remove exterior, treating with second agent |
| 06/01/1993 | US5215692 Process for the surface grafting of formed bodies, in particulate also microporous membranes made from nitrogen-containing polymers |
| 06/01/1993 | US5215554 Membranes having enhanced selectivity and method of producing such membranes |
| 05/26/1993 | EP0543355A2 Polysulfone porous hollow fiber |
| 05/26/1993 | CN1072351A Polytetrafluoroethylene porous film prepn. and use thereof |
| 05/25/1993 | US5213689 Asymmetric fluoropolymer-coated polyolefin hollow fibers |
| 05/25/1993 | CA1318319C Removing and recovering plant polyphenols |
| 05/25/1993 | CA1318091C Reverse osmosis membranes |
| 05/19/1993 | EP0542346A1 Process for producing a steam-sterilizable, porous polyolefin membrane, and polyethylene membrane being steam-sterilizable at 134 C |
| 05/18/1993 | US5212000 Method for providing an inner-skinned functionalized coating on the lumen-defining surface of a hollow tube |
| 05/18/1993 | US5211913 Medical instrument |
| 05/18/1993 | CA1317715C Microporous polymeric films and process for their manufacture |
| 05/18/1993 | CA1317714C Polyaldehyde activated membranes |
| 05/18/1993 | CA1317713C Water softening membranes |
| 05/13/1993 | WO1993008894A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/13/1993 | CA2121236A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/12/1993 | EP0540862A2 Cap for sealing openings of ear fitments |
| 05/12/1993 | EP0540549A1 Formation of porous materials |
| 05/11/1993 | US5209850 Hydrophilic membranes |
| 05/11/1993 | US5209849 Grafting polyethylene glycol dimethacrylate to polypropylene, ultraviolet radiation |
| 05/11/1993 | CA1317424C Oriented microporous film |
| 05/05/1993 | EP0539870A1 Hydrophilic asymmetric chemically resistant polyaramide membranes |
| 04/29/1993 | WO1993008019A1 Oil, water and sweat repellent microporous membrane materials |
| 04/29/1993 | CA2119138A1 Oil, water and sweat repellent microporous membrane materials |
| 04/28/1993 | EP0490950B1 Process for surface-grafting of formed materials, in particular also microporous membranes made from nitrogen containing polymers |
| 04/27/1993 | US5205968 Process for making a microporous membrane from a blend containing a poly(etheretherketone)-type polymer, an amorphous polymer, and a solvent |
| 04/27/1993 | CA2081261A1 Hydrophilic, asymmetric, chemically-resistant polyaramide membrane |
| 04/20/1993 | US5203997 Hydrophilic porous membrane, method of manufacturing the same and liquid filter using the same |
| 04/20/1993 | CA1316462C Method for the manufacture of plates, filter plate, and suction drier |
| 04/20/1993 | CA1316313C Surface-hydrophilic, highly selective semipermeable membrane |
| 04/20/1993 | CA1316311C Anisotropic membranes for gas separation |
| 04/14/1993 | EP0536297A1 Process and apparatus for removal of dna and viruses |
| 04/13/1993 | US5202025 Porous membrane and method for preparing the same |
| 04/13/1993 | CA1315929C Porous hollow-fiber |
| 04/13/1993 | CA1315928C Porous polymer fibers |
| 04/07/1993 | EP0338004B1 Polymer with betaine structure, solution diffusion membrane, process for their manufacture and use |
| 04/06/1993 | US5200078 With specified nitrogen flux |
| 04/06/1993 | CA1315701C Hollow fiber membrane fluid processor |
| 04/01/1993 | WO1993005871A1 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend |
| 04/01/1993 | WO1993005866A1 Semi-permeable membranes derived from reactive oligomers |
| 04/01/1993 | CA2118801A1 Semi-permeable membranes derived from reactive oligomers |
| 03/30/1993 | US5198505 Heat treated membrane |
| 03/30/1993 | US5198112 Support and polymers |
| 03/24/1993 | EP0531305A4 Gas permeable thrombo-resistant coatings and methods of manufacture |
| 03/23/1993 | US5196508 Method for making uniform polyvinylidene difluoride membranes |
| 03/23/1993 | CA1314667C Process for producing porous membranes |
| 03/23/1993 | CA1314666C Selectively ion-adsorptive, porous membrane |
| 03/18/1993 | WO1993005081A1 Polymer treatments |
| 03/18/1993 | WO1993004769A1 Permselective polyacrylonitrile copolymer membrane and production thereof |
| 03/18/1993 | WO1993004763A1 Gas plasma treated porous medium and method of separation using same |
| 03/18/1993 | WO1993004755A1 Method and device for draining-washing, and concentration type filter used therefor |
| 03/17/1993 | EP0531305A1 Gas permeable thrombo-resistant coatings and methods of manufacture |
| 03/16/1993 | US5194159 Reclaiming ethylene glycol and propylene glycol from aqueous antifreeze, reverse osmosis |
| 03/10/1993 | EP0381757B1 Medical instrument and production thereof |
| 03/09/1993 | US5192320 Membranes of polyethylene with hollow fibers |
| 03/04/1993 | WO1993004223A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
| 03/04/1993 | WO1993003821A1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same |
| 03/04/1993 | CA2115826A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
| 03/03/1993 | EP0529682A2 Membrane filtration unit and cassette, and method of making a membrane filtration unit |
| 03/03/1993 | EP0343247B1 Porous polytetrafluoroethylene membrane, separating apparatus using same, and process for their production |
| 03/03/1993 | EP0335972B1 Medical material and process for its production |
| 03/02/1993 | US5191151 Use of silver-exchanged ionomer membranes for gas separation |
| 03/02/1993 | CA1314006C Gas dehydration membrane apparatus |
| 02/24/1993 | EP0528582A1 Durable filtration membrane having optimized molecular weight |
| 02/24/1993 | EP0527992A1 Process for modifying the surface of mouldings in the form of microporous membranes, mouldings so produced and their use for separating substances by adsorption |