| 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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| 08/03/1993 | CA1320912C Membrane separation apparatus and method |
| 07/23/1993 | CA2087421A1 Composite reverse osmosis membrane and novel acid chloride |
| 07/22/1993 | WO1993014265A1 Porous webs |
| 07/22/1993 | WO1993014186A1 Rectifying dialyzer, membrane and process |
| 07/22/1993 | WO1993013849A1 Filter and filter element |
| 07/22/1993 | CA2127979A1 Porous webs |
| 07/20/1993 | US5229465 Oxygen-permeable polymeric membranes |
| 07/20/1993 | US5228994 Composite microporous membranes |
| 07/20/1993 | CA1320318C Method for modifying asymmetric membranes by endo-treating |
| 07/14/1993 | EP0550798A1 Polysulfone hollow fibre membrane |
| 07/14/1993 | EP0540549A4 Formation of porous materials |
| 07/13/1993 | US5227101 Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers |
| 07/13/1993 | US5227070 Textile reinforced membrane filter, method for manufacture and application |
| 07/13/1993 | CA1320026C Permeable membranes for enhanced gas separation |
| 07/13/1993 | CA1320024C Microporous membrane and method of making the same |
| 07/11/1993 | CA2104969A1 Rectifying dialyzer, membrane and process |
| 07/08/1993 | WO1993013022A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/08/1993 | WO1993012870A1 Composite membrane of a hydrophilic asymmetric membrane coated with an organosiloxane block copolymer |
| 07/08/1993 | WO1993012868A1 Spinning of asymmetric hollow fibre membranes which have a dense, non-porous top layer and a porous under layer or have both a porous top layer and a porous under layer |
| 07/08/1993 | WO1993012867A1 Catalytic filtration device and method |
| 07/08/1993 | DE4200104A1 Coating process for membrane surfaces - comprises hydrophobising the membrane carrier to prevent deep penetration of the coating |
| 07/08/1993 | CA2126439A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/07/1993 | EP0549670A1 Polymer membrane. |
| 07/07/1993 | EP0489746B1 High flux semipermeable membranes |
| 07/07/1993 | CA2073374A1 Membrane and method of separation |
| 07/06/1993 | US5225131 Extrusion molding a mixtures of polytetrafluoroethylene powder with lubricants, paste extrusion to form a multilayer structure and sintering |
| 07/06/1993 | US5225120 Method for preparing tubing and hollow fibers from non-crosslinked polyvinyl alcohol hydrogels |
| 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 |
| 06/30/1993 | EP0548082A1 Method and apparatus for applying polymeric coating |
| 06/29/1993 | USRE34296 Process for the preparation of hydrophilic membranes and such membranes |
| 06/29/1993 | US5223318 Membrane supports having specific pore size, narrow pore size distribution; formed of sintered particles of specific size |
| 06/29/1993 | CA1319626C Flexible filter element employing filtering sheets formed with bypass openings |
| 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 | DE4142502A1 Blasenfreier wasserstoffeintrag in waessrige fluessigkeiten Bubble-free hydrogen entry in aqueous fluids |
| 06/24/1993 | CA2124084A1 Microstructured membranes and methods for making same |
| 06/23/1993 | EP0547471A1 Polyacrylnitrile membrane |
| 06/22/1993 | US5221484 Useful for catalyzing gas phase reactions, such as, oxidation of nitrogen oxides, oxidation of sulfur dioxide and organic vapors |
| 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 |
| 06/16/1993 | EP0348459B1 Improved composite membranes, their manufacture and their use |
| 06/15/1993 | CA1318992C Immobilized liquid membrane |
| 06/10/1993 | WO1993011087A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 06/09/1993 | EP0545686A2 Crosslinked polyester amide membranes and their use for organic separations |
| 06/09/1993 | EP0366649B1 A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved |
| 06/08/1993 | US5217666 Process for producing porous polytetrafluoroethylene film |
| 06/06/1993 | CA2084382A1 Crosslinked polyester amide membranes and their use for organic separations |
| 06/01/1993 | US5215554 Membranes having enhanced selectivity and method of producing such membranes |
| 05/26/1993 | EP0543575A2 Membrane separation method |
| 05/26/1993 | EP0543574A2 Membrane separation process |
| 05/26/1993 | EP0543355A2 Polysulfone porous hollow fiber |
| 05/25/1993 | US5213689 Asymmetric fluoropolymer-coated polyolefin hollow fibers |
| 05/25/1993 | CA1318093C Rapid recoverable ptfe and process therefore |
| 05/25/1993 | CA1318088C Porous hollow fiber membrane and a method for the removal of a virus by using the same |
| 05/19/1993 | EP0541578A1 Polymerisable porphyrins |
| 05/19/1993 | CA2073420A1 Membrane separation process |
| 05/19/1993 | CA2073379A1 Membrane separation method |
| 05/18/1993 | US5212000 Method for providing an inner-skinned functionalized coating on the lumen-defining surface of a hollow tube |
| 05/18/1993 | US5211827 Electrochemical cell with ionic semiconductor separator |
| 05/16/1993 | WO1993009862A1 Pleated poly(tetra-fluoro ethylene) filter medium and support |
| 05/16/1993 | CA2108901A1 Pleated poly (tetra-fluoro ethylene) filter medium and support |
| 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 | EP0540549A1 Formation of porous materials |
| 05/11/1993 | US5209883 Dissolving polyimide in N-methyl pyrrolidone, coagulation in methanol |
| 05/04/1993 | US5207909 Plasma polymer membrane (C-2564) |
| 05/04/1993 | US5207908 Interpenetrating polymer networks |
| 04/29/1993 | WO1993008019A1 Oil, water and sweat repellent microporous membrane materials |
| 04/29/1993 | CA2119138A1 Oil, water and sweat repellent microporous membrane materials |
| 04/27/1993 | 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 | US5205934 Silicone-derived solvent stable membranes |
| 04/21/1993 | EP0537929A1 Membrane and method of separation |
| 04/20/1993 | CA1316311C Anisotropic membranes for gas separation |
| 04/14/1993 | EP0536297A1 Process and apparatus for removal of dna and viruses |
| 04/14/1993 | CN1070841A Hollow fiber membranes |
| 04/13/1993 | CA1315929C Porous hollow-fiber |
| 04/13/1993 | CA1315928C Porous polymer fibers |
| 04/11/1993 | WO1993007433A1 Process for improving heat and mass transfers to and/or through a wall |
| 04/11/1993 | CA2098106A1 Process for improving heat and mass transfers to and/or through a wall |
| 04/08/1993 | CA2073399A1 Membrane and method of separation |
| 04/07/1993 | EP0535471A1 A composite layered material containing a silicone resin substrate |
| 04/07/1993 | EP0516686A4 Separation by carrier mediated transport |
| 04/07/1993 | CN1070592A Interfacially synthesizd reverse osmosis membranes and processes for preparing same |
| 04/06/1993 | US5200078 With specified nitrogen flux |
| 04/06/1993 | CA1315732C Process for manufacturing a partially permeable membrane |
| 04/06/1993 | CA1315701C Hollow fiber membrane fluid processor |
| 04/02/1993 | CA2052605A1 Supported pervaporation membrane and module containing arrays of membranes |
| 04/01/1993 | WO1993006045A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | WO1993005866A1 Semi-permeable membranes derived from reactive oligomers |
| 04/01/1993 | CA2119383A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | CA2118801A1 Semi-permeable membranes derived from reactive oligomers |
| 03/31/1993 | EP0394392B1 Method for forming a gas permeable and ion-permeable membrane |
| 03/30/1993 | US5198112 Support and polymers |
| 03/24/1993 | EP0532687A1 Semipermeable composite membrane. |
| 03/24/1993 | EP0531305A4 Gas permeable thrombo-resistant coatings and methods of manufacture |