Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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12/21/1994 | EP0629434A1 Process for making a microfiltration, ultrafiltration, pervaporation or reverse osmosis membrane for suspensions, emulsions or gas separation |
12/15/1994 | CA2125063A1 Layered plasma polymer composite membranes |
12/13/1994 | CA1333469C Microporous asymmetric polyfluorocarbon membranes |
12/08/1994 | WO1994028059A1 Porous polytetrafluoroethylene and preparation |
12/08/1994 | DE4339810C1 Process for the partial modification of porous, hydrophilic filter membranes, post-treated filter membranes and filtration modules fitted therewith, in particular filter candles |
12/07/1994 | EP0627250A1 Method and device for draining-washing, and concentration type filter used therefor |
12/06/1994 | US5370889 Microporous film and process for the production thereof |
12/06/1994 | US5370836 Process of making porous fluoroplastics membrane for an air depolarized battery |
11/30/1994 | EP0626193A1 Positively charged polyvinylidene fluoride membrane |
11/30/1994 | EP0625915A1 Method of producing anti-thrombogenic material and material produced thereby |
11/30/1994 | EP0407566B1 Highly air permeable expanded polytetrafluoroethylene membranes and process for making them |
11/30/1994 | CN2183811Y Three-slot apparatus for making monomolecular film |
11/29/1994 | US5369012 Method of making a membrane having hydrophilic and hydrophobic surfaces for adhering cells or antibodies by using atomic oxygen or hydroxyl radicals |
11/29/1994 | US5368733 Water-soluble cellulose derivative and biocompatible material |
11/29/1994 | CA1333237C Composite membranes and their manufacture and use |
11/29/1994 | CA1333236C Hydrophilic microporous membrane and process for preparing same |
11/24/1994 | WO1994026399A1 Surface modified biocompatible membranes |
11/24/1994 | CA2162495A1 Surface modified biocompatible membranes |
11/23/1994 | EP0605470A4 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend. |
11/17/1994 | EP0624283A1 Preparation of a membrane and its use in an electrochemical cell. |
11/17/1994 | EP0624114A1 Microstructured membranes and methods for making same |
11/15/1994 | CA2096276A1 Membrane from polyphenylsulfone (radel-r) |
11/15/1994 | CA1333028C Continuous process for making coated composite hollow fiber membranes |
11/12/1994 | CA2114668A1 Positively charged polyvinylidene fluoride membrane |
11/09/1994 | EP0623380A1 Membrane for the separation of polydispersions and/or emulsions and process for the manufacture of said membrane |
11/08/1994 | US5362761 Process for fabricating porous silicone product |
11/08/1994 | US5362760 Temperature resistant microporous film |
11/08/1994 | US5362525 Silicon carbide, silicon nitride, silica, silicates |
11/02/1994 | EP0622111A1 Plasma polymerization and surface modification inside hollow micro-substrates |
11/02/1994 | EP0621917A1 Porous webs |
10/25/1994 | US5358556 Membranes having selective permeability |
10/22/1994 | CA2120460A1 Plasma polymerization and surface modification inside hollow micro-substrates |
10/19/1994 | EP0619755A1 Contaminant removal system and process |
10/18/1994 | US5356936 Exposing to oxygen plasma |
10/18/1994 | US5356461 Permselectivity for oxygen and nitrogen mixtures; polymeric multilayer |
10/18/1994 | US5356459 Separating gas mixture by contacting with composite membrane produced by one step coating process providing interior separation layer and exterior protective polysiloxane layer |
10/13/1994 | WO1994022928A1 Microemulsion polymerization systems and coated materials made therefrom |
10/13/1994 | WO1994022561A1 Composite carbon fluid separation membranes |
10/13/1994 | WO1994022432A1 Method of coating microporous membranes and resulting products |
10/13/1994 | CA2159446A1 Composite carbon fluid separation membranes |
10/11/1994 | US5354587 Hydrophilic compositions with increased thermal and solvent resistance |
10/11/1994 | US5354470 Artificial lung; hollow fibers having lumps connected in the direction of the fiber axis; three dimensional network; durability; high gas-exchanging capacity; no leakage of blood |
10/11/1994 | US5354469 Layered plasma polymer composite membranes |
10/11/1994 | CA1332325C Stable membranes from sulfonated polyarylethers |
10/05/1994 | CN1093018A Hollow fibre film with characteristic of transmiting of reinforcement and preparation of same |
10/04/1994 | US5352513 Layers of crystallized polyolefin and hydrocarbon processing compound coated with a fluorochemical oxazolidinone; clothing; aging and wear resistance |
10/04/1994 | US5352511 Copolymer of fluorinated ethylenically unsaturated monomer and vinyl alcohol reacted with a monoepoxide |
09/29/1994 | WO1994017903A3 Membranes for use in affinity separation and methods for activating membranes |
09/27/1994 | US5350805 Reverse osmosis or ultrafiltration membrane |
09/22/1994 | DE4325650C1 Membranes made of acrylonitrile copolymers, process for the production thereof and use thereof |
09/22/1994 | DE4308150A1 Semipermeable membranes made of casting solutions having structural viscosity |
09/21/1994 | EP0615779A1 Oleophobic modified microporous polymers |
09/21/1994 | EP0615778A1 Process for making hydrophilic membranes |
09/15/1994 | WO1994020207A1 Exothermic process with porous means to control reaction rate and exothermic heat |
09/15/1994 | WO1994020192A1 Method and apparatus for performing a solid-phase extraction under pressurized conditions |
09/15/1994 | CA2157408A1 Exothermic process with porous means to control reaction rate and exothermic heat |
09/14/1994 | EP0614923A1 Hydrophilic material and semipermeable membrane made therefrom |
09/14/1994 | EP0604590A4 Gas plasma treated porous medium and method of separation using same. |
09/13/1994 | US5346924 Heterogeneous ion exchange materials comprising polyethylene of linear low density or high density high molecular weight |
09/13/1994 | CA1331955C Filtering device for blood platelet |
09/06/1994 | US5344560 Process for producing filtration membranes having amino acids that are capable of adsorbing proteins |
08/30/1994 | US5342434 Coating from reaction of perfluoroalkyl alcohol with a diisocyanate |
08/24/1994 | EP0611790A2 Polytetrafluoroethylene porous film and preparation and use thereof |
08/24/1994 | EP0611592A2 Membranes for use in affinity separation and methods for activating membranes |
08/23/1994 | US5340480 Polysulfone-based hollow fiber membrane and process for manufacturing the same |
08/18/1994 | WO1994017985A1 Process of making microporous pps membranes |
08/18/1994 | WO1994017974A1 Process of making microporous pps membranes |
08/18/1994 | WO1994017906A1 Inter-penetrating network charge modified microporous membrane |
08/18/1994 | WO1994017905A1 Polymer porous structure and process |
08/18/1994 | WO1994017904A1 Modified membrane for medical purposes |
08/18/1994 | WO1994017903A2 Membranes for use in affinity separation and methods for activating membranes |
08/18/1994 | WO1994017894A1 Leukocyte removal method and filter unit for same |
08/18/1994 | CA2155516A1 Inter-penetrating network charge modified microporous membrane |
08/18/1994 | CA2155188A1 Polymer porous structure and process |
08/18/1994 | CA2154069A1 Process of making microporous pps membranes |
08/17/1994 | EP0610756A1 Activated membrane and method for ligate separation |
08/17/1994 | EP0610755A1 An affinity separation device and its use for immunoglobulin separation |
08/16/1994 | US5338770 Anticoagulants; amine-functional siloxanes reacted with polyethers coupled to bioactive material; oxygenators |
08/04/1994 | WO1994016803A1 Thermally induced phase separated azlactone membrane |
08/04/1994 | WO1994016802A1 Polytetrafluoroethylene porous film and method for manufacturing the same |
08/03/1994 | EP0608366A1 Oil, water and sweat repellent microporous membrane materials. |
07/26/1994 | US5332551 Atomic oxygen reactor having at least one sidearm conduit |
07/21/1994 | WO1994015703A1 A filter |
07/21/1994 | WO1994015701A1 Currents in narrow pores |
07/20/1994 | EP0606198A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
07/19/1994 | US5330830 Heat-resisting porous membrane, hydrophilized heat-resisting porous membrane and production processes thereof |
07/13/1994 | EP0605470A1 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend. |
07/13/1994 | EP0511289B1 Method and apparatus for treating filter membranes |
07/12/1994 | US5328613 High temperature polymers formed by melt mixing with finely divided glass and leaching the intercommunicating glass |
07/06/1994 | EP0604883A2 Process for preparing porous hydrophilic membranes |
07/06/1994 | EP0604711A1 Process for opening reverse osmosis membranes |
07/06/1994 | EP0604590A1 Gas plasma treated porous medium and method of separation using same |
07/06/1994 | EP0589897A4 Ultraporous and microporous membranes and method of making membranes |
07/05/1994 | US5326629 Olefin polymers with side groups as fibers or filaments in filters |
06/29/1994 | EP0603987A1 Permanent hydrophilic-anionic or hydrophylic-cationic surface layer and process for its manufacture |
06/29/1994 | EP0603463A2 Permanent hydrophilic modification for fluoropolymers and process for producing this modification |
06/29/1994 | EP0603299A1 Semi-permeable membranes derived from reactive oligomers |
06/29/1994 | EP0340262B1 Semi-permeable membranes with an internal discriminating region |
06/23/1994 | WO1994013352A1 Liquid applicator with metering insert |
06/23/1994 | WO1994007594A3 Hollow fiber membrane incorporating a polyimide and process for preparing same |