Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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10/23/1984 | US4478717 Semipermeable membrane treated with modified vinyl polymer |
10/16/1984 | US4477634 Modified acrylonitrile polymer containing semipermeable membranes |
10/09/1984 | US4476024 Microporous hydrophobic membrane |
09/27/1984 | WO1984003645A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
09/25/1984 | US4473475 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
09/25/1984 | US4473474 Cationic polymers |
09/18/1984 | US4472175 Polymer film coated with bronsted or lowry acid; permselectivity |
09/12/1984 | EP0117919A2 A membrane treatment method for semipermeable membranes |
09/11/1984 | CA1174399A1 Catalyst-containing stable polyurethane forming compositions which are non-cytotoxic when cured and separatory devices employing same |
08/30/1984 | WO1984003229A1 A preprimed filter device and its method of manufacture |
08/28/1984 | US4468503 Amino ketone cross-linked polyphenylene oxide |
08/21/1984 | US4466931 Very rapid irradiation polymerization |
08/16/1984 | WO1984003055A1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix |
08/16/1984 | WO1984003054A1 Cross linked porous membranes |
08/08/1984 | EP0115375A2 Semi-permeable membrane storage solutions |
08/01/1984 | EP0114286A2 Semi-permeable encapsulated membranes, process for their production and their use |
07/17/1984 | US4460526 Process for producing aromatic polyimide hollow filaments |
07/10/1984 | US4459210 Porous membrane |
07/04/1984 | EP0112614A2 Semipermeable membranes and method of making the same |
07/03/1984 | CA1170194A2 Hollow filament separatory module and method of fabrication |
07/03/1984 | CA1170010A1 Porous vinylidene fluoride polymer membrane and process for its preparation |
07/03/1984 | CA1170009A1 Modified polyvinylalcohol containing semipermeable composite membranes, process for their manufacture and their use |
06/27/1984 | EP0111663A2 Membrane and process for producing the membrane |
06/27/1984 | EP0111499A1 Wettable hydrophobic hollow fibers |
06/26/1984 | US4456708 Method for the preparation of thin-skinned asymmetric reverse osmosis membranes and products thereof |
06/13/1984 | EP0110580A2 Improved process for removing pyrogens utilizing a hydrophobic microporous membrane |
06/12/1984 | US4454268 Starch-based semipermeable films |
06/12/1984 | US4453320 Process for changing the water content of water-absorbing or water-releasing material |
06/12/1984 | CA1169118A1 Hydrophilic polymer coated microporous membranes capable of use as a battery separator |
06/12/1984 | CA1168811A1 Microporous polyethylene hollow fibers and a process for preparing the same |
06/05/1984 | CA1168594A1 Process for changing the water content of water- absorbing or water-releasing material |
05/29/1984 | US4451424 Method of gelling cast, polysulfone membranes |
05/29/1984 | CA1168007A1 Method of gelling cast, polysulfone membranes |
05/16/1984 | EP0108601A2 Polypropylene membranes |
05/15/1984 | CA1167211A1 Process for preparing hollow microporous polypropylene fibers |
05/08/1984 | CA1166813A1 Method for recovering efficiency of semipermeable membrane |
05/01/1984 | CA1166414A1 Process for producing aromatic polyimide hollow filaments |
05/01/1984 | CA1166411A1 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
04/24/1984 | US4444716 Method for manufacture of hollow fiber |
04/24/1984 | US4444663 Membrane and method for manufacture thereof |
04/18/1984 | EP0105629A2 Microporous sheet material, method of making and articles made therewith |
03/28/1984 | EP0103816A2 Artificial organ and method for manufacturing thereof |
02/28/1984 | CA1162708A1 Method for producing permeable polymeric membranes |
02/21/1984 | US4432920 Forming a membrane from dispersion blend of waxy or fatty substance and high polymer, then solvent extraction |
02/21/1984 | US4432875 Bonding surfactant, containing both hydrophilic and hydrophobic groups, to hydrophobic polymer |
02/15/1984 | EP0100552A2 Hydrophilized membrane of porous hydrophobic material and process of producing same |
01/31/1984 | CA1161215A1 Process for preparing liquophilic polyamide membrane filter media and product |
01/05/1984 | WO1984000015A1 Wettable hydrophobic hollow fibers |
12/13/1983 | US4420612 Catalyst membrane |
12/06/1983 | US4419308 Solvent extraction of imide or isocyanurate |
12/06/1983 | US4419242 Composite membrane for a membrane distillation system |
11/08/1983 | CA1156411A1 Microporous siloxane polymer membrane, and process for its preparation |
11/08/1983 | CA1156410A1 Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid |
11/01/1983 | US4413074 Polymer, hydroxyalkyl cellulose, perfluorocarbon curfactant, crosslinking, coating |
11/01/1983 | US4412922 Positive-charged ultrafiltration membrane for the separation of cathodic/electrodeposition-paint compositions |
10/18/1983 | US4410338 Gas separating members and a method of making the same |
10/11/1983 | US4409339 Hydrophilic sulfonated polyolefin porous membrane and process for preparing the same |
10/11/1983 | CA1154916A1 Treatment of reverse osmosis membranes |
10/05/1983 | EP0090483A2 Polyamide membrane and process for its production |
10/04/1983 | US4407846 Ionizing radiation, graft polymerization |
09/20/1983 | US4405688 Microporous hollow fiber and process and apparatus for preparing such fiber |
09/07/1983 | EP0087955A2 Immobilized inorganic diffusion barriers and the use thereof in the separation of small molecular species from a solution |
09/06/1983 | US4402785 Apparatus for making a web-supported membrane |
09/01/1983 | WO1983002905A1 Immobilised inorganic diffusion barriers and their application to the separation of small molecular species from a solution |
08/31/1983 | EP0087228A1 Polyamide membrane with controlled surface properties and process for its production |
08/30/1983 | US4401567 Microporous polyethylene hollow fibers |
08/30/1983 | CA1152942A1 Hydrophilic monomer treated microporous films |
08/02/1983 | CA1151077A1 Tubular permselective membrane module and method |
06/29/1983 | EP0082433A2 Hydrophilic asymmetrical macroporous membrane of a synthetic polymerizate |
06/29/1983 | EP0082393A2 Reinforced microporous membrane |
06/29/1983 | EP0082355A2 Semipermeable membranes of modified polystyrene, process for their manufacture and their use |
06/15/1983 | EP0081182A2 Membrane for the separation of liquid or gaseous multicomponent systems |
05/31/1983 | CA1147108A1 Modification of regenerated cellulose membranes for organic liquid permeation and the use of said membranes to recover selected organic liquids |
05/18/1983 | EP0079307A1 Use of photocrosslinkable copolymers in the manufacture of semipermeable membranes |
05/17/1983 | US4384047 Porous vinylidene fluoride polymer membrane and process for its preparation |
05/03/1983 | US4381985 With capillaries from film material such as polyvinyl chloride, polyethylene, polypropylene, a polyester or polyurethane |
03/15/1983 | CA1142831A1 Osmotically driven fluid dispenser |
02/22/1983 | CA1141510A1 Methods for preparing anisotropic membranes and membranes prepared therefrom |
02/01/1983 | US4371487 Process for the production of a hollow fiber semipermeable membrane |
02/01/1983 | CA1140533A1 Hollow fibers of synthetic polymers |
02/01/1983 | CA1140308A1 Membrane with porous surface |
01/18/1983 | CA1139680A1 Gas separating members and a method of making the same |
01/12/1983 | EP0069305A1 Reverse osmosis membrane quenching |
01/11/1983 | US4368112 Conditioned by series of solvents of decreasing polarity |
12/28/1982 | CA1138584A1 Preparation of skinless hydrophilic polyamide membrane filters |
12/21/1982 | US4364759 Semipermeable membrane for gas separation |
12/15/1982 | EP0066814A1 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
12/08/1982 | EP0066408A2 Porous membrane |
11/30/1982 | US4361484 Process for treating and/or removal of substances from liquid, especially whole blood |
11/23/1982 | US4360434 Amphoteric ion-permeable composite membrane |
11/16/1982 | US4359510 Hydrophilic polymer coated microporous membranes capable of use as a battery separator |
10/26/1982 | US4356267 Enzyme immobilization in cellulosic hollow fibres |
10/19/1982 | US4354938 Regenerated cellulose |
10/12/1982 | US4353799 Exposure to ionizing atmosphere to improve surface tension |
10/06/1982 | EP0061610A1 Semipermeable membranes from acrylonitrile-based polymers, process for their preparation and their use |
09/28/1982 | CA1132312A1 Membrane and method for making same |
09/21/1982 | CA1131861A1 Process for preparing microporous hollow fibers |
09/15/1982 | EP0060127A2 Ion transfer membrane assembly, a method of constructing such an assembly and an electrochemical cell |
09/08/1982 | EP0059393A2 Hyperfiltration membranes with separation layers from monomolecular surfactant films |
09/07/1982 | US4348329 Phospholipids having conjugated di-yne system |