| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 08/24/1982 | US4346142 Hydrophilic monomer treated microporous films and process |
| 08/17/1982 | US4344873 Potting medium from polyurethanes |
| 07/20/1982 | US4340482 Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby |
| 07/20/1982 | US4340480 Process for preparing liquophilic polyamide membrane filter media and product |
| 07/20/1982 | US4340479 Process for preparing hydrophilic polyamide membrane filter media and product |
| 07/13/1982 | US4339473 Gamma radiation grafting process for preparing separator membranes for electrochemical cells |
| 07/13/1982 | CA1127472A1 Gas separation membranes and process for the preparation thereof |
| 07/06/1982 | CA1126919A1 Membrane and method for making and using same |
| 06/01/1982 | US4332927 Catalyst-containing stable polyurethane forming compositions which are non-cytotoxic when cured and separatory devices employing same |
| 06/01/1982 | US4332752 Process for production of dialysis membrane hollow fiber chains |
| 05/18/1982 | US4330406 Semipermeable membrane and process of making same |
| 05/13/1982 | WO1982001477A1 Charge modified microporous membrane,process for charge modifying said membrane and process for filtration of fluid |
| 05/12/1982 | EP0006857B1 Electrophoresis membranes, their use in a separation method and separation apparatus |
| 05/05/1982 | EP0050864A1 A hydrophilic cationic charge modified microporous membrane, a process for producing it and its use |
| 05/05/1982 | EP0050789A1 Liquophilic polyamide membrane filter media and process of preparation thereof |
| 04/28/1982 | EP0050399A1 Microporous polyethylene hollow fibers and a process for preparing the same |
| 04/28/1982 | EP0050288A1 Use of water vapour permeable polyvinylalcohol sheets |
| 04/27/1982 | US4326960 Tubular permselective membrane module and method |
| 04/13/1982 | US4324683 Encapsulation of labile biological material |
| 04/13/1982 | US4324636 Ion exchange membranes |
| 04/13/1982 | CA1121667A1 Polypropylene separator for use in alkaline storage batteries and process for making same |
| 03/24/1982 | EP0047953A2 Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use |
| 03/16/1982 | CA1119969A1 Immersible molecular filter unit and process of making it |
| 03/10/1982 | EP0046813A1 A semipermeable membrane |
| 02/24/1982 | EP0046400A2 Method of producing permeable polymeric membranes |
| 02/23/1982 | CA1118559A1 Processes of making porous membranes and the membrane products |
| 01/27/1982 | EP0044405A1 Hollow filament membrane for the separation of plasma, and process for preparing it |
| 12/22/1981 | CA1114686A1 Coated membranes |
| 12/15/1981 | CA1114307A1 Crimped hollow fibers for fluid separations and bundles containing the hollow fibers |
| 12/08/1981 | US4304799 Ion exchange membranes, steeping, polymeric solutes |
| 12/02/1981 | EP0040670A2 Porous vinylidene fluoride polymer membrane and process for its preparation |
| 12/01/1981 | CA1113318A1 Coated membranes |
| 11/24/1981 | US4302334 Fluoropolymer matrix blended with a vinyl alcohol polymer or hydrolyzable vinyl acetate precursor |
| 10/28/1981 | EP0038695A1 Treatment of reverse osmosis membranes |
| 10/14/1981 | EP0037394A1 A device for removal of substances from a liquid. |
| 10/06/1981 | US4293420 Treatment of reverse osmosis membranes |
| 09/29/1981 | US4292417 Crosslinked sulfated polyether |
| 09/29/1981 | US4291470 Method for preshrinking semipermeable membranes |
| 09/23/1981 | EP0036315A2 Anisotropic membranes |
| 09/22/1981 | US4291096 Cuprammonium rayon |
| 09/22/1981 | US4290987 Plasmaphoresis |
| 09/08/1981 | US4288467 Irradiation polymerization while stretching |
| 09/01/1981 | CA1107922A1 Method of production of a micro-porous membrane for filtration plants |
| 08/26/1981 | EP0034304A2 Method of immobilizing an enzyme in a bundle of cellulosic fibres for a fibre-bundle dialyzer for purifying blood |
| 08/18/1981 | CA1107424A1 Permselective membranes and polymeric solution for making same |
| 08/18/1981 | CA1107203A1 Multicomponent membranes for gas separation |
| 08/04/1981 | US4282287 Biochemical avidin-biotin multiple-layer system |
| 07/29/1981 | EP0032622A1 Polymerisable phospholipids and polymers thereof, methods for their preparation, methods for their use in coating substrates and forming liposomes and the resulting coated substrates and liposome compositions |
| 07/28/1981 | US4280970 Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate |
| 07/28/1981 | US4280909 Microporous member with interconnected, oriented tapered voids |
| 07/21/1981 | US4279846 Process for preparing semipermeable membrane having selective permeability |
| 07/21/1981 | US4279752 Polyvinyl alcohol semi-permeable membrane and method for producing same |
| 06/30/1981 | CA1104008A1 Hydrophilic porous structures and process for production thereof |
| 06/17/1981 | EP0030451A2 Method for recovering efficiency of semipermeable membrane |
| 06/16/1981 | CA1102988A1 Polymeric materials |
| 06/09/1981 | US4272378 Semipermeable membrane |
| 05/27/1981 | EP0029125A1 Process for the reorientation of diffusion membranes, the membranes so reoriented, and their use |
| 05/26/1981 | US4269713 Ethylene-vinyl alcohol copolymer membrane and a method for producing the same |
| 05/19/1981 | US4268463 Method of producing a film of high molecular substance |
| 04/21/1981 | US4263053 Driving out manufacturing oils from dialysis cappillaries by centrifugal force |
| 04/21/1981 | CA1099462A1 Process of preparing a permselective membrane |
| 04/01/1981 | EP0025973A2 Porous semipermeable membrane based on polyacrylonitrile modified by amidoxime groups, process for its preparation and their use |
| 02/10/1981 | US4250029 Coated membranes |
| 01/07/1981 | EP0021422A1 Gas separating member |
| 01/06/1981 | US4243701 Preparation of gas separation membranes |
| 01/06/1981 | US4243508 Polymeric ion exchange membranes |
| 01/06/1981 | US4243507 Isoelectric focusing, gels |
| 01/06/1981 | CA1093011A1 Method of producing a membrane of a high molecular substance |
| 12/24/1980 | WO1980002805A1 Process for the treating of and/or removal of substances from a liquid,especially whole blood,and a device and a membrane for the realization of said process |
| 12/23/1980 | US4240796 Method of treating capillary fibers |
| 12/16/1980 | US4239714 Filling the pores with a crosslinkable or polymerizable pore-blocking agent |
| 12/16/1980 | CA1091592A1 High surface area permeable membrane |
| 12/09/1980 | US4238571 Process for producing porous materials |
| 10/29/1980 | EP0018236A1 Method and apparatus for cleaning hollow fibers |
| 10/28/1980 | US4230549 Separator membranes for electrochemical cells |
| 10/28/1980 | US4230463 Multicomponent membranes for gas separations |
| 10/21/1980 | US4229297 Method of separating oil from oil-containing liquid |
| 09/09/1980 | CA1085531A1 Microporous sub-micron filter media |
| 09/02/1980 | US4220543 Hemodialysis membrane; wear and chemical resistant, heat sealable |
| 08/12/1980 | US4217404 Polypropylene separator for use in alkaline storage batteries and process for making same |
| 08/06/1980 | EP0013834A2 Method of converting a hydrophilic, water-containing regenerated cellulose membrane to a membrane useful for separating organic liquids |
| 07/29/1980 | USRE30351 Aromatic polyimide, polyester and polyamide separation membranes |
| 07/29/1980 | US4214994 Reverse osmosis membrane |
| 06/25/1980 | EP0012557A1 Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto |
| 05/20/1980 | US4203847 Making porous membranes and the membrane products |
| 04/29/1980 | US4200726 Semipermeable membrane of phenoxy resin containing sulfuric acid groups or salts thereof |
| 04/22/1980 | US4199448 Reverse osmosis membrane of high urea rejection properties |
| 04/22/1980 | CA1075862A1 Hydrophobic microporous materials and process for producing same |
| 04/08/1980 | US4197148 Stretching a thermoplastic resin |
| 04/08/1980 | CA1075179A1 Encapsulation of labile biological material |
| 03/18/1980 | CA1073822A1 Ethylene-vinyl alcohol copolymer membranes with improved permeability characteristics and a method for producing the same |
| 02/12/1980 | US4188354 Method for the preparation of asymmetrical membranes |
| 12/27/1979 | WO1979001147A1 A microporous member with interconnected,oriented tapered voids |
| 12/04/1979 | US4177228 Method of production of a micro-porous membrane for filtration plants |
| 11/28/1979 | EP0005536A2 Process for preparing polyamide membrane filter media and products thereof |
| 09/18/1979 | US4168352 Semipermeable membranes in lead-acid batteries |
| 09/18/1979 | CA1062413A1 Polycarbonate membranes and production thereof |
| 08/14/1979 | CA1060285A1 Method of treating semipermeable membranes |
| 06/26/1979 | CA1057180A1 Hydrophobic polymeric membrane |
| 06/12/1979 | US4157960 Storage in water to provide growth of microorganisms |