Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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03/24/1987 | US4652283 Polyphenylene oxide membrane having chemically bonded coating |
03/18/1987 | EP0214859A2 Microporous polymeric films and process for their manufacture |
03/18/1987 | EP0214360A2 Process for making and for enhancing the selectivity of an integral asymmetric membrane |
03/18/1987 | EP0214346A1 Cellulose acetate membrane, its preparation and its use for oil-polar solvent separation |
03/17/1987 | US4650711 Method for sizing polytetrafluoroethylene fabrics |
03/17/1987 | US4650551 Sizing polytetrafluoroethylene |
02/26/1987 | DE3530315A1 Nuclear-track filter as gas inlet systems for vacuum apparatuses |
02/24/1987 | US4645602 Process for producing reinforced microporous membrane |
02/17/1987 | US4643715 Artificial organ and method for manufacture thereof |
01/28/1987 | EP0210059A1 Process for preparing microporous polyethylene film |
01/22/1987 | DE3524799A1 Process for preparing a treated surface layer, and molecular sieve membrane prepared according to this process |
01/21/1987 | EP0209465A2 Hollow fiber membrane for artificial lung, method for manufacture thereof, and artificial lung using said hollow fiber membrane |
01/20/1987 | EP0135514A4 Cross linked porous membranes. |
01/20/1987 | EP0135511A4 A preprimed filter device and its method of manufacture. |
01/14/1987 | EP0207951A1 Osmotic concentration by membrane. |
01/13/1987 | US4636307 Hydrophobic and hydrophilic microporous membranes |
01/08/1987 | DE3523068A1 Process for producing a filter having pores of a predetermined and roughly equal microsize |
01/07/1987 | EP0207721A2 Anisotropic membranes for gas separation |
01/07/1987 | EP0207100A1 Process for changing the effective pore size of a structure. |
01/06/1987 | US4634531 Membrane treatment method for semipermeable membranes |
01/06/1987 | US4634530 Chemical modification of preformed polybenzimidazole semipermeable membrane |
01/06/1987 | US4634447 Method for manufacturing artificial organ |
12/31/1986 | WO1986007544A1 Polyamide membranes |
12/30/1986 | EP0206354A2 Multilayer composite hollow fibers and method of making same |
12/30/1986 | CA1215906A1 Reinforced microporous membrane |
12/23/1986 | CA1215505A1 Microporous polyolefinic hollow fiber and upward melt-spinning process to produce the same |
12/17/1986 | EP0204943A1 Process for the surface modification of polyvinylidene fluoride articles |
12/16/1986 | US4629563 Porous skin and reticulated support structure |
12/10/1986 | EP0204468A2 Membrane |
12/10/1986 | EP0204337A2 Porous hollow fiber |
12/09/1986 | US4627992 Coagulation, precipitation |
12/04/1986 | WO1986007075A1 Novel fluoropolymer solutions |
12/03/1986 | EP0203755A2 Polymer solutions |
12/03/1986 | EP0203577A2 Novel fluoropolymer solutions |
12/03/1986 | EP0203459A2 A hydrophilic composite porous membrane, a method of producing the same and a plasma separator |
11/26/1986 | EP0202850A2 Membranes |
11/26/1986 | EP0202849A2 Solution of polymeric material |
11/26/1986 | EP0202554A2 Hollow fiber |
11/20/1986 | WO1986006589A1 Removing and recovering plant polyphenols |
11/20/1986 | EP0201604A1 Permselective hollow yarn membrane, method of producing the same, method of separating plasma components, and plasma component separator |
11/18/1986 | US4623670 Mixing with and extraction of pore-formers |
11/18/1986 | US4623463 Formation of porous membranes |
11/18/1986 | CA1214114A1 Film for separating multicomponent liquid or gaseous systems |
11/06/1986 | WO1986006294A1 Method for producing solution diffusion membranes |
11/04/1986 | US4620956 Process for preparing microporous polyethylene film by uniaxial cold and hot stretching |
11/04/1986 | US4620955 Forming a gel sheet, heating, stretching, solvent extraction |
10/22/1986 | EP0197996A1 Microporous membranes of ultrahigh molecular weight polyethylene |
10/21/1986 | US4618533 Porous membrane having hydrophilic surface and process |
10/14/1986 | US4617126 Polysulfones |
10/09/1986 | WO1986005707A1 Reversed phase membranes |
10/09/1986 | WO1986005706A1 Rapid vapour transport through unwetted porous barriers |
10/01/1986 | EP0195860A1 Porous membranes and processes for producing the porous membranes |
09/30/1986 | US4614524 Water-free hydrocarbon separation membrane and process |
09/23/1986 | US4613625 Treated with acid halide to provide acid radicals within membrane |
09/23/1986 | US4613441 Thermoplastic resin porous membrane having an increased strength factor |
09/17/1986 | EP0194546A2 Membrane with pores |
09/12/1986 | WO1986005117A1 Altering pore size distributions |
09/09/1986 | US4610762 Method for forming polymer films having bubble release surfaces |
09/04/1986 | EP0160050A4 Substituted aliphatic polyamide porous membranes. |
09/03/1986 | EP0193318A2 Microporous membrane of ultra-high molecular weight alpha-olefin polymer |
09/02/1986 | US4609728 Method of treating a cellulosic hollow fiber |
08/26/1986 | US4608060 Separation of polar gases from nonpolar gases |
08/19/1986 | US4607088 Shaped body for gas separation |
08/19/1986 | US4606740 Separation of polar gases from nonpolar gases |
08/19/1986 | CA1209764A1 Reverse osmosis membrane quenching |
08/13/1986 | EP0190558A2 Method for the manufacture of a hydrophilic porous membrane |
08/12/1986 | US4605526 Spreading a polymer solution over a polar liquid, then desolventiz |
08/05/1986 | US4604208 Liquid filtration using an anionic microporous membrane |
07/30/1986 | EP0189019A1 Structure with membranes having pores extending throughout, process for producing this structure and its uses |
07/23/1986 | EP0188104A2 Hydrophobic filter material and method for the treatment with a wetting agent |
07/23/1986 | EP0187936A2 Preparation of a permselective and flexible anion exchange membrane |
07/22/1986 | US4601828 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix |
07/22/1986 | US4601827 Aromatic polyamide |
07/15/1986 | CA1207737A1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix |
07/15/1986 | CA1207607A1 Hydrophilized membrane of porous hydrophobic material and process of producing same |
07/09/1986 | EP0186758A2 Porous membrane having hydrophilic surface and process of its manufacture |
07/08/1986 | US4599364 Chemical modification of membrane to modify transport properties |
07/03/1986 | WO1986003685A1 Process for changing the effective pore size of a structure |
07/02/1986 | EP0186182A2 Liquid membrane |
07/02/1986 | EP0185813A1 Method for preparing thin regenerated cellulose membranes of high flux and selectivity for organic liquids separations |
07/01/1986 | US4597843 Enhanced bulk porosity of polymer structures via plasma technology |
06/24/1986 | US4596858 Formed from solution of unsaturated amide containing polymer, polyol, sulfamic acid |
06/24/1986 | CA1206308A1 Process for modifying porous polymeric membrane |
06/17/1986 | US4595708 Using N,N-dimethylacetamide as solvent, magnesium ion for film forming polyaramide containing sulfonate |
06/17/1986 | US4595707 Membranes comprising microporous structure |
06/10/1986 | US4594207 Heating polymer blend above critical temperature; components differ in miscibility; cooling |
06/05/1986 | WO1986003135A1 Osmotic concentration by membrane |
06/04/1986 | EP0183103A1 Flat permeable membrane and method for manufacture thereof |
05/28/1986 | EP0182506A2 Membranes |
05/20/1986 | US4589891 Hydrogen permeatin membrane, process for its manufacture and use |
05/14/1986 | EP0180987A2 Flat permeable membrane and method for manufacture thereof |
05/14/1986 | EP0180599A1 High flux membrane. |
05/13/1986 | US4588633 Higher strength; separators, diaphragms, filters |
05/13/1986 | US4588407 Hollow fiber coated with fat soluble vitamin |
05/09/1986 | WO1986002575A1 Permselective hollow yarn membrane, method of producing the same, method of separating plasma components, and plasma component separator |
05/07/1986 | EP0180052A1 Hollow fiber membrane and method for manufacture thereof |
04/30/1986 | EP0179474A2 Gas separation membrane and process for preparing it |
04/29/1986 | CA1203682A1 Semi-permeable membrane storage solutions |
04/29/1986 | CA1203655A1 Method for manufacture of hollow fiber |
04/24/1986 | WO1986002282A1 Microporous membranes of ultrahigh molecular weight polyethylene |