Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
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)
11/1993
11/25/1993WO1993023153A1 Supported microporous membranes
11/25/1993CA2135649A1 Thin-film composite membrane
11/24/1993EP0570826A1 Cellulose acetate membrane
11/24/1993EP0570384A1 Back flushable filtration device and method of forming and using same.
11/24/1993CN1078661A Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
11/24/1993CN1022804C Preparation process of polypropylene hollow fiber microporous membrane
11/23/1993US5264165 Process of making polytetramethylene adipamide or nylon 46 membranes
11/23/1993US5264162 Process for manufacturing porous tubes of high permeability made from carbon-carbon composite material, and their application
11/23/1993US5264131 Forming a liquid membrane of oxygen permeable liquid on a support layer made of a hydrobic porus material, contacting one end of membrane with oxygen and other with aqueous liquor
11/23/1993CA1324470C Porous hollow fiber membrane, method for production thereof, and oxygenator using the hollow fiber membrane
11/17/1993CN2146299Y Multi-layer flat membrane filter
11/17/1993CN1078410A Rectifying dialyzer, membrane and process
11/16/1993US5262451 Multifunctional thrombo-resistant coatings and methods of manufacture
11/16/1993US5261977 Method of fabrication free-standing thin films of polyimide
11/16/1993US5261870 Separation barrier with plugged pores
11/11/1993WO1993022360A1 Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range
11/11/1993WO1993022034A1 Polyvinylidene fluoride microporous membrane and method
11/11/1993WO1993022029A1 Method and device for treating a parenteral emulsion-containing medicament fluid
11/10/1993EP0569229A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood
11/09/1993US5260360 Olefin polymer, processing aid
11/09/1993US5259950 Active layer with polyphenylenesulfide sulfone porous coating
11/06/1993CA2095423A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood
11/03/1993EP0568045A1 Polysulfone-based hollow fiber membrane and process for manufacturing the same
11/02/1993US5258203 Reverse osmosis polyamide membranes
11/02/1993US5258202 Perfluorosulfonic acid polymer coated on interior of polypropylene fiber
11/02/1993US5258149 Process of making a membrane for high efficiency removal of low density lipoprotein-cholesterol from whole blood
11/02/1993CA1323855C Filtration media with low protein adsorbability
11/02/1993CA1323845C Membrane filtration apparatus and method of making a membrane filtration unit
10/1993
10/30/1993CA2074692A1 Filter for parenteral systems
10/26/1993US5256288 Filtration medium including substrate-supported porous membrane and method for the manufacture thereof
10/26/1993CA1323475C Treatment of permeable membranes
10/26/1993CA1323474C Composite membranes, processes for their preparation and their use
10/20/1993EP0566097A1 Process for forming porous polymeric product from a nonporous polymeric composition and product
10/20/1993EP0566046A1 Patterned porous polymeric product and process
10/20/1993EP0341280B1 Process for removing hazardous substances from water or air
10/19/1993US5254261 Water permeable polyimides or polyamideimides
10/19/1993US5254251 Membrane for the separation of liquid mixtures by pervaporation
10/19/1993US5254143 Diaphragm for gas-liquid contact, gas-liquid contact apparatus and process for producing liquid containing gas dissolved therein
10/19/1993CA1323271C Membrane-type artificial lung and method of using it
10/14/1993WO1993019840A1 Deposition process
10/14/1993CA2132969A1 Deposition process
10/13/1993EP0447486B1 Defect-free ultrahigh flux asymmetric membranes
10/12/1993US5252719 Process for preparing protein-oriented membrane
10/12/1993US5252222 Synthetic microporous polymeric structure
10/12/1993US5252212 Semipermeable membrane of polyphosphazene
10/07/1993DE4234816C1 Microporous membrane - is reinforced with fabric of core-mantle fibres thermally bonded without adhesives
10/07/1993DE4210413A1 Membrane filter for sepn. of poly-dispersions into continuous and dispersed phases - is a bonded powder mass on a carrier support grid providing high mechanical strength etc., useful for sepg. fluids contg. particle or oil matter
10/06/1993EP0564053A2 Blood cleaning method
10/05/1993US5250240 Melt blend solution consisting of polyolefin and diluent
10/05/1993CA1322764C Dehydration of organic oxygenates
10/05/1993CA1322636C Heterogeneous membranes from highly filled thermoplastic, orientable polymers
09/1993
09/30/1993WO1993019115A1 Super porous polysaccharide gels
09/29/1993EP0562303A2 Chemical valve
09/29/1993EP0505502B1 Dry high flux semipermeable membranes
09/29/1993CN2142751Y Device for cohering bundle of hollow fibers
09/23/1993DE4305979A1 Chemical responsive valve used e.g. as release means for medicaments - has polymer matrix with variable permeability responding to ambient conditions
09/22/1993EP0561759A1 Supported liquid membrane and separation process employing same
09/21/1993US5246587 Interfacially synthesized reverse osmosis membranes and processes for preparing the same
09/16/1993WO1993018219A1 Coated fibers
09/16/1993WO1993017780A1 Tubular module for filtration at tangential passage of mixture to be separated
09/15/1993EP0453473B1 Support for selective immuno-purification of a liquid and process for treating said support
09/15/1993CN1076138A Filtor and units of same
09/15/1993CN1022104C Process for separation of carbon dioxide
09/14/1993US5244799 Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate
09/14/1993US5244578 Blood plasma-separating membrane and blood plasma separator using the membrane
09/08/1993EP0338074B1 Treatment of permeable membranes
09/07/1993US5242793 Crosslinked reaction product of albumin, croslinking agent, and chitosans; environment, food and medical analysis
09/07/1993US5242636 Method of making a multilayer capillary membrane
09/07/1993CA1321931C Composite membranes, their manufacture and their use
09/01/1993EP0506858B1 New filter media for use in surgical and clean room masks
08/1993
08/31/1993US5240615 Filtration
08/31/1993US5240614 Bioreactor of dual-skinned hollow polymeric membranes with microporous structure secured in enclosure
08/31/1993CA1321689C Process for preparing membranes from tetrahalobisphenol polycarbonates
08/31/1993CA1321687C Process and dope for forming asymmetric gas separation membranes having graded density skins
08/31/1993CA1321686C Asymmetric gas separation membranes having graded density skins
08/25/1993EP0556569A2 Composite reverse osmosis membrane and novel acid chloride
08/25/1993EP0556232A1 Composite membrane for facilitated transport processes
08/24/1993US5238735 Microporous shaped article and process for preparation thereof
08/24/1993US5238613 Microporous materials
08/24/1993US5238568 Thickness limited in passage direction of fluid to be treated; contains fine powder dispersion for varying diameter of pores on outer face
08/24/1993US5238471 Spray deposition as aerosol on microporous substrate, annealing, rendered defect-free
08/24/1993CA1321554C Immunoassay filter and test device containing same, with flow-delaying polymer
08/24/1993CA1321451C Method for production of hollow fiber membrane
08/24/1993CA1321450C Bipolar membranes and methods of making same
08/19/1993WO1993016176A1 Immobilization of chemical species in crosslinked matrices
08/18/1993EP0243404B1 Method for confining a catalyst in multiphase membrane reactor systems
08/18/1993CN1021828C Continuous prepn. of ion exchange membrane used for different phase
08/17/1993US5236644 Process of making membrane for removal of low density lipoprotein-cholesterol from whole blood
08/17/1993US5236588 Asymmetric polymer membrane and preparation thereof
08/17/1993CA1321358C Treatment of water
08/10/1993US5234598 Reaction product of an N-alkyl phenylenediamine and aromatic polyacyl chloride on support; interfacial polymerization; for desalination of water
08/10/1993US5234597 Selective extraction of aromatic hydrocarbons from a mixture with non-aromatic hydrocarbons
08/10/1993US5234594 Nanochannel filter
08/10/1993US5234593 Filter for purification of platelets
08/10/1993US5234538 Pores etched along beam tracks
08/10/1993CA1321153C Process for separating methane using permeable membrane
08/04/1993EP0300038B1 Microporous asymmetric polyfluorocarbon membranes
08/03/1993US5232642 Melt spinning, annealing
08/03/1993US5232601 Made-up of polysulfone; useful for hemodialysis treatment
08/03/1993US5232597 High degree of fibrillation on outer surface
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