Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
12/1993
12/14/1993US5269902 Ion-conducting module having axially-arranged solid state electrolyte elements
12/14/1993US5269822 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs barium-containing ion transport membranes
12/14/1993CA1325142C Tetrakis-amido high flux membranes
12/14/1993CA1325086C Macroporous, asymmetric, hydrophilic polyaramide membranes
12/09/1993WO1993024421A1 Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes
12/09/1993DE4218568A1 Reusable dialysis membrane for haemodialysis
12/08/1993EP0572910A1 Polysaccharide ether dialysis membrane
12/08/1993EP0299063B1 Hydrophilic article and method of producing same
12/08/1993CN1022982C Improved composite membran of poly (methyl methacrylate) blends, their manufacture and their use
12/08/1993CN1022981C Production of porous filtering film of diacetate cellulose
12/07/1993US5268101 Heat resistance
12/07/1993US5268098 Separation agent comprising aliphatic or aromatic ester of polysaccharide
12/01/1993EP0572274A2 Novel high flux hollow fiber membrane
12/01/1993EP0571997A1 Moisture removal from a wet gas
12/01/1993EP0571871A2 Method for preparing a hydrophilic membrane
12/01/1993EP0571762A1 Process for the separation of a catalyst free work solution from a hydrogenation circulation of the anthraquinone process for the preparation of hydrogen peroxyde
12/01/1993EP0571508A1 Catalyst or membrane precursor systems, catalyst or membrane systems, and method of preparing such systems.
11/1993
11/30/1993US5266542 Synthetic film of zeolite crystal body and method for manufacturing the zeolite film
11/30/1993US5266207 Polyphosphazene
11/30/1993US5266204 Catalytic process
11/30/1993US5266197 Polyamideimide, dialysis
11/30/1993US5266100 Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes
11/30/1993US5265734 Silicon-derived solvent stable membranes
11/30/1993CA2096927A1 Moisture removal from a wet gas
11/30/1993CA2096895A1 Novel high flux hollow fiber membrane
11/30/1993CA1324766C Reverse osmosis apparatus
11/26/1993CA2096766A1 Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide
11/25/1993WO1993023155A1 Thin-film composite membrane
11/25/1993WO1993023154A1 Inorganic membrane for microfiltration, and a process for production of such an inorganic membrane
11/25/1993WO1993023153A1 Supported microporous membranes
11/25/1993CA2135649A1 Thin-film composite membrane
11/24/1993EP0570826A1 Cellulose acetate membrane
11/24/1993EP0570486A1 An inorganic composite membrane comprising molecular sieve crystals
11/24/1993EP0570384A1 Back flushable filtration device and method of forming and using same.
11/24/1993EP0561916A4 Membrane made from multiblock polymer
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
11/23/1993US5264166 Amino-1-(4*-aminophenyl)-1,3,3-trimethylindane and benzophenonetetracarboxylic acid monomers; casting dope solution, evaporation, coagulation, conditioning; dewaxing
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
11/23/1993CA1324470C Porous hollow fiber membrane, method for production thereof, and oxygenator using the hollow fiber membrane
11/18/1993EP0570232A2 Microporous polysulfone supports suitable for removal of low density lipoprotein-cholesterol
11/18/1993EP0570185A2 Hydrogen-permeable composite metal membrane and uses thereof
11/17/1993CN2146299Y Multi-layer flat membrane filter
11/17/1993CN1078410A Rectifying dialyzer, membrane and process
11/16/1993US5262198 Method of producing a carbon coated ceramic membrane and associated product
11/16/1993US5262056 Polyamides and polypyrrolones for fluid separation membranes
11/16/1993US5261977 Method of fabrication free-standing thin films of polyimide
11/16/1993US5261932 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes
11/16/1993CA2094198A1 Hydrogen-permeable composite metal membrane and uses thereof
11/15/1993CA2095424A1 Microporous polysulfone support suitable for removal of low density lipoprotein-cholesterol
11/11/1993WO1993022421A1 Microfabricated sperm handling devices
11/11/1993WO1993022360A1 Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range
11/11/1993WO1993022058A1 Polynucleotide amplification analysis using a microfabricated device
11/11/1993WO1993022055A2 Fluid handling in microfabricated analytical devices
11/11/1993WO1993022054A1 Analysis based on flow restriction
11/11/1993WO1993022053A1 Microfabricated detection structures
11/11/1993WO1993022040A1 Separating membrane made from polyion complex
11/11/1993WO1993022039A1 Hydrophilic microporous polyolefin membrane
11/11/1993WO1993022034A1 Polyvinylidene fluoride microporous membrane and method
11/10/1993EP0569229A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood
11/10/1993EP0568968A2 Blood-treating device, and process for producing the same
11/10/1993EP0568828A2 Hollow fiber membrane for blood purification
11/09/1993US5260360 Olefin polymer, processing aid
11/09/1993US5260353 Hydrophobicity through metal ion activation
11/09/1993US5259957 Anodizing metal substrate; detaching and supporting film; filters; dialysis
11/09/1993US5259950 Active layer with polyphenylenesulfide sulfone porous coating
11/09/1993US5259870 Intermetallic diffusion barrier between base and coating metals; permselectivity
11/09/1993CA1323968C Macroporous polymeric membranes for the separation of polymers and a method of their application
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
11/02/1993US5258339 Formation of zeolite membranes from sols
11/02/1993US5258203 Reverse osmosis polyamide membranes
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
10/28/1993WO1993020930A1 Diaphragm based on graft copolymers
10/28/1993DE4213217A1 Membran auf Basis von Graftcopolymeren Membrane based on graft copolymers
10/27/1993EP0567332A2 Formation of microstructures by multiple level deep X-ray lithography with sacrificial metal layers
10/27/1993EP0566754A1 Heat-resisting porous membrane, hydrophilized heat-resisting porous membrane and production processes thereof
10/27/1993CN1077658A Process for preparation of molecular sieve membrane on porous silicate material surface
10/26/1993US5255427 Ceramic hollow bodies and method of manufacturing such bodies
10/26/1993CA1323475C Treatment of permeable membranes
10/26/1993CA1323474C Composite membranes, processes for their preparation and their use
10/20/1993EP0138841B1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix
10/19/1993US5254261 Water permeable polyimides or polyamideimides
10/19/1993US5254251 Membrane for the separation of liquid mixtures by pervaporation
10/19/1993US5254249 Anti-thrombogenic blood treating system
10/19/1993US5254223 Electrochemical polymerization of poly(oxyphenylene) or poly(oxynaphthylene)
10/19/1993CA1323271C Membrane-type artificial lung and method of using it
10/19/1993CA1323152C Method of manufacturing porous membrane and porous membrane manufactured by the same method
10/19/1993CA1323151C Crosslinked polyetherurethane membranes useful in blood electrolyte sensors
10/19/1993CA1323150C Air dried cellulose acetate membranes
10/14/1993WO1993019841A1 Membrane for separating off small molecules and method for the production thereof
10/14/1993WO1993019840A1 Deposition process
10/14/1993CA2132969A1 Deposition process
10/13/1993EP0447486B1 Defect-free ultrahigh flux asymmetric membranes
10/12/1993US5252212 Semipermeable membrane of polyphosphazene
10/12/1993CA1323127C Solutions of fluoropolymers, and their use
10/09/1993CA2093619A1 Hollow fiber membrane for blood purification