B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor

Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
12/1997
12/16/1997	US5698281 Polyolefin polymer and asymmetric polymeric polysulfone
12/16/1997	US5698105 Reverse osmosis membrane comprising sulfonated aromatic polyether sulfone support membrane laminated to layer of polyol crosslinked by formaldehyde or precursor thereof
12/16/1997	US5697153 Method for manufacturing a fluid flow regulator
12/16/1997	CA2098684C Composite porous carbonaceous membranes
12/16/1997	CA2086759C Microporous membrane, method of manufacture, and method of use
12/16/1997	CA2077490C Integrity-testable wet-dry-reversible ultra-filtration membranes and method for testing same
12/16/1997	CA1339585C Dihydroxydiphenyl cycloalkanes, their production and their use for the production of high molecular weight polycarbonates
12/11/1997	WO1997046306A1 Method for filtering a three-phased reaction mixture
12/11/1997	DE19622338A1 Modifying thermoplastic polymers insoluble in organic dispersants
12/10/1997	EP0811421A1 Novel sulfonated polyimide gas separation membranes
12/10/1997	CN1167006A SAPO-34/metal or ceramic catalyzing composite material and preparation thereof
12/10/1997	CN1167005A SAPO-34/ceramic composite separation film and preparation thereof
12/09/1997	US5696217 Synthesis of microporous ceramics by ammonia pyrolysis of ceramic precursors
12/09/1997	US5695818 Contacting membrane with gas stream containing pyrolysable carbon molecules larger than pore size of the hollow fibers while heating for pyrolysis, then purging and cooling improves permselectivity in gas separation
12/09/1997	US5695702 Thermoplastic hollow fiber membrane module and method of manufacture
12/09/1997	US5695640 Hydrophobic substrate coated on at least one external surface and on the internal surface with a polyamide
12/09/1997	US5695545 Microporous membrane contactor with nucleated polyolefin hollow fiber membrane having good dimensional stability
12/03/1997	CN1166373A Process for preparation of porous material and porous material
12/02/1997	US5693740 Sulfonated aromatic polyether sulfone polymers; separation membranes
12/02/1997	US5693694 Low and medium flux membranes
12/02/1997	US5693231 Hydrophilic, alcohol-insoluble polyamide; heat and chemical resistance
12/02/1997	US5693227 Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such method
12/02/1997	US5693212 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions
12/02/1997	US5693210 Method of manufacturing porous alumina tube
11/1997
11/27/1997	WO1997044121A1 Membrane separation of components in a fluid mixture
11/26/1997	EP0808655A1 Molecular sieve layers and processes for their manufacture
11/26/1997	EP0808648A1 Porous polytetrafluoroethylene membrane, process for producing the same and its use as air filter material
11/26/1997	EP0808207A1 High temperature, chemical resistant laminate for filtration systems
11/26/1997	CN1166141A V. G. Karachevtsev, V. P. Dubyaga, N. V. Amelina et al. (RU)
11/26/1997	CN1165710A Inorganic film household water purifier
11/25/1997	US5691077 Shutdown, trilayer battery separator
11/25/1997	US5690870 Method of manufacturing a polyimide-type gas permeation membrane including fluorine
11/20/1997	WO1997043633A1 Electrochemical biosensors
11/20/1997	WO1997043038A1 Interfacially synthetized reverse osmosis membranes based on 4-chloro-1,3-diaminobenzen, and production process
11/20/1997	WO1997043024A1 Liquid chromatography column
11/20/1997	CA2255048A1 Liquid chromatography column
11/19/1997	EP0807460A1 Cellulosic dialysis membrane
11/19/1997	EP0757589A4 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/19/1997	EP0536297B1 Process and apparatus for removal of dna and viruses
11/18/1997	US5688347 Process for making a ceramic hot gas filter
11/13/1997	DE19617830A1 Production of polyamide-imide by direct polymerisation
11/12/1997	EP0806237A2 Degassing liquids apparatus and method
11/12/1997	CN1164523A Palladium-ceramic composite film and nitrogen rich film coupling making catalytic dehydrogenation reaction
11/12/1997	CN1164436A Method for preparation of extra-thin palladium-ceramic compound film
11/11/1997	US5685991 Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
11/10/1997	CA2203051A1 Degassing liquids: apparatus and method
11/06/1997	WO1997041612A1 Stable high conductivity functionally gradient compositionally layered solid state electrolytes and membranes
11/06/1997	WO1997041168A1 Integral multi-layered ion-exchange composite membranes
11/06/1997	WO1997041060A1 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them
11/06/1997	WO1997040914A1 Method of manufacturing thin metal membranes
11/06/1997	WO1997040906A1 Pour-through and pitcher mounted water filter
11/06/1997	CA2253203A1 Pour-through and pitcher mounted water filter
11/05/1997	EP0804961A1 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it
11/05/1997	EP0804795A1 Separation of gases
11/05/1997	EP0804310A1 Process for the production of porous membranes
11/05/1997	EP0804269A1 Conductive filter laminate
11/04/1997	US5684192 Polymerized to ion exchange resins with sulfonate groups, solid electrolytes, fuel cells
11/04/1997	US5683797 Inorganic membranes
11/04/1997	US5683584 Hollow fiber membranes and method of manufacture
11/04/1997	CA2068403C Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures
10/1997
10/29/1997	EP0803533A2 Process for the preparation of porous material
10/29/1997	EP0803280A2 Gas exchange apparatus
10/29/1997	EP0803259A1 Gas exchange apparatus using improved silicone rubber hollow fiber
10/28/1997	US5681657 Biocompatible porous hollow fiber and method of manufacture and use thereof
10/28/1997	US5681468 Filter coated with antimicrobial material
10/28/1997	US5681373 Separating oxygen from gas mixture
10/22/1997	EP0801973A1 Selectively permeable hollow fiber membrane and process for producing same
10/21/1997	US5679133 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/16/1997	WO1997037752A1 Improved membrane
10/16/1997	CA2249003A1 Improved membrane
10/15/1997	EP0695215B1 Process for the manufacture of molecular sieve layers
10/14/1997	US5677360 Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them
10/14/1997	US5677031 Porous fused polytetrafluroethylene structure consisting of sheet of particles fused together to form interconnected network
10/09/1997	WO1997036954A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997	WO1997036953A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997	WO1997036952A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997	DE19613484A1 Biodegradable gas separation membrane with high selectivity for carbon di:oxide permeation
10/09/1997	CA2250463A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997	CA2250456A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997	CA2250455A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/08/1997	EP0799087A1 A strong water-permeable thin composite membrane
10/08/1997	CN1036052C Cation exchanging membrane and its mfg. method
10/07/1997	US5674919 Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same
10/07/1997	US5674629 Homo- and copolymers of 4,4'-hexafluoroisopropylidene/bisphthalic acid and a metadiaminobenzene having a dense skin and porous substructure; hollow fiber membranes; heat resistance
10/07/1997	US5674398 Composite reverse osmosis membrane
10/02/1997	WO1997035906A1 High water content porous polymer
10/02/1997	WO1997035905A1 Process for manufacture of a porous polymer by use of a porogen
10/02/1997	WO1997035904A1 Process for manufacture of a porous polymer from a mixture
10/02/1997	CA2248162A1 Process for manufacture of a porous polymer from a mixture
10/02/1997	CA2248003A1 Process for manufacture of a porous polymer by use of a porogen
10/01/1997	EP0798036A2 Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same
10/01/1997	EP0797695A1 Process for producing cellulosic moldings
10/01/1997	EP0797472A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
10/01/1997	CN1161030A Zeolites and processes for their manufacture
09/1997
09/30/1997	US5672388 Membrane reparation and poer size reduction using interfacial ozone assisted chemical vapor deposition
09/25/1997	WO1997034948A1 Low and medium flux membranes
09/25/1997	DE19610303A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc.
09/24/1997	EP0796885A2 Molded products having selective gas permeability, films thereof, and methods for their manufacture
09/24/1997	EP0796649A1 Process for preparing polyether ether ketone membrane
09/24/1997	EP0796648A1 Hydrophilic film and process for producing the same

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