Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
09/1996
09/25/1996EP0733169A1 Micromachined filters and flow regulators
09/25/1996EP0670751A4 Improved sensor membranes.
09/24/1996US5558936 Polyimide fibers coated with polyvinylpyridine
09/24/1996US5558698 Removing carbon dioxide and hydrogen sulfide from natural gas, absorption, membrane fractionation, fixing sulfur
09/19/1996WO1996028501A1 Porous ptfe film and a manufacturing method therefor
09/19/1996WO1996028242A1 Composite membrane
09/19/1996WO1996028236A1 Filtration monitoring and control system
09/18/1996EP0732306A1 Novel compositions capable of operating under high carbon dioxide partial pressures for use in solid-state oxygen producing devices
09/18/1996EP0732305A1 Novel compositions capable of operating under high oxygan partial pressures for use in solid-state oxygen producing devices
09/18/1996EP0732143A1 Fluid separation membranes prepared from blends of polyimide polymers
09/18/1996EP0732138A2 Planar solid-state membrane module
09/18/1996EP0731820A1 Aromatic polysulphones
09/18/1996EP0683687A4 Leukocyte removal method and filter unit for same.
09/17/1996US5556449 Acid gas fractionation process for fossil fuel gasifiers
09/12/1996WO1996027430A1 Silicone composite membrane modified by radiation-chemical means and intended for use in ultrafiltration
09/12/1996WO1996027429A1 Improved membrane
09/12/1996DE19507584A1 Strahlenchemisch modifizierte Silikonkompositmembran für die Ultrafiltration Radiation Chemically modified Silikonkompositmembran for ultrafiltration
09/12/1996CA2212526A1 Improved membrane
09/11/1996EP0730490A1 A composite structure and a method for forming same
09/11/1996EP0608366B1 Oil, water and sweat repellent microporous articles, in particular membranes
09/10/1996US5554292 Permselective membrane of polyacrylonitrile copolymer and process for producing the same
09/10/1996US5554286 Membrane for liquid mixture separation
09/06/1996WO1996026971A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same
09/06/1996WO1996026784A1 Membrane process for treatment of chlorine-containing gases
09/06/1996CA2213821A1 Membrane process for treatment of chlorine-containing gases
09/05/1996DE19507104A1 Anionenaustauschende Formkörper und Verfahren zu deren Herstellung Anion-exchanging molding and process for their preparation
09/04/1996EP0729381A1 A method for separation and synthetic polymers that can be used as separation media in the method
09/04/1996EP0729380A1 Hydrophilic compositions with increased thermal resistance
09/04/1996EP0729379A1 Hydrophilic compositions with increased thermal and solvent resistance
09/04/1996EP0729374A1 Phase separation apparatus
09/04/1996CN1130360A Improved ULPA filter
09/04/1996CN1130096A Membrane process for the separation of hydrogen with a cascade of membranes of increasing selectivities
09/03/1996US5552054 Composite membrane, its application and process for the dehydration of organic solvents
09/03/1996US5552053 Film for removal of polar organic compounds from aqueous waste stream in presence of inorganic salts
09/03/1996US5552049 Ceramic fiber reinforced filter
09/03/1996CA2094749C Polysulfone-based hollow fiber membrane and process for manufacturing the same
08/1996
08/29/1996WO1996018456A3 Gel composition containing carbonaceous compound
08/28/1996EP0728034A1 Membrane filter and a method of manufacturing the same as well as a membrane
08/28/1996EP0728032A1 Device and process for removing free hemoglobin from blood
08/27/1996US5550199 Membranes
08/21/1996EP0727233A2 Biocompatible material and method of manufacture and use thereof
08/21/1996CN1129456A Composite porous polytetrafluoroethylene membrane
08/20/1996US5547760 Compositions and processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes
08/20/1996US5547756 Porous polypropylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous hollow fiber membranes
08/20/1996US5547575 Grafting with unsaturated monomer using sodium dithionate in aqueous solution
08/20/1996US5547494 Staged electrolyte membrane
08/15/1996WO1996024427A1 High temperature, chemical resistant laminate for filtration systems
08/14/1996EP0725671A1 Membrane and non-membrane sour gas treatment process
08/14/1996EP0640007A4 Hydrophilic microporous polyolefin membrane.
08/14/1996EP0571508B1 Catalyst or membrane precursor systems, catalyst or membrane systems, and method of preparing such systems
08/14/1996CN1032517C Filter and units of same
08/08/1996WO1996023541A1 Method of producing a gas mixture for use in periodic reduced-oxygen training and a device for carrying out said method
08/07/1996EP0724905A2 Biocompatible porous hollow fiber and method of manufacture and use thereof
08/07/1996EP0541578A4 Polymerisable porphyrins
08/07/1996CN1128176A Polyvinylidene fluoride hollow fibre porous membrane manufacturing method
08/07/1996CN1128175A Process and installation for the membrane separation of gas
08/06/1996US5543046 Flattened macroporous support coated with thin membrane layer having etched, shallow channels perpendicular to the layer; antifouling agents
08/06/1996US5543016 Combining reactant with catalytic solid particles having controlled spaces of appropriate size to provide stereochemical control over reaction; fluidized bed reactor; by-product limitation
08/01/1996WO1996022829A1 Inorganic porous support for a filtration membrane and manufacturing process
07/1996
07/31/1996EP0723799A1 Porous ceramic filter
07/31/1996EP0637998B1 Fluid handling in microfabricated analytical devices
07/31/1996EP0637990B1 Membrane based on graft copolymers
07/31/1996CN1127996A Large pore synthetic polymer membranes
07/31/1996CN1127674A Membrane stack medium and casing of microporous affinity membrane separator for biological macromolecule purifying
07/31/1996CN1127672A Process and installation for the production of a high purity gas by a cascade of membranes of different selectivities
07/25/1996WO1996022260A2 Separation of linear from branched hydrocarbons
07/25/1996DE19600954A1 Composite membrane with increased permeability for selective removal of acidic gas
07/24/1996EP0722541A1 Micromachined flow switches
07/24/1996EP0722540A1 Micromachined fluid flow regulators
07/24/1996CN1127235A Oxygen permeable mixed conductor membranes
07/23/1996US5538666 Acetylenic polymers, polythiophenes; membranes
07/23/1996US5538536 Process and apparatus for separation of a gaseous mixture by successive membranes of different selectivities
07/23/1996US5538535 Membrane process for treatment of chlorine-containing gas streams
07/17/1996EP0721479A1 Polymer membrane having a high permeability for alkanol
07/17/1996EP0721365A1 Ulpa filter
07/16/1996US5536408 Hydrophilic, asymmetric, chemically-resistant polyaramide membrane
07/10/1996EP0720628A1 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
07/10/1996CN1032242C Reactive treatment of composite gas separation
07/09/1996USRE35292 Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media
07/09/1996US5534471 Multilayer membrane with metal oxidelayer on a surface coated with catalyst
07/09/1996US5534150 Selectively-permeable membrane and the use thereof
07/09/1996US5534149 Method of separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone method for the production of hydrogen peroxide
07/09/1996US5534146 Laser irradiation polymerization of maleic anhydride, maleimide, and n-vinyl-2-pyrrolidone in liquid mixture wetted onto membrane sheet
07/04/1996WO1996020040A1 A strong water-permeable thin composite membrane
07/04/1996WO1996020037A1 Porous ceramic filter, method of manufacturing the same, extrusion molding die for manufacturing the same, and extrusion molding machine using the same
07/04/1996WO1996010453A3 A filter, apparatus including the filter and a method of use of the apparatus
07/04/1996CA2208455A1 A strong water-permeable thin composite membrane
07/03/1996EP0639223B1 Microfabricated sperm handling devices
07/03/1996CN1125635A Modified polysulphone super-filter membrane and its preparation and application
07/03/1996CN1125634A Cellulose microporosity filter membrane and its preparation and application
07/02/1996US5531900 Modification of polyvinylidene fluoride membrane and method of filtering
07/02/1996US5531893 Inter-penetrating network charge modified microporous membrane
07/02/1996CA2093518C Dioxole/tfe copolymer composites
06/1996
06/26/1996EP0718901A1 Shutdown, trilayer battery separator
06/26/1996EP0718313A2 N-cyanomethylated chitosan and hydrolysis products thereof
06/26/1996EP0718031A1 Composite hydrogen separation element and module
06/26/1996EP0718029A2 Method for producing highly permeable composite reverse osmosis membrane
06/25/1996US5529690 Formation of porous materials
06/20/1996WO1996018761A1 Process for producing cellulosic moldings
06/20/1996WO1996018456A2 Gel composition containing carbonaceous compound