Patents
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)
09/1996
09/26/1996DE19510437A1 Membrane for micro- or ultra-filtration of suspensions or gases
09/25/1996EP0733169A1 Micromachined filters and flow regulators
09/25/1996EP0670751A4 Improved sensor membranes.
09/24/1996US5558936 Polyimide fibers coated with polyvinylpyridine
09/24/1996US5558776 Separation of alkanols by pervaporation
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
09/18/1996EP0732142A2 Control of dissolved gases in liquids
09/18/1996EP0731727A1 Polyhydroxybutyrate and polyphosphate membranes with channels
09/18/1996EP0683687A4 Leukocyte removal method and filter unit for same.
09/17/1996US5556449 Acid gas fractionation process for fossil fuel gasifiers
09/12/1996WO1996027614A1 Surface modified affinity separation 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
09/11/1996CN1130543A Improved production of multilayer composite membranes
09/05/1996DE19543055A1 Large pore synthetic polymer membranes
09/04/1996EP0729379A1 Hydrophilic compositions with increased thermal and solvent resistance
09/04/1996EP0729374A1 Phase separation apparatus
09/04/1996CN1130360A Improved ULPA filter
09/03/1996US5552053 Film for removal of polar organic compounds from aqueous waste stream in presence of inorganic salts
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
08/22/1996DE19604573A1 Membran/Träger-Anordnung Membrane / carrier assembly
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
08/20/1996US5547551 Ultra-thin integral composite membrane
08/15/1996WO1996024427A1 High temperature, chemical resistant laminate for filtration systems
08/15/1996CA2160282A1 Supported membrane assembly
08/14/1996EP0725671A1 Membrane and non-membrane sour gas treatment process
08/14/1996CN1032517C Filter and units of same
08/07/1996EP0541578A4 Polymerisable porphyrins
08/07/1996CN1128176A Polyvinylidene fluoride hollow fibre porous membrane manufacturing method
08/06/1996US5543045 Charge mosaic membrane and production process thereof
08/06/1996CA1338504C Filter medium for cake-forming filtration processes
08/01/1996WO1996022829A1 Inorganic porous support for a filtration membrane and manufacturing process
07/1996
07/31/1996CN1127996A Large pore synthetic polymer membranes
07/30/1996US5540277 Method for improving heat and mass transfers toward and/or through a wall
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
07/17/1996EP0721479A1 Polymer membrane having a high permeability for alkanol
07/17/1996EP0721365A1 Ulpa filter
07/16/1996US5536413 Filtration
07/10/1996EP0720628A1 Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
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
07/04/1996CA2208455A1 A strong water-permeable thin composite membrane
07/03/1996EP0719581A2 Improved production of multilayer composite membranes
07/02/1996US5531899 Anionic copolymer of ethylenediphosphonic acid
07/02/1996US5531893 Inter-penetrating network charge modified microporous membrane
06/1996
06/26/1996EP0718901A1 Shutdown, trilayer battery separator
06/26/1996EP0718031A1 Composite hydrogen separation element and module
06/26/1996EP0718030A2 Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same
06/26/1996EP0718029A2 Method for producing highly permeable composite reverse osmosis membrane
06/25/1996US5529690 Formation of porous materials
06/20/1996WO1996018456A2 Gel composition containing carbonaceous compound
06/20/1996WO1996018445A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
06/20/1996CA2207417A1 Gel composition containing carbonaceous compound
06/20/1996CA2162084A1 Composite hydrogen separation element and module
06/19/1996EP0716859A2 Module for blood purification blood purification, membrane and its production
06/19/1996EP0716625A1 Method of removing filling fluid and other soluble residues from the bore cavity of hollow fibres
06/19/1996CN1032043C Polysulfone-based hollow fiber membrane and process for manufacturing the same
06/19/1996CN1032042C Interfacially synthesizd reverse osmosis membranes and process for preparing same
06/18/1996US5527569 Conductive filter laminate
06/18/1996US5527467 Bioreactor comprising plurality of dual-skinned hollow polymeric membranes having microporous structure between walls and different sieving coefficients in opposite directions, secured in enclosure
06/13/1996WO1996017675A2 Method of treating membranes
06/12/1996EP0715540A1 Membranes prepared from crosslinkable soluble polymers
06/12/1996EP0555329B1 Articles having a hydrophilic polymeric shell and method for preparing same
06/05/1996EP0485393B1 Membrane for extracting unsaturated hydrocarbons and process for obtaining it
06/05/1996DE4442763A1 Sepn. layers for membranes for concn. of oxygen from air
06/04/1996US5523003 Method of introducing hydrogen into aqueous liquids without forming bubbles
06/04/1996US5522991 Microporous base resistant substrate
05/1996
05/30/1996WO1996015847A1 Method for surface-modifying a polymeric membrane, and resulting membrane
05/29/1996EP0713840A1 Process for preparing metal halides by the sol-gel method
05/29/1996EP0713364A1 Microporous polymeric foams and microtextured surfaces
05/29/1996CN1123193A Hydrogen recovery by adsorbent membranes
05/23/1996WO1996014890A1 Hollow-filament plasma-filtering membrane and plasma-filtering module
05/22/1996EP0630281B1 Pleated poly(tetra-fluoro ethylene) filter medium and support
05/22/1996EP0567547B1 A smoke filter
05/22/1996CN1123007A A method for concentrating a solute with an oscillating filtration device
05/21/1996CA1338335C Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
05/15/1996EP0711202A1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same
05/15/1996EP0711199A1 Composite membranes and their preparation from polymer particles on a porous substrate
05/15/1996DE4430148A1 Sepn. of pure solvent from fluid mixt.
05/15/1996CN1031785C Producing method for polysulphone-titanium microporous complex ultrafiltering membrane
05/14/1996US5516561 Applying a fluoropolymer film to a body
05/09/1996DE4439841A1 Thin film with fine, even microstructure for ultrafiltration or catalytic membranes
05/07/1996US5514461 Asymmetrical structure, excellent mechanical strength, narrow range of pore diameter distribution
05/07/1996US5514413 Process for producing composite membranes
05/07/1996US5514276 Permselective hollow fiber fluid separation membranes having plasma-polymerized lumen-side coatings
05/02/1996WO1996012554A1 Tenside-containing diaphragms for pervaporation
05/02/1996DE4437869A1 Tensidhaltige Membranen für die Pervaporation Surfactant membranes for pervaporation
05/01/1996EP0642381B1 Filtration fabric laminates
04/1996
04/30/1996US5512263 Method for chemical synthesis employing a composite membrane
04/24/1996EP0637986A4 Method and device for treating a parenteral emulsion-containing medicament fluid.
04/24/1996EP0546056B1 Membranes having selective permeability
04/24/1996CN1031623C Oxygen-separating porous membranes