Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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)
12/1998
12/09/1998EP0881957A1 Method for forming dendritic metal particles
12/09/1998EP0766715B1 A barrier material comprising a thermoplastic and a compatible cyclodextrin derivative
12/08/1998US5847075 Polymer and porous structure
12/08/1998US5846641 Multi-layer membrane composites and their use in hydrocarbon partical oxidation
12/08/1998US5846460 Method of preparing silicon nitride porous body
12/08/1998US5846438 Fibrous web for processing a fluid
12/08/1998US5846428 Method for modifying the surface of a polymer membrane, and a membrane thus modified
12/08/1998US5846427 Extra-lumenal crossflow plasmapheresis devices and method of use thereof
12/08/1998US5846422 Large pore synthetic polymer membranes
12/03/1998WO1998053894A1 Non-porous gas permeable membrane
12/03/1998DE19722902A1 Porous solid inorganic body
12/03/1998DE19722901A1 Porous solid inorganic body used in separation processes
12/02/1998EP0880487A1 Separation process in which a membrane is used
12/02/1998EP0880401A1 Method of treating polyamide membranes to increase flux
12/02/1998EP0880400A1 Composite membrane with a support membrane made, in particular of microporous material
12/02/1998EP0880399A1 Self supporting hollow fiber membrane and method of construction
12/02/1998EP0880394A2 Compounds for the sorption of gases
12/02/1998EP0772484A4 Fibrous web and process of preparing same
12/01/1998US5843358 Process for producing a steam-sterilizable porous polyolefin membrane and polyethylene membrane steam-sterlizable at 134° C.
11/1998
11/26/1998WO1998052732A1 Method for producing polymer electrolyte membrane and fuel cell
11/26/1998WO1998052683A1 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
11/26/1998CA2291147A1 Method for producing polymer electrolyte membrane and fuel cell
11/25/1998EP0879635A1 Device for filtering a fermented liquid
11/25/1998EP0869835A4 Leukocyte filtration method and apparatus
11/25/1998CN1199649A Pre-treatment method of coating material
11/24/1998US5840775 Contacting with a fluid which penetrates and swells but does not dissolve or eliminate viscoelastic memory; cooling; removing absorbed fluid
11/24/1998US5840235 Melt kneading with a hydrocarbon plasticizer, forming a high viscosity blends, forming a fabric sheet, solvent extraction to remove plasticizer, stretching the film, heating
11/24/1998US5840192 Single-film membrane, process for obtaining it and use thereof
11/24/1998US5840190 Incorporating functional groups into polymer membranes for immobilization of bioactive molecules
11/24/1998US5840098 Membrane generators having high flexibility
11/24/1998US5839467 Fluid flow regulator
11/19/1998WO1998051776A1 Method for producing cold-filtered beer
11/19/1998WO1998051403A1 Process for making surface modified porous membrane with perfluorocarbon copolymer
11/19/1998WO1998051399A1 Apparatus and method for performing membrane gas/liquid absorption at elevated pressure
11/18/1998EP0878233A2 Method of coating materials with a zeolite-type substance
11/18/1998CN1199276A Method and apparatus for controlling servomotor in two inertial systems
11/17/1998US5837365 Hydrophilic polypropylene membranes
11/17/1998US5837339 Modified cyclodextrin coating
11/17/1998US5837125 Supplying oxygen-consuming gas to permeate zone to lower oxygen partial pressure so that oxygen of higher partial pressure contained in feed zone is driven across permselective separation membrane
11/17/1998US5837032 Polymer separators for gases
11/12/1998WO1998050597A1 Porous medium and method of preparing same
11/12/1998WO1998050332A1 Separation of co2 from unsaturated fluorinated compounds by semipermeable membrane
11/12/1998WO1998050136A1 Surface modified porous membrane and process
11/11/1998EP0876198A1 Method and device for removing iron from aqueous liquids
11/11/1998EP0876195A1 Method of filtering the organic solutions arising in the production of circuit boards
11/10/1998US5834583 Block copolymers
11/10/1998US5834528 Polytetrafluoroethylene porous composite film
11/10/1998US5834523 Porous sheet impregnated with trifluorostyrene-based polymer which may contain ion exchange moieties
11/10/1998US5834107 Formed from casting polymer solutions or dispersions; isotropic; highly asymmetric; microfiltration
11/10/1998US5833854 Having water soluble polymer layer; reverse osmosis, desalination
11/05/1998WO1998049224A1 Method for producing cellulosed formed parts
11/05/1998WO1998048927A1 Article of manufacture including a surface modified membrane and process
11/05/1998WO1998048921A1 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas
11/05/1998WO1998030318A3 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof
11/05/1998CA2258122A1 Method for producing cellulosed formed parts
11/04/1998EP0874788A1 Hollow microfiber of ceramic material, a process for its manufacture and its use
11/04/1998EP0874683A1 Extra-lumenal crossflow plasmapheresis devices
11/03/1998US5830554 Method of producing of microporous polyolefin membrane
11/03/1998US5830502 Solvent-free housing
11/03/1998US5830360 Water purification
11/03/1998US5830340 Electric potential to control migration
11/03/1998US5830261 Assembly for deaeration of liquids
11/03/1998CA2171298C Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
10/1998
10/28/1998EP0874277A1 Method of treating a photographic processing solution
10/28/1998EP0873780A1 Novel separative membrane and method for using this membrane
10/28/1998EP0873176A1 Molecular sieves and processes for their manufacture
10/27/1998US5827569 Filling porous ceramic membrane with vaporized source of silica, thermally decomposing to deposit in pores and coat outer surface of membrane; selective permeability
10/22/1998WO1998046648A1 Interactive system for substance presentation and elimination
10/22/1998WO1998046325A1 Microfabricated filter and capsule formed by substrates
10/22/1998DE19742439C1 Fluid micro-filter
10/22/1998DE19729456C1 Porous organic polymer membrane used for micro-filtration and ultrafiltration
10/21/1998EP0872278A1 Electrosorption membrane
10/21/1998EP0871586A1 Molecular sieves and process for their manufacture
10/21/1998EP0871540A2 Gel composition containing carbonaceous compound
10/21/1998EP0871539A1 Tangential flow planar microfabricated fluid filter
10/20/1998US5824617 Porous and nonporous substrates and a polycrystalline layerof zeolit; immersing substrate into synthesis mixture,autoclaving, washing; separation of dyes from alcohol and oligomers from hexane
10/20/1998US5824220 Ceramics
10/15/1998WO1998045358A1 Process for producing microporous polyolefin film
10/15/1998WO1998045352A1 LINEAR ALTERNATING FUNCTIONALIZED α-OLEFIN/CO-COPOLYMERS AND THEIR USE IN PREPARING ION-SELECTIVE MEMBRANES
10/15/1998WO1998045029A1 Method for producing beer
10/15/1998DE19715504A1 PMMA-Membranen mit Polyethylenglykol-gekoppelten Wirksubstanzen PMMA membranes with polyethylene glycol-coupled active substances
10/15/1998CA2286267A1 Method for producing beer
10/14/1998EP0870341A1 Blend membranes based on sulfonated poly(phenylene oxide) for enhanced polymer electrochemical cells
10/14/1998EP0869932A1 Synthesis of preceramic polymer-stabilized metal colloids and their conversion to microporous ceramics
10/14/1998EP0869835A1 Leukocyte filtration method and apparatus
10/14/1998EP0640007B1 Hydrophilic microporous polyolefin membrane
10/14/1998EP0541578B1 Polymerisable porphyrins
10/13/1998US5820992 Silicon containing polyarylates
10/13/1998US5820755 Filter unit comprising cellulose nitrate membrane which selectively adsorbs blood leukocytes without being clogged by proteins
10/13/1998US5820659 Multicomponent or asymmetric gas separation membranes
10/08/1998DE19714031A1 Lineare alternierende funktionalisierte alpha-Olefin/CO-Copolymere und deren Verwendung für die Herstellung von ionenselektiven Membranen Linear alternating functionalized alpha olefin / CO copolymers and their use for the preparation of ion-selective membranes
10/07/1998CN1195315A Microporous membrane with stratified pore structure created in situ and process
10/07/1998CN1195205A Solid electrolyte membrane with mechanically-enhancing and porous catalytically enhancing constituents
10/06/1998US5817597 Compositions capable of operating under high oxygen partial pressures for use in solid-state oxygen producing devices
10/06/1998US5817272 Process for making a biocompatible porous holllow fiber
10/06/1998US5817165 Fluorine-containing polyimide gas separation membrane and method of manufacturing the same
09/1998
09/30/1998CN1194179A Chemical modification of microporous nylon film and preparation of affinity film with histidine ligand
09/29/1998US5814405 Microporous membranes with high strength
09/29/1998US5814272 Method for forming dendritic metal particles
09/24/1998WO1998041394A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
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