Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
12/1996
12/27/1996EP0749474A1 Microfabricated capsules for isolation of cell transplants
12/27/1996EP0749352A1 Microfabricated particle filter
12/27/1996EP0749351A1 Device for separating mixtures of substances or for purifying substances by pervaporation
12/27/1996EP0341309B1 Porous polypropylene membrane and process for its production
12/27/1996CA2224262A1 Ceramic hot-gas filter and process for manufacturing it
12/24/1996US5587128 Polymerase chain reaction
12/24/1996US5586997 Bag filter
12/19/1996WO1996041368A1 Multilayer high vertical aspect ratio thin film structures
12/19/1996WO1996040510A1 Porous composite
12/19/1996WO1996040421A1 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure
12/19/1996WO1996040420A1 Micromachined porous membranes with bulksupport
12/19/1996WO1996040413A1 Composite metal membrane
12/19/1996WO1996040411A1 Ceramic hot-gas filter and process therefor
12/19/1996WO1996039885A1 Membranes of polyurethane based materials including polyester polyols
12/19/1996WO1996039821A1 Virus inactivating coatings
12/18/1996EP0748650A2 Fluorine-containing polyimide gas separation membrane and method of manufacturing the same
12/18/1996EP0748648A1 Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine
12/18/1996EP0601067B1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same
12/17/1996US5585011 Methods for manufacturing a filter
12/17/1996US5585004 Permeability to organic compound(s) exceeds permeability to chloride ion
12/17/1996CA2037320C Binary concentration and recovery process
12/12/1996WO1996039379A1 Substituted trifluorostyrene compositions
12/12/1996DE19521275A1 Gasdurchlaß mit selektiv wirkender Durchtrittsfläche sowie Verfahren zur Herstellung der Durchtrittsfläche Gas passage with selectively acting passage area and methods of making the passage area
12/11/1996EP0747418A1 Aromatic polyimide and gas separation
12/11/1996EP0747113A2 Polyvinyl alcohol-based hollow fiber membrane and process for producing the same
12/11/1996EP0747106A1 Porous ceramic filter, method of manufacturing the same, extrusion molding die for manufacturing the same, and extrusion molding machine using the same
12/11/1996EP0746582A1 Membrane formed by an acrylonitrile-based polymer
12/11/1996EP0746406A1 Method for surface-modifying a polymeric membrane, and resulting membrane
12/11/1996EP0640008B1 Thin-film composite membrane
12/10/1996US5583240 Exothermic process with porous means to control reaction rate and exothermic heat
12/10/1996US5582907 Filters; tensile strength
12/10/1996US5582735 Removal of organics from a fluid using a permeable membrane
12/10/1996US5582725 Chlorine-resistant composite membranes with high organic rejection
12/05/1996WO1996038216A1 Process of making medical devices
12/04/1996EP0745845A2 Thermal isolation system in an analytical instrument
12/04/1996EP0745424A1 Membranes formed from copolyimides
12/04/1996EP0745423A2 Improved process for making cellulose acetate semipermeable membranes and medical products therefrom
12/04/1996CN1033428C Polytetrafluoroethylene porous film prepn. and use thereof
12/03/1996US5580497 Oxygen ion-conducting dense ceramic
11/1996
11/28/1996WO1996037653A1 Shaped bodies coated, impregnated or covered with a cellulosic composition
11/28/1996WO1996037365A1 Laminate for retaining organic vapours, aerosols and biological active substances
11/28/1996WO1996037282A1 Synthetic separation diaphragm
11/28/1996DE19618920A1 Composite hollow fibres with high permeability and sepn. coefft.
11/27/1996CN1136467A Pressure drived solid electrolyte diaphragm gas separating method
11/21/1996WO1996015269A3 Mesoscale polynucleotide amplification devices
11/21/1996DE19518624C1 Synthetische Trennmembran Synthetic separation membrane
11/20/1996EP0743089A2 Porous polytetrafluoroethylene film and process for preparation thereof
11/20/1996EP0743088A2 Pressure driven electrolytic membrane gas separation method and system
11/20/1996CA2176555A1 Method for the purification of chlorine gas
11/19/1996US5576057 Method of producing high permeable composite reverse osmosis membrane
11/19/1996US5575835 Apparatus for removing moisture from an environment
11/14/1996WO1996035504A1 Hollow-fiber membrane of polysulfone polymer and process for the production thereof
11/14/1996WO1996035503A1 Porous film
11/12/1996US5573668 Hydrophilic microporous membrane for drug delivery devices and method for preparing same
11/06/1996EP0740952A1 Composite microporous polyolefin film and process for producing the same
11/06/1996EP0740951A1 Sterilisable membrane by heat treatment
11/06/1996EP0725671A4 Membrane and non-membrane sour gas treatment process
11/06/1996EP0693961B1 Method for the production of ceramic hollow fibre membranes for microfiltration, ultrafiltration and gas separation
11/06/1996CN1135188A Hydrophilic compositions with increased thermal and solvent resistance
11/06/1996CN1135187A Hydrophilic compositions with increased thermal resistance
11/05/1996US5571891 Aromatic copolyamides, production thereof, formed structures and production thereof
11/05/1996US5571415 Method for preparing porous polymer structures
11/05/1996US5571413 Composite filter material
10/1996
10/31/1996DE19515828A1 Integrated filter and photocatalysis device for removing contaminants from liquids
10/30/1996EP0739925A2 Polysulfone-polyether block copolycondensates
10/30/1996EP0739423A1 Mesoscale polynucleotide amplification devices
10/30/1996EP0739240A1 Mesoscale sample preparation device and systems for determination and processing of analytes
10/30/1996EP0271551B1 Acid decrystallization of higly cristalline chitosan or partially deacylated chitin
10/29/1996US5569633 Ion transport membranes with catalyzed dense layer
10/29/1996CA2175029A1 Polysulphone/polyether block copolycondensates
10/24/1996WO1996022260A3 Separation of linear from branched hydrocarbons
10/23/1996CN1133851A Method for modifying UV graft of substd. polyacetylene gas separating membrane
10/22/1996US5567664 Cycles of immersion support in synthesis gel; crystallization; removing support
10/17/1996WO1996032356A1 Improved reverse osmosis purification of water
10/17/1996WO1996032178A1 Leukocyte filtration method and apparatus
10/16/1996EP0737506A1 Process for making polymeric membranes based on polyether ether ketone
10/16/1996EP0570384B1 Back flushable filtration device and method of forming and using same
10/16/1996EP0527913B1 Method for making pvdf hollow fibre membranes
10/15/1996US5565166 Tube unit and process for its fabrication
10/15/1996US5565153 Process of making polyvinylidene fluoride membranes
10/15/1996US5565102 Process for purifying organic synthesis products
10/10/1996WO1996031273A1 Dialysate filter
10/10/1996DE19512688A1 Condensation of vapours from beer brewing processes
10/09/1996EP0735852A1 Liquid dispenser for sterile solutions
10/09/1996EP0658126B1 Gas separation membranes made from blends of aromatic polyimide, polyamide or polyamide-imide polymers
10/09/1996CN1132946A Shutdown, trilayer battery separator
10/09/1996CN1132660A Method of preparing membranes from blends of polymers
10/08/1996US5563191 Phase-separated membrane
10/08/1996US5562826 Semipermeable, porous, asymmetric polyether amide membranes
10/08/1996CA2063548C Membrane for isolating virus from solution
10/02/1996EP0734759A1 Polyvinylidene fluoride membrane
10/02/1996EP0734365A1 Production of polymerization grade dicyclopentadiene
10/02/1996EP0703819A4 Composite gas separation membranes and making thereof
10/02/1996DE19511151A1 Process and appts. for spinning semipermeable hollow fibres of cellulose
10/01/1996US5561202 Polymer electrolyte membrane, and process for the production thereof
09/1996
09/26/1996WO1996029360A1 Sulphonated polyether ketones, method of producing them and the use thereof to produce membranes
09/26/1996WO1996029359A1 Polymer electrolytes and process for their production
09/26/1996DE19510027A1 Sulphonated aromatic polyether-ketone, used as polymeric electrolyte
09/26/1996DE19510026A1 Sulphonated aromatic polyether-ketone used for membrane prodn., etc.
09/25/1996EP0733397A2 Staged electrolyte membrane