Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
02/2000
02/23/2000CN1245446A Filter medium and air filter unit using same
02/22/2000US6027796 Mesoporous ceramic film with one dimensional through channels and process for its production
02/22/2000US6026968 Porous support; polyamide separation layer
02/22/2000CA2157680C Micro-filter disc and a method for its production
02/17/2000WO2000007703A1 METHOD AND APPARATUS FOR EXTRACTING HYDROGEN ISOTOPES FROM A LIQUID Pb-17Li EUTECTIC IN A FUSION REACTOR
02/17/2000DE19836514A1 Modification of engineering polymers with N-basic groups and ion exchange groups in the side chain gives membranes of good thermal and mechanical stability useful for fuel cells, diffusion dialysis, electrodialysis, and reverse osmosis
02/17/2000DE19835341A1 Bulk modified polyamide, useful for the production of pervaporation and gas separation membranes is prepared by addition of modifying agents to the melt
02/17/2000CA2339238A1 Method and apparatus for extracting hydrogen isotopes from a liquid pb-17li eutectic in a fusion reactor
02/16/2000EP0979138A1 Surface modified porous membrane and process
02/15/2000US6024873 Comprising polyamide thin film and microporous support
02/15/2000US6024872 Filtration membrane for micro- or ultra-filtration is formed from a complex of polyvinylidene flouride and calcined alumina particles
02/14/2000CA2277677A1 A hydrophilic polyolefin
02/10/2000WO2000006526A1 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
02/10/2000WO2000006293A1 Polyimide membranes for recovery of aromatic solvents under hyperfiltration conditions
02/10/2000WO1999046032A3 Process gas purification and fuel cell system
02/09/2000EP0978308A1 Method and apparatus for extracting hydrogen isotopes from a liquid Pb-17Li eutectic in a fusion reactor
02/09/2000EP0977624A1 Article of manufacture including a surface modified membrane and process
02/09/2000EP0975418A4 Membranes comprising aminoacid salts in polyamine polymers and blends
02/09/2000EP0968047A4 Method for making a composite filter
02/09/2000EP0604514B1 Treatment of aqueous media containing organic material
02/09/2000CN1244176A LaMO3 type composition, M being aluminium, gallium or indium, in powder or sintered form, method of preparation and use as conductor of oxygen
02/09/2000CN1244134A Filter medium and air filter unit using the same
02/08/2000US6022478 In biotechnology, medicine, chemical engineering; for recovering antiboides, hormones, enzymes, growth factors; removing undesirable substances from human blood, catalytic reactions
02/08/2000CA2003445C Surface-hydrated porous polyacrylonitrile substrates, such as beads derivatives thereof, process for their preparation, and methods for their use
02/03/2000WO2000005169A1 Hydrogen generators
02/03/2000WO2000004984A1 Filter element
02/03/2000WO2000004981A1 Filter assemblies
02/03/2000CA2337123A1 Hydrogen generators
02/02/2000EP0976440A1 Process for producing a T-type zeolite membrane on a porous support for separating a mixture
02/02/2000EP0975680A1 Interactive system for substance presentation and elimination
02/02/2000EP0975418A1 Membranes comprising aminoacid salts in polyamine polymers and blends
02/02/2000EP0975415A1 Composite materials for membrane reactors
02/02/2000EP0912223A4 Microfabricated filter and shell constructed with a permeable membrane
02/01/2000US6019925 Method of making cellulosic dialysis membrane
02/01/2000US6019920 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
02/01/2000US6019885 Oxygen transport from an oxygen-containing gas to a gas that consumes oxygen.
01/2000
01/26/2000EP0973809A1 Cross-linked sulphonated polymers and method for preparing same
01/26/2000EP0973734A1 Crosslinkable bi-sulphonyl derivatives and their uses for preparing ion-exchanging membranes
01/26/2000EP0973603A1 Method for producing beer
01/26/2000CN1242715A Composite materials for membrane reactors
01/25/2000US6017455 Non-sulfonated aromatic polyether ketone copolymer membrane having crystallinity of 10% by weight or higher and specific pore diameter; heat and chemical resistance; used to make ultrapure water for semiconductors, removal of iron etc.
01/25/2000US6017389 Thin SiO2 films, a process for producing them and their use
01/20/2000WO2000002649A1 Apparatus, membranes and methods for removing organic compounds from a biological fluid
01/20/2000WO2000002638A1 Composite membranes and methods for making such membranes
01/20/2000CA2336788A1 Composite membranes and methods for making such membranes
01/20/2000CA2336580A1 Apparatus, membranes and methods for removing organic compounds from a biological fluid
01/19/2000EP0972559A1 Filter medium and air filter unit using the same
01/19/2000EP0971971A1 LINEAR ALTERNATING FUNCTIONALIZED $g(a)-OLEFIN/CO-COPOLYMERS AND THEIR USE IN PREPARING ION-SELECTIVE MEMBRANES
01/19/2000EP0971786A1 Container
01/19/2000EP0971785A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes
01/19/2000CN1242025A Melt-spun polysulfone semipermeable membranes and methods for making the same
01/18/2000US6015609 Solution polymerizable mixtures of solvent and monomer to form interpenetrating network polymer then removal of solvent
01/18/2000US6015599 High vertical aspect ratio thin film structures
01/18/2000US6015495 Porous support and thin polyamide film formed by interfacial polymerization of polyfunctional amine and polyfunctional acyl halide in mixed solvent comprising water and polar compound
01/13/2000WO2000001527A1 Cellulosic web with a permeant barrier or contaminant trap
01/13/2000DE19826496A1 Ceramic membrane for recovering oxygen from gas mixtures
01/12/2000EP0970739A1 Filter medium for air filters
01/12/2000EP0970196A1 Enzymatically catalysed process
01/12/2000EP0969962A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
01/12/2000EP0931097A4 Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration
01/12/2000EP0614923B1 Hydrophilic material and semipermeable membrane made therefrom
01/11/2000US6013688 PVDF microporous membrane and method
01/11/2000US6013185 Recovering surfactants from an aqueous surfactant/contaminant solution by ultrafiltration at a pressure less than 45 psi, using a nonionic surfactant that remains polar and solvated at operating temperature of the ultrafiltration system
01/11/2000US6013182 For blood dialysis consisting substantially of a cellulose derivative
01/06/2000WO2000000550A1 A membrane or matrix for controlling the permeation rate of drugs
01/06/2000WO2000000268A1 Antimicrobial semi-permeable membranes
01/06/2000WO2000000265A1 Filtration and extraction device and method of using the same
01/05/2000EP0969025A1 Amorphous fluoropolymer manufactured articles
01/05/2000EP0968758A2 Use of microphase separated polymer blends for making permeable membranes
01/05/2000EP0968757A1 Process for minimisation of foodstuff oxidation
01/05/2000EP0968196A1 Perfluorovinyl ionic compounds and their use in conductive materials
01/05/2000EP0968048A1 Dialysis membranes and process for their production
01/05/2000EP0968047A1 Method for making a composite filter
01/05/2000EP0946250A4 Hydrophilic polymeric phase inversion membrane
01/05/2000EP0888211A4 Highly porous polyvinylidene difluoride membranes
01/05/2000EP0888171A4 Asymmetric supported membrane for direct osmotic concentration
01/05/2000DE19829397A1 Verwendung mikrophasenseparierter Polymermischungen für die Herstellung von permeablen Membranen Use of micro-phase-separated polymer blends for the preparation of permeable membranes
01/04/2000US6010776 Microporous materials containing cross-linked oil
01/04/2000US6010628 Porous membrane with low steam permeability
01/04/2000US6010560 Tube unit and process for its fabrication
12/1999
12/29/1999WO1999067013A1 Porous polyvinylidene fluoride resin film and process for producing the same
12/29/1999WO1999048595A8 Oxygen generator system and method for operating the same
12/22/1999EP0965610A1 Microporous membrane and process for preparing the same
12/22/1999EP0964737A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same
12/22/1999EP0884960A4 Membranes of polyurethane based materials including polyester polyols
12/22/1999EP0711202B1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same
12/22/1999CN1239012A Process for separating aqueous solution of alcohol with polyvinylidene fluoride permeable vaporizing membrane
12/21/1999US6004466 Purification of surfactants with ultrafiltration to recover and reuse
12/21/1999US6004450 Masking a silicon membrane, forming patterns with exposure of crystals, electrochemical etching and forming a crystal member
12/21/1999US6004374 Dehydration of mixed gas stream and carbon adsorbent membrane with withdrawal of water
12/21/1999CA2179080C Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine
12/21/1999CA2092708C Cationic charge modified microporous membranes
12/16/1999WO1999064356A1 Processing system
12/16/1999WO1999064129A2 Process for preparing hydroxylated aromatics by hydrogen and oxygen
12/15/1999EP0963775A2 Filtering medium for air filters and process for producing the same
12/15/1999EP0827451B1 Laminate for retaining organic vapours, aerosols and biological active substances
12/15/1999EP0758349A4 Surface-modifying endgroups for biomedical polymers
12/14/1999US6001257 Water-containing liquid enters the apparatus through an inlet, passes over the zeolite membrane where water is separated from the liquid and water is removed and anhydrous liquid passage out through liquid outlet
12/14/1999CA2080732C Inorganic filtration membranes with separation layer made of materially oxygen-free ceramics
12/09/1999WO1999062993A1 Fine powder-type porous ptfe material