Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
11/2007
11/29/2007US20070272613 Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
11/29/2007DE102007007452A1 Oligo- und polymere aromatische Phosphonsäuren, deren Blends, Verfahren zu deren Herstellung und Anwendungen als Polyelektroyte Oligomeric and polymeric aromatic phosphonic acids, blends thereof, processes for their preparation and applications as Polyelektroyte
11/29/2007CA2652371A1 Manufacturing method of a membrane and a membrane thereof, for emulsification
11/28/2007EP1860135A1 Electrolyte membrane
11/28/2007EP1859855A1 Membrane surface modification by radiation-induced polymerization
11/28/2007EP1858632A1 Process for producing gas-tight and temperature-stable modules with ceramic hollow-fibre or capillary membranes
11/28/2007EP1858631A1 Extrusion of a thermoplastic polymer bearing acid ionic groupings
11/28/2007EP1858630A1 Membrane preparation method comprising the extrusion of a thermoplastic polymer bearing alkaline ionic groupings
11/28/2007EP1706197B1 Composite membrane
11/28/2007EP1656194B1 Ceramic filter element for water purification
11/28/2007CN101077799A Infiltration vaporization blending composite film for removing phenols from waste water
11/28/2007CN101077798A Polyimide copolymer infiltration vaporization separation film for treating phenols-containing waste water and preparing method thereof
11/28/2007CN101077473A Novel environmental protection fiber film material and its preparation method
11/28/2007CN100351007C Method for preparing molecular engram CS/TEOS hybridized film by separation of phenylalanine isomer
11/27/2007US7300984 Exposing olefinic homo or copolymer with ultraviolet radiation, contacting radiated base homo or copolymer with a microemulsion containing fluorostyrenic monomer, water and a partially water miscible solvent to form a graft copolymer into a membrane
11/27/2007US7300561 Oxide ion conductive ceramic membrane stacked microstructures; use for separating oxygen from air
11/27/2007US7300022 Modified membranes
11/22/2007WO2007133762A1 Membrane-based article and associated method
11/22/2007WO2007133700A1 Nanoporous carbonaceous membranes and related methods
11/22/2007WO2007133362A1 Modified membrane
11/22/2007US20070269700 Polymeric Materials
11/22/2007CA2652037A1 Nanoporous carbonaceous membranes and related methods
11/21/2007EP1323460B1 Method of recovering fluorochemical surfactant
11/21/2007CN200977427Y High temperature water purifying filter element
11/21/2007CN101073752A Method for producing vinylidene difluoride planar ultrafiltration membrane with gradient structure
11/21/2007CN101073751A Composite electret filter materials
11/21/2007CN101073750A Method for producing density and gradient sectional porous ultrafiltration membrane
11/21/2007CN100349841C Process for separating 2-butanol from tertiary butanol/ water mixture
11/21/2007CN100349646C A biphase mixed conducting oxygen-permeable membrane and preparation method thereof
11/20/2007US7297277 Method for purifying a dry cleaning solvent
11/20/2007US7297184 Apparatus and method for separating gases
11/20/2007CA2200746C Injection-molded dosage form
11/15/2007WO2007128565A2 Immersion filter unit for wastewater treatment and production of drinking water
11/15/2007WO2007128488A1 Ultrafiltration membrane
11/15/2007WO2007128330A1 Fuel cell and polymer electrolyte membrane
11/15/2007WO2007092437A3 Method for increasing the permeability of polymer film
11/15/2007US20070265426 Prepared by reacting a polyphosphonitrile with an amine or an alkali metal salt of an alcohol and an a perfluoroalkylsulfonylaminosulfonyl-substituted aniline or phenol salt; fuel cell membran materials
11/15/2007US20070262017 Composite porous membrane and method for producing the same
11/15/2007DE202007007244U1 Fußmatte mit integrierter semipermeabler Membranmatte Doormat with integrated semi-permeable membrane mat
11/15/2007CA2651459A1 Filter unit for wastewater treatment and production of drinking water
11/14/2007EP1853519A2 Zero valent metal composite, manufacturing, system and method using thereof, for catalytically treating contaminated water
11/14/2007EP1402590B1 Ionomer for use in fuel cells and method of making same
11/14/2007CN101072628A Hydrophilic membranes
11/14/2007CN101072627A Catalytic membrane reactor
11/14/2007CN101072626A Method for manufacturing zeolite membrane
11/14/2007CN101069823A Separation film for separating methanol/methyl-carbonate azotrope
11/14/2007CN101069822A Method for preparing PVDF super-fine fiber film with good mechanics-performance
11/14/2007CN101069821A Cross-linked modified PVOF-HFP superfine fiber film and preparing method
11/14/2007CN101069820A Method for preparing chitosan and surface modified Y-type zeolite hybridization liquid separation film
11/14/2007CN101069819A Method for preparing composite ceramic super-filtering film on porous stainless steel substrate
11/14/2007CN100348323C Microfluidic apparatus with integrated porous-substrates/sensor for real-time biochemical molecule detection
11/13/2007US7294174 Air dehydration membrane
11/13/2007CA2405501C A method and device for analysis of charged molecules by solution isoelectric focusing
11/08/2007WO2007127605A2 Reverse osmosis membrane with branched poly(alkylene oxide) modified antifouling surface
11/08/2007WO2007126797A2 Conducting ceramics for electrochemical systems
11/08/2007WO2007125944A1 Gas separation membrane
11/08/2007WO2007125943A1 Polymeric porous hollow fiber membrane
11/08/2007WO2007125709A1 Porous water treatment membrane made of vinylidene fluoride-based resin with little contamination and method of producing the same
11/08/2007WO2007125367A1 Asymmetric membranes for use in nanofiltration
11/08/2007WO2007125191A1 Lithium ion-selective membrane
11/08/2007WO2007125150A1 Zeolitic membrane, synthesis and uses
11/08/2007US20070259240 Non-Perfluorinated Resins Containing Ionic or Ionizable Groups and Products Containing the Same
11/08/2007US20070256969 Perfluorohydrocarbon layer on a porous poly(aryl ether ketone) substrate made by chemically grafting a fluoropolymer onto the PEEK resin; Use in selective recovery of ethanol from ethanol/water solutions or dewatering biodiesel by the superhydrophobic membrane
11/08/2007CA2650680A1 Gas separation membrane
11/08/2007CA2649803A1 Lithium ion-selective membrane
11/08/2007CA2649238A1 Asymmetric membranes for use in nanofiltration
11/08/2007CA2623379A1 Methods and apparatus for hydrogen gas production
11/07/2007EP1852176A1 Purification of fluids with nanomaterials
11/07/2007EP1851302A1 Cartridge retaining mechanism for nucleic acid extracting apparatus
11/07/2007EP1851168A2 Method for oxygenating gases, systems suited therefor and use thereof
11/07/2007CN101068612A Method for preparing hydrophilic polyethersulfone membrane
11/07/2007CN101066789A Water treating process and system with antioxidant composite reverse osmosis film
11/06/2007US7291204 Separation membrane module with hollow fiber and a method of making the same
11/06/2007CA2460059C Method for preparing ddr type zeolite membrane, ddr type zeolite membrane, and composite ddr type zeolite membrane, and method for preparation thereof
11/01/2007WO2007123356A1 The facilitated olefin transporting composite membrane comprising nanosized metal and ionic liquid
11/01/2007WO2007123004A1 Porous hollow-fiber membrane of vinylidene fluoride resin and process for producing the same
11/01/2007WO2007122256A1 Method for the preparation of a nanoporous layer of nanoparticles and layer so obtained
11/01/2007WO2007103314A3 Membrane and process for recovery of acid
11/01/2007US20070252114 Complex mixed conductor and its preparing method
10/2007
10/31/2007CN200966985Y Ultrafiltration composite filter tube
10/31/2007CN101065424A Ptfe membrane
10/31/2007CN101062464A Mesoporous silicon dioxde film and antibiotics pharmacy waste water purification treating method
10/31/2007CN100345871C Method of chemical surface modification of polytetrafluoroethylene materials
10/31/2007CN100345616C Polymer microporous modification by corona induced grafting technology
10/30/2007US7288599 Prepared by reducing sulfonated polymers, particularly sulfochlorinated polysulfone or PEEK resins; polymer (blend) membranes crosslinked, especially by alkylation of sulfinate groups with mono- di- or oligo functional electrophiles; fuel cells, electrolytic cells, batteries, gas separation processes
10/30/2007US7288231 Chemical reactor and method for gas phase reactant catalytic reactions
10/30/2007US7288199 Ceramic filter and method for purifying water
10/30/2007US7288170 Generation. conditioning , reuse of metal containing electrolytes; surface treatment; ion exchanging
10/30/2007US7288135 Inorganic reaction product of Group 2a oxide, rare earth oxide, chromium oxide, iron oxide, manganese oxide with titanium, aluminum, zirconium and hafnium oxide
10/30/2007CA2278995C A membrane for separating fluids
10/25/2007WO2007120631A1 Fouling resistant membranes formed with polyacrylonitrile graft copolymers
10/25/2007WO2007120483A2 Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration
10/25/2007WO2007119850A1 Highly durable porous pvdf film, method of producing the same and washing method and filtration method using the same
10/25/2007WO2007119508A1 Process for production of polytetrafluoroethylene porous membrane, filter medium and filter unit
10/25/2007WO2007119286A1 Method of dehydration, dehydrating apparatus, and membrane reactor
10/25/2007WO2007118902A2 Composite membrane
10/25/2007WO2007067910A3 Membrane structure and method of making
10/25/2007US20070248942 bringing virus-containing blood into contact with a material for selectively removing viruses and leukocytes which comprises a water-insoluble carrier having a surface for adsorbing or removing viruses and leukocytes; useful when the blood contains hepatitis C virus
10/25/2007US20070248874 for controlling the use of a catalytic metal for activating H2 dissociation and bonding; vanadium is used as the H2 permeable metal layer, tungsten trioxide, molybdenum trioxide, W, Mo, or perovskite as oxidation retardant layer, Pd or Ru, is used for H2 dissociation and bonding catalyst; Fuel cell
10/25/2007US20070246366 Composite Oxygen-Permeable Membrane