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)
01/2002
01/02/2002EP0983134B1 Method for producing polymer electrolyte membrane and fuel cell
01/02/2002CN1328868A Porous hollow fibre membrane and its manufacturing method
01/02/2002CN1328866A Mass transferring method and device
01/02/2002CN1328864A Composite filtering film with ground filled with porous material and its production method
01/01/2002US6334881 Media comprising non-woven support layer, expanded porous polytetrafluoroethylene membrane layer bonded to support layer, protective surface pattern bonded to membrane layer, whereby pattern covers 60 percent or less of surface area
01/01/2002CA2149418C High flux hollow fiber membrane
01/01/2002CA2060256C Process for the manufacture of thin film composite membranes
12/2001
12/27/2001WO2001097957A1 Multi-component composite membrane and method for preparing the same
12/27/2001WO2001097956A1 Mixed matrix nanoporous carbon membranes
12/27/2001WO2001097950A1 Process and apparatus for making polymeric membranes
12/27/2001WO2001070858A3 Composite ion exchange material
12/27/2001US20010056128 Porous substrate impregnated with alpha,beta,beta-trifluorostyrene homo- and copolymers, sulfonated or containing p-sulfonylfluoride-alpha,beta,beta-trifluorostyrene comonomer; membrane electrolytes
12/27/2001CA2351747A1 Polyelectrolyte coated permeable composite material, its preparation and use
12/26/2001CN1328483A Process for producing composite semipermeable membrane
12/20/2001WO2001096004A1 Method for making a nanofiltration membrane, and resulting membrane
12/19/2001EP1163949A2 Method of preparing composite gas separation membranes from perfluoropolymers
12/19/2001EP1163045A1 Positively charged membrane
12/19/2001EP1163044A1 Negatively charged membrane
12/18/2001US6331351 Porous substrate has active particles adhered by polymer adhesive containing strings and dispersion; pollution control
12/13/2001WO2001093994A1 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
12/13/2001WO2001093993A1 Improved silica membranes and process of production thereof
12/13/2001WO2001093992A1 Method for controlling permeability by high frequency wave and method for producing organic membrane for separation
12/13/2001WO2001093987A1 Composite ceramic membrane oxygen separation method
12/13/2001WO2000015326A3 A separating device comprising a ceramic membrane
12/13/2001US20010050252 Composite membrane and method for making the same
12/13/2001EP1144098A3 A separating device comprising a ceramic membrane
12/12/2001EP0670751B1 Improved sensor membranes
12/12/2001CN1076008C Membrane type biological reactor
12/06/2001WO2001091873A2 Polysulfonamide matrices
12/06/2001US20010047962 Apparatus and method for cleaning membrane filtration modules
12/06/2001US20010047959 Polyacrylonitrile-based filtration membrane in a hollow fiber state
12/05/2001EP1160002A2 Degassing a liquid with a membrane contactor
12/05/2001EP1159060A2 Multilayer membranes and method for the production thereof
12/05/2001EP1159059A1 Systems and methods for manufacturing reinforced, three-zone microporous membrane
12/05/2001EP1159049A1 Responsive gels and methods of use thereof
12/05/2001CN1075742C Process for removing components from mixed gas with microporous membrane of hollow fibres
12/04/2001US6325218 Separation membrane, cationic membranes and crosslinking
12/02/2001CA2345892A1 Degassing a liquid with a membrane contactor
11/2001
11/29/2001WO2001090223A1 Modified sulfonamide polymers
11/29/2001WO2001089673A2 Process of forming multilayered structures
11/29/2001WO2001089672A1 Method of manufacturing membranes and the resulting membranes
11/29/2001WO2001089654A2 Acid stable membranes for nanofiltration
11/29/2001US20010046564 Applying substrate to support; forming thin film upon substrate via immersing substrate in solution or dispersion, rinsing with solvent, immersing into second substance, removing, separating substrate from thin film
11/28/2001EP1157734A1 Process for producing composite semipermeable membrane
11/28/2001EP1156869A1 Separation method and device with semi-permeable membranes comprising sulphonated polyimides
11/28/2001EP1156868A1 Method for manufacturing a membrane
11/28/2001CN1324267A Thermomembrane method and device
11/28/2001CN1324222A Flexible membranes
11/28/2001CN1075395C Composite film, and method for chemical synthesis and reactor containing said film
11/27/2001US6322703 Method for purifying aqueous suspension
11/27/2001US6321465 Membranes of polyurethane based materials including polyester polyols
11/22/2001WO2001088025A1 Membranes formed from amphiphilic copolymers
11/22/2001WO2001087469A1 Separation module and method for producing the same
11/22/2001US20010042716 Semipermeable membrane
11/22/2001US20010042715 Filtration and purification system for pH neutral solutions
11/21/2001EP1155467A2 Solid gel membrane
11/21/2001EP1154842A2 Skinned hollow fiber membrane and method of manufacture
11/21/2001EP1154841A1 Porous composite membrane, and a method of treating a membrane
11/21/2001EP0989898A4 Antimicrobial filter cartridge
11/20/2001US6319306 Hydrogen-selective metal membrane modules and method of forming the same
11/20/2001CA2053743C Asymmetric polymer membrane and preparation thereof
11/15/2001WO2001085341A1 Microfluidic devices
11/15/2001US20010041363 Hollow fiber bioreactor; filtration
11/14/2001EP1153968A1 Microporous polyolefin film and process for producing the same
11/14/2001EP1152887A1 Zeolite membrane and a process for the production thereof
11/14/2001EP0696935B1 Large pore synthetic polymer membranes
11/13/2001US6316684 Filled superglassy membrane
11/13/2001US6315968 Process for separating acid gases from gaseous mixtures utilizing composite membranes formed from salt-polymer blends
11/08/2001WO2001084657A2 Polymer membranes
11/08/2001WO2001083092A1 Organic-inorganic membranes
11/08/2001WO2001083091A2 Sulfonated aryl sulfonate matrices and method of production
11/08/2001WO2001083090A1 Composite membrane
11/08/2001WO2001044115A3 Waste water treatment system
11/08/2001US20010038805 Apparatus and method for controlled delivery of a gas
11/08/2001US20010037982 Filter and method of filtering a fluid
11/08/2001US20010037629 Air-permeable filter for ink cartridge and ink cartridge comprising same
11/08/2001DE10021106A1 Polymere Membranen Polymeric membranes
11/08/2001DE10021104A1 Organisch-anorganische Membranen Organic-inorganic membranes
11/07/2001EP0996495B1 Filtration membrane with calcined alpha-alumina particles dispersed therein
11/07/2001CN1320652A Salt of polyacylimino-amic acid and polyacylimine film formed therefrom
11/06/2001US6312950 Isolating and recovering cells; feed sample through filter and recover confined cells from filter
11/01/2001WO2001080981A1 Separation of fluid mixtures using membranized sorption bodies
11/01/2001US20010035374 Hollow fiber separation membrane element, hollow fiber separation membrane module, and process for producing the same
10/2001
10/31/2001EP1149625A1 Internal hydrophilic membranes from blended anionic copolymers
10/31/2001EP1149624A1 Highly asymmetric anionic membranes
10/31/2001EP1148931A1 Hollow fiber membrane contactor
10/31/2001EP1148925A1 Graded particle-size retention filter medium for cell-type filter unit
10/31/2001EP1148869A1 Method for regulating a chemical valve
10/31/2001DE19938674C2 Flachmembranstapel und Verfahren zu seiner Herstellung Flat membrane stack and process for its preparation
10/31/2001DE10019287A1 Verbundmembrane Composite membranes
10/31/2001CN1073877C Preparation of hollow-fibre composite film
10/30/2001US6309550 Mass transfer method and apparatus
10/25/2001WO2001080334A2 Conductive sheet material
10/25/2001WO2001079335A1 Method for making a bipolar membrane and use of resulting bipolar membrane
10/25/2001WO2001078882A2 Composite membrane and method for making the same
10/25/2001WO2001078805A1 Specialized hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration
10/25/2001WO2001041924A3 Oxidative reactions using membranes that selectively conduct oxygen
10/25/2001WO2000050160A9 Negatively charged membrane
10/25/2001DE10017690A1 Vorrichtung zum Stoffaustausch und Kultivierung von Zellen An apparatus for mass transfer and culturing of cells
10/25/2001CA2406964A1 Method for making a bipolar membrane and use of resulting bipolar membrane