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)
10/2004
10/12/2004US6802971 Fiber wall has a lower mass density zone at the inner surface and a higher mass density zone at the outer surface; inner lumens provides means for transporting the exudate ex-vivo; asymmetrical
10/12/2004US6802820 Medical equipment for dialysis, congestive heart failure, etc.
10/07/2004WO2004085525A1 Microporous polyethylene film
10/07/2004WO2004085044A1 Method for fabricating composite gas separation modules
10/07/2004WO2004085034A2 Composite gas separations modules having intermediate metal layers
10/07/2004WO2004085028A1 Ceramic filter
10/07/2004US20040198849 Ion exchange membranes, methods and processes for production thereof and uses in specific applications
10/07/2004US20040198121 Asymmetric porous polytetrafluoroethylene membrane for clothing
10/07/2004US20040197593 a substrate pickup formed a semiconductor type material which is complimentary to the semiconductor material type of a well , to define a diode, which is partially turned on, so as to increase the potential of a substrate of the complimentary metal oxide semiconductor, reduce turn-on thrushold voltage
10/07/2004US20040195173 Asymmetric porous polytetrafluoroethylene membrane for a filter
10/07/2004US20040195172 Acrylate crosslinking to impart desirable characteristics; providing mechanical and heat stable coating
10/07/2004US20040195164 Spiral separation membrane element
10/07/2004US20040194627 System and method for thermal management
10/07/2004US20040194626 Surface modification of porous metal substrates
10/07/2004DE10312029A1 Selbstheilende Membran für eine Brennstoffzelle Self-healing membrane for a fuel cell
10/07/2004CA2519774A1 Method for fabricating composite gas separation modules
10/07/2004CA2519769A1 Composite gas separation modules having intermediate porous metal layers
10/06/2004EP1464669A1 Polyolefin microporous membrane and method of evaluating the same
10/06/2004EP1464477A2 Method of preparing a highly porous polyvinylidene difluoride membrane
10/06/2004EP1464382A1 Asymmetric porous polytetrafluoroethylene membrane for clothing
10/06/2004EP1464381A1 Asymmetric porous polytetrafluoroethylene membrane for a filter
10/06/2004EP1464380A1 Spatially-controlled modified porous membrane
10/06/2004EP1464379A1 Spiral wound separation membrane element
10/06/2004EP1464378A1 Spiral separation membrane element
10/06/2004EP1464377A1 Spiral separation membrane element
10/06/2004EP1464376A1 Planar membrane deoxygenator
10/06/2004EP1322408A4 Membranes and method of manufacture thereof
10/06/2004EP1159059B1 Systems and methods for manufacturing reinforced, three-zone microporous membrane
10/06/2004CN1533883A Non symmetrical porous polytetrafluoro membrane for clothing material
10/06/2004CN1533882A Non symmetrical multihole polytetrafluloethylene membrane for filter
10/06/2004CN1533826A Screw part for separating film
10/06/2004CN1533825A Screw part for separating film
10/06/2004CN1169606C Method for producing self-supporting multi-stage pass structure zeolite diaphragm
09/2004
09/30/2004WO2004082813A2 Self-healing membrane for a fuel cell
09/30/2004WO2004082810A1 Membrane plate module
09/30/2004WO2004064478A3 Flexible, breathable polymer film and method for production therof
09/30/2004WO2003022912A3 Ion conducting membrane having high hardness and dimensional stability
09/30/2004US20040191894 Microfiltration or ultrafiltration hollow fiber membrane comprised of terpolymer derived from tetrafluoroethylene monomer, polyvinylidene fluoride monomer and hexafluoropropylene monomer; synthetic membranes for desalination, gas separation, filtration and dialysis
09/30/2004US20040191522 Modification of drawn film
09/30/2004US20040187690 Gas separator fixing structure and gas separating device using the same
09/30/2004US20040187558 Meniscus membranes for separations
09/30/2004DE10311950A1 Membrane module, useful for fluid separation, vapor permeation or pervaporation, comprises at least three parallel membrane plates each having at least four corners connected in pairs
09/29/2004EP1462154A1 Separation membrane
09/29/2004EP1461142A1 Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters
09/29/2004EP1461137A1 Crosslinked and crosslinkable hollow fiber membrane and method of making same
09/29/2004CN1168529C Nanofiltration compound film and its making method
09/29/2004CN1168520C Method for removing inpurity from fluid
09/28/2004US6797212 Microstructure tube; uniform overcoatings; gas permeability
09/28/2004US6797169 Filter membranes for physiologically active substances
09/23/2004WO2004081109A1 Porous membrane of vinylidene fluoride resin and process for producing the same
09/23/2004WO2004080578A1 Purification of fluids with nanomaterials
09/23/2004WO2004080575A1 Use of recombinant albumin in dialysis after liver failure
09/23/2004WO2004005131A3 Gas valve
09/23/2004US20040186262 Ion conductive membrane made from a block copolymer and methods of making a block copolymer
09/23/2004US20040186018 layers of electroconductive metal oxides, having porous layers containing metal catalysts and channeled supports, used for hydrocarbon oxidation
09/23/2004US20040185335 Electrochemical cells with coating on microporous layer substrate for separator electrodes, lamination and removing backing
09/23/2004US20040185242 Spatially-controlled modified porous membrane
09/23/2004US20040183055 Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane
09/23/2004US20040182775 Spiral separation membrane element
09/23/2004US20040182774 Spiral separation membrane element
09/23/2004US20040182306 Method of forming a joint
09/23/2004US20040182242 Supporting base for gas separation membrane, producing method thereof and gas separation filter
09/23/2004US20040181979 Pressing iron having an electro-osmotic pump
09/23/2004CA2518948A1 Porous membrane of vinylidene fluoride resin and process for producing the same
09/23/2004CA2514981A1 Use of recombinant albumin in dialysis after liver failure
09/22/2004EP1459800A2 Planar ceramic membrane assembly and oxidation reactor system
09/22/2004EP1458797A1 Discrete hydrophilic-hydrophobic porous materials and methods for making the same
09/22/2004EP1064986B1 Composite semipermeable membrane, process for producing the same, and method of purifying water with the same
09/22/2004CN1530165A Orifice model flat microporous membrane
09/22/2004CN1167494C Preparation of affinity polysulfone-chitosan compound asymmetrical ultrafiltration film
09/21/2004US6794599 Device and method for manufacture of carbonaceous material
09/21/2004US6793821 Super water-repellent organic/inorganic composite membrane
09/21/2004US6793820 Extruding spinning solution while injecting coagulating fluid and drawing into quenching bath; stretching while rinsing; hot water soaking and crosslinking
09/21/2004US6793711 Mixed conducting membrane for carbon dioxide separation and partial oxidation reactions
09/21/2004CA2047989C Multilayer reverse osmosis membrane of polyamide-urea
09/16/2004WO2004079041A1 Method for coating a substrate
09/16/2004WO2004078328A1 Process for preparing semipermeable membranes
09/16/2004WO2004078327A1 Method of producing membranes for filtration modules which are intended, for example, for water treatment
09/16/2004US20040178145 provides an optimized pulsed fluid flow to a filtration element; comprises a differential pressure activated valve, which seals the discharge port of the retentate head when the feed pressure exceeds the retentate pressure
09/16/2004US20040178140 Filtering device
09/16/2004US20040177753 Polyimide membranes
09/16/2004CA2514468A1 Method of producing membranes for filtration modules which are intended, for example, for water treatment
09/15/2004EP1457253A1 Polyimide membranes
09/15/2004EP1457252A1 Plastron-like membrane material with microstructure
09/15/2004EP1457251A1 Separating device, analysis system, separation method and method for manufacture of separating device
09/15/2004EP1457250A1 Gas separator fixing structure and gas separating device using the same
09/15/2004CN1528498A Use method of bioester/cellulose acetate composite membrane
09/15/2004CN1528497A Composite microfilter or super filter membrane using metal-fiber felt as carrier and preparing method thereof
09/15/2004CN1166566C Method for purifying suspended water by membrane filtration
09/14/2004USRE38583 Dissolving cellulose in an aqueous tertiary amine oxide, extruding through nozzle having an oblong extrusion gap, and stretching
09/14/2004US6790414 Air enhancement system
09/14/2004US6790263 Polymide gas separation membranes
09/10/2004WO2004067640A3 Conductive organic-inorganic hybrid material comprising a mesoporous phase, membrane, electrode and fuel cell
09/09/2004US20040175625 Membranes made directly from polymer dispersion; chemical resistance, mechanical strength, low liquid crossover; simple, low cost; including such as methyl methacrylate-sulfopropyl methacrylate copolymer; methanol fuel cells
09/09/2004US20040173933 Double-layer hollow membrane for bio-reactor applications
09/09/2004US20040173530 new type of hemofiltration referred to as very large pore hemofiltration; sustained removal of albumin and similar large receptor molecules and carrier molecules for the purpose of removing both bound and unbound pathologic molecules or toxins
09/09/2004US20040173528 Pumps for filtration systems
09/09/2004US20040173506 Nanoengineered membranes for controlled transport
09/09/2004US20040173094 carrying out hydrothermal synthesis using raw material solution having containing ratio of 1-adamantanamine to silica of 0.03-0.4, a containing ratio of water to silica of 20-500 and a containing ratio of ethylenediamine to1-adamantanamine of 5-32
09/09/2004DE19857590B4 Keramische Flachmembran und Verfahren zu ihrer Herstellung Flat ceramic membrane and processes for their preparation