Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
12/2000
12/14/2000WO2000076014A2 Methods of preparing electrochemical cells
12/14/2000WO2000076011A2 Methods of preparing a microporous article
12/14/2000WO2000074828A1 Hydrophilic composite membrane for dehydrating organic solutions
12/14/2000WO2000074827A2 Composites and composite membranes
12/14/2000WO2000074825A1 Ultrafiltration and microfiltration of aqueous suspensions
12/14/2000WO2000074824A1 One step removal of unwanted molecules from circulating blood
12/14/2000WO2000044485A3 Perfluorinated thermoplastic filter cartridge
12/14/2000WO2000022684A9 Composite solid polymer electrolyte membranes
12/14/2000DE19925929A1 Cellulose acetate-based microfiltration membrane contains a small amount of hydrophilic synthetic silica incorporated in the matrix as a non-leachable wetting agent
12/14/2000CA2339103A1 Ultrafiltration and microfiltration of aqueous suspensions
12/13/2000CN1276262A Process and special equipment for preparing anti-pollution compound plyvinyl alcohol film
12/13/2000CN1059449C Method for preparation of high-viscosity chloromethylated polysulfone
12/13/2000CN1059356C Modified polysulphone ultrafilter membrane and its preparation and application
12/13/2000CN1059355C Membrane stack medium of microporous affinity membrane separator for biological macromolecule purifying
12/13/2000CN1059354C Cellulose microporosity filter membrane and its preparation and application
12/12/2000US6160030 High water content porous polymer
12/12/2000US6159542 Depositing seed crystals of t-type zeolite on a porous support; stirring aqueous mixture containing a silica source, alumina source, sodium ions, and potassium ions as starting materials and aging; immersing porous support in aged mixture
12/12/2000US6159370 Solvent and acid resistant membrane on the basis of polyacrylnitrile (PAN) and a comonomer copolymerized therewith and a method of manufacturing such a membrane
12/07/2000WO2000072950A1 Cellulose derivative hollow fiber membrane
12/07/2000WO2000072941A1 Oleophobic filter materials for filter venting applications
12/07/2000DE2206567C1 Process to make porous membrane for the isotopic separation of gaseous uranium compounds
12/07/2000DE19925475A1 Hydrophile Kompositmembran zur Entwässerung organischer Lösungen Hydrophilic composite membrane for dehydration of organic solutions
12/07/2000CA2375077A1 Oleophobic filter materials for filter venting applications
12/06/2000EP1057798A2 Stabilized perovskite for ceramic membranes
12/06/2000EP1057521A1 Membranes of (per)fluorinated amorphous polymers
12/06/2000EP1057520A1 Microfilter cartridge
12/06/2000EP1057478A2 Thermoplastic polymer membranes
12/06/2000EP1056937A1 Combustion engine air supply system
12/06/2000EP1056533A1 Process of forming a permeable gas separation material
12/06/2000EP1056532A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores
12/06/2000CN1275428A Stable perofskite for ceramic film
12/06/2000CN1275418A Method for removing inpurity from fluid
12/06/2000CN1275417A Method for removing removed substance from fluid
12/06/2000CN1059191C Palladium-ceramic composite film and nitrogen rich film coupling making catalytic
12/05/2000US6156202 Distilling pyrrole and n-methyl pyrrole, mixing 90 to 99.9 vol % distilled pyrrole and 10 to 0.1 vol % distilled n-methyl pyrrole, mixing 60 to 40 vol % alkyl acetate to 40 to 60 vol % pyrroles mixture, soaking substrate with mixture
12/05/2000US6155964 Centrifuge drive system providing optimum performance
12/01/2000CA2310286A1 Stabilized perovskite for ceramic membranes
11/2000
11/30/2000WO2000071232A1 Isolation of sf6 from insulating gases in gas-insulated lines
11/30/2000DE10011785A1 Gas separation membrane module for separating mixed gases, has film-like material on periphery of hollow fiber bundle inside which mixed gas is passed when passing carrier gas outside in counterflow direction
11/29/2000EP1055372A2 A method of treating colostrum
11/29/2000CN1274616A Preparation of organic functional mesoporous molecular sieve with double pore distribution
11/29/2000CN1058908C Method for prepn. of ultra filtering silica membrane used for seawater desalination
11/28/2000US6153337 Which comprise a microporous pseudo-boehmite layer
11/28/2000US6153133 Extruding polyolefin solution to yield an extrudate; uniaxially stretching extrudate in molten state; cooling stretched polyolefin extrudate to solidify to gel-like sheet by cooling roll; removing solvent, drying, heat setting
11/28/2000US6152995 Etching to control thickness
11/28/2000US6152987 Method for selectively separating hydrogen from hydrogen-producing reactants
11/28/2000US6152986 Using a supported ceramic membrane to separate from contaminant gas
11/25/2000CA2309226A1 A method of treating colostrum
11/23/2000WO2000069790A2 Method of producing aluminum oxides and products obtained on the basis thereof
11/23/2000WO2000069774A1 Hydrogen recycle and acid gas removal using a membrane
11/23/2000WO2000069549A1 Charged membrane
11/23/2000DE19923155A1 Process for removing sulfur hexafluoride/nitrogen mixtures from gas-isolated lines comprises contacting the gas mixture with a membrane
11/23/2000CA2371060A1 Charged membrane
11/22/2000EP1053052A2 Treatment of composite polyamide membranes to improve performance
11/21/2000US6149714 Oxidant with low nitrogen concentration, adding oxygen, purging
11/21/2000US6149702 Laminate of porous poly tetrafluoroethylene membranes and air permeable supports
11/16/2000WO2000068305A1 Porous films and processes for the production thereof
11/16/2000WO2000068139A1 Composite materials for membrane reactors
11/16/2000WO2000067905A1 Chelate-forming porous hollow fiber membrane and method for the recovery of germanium oxide with the same
11/16/2000WO2000067670A1 An embolic protection device
11/16/2000WO2000067668A1 Improved filter element for embolic protection device
11/16/2000WO2000067666A1 Improved filter element for embolic protection device
11/16/2000WO2000045447A3 Proton conducting membrane using a solid acid
11/16/2000DE19922492A1 Production of a nano-corundum used in the production of aluminum oxide sintered products uses chlorine-free inorganic precursors as starting material in a liquid medium to form a sol which is subsequently hydrolyzed
11/16/2000CA2384398A1 An embolic protection device
11/16/2000CA2336880A1 Composite materials for membrane reactors
11/15/2000EP1051354A2 Water purification apparatus with a hydrophilic membrane
11/15/2000EP1051236A1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof
11/14/2000US6146898 Degradating a solution to produce oxygen gas and water; supplying a sample, degrading sample, injecting degraded sample into an analytical apparatus, analyzing degraded sample with computer, allow oxygen gas to flow into air
11/14/2000US6146747 Highly porous polyvinylidene difluoride membranes
11/14/2000US6146549 Useful in producing synthesis gas
11/14/2000US6146445 Stabilized perovskite for ceramic membranes
11/14/2000CA2037018C Process for separating hydrogen from gas mixtures using a semi-permeable membrane consisting predominantly of polycarbonates derived from tetrhalobisphenols
11/09/2000WO2000066815A1 Method of producing a filter
11/09/2000WO2000066655A1 Coating materials containing melamine resin
11/09/2000WO2000066268A2 Well(s) containing filtration devices
11/09/2000WO2000066254A1 Step-by-step alkylation of polymeric amines
11/09/2000WO2000006526A9 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
11/09/2000CA2371967A1 Step-by-step alkylation of polymeric amines
11/09/2000CA2369963A1 Method of producing a filter
11/08/2000CN1272391A Membrane containing porous carrier and molecular sieve layer and its preparing method
11/07/2000US6143853 Method for separation and synthetic polymers that can be used as separation media in the method
11/07/2000US6143675 Porous composite
11/02/2000WO2000025838A9 Element provided with a fibrin layer, preparation and use thereof
11/02/2000EP1048614A1 Two-phase hydrogen permeation membrane
11/02/2000EP1048613A1 Hydrogen permeation through mixed protonic-electronic conducting materials
11/02/2000DE19919903A1 Verfahren zur Herstellung eines Filters A method for manufacturing a filter
11/02/2000DE19919881A1 Thermally stable proton conductive composite, for use in e.g. fuel cells, membrane separation, catalysis, electrolysis or electrochemical processes, comprises acid and/or organic base and layered and/or framework silicate
10/2000
10/31/2000US6140263 Forming a gel localised at the surface of a porous support by bringing it into contact, in succession, with two immiscible liquids which contain the agents necessary for formation of said gel, then (b) crystallising the zeolite from the gel
10/31/2000US6139742 Apparatus comprising chemically activated microporous membrane made by selectively hydrolyzing polyacetylated material to deacetylate surface layer, oxidizing exposed free hydroxyl groups to form aldehydes, attaching polyamino acid
10/31/2000CA2202646C Porous ptfe film and a manufacturing method therefor
10/31/2000CA2192014C Reactive purge for solid electrolyte membrane gas separation
10/31/2000CA2116116C 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
10/26/2000WO2000063995A1 Process of making a composite membrane
10/26/2000WO2000063991A1 Phosphorus atom containing fluorinated cationic exchange membrane and proton-conductive fuel cell
10/26/2000WO2000062900A1 Filter media
10/26/2000WO2000062885A2 Method for preparing carbon membranes for separating gases
10/25/2000CN1271296A Microstructured filter
10/24/2000US6136354 Resistance to extraction of soluble materials from the plastic, comprising a biaxially oriented thermoplastic resin having uniformly dispersed therein a modified cyclodextrin free of inclusion compounds and compatible with the polymer
10/24/2000CA2119198C Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition
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