Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
04/2001
04/04/2001CN1289633A Polymer membrane for mixing and ultrafilter and its preparing process
04/04/2001CN1289632A Process for preparing superfine power for inorganic film integration technique
04/03/2001US6210584 Contacting aqueous solution with membrane comprising porous polymer support with layer of fluorinated polymer capable of selectively transporting species from first liquid to second liquid
04/03/2001US6210464 Useful for separating a gas fraction having a high separating membrane-permeability from a mixed gas with a high efficiency
03/2001
03/29/2001WO2001021284A1 Chemically active filter material
03/29/2001WO2000074827A3 Composites and composite membranes
03/29/2001WO2000042138A8 Method and apparatus for processing vegetable oil miscella
03/29/2001US20010000067 Combined hydrophobic-hydrophilic filter for fluids
03/29/2001CA2381308A1 Chemically active filter material
03/28/2001EP1086973A2 Polyimide gas separation membranes
03/28/2001EP1086737A2 Production and use of improved polymide separation membranes
03/28/2001EP1085936A1 A membrane and use thereof
03/28/2001EP1085933A1 Phase-separation member
03/28/2001CN1289267A Methods for reforming polymer surface for improved wettability
03/28/2001CN1288776A Preparation of sulfonated polyether sulfone filtering film
03/28/2001CN1063675C Composite porous-film filtering medium material and its production method
03/27/2001US6207445 Simple, disposable, manual apparatus; has pliant body which can be squeezed by user's fingers to pressurize fluid in chamber and cause flow through the filter; diagnosis; disposal
03/27/2001US6207209 Method for removing phospholipids from vegetable oil miscella, method for conditioning a polymeric microfiltration membrane, and membrane
03/27/2001US6207058 Recovery and reuse of nonionic surfactants from aqueous solutions
03/22/2001WO2001020700A2 Membrane for a fuel cell and a method for producing the same
03/22/2001WO2001019906A1 Polymethaphenylene isophthalamide based polymer porous film, method for producing the same and separator for cell
03/22/2001WO2001019505A2 Patterned porous structures
03/22/2001WO2001019503A1 Corrosion-resistant filter element
03/22/2001WO2001019438A1 Flow control and filtration method and apparatus
03/22/2001WO2001007098A3 A device and method for performing a biological modification of a fluid
03/22/2001CA2384539A1 Corrosion-resistant filter element
03/22/2001CA2384045A1 Membrane for a fuel cell and a method for producing the same
03/22/2001CA2383226A1 Flow control and filtration method and apparatus
03/21/2001EP1085590A1 Composite polymer membrane, method for producing the same and solid polymer electrolyte membrane
03/21/2001EP1085051A1 Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode
03/21/2001EP1083981A1 Composite membrane made of a microporous support membrane and interlayer made of regenerated cellulose and method for the production of the same
03/20/2001CA2222955C Porous composite
03/20/2001CA2214122C Composite membrane
03/15/2001WO2001017664A1 Recovery of olefins from gaseous mixtures
03/15/2001DE19943409A1 Verbund aus einer Kompositmembran Composite of a composite membrane
03/15/2001DE19943244A1 Membran für eine Brennstoffzelle und Verfahren zur Herstellung Membrane for a fuel cell and methods for making
03/14/2001EP1082993A2 Composite membrane
03/14/2001CN1287506A Expanded porous thermoplastic polymer membranes and method and device for the production thereof
03/14/2001CN1287020A Antiseptic rare earth-chitosamine film
03/13/2001US6200541 Composite materials for membrane reactors
03/13/2001CA2223552C Virus inactivating coatings
03/08/2001WO2001016542A1 Drying and/or dry process preservation method using semi-permeable membrane
03/08/2001WO2001016229A1 Capillary collapse resistant microporous material and method
03/08/2001WO2001016036A2 Water treatment systems and methods
03/08/2001DE19934735A1 Polyamide reverse osmosis membranes for desalination which have improved salt rejection and flux
03/08/2001CA2384095A1 Water treatment systems and methods
03/08/2001CA2383070A1 Drying and/or dry process preservation method using semi-permeable membrane
03/07/2001EP1081775A2 Battery separators with reduced splitting propensity
03/07/2001EP1081098A1 Filtration and purification system for aqueous acids
03/07/2001EP1080777A1 Ultrafiltration membrane and method for producing the same, dope composition used for the same
03/07/2001EP1080144A1 Microporous materials containing cross-linked oil
03/07/2001EP1079912A1 Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine
03/07/2001CN1286502A Cell separator with reduced break tendency
03/07/2001CN1062806C Porous polytetrafluoroethylene and preparation
03/06/2001US6197427 Process for the production of zeolite membranes supported on porous glass and a zeolite membrane so produced
03/06/2001US6197085 Method for forming titanium anisotropic metal particles
03/06/2001CA2234552C Composite inorganic-polymer thin film cation-selective membrane, method of fabricating same and applications
03/01/2001WO2001014062A1 Filtration and purification system for ph neutral solutions
03/01/2001WO2001014047A1 Filter membranes for physiologically active substances
03/01/2001WO2001014041A2 Filter for removing contaminants from an enclosure
03/01/2001DE19936044A1 Polyaniline membrane, for use in gas separation, pervaporation and liquid phase separation, has layer(s) of polyorganosiloxane
03/01/2001DE19934737A1 Polyamide membrane for reverse osmosis membrane, comprises reaction product of solution of polyfunctional amine, salt-containing compound and polar solvent(s), and solution of amine-reactive reactant
03/01/2001DE19929482A1 Membrane production for olefin/paraffin separation, comprises use of polymer matrix containing transition metal salt which reversibly complexes unsaturated organic compounds and avoids addition of water or alcohol to the feed
03/01/2001DE19919708A1 Stufenweise Alkylierung von polymeren Aminen Stepwise alkylation of polymeric amines
02/2001
02/28/2001EP1078947A1 Hydrophile polyethersulfones and process for their preparation
02/28/2001EP1078680A1 Novel oxygen enriching membrane
02/28/2001EP1077758A1 Crosslinked ion conductive membranes
02/28/2001CN1285234A Porous stainless steel membrane for supporting molecular sieve and preparation method thereof
02/28/2001CN1062489C Process for preparation of polyvinyl alcohol hollow fiber film
02/28/2001CN1062487C Electrocatalytic process for gas clean-up
02/28/2001CA2314455A1 Battery separators with reduced splitting propensity
02/27/2001US6194474 Acid-base polymer blends and their application in membrane processes
02/27/2001US6193784 Method for production of zeolite membrane
02/27/2001US6193778 Heating chromium powder and metal particles with irregular morphology and sintering
02/27/2001US6193077 Non-cracking hydrophilic polyethersulfone membranes
02/22/2001WO2001013453A1 Oxygen separation through hydroxide-conductive membrane
02/22/2001WO2001012312A2 Chemical reactor and method for catalytic gas phase reactions
02/22/2001WO2001012304A1 Osmotic distillation process
02/21/2001EP1076676A2 Engineering ionomeric blends and engineering ionomeric blend membranes
02/21/2001EP1076674A2 Modified polymer and modified polymer membrane
02/21/2001EP0762929B1 Hydrophilic porous membranes made of cross-linked cellulose hydrate, method of producing them and their use
02/21/2001CN1285084A Separators for electrochemical cells
02/20/2001US6190638 Molecular sieves and process for their manufacture
02/20/2001US6190436 Ozone purification process
02/20/2001CA2152651C Ion selective ceramic membrane
02/15/2001WO2001010784A2 Wasser still with pervaporation membrane and method of operation thereof
02/15/2001WO2001010775A1 Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties
02/15/2001WO2001010543A1 Stack of flat membranes and method for the production thereof
02/15/2001WO2001010192A1 Irrigation device
02/15/2001DE19938674A1 Flachmembranstapel und Verfahren zu seiner Herstellung Flat membrane stack and process for its preparation
02/14/2001EP1075190A1 A process for the preparation of colostrum
02/14/2001CN1061903C SAPO-34/metal or ceramic catalyzing composite material and its prepn
02/14/2001CN1061900C SAPO-34/ceramic composite separation film and its prepn
02/13/2001US6187987 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
02/13/2001US6187412 Silicon article having columns and method of making
02/13/2001US6187196 Membrane separation of components in a fluid mixture
02/13/2001US6187195 Use of polyaspartic acids and their mixtures with surfactants and emulsifiers for inhibiting or delaying deposit formation by sparingly soluble organic and inorganic components in the treatemnt of an aqueous feed using at least one membrane
02/13/2001US6187157 Multi-phase solid electrolyte ionic transport membrane and method for fabricating same
02/13/2001US6186341 Integrity testable filtration unit using supported hydrophilic porous membranes
02/13/2001CA2027901C Hardened gum formed-in-place membranes