Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
05/2003
05/15/2003WO2003039721A1 Package assembly for piperazine-based membranes
05/15/2003US20030089666 Ethyleneglycol-bis-( beta -aminoethylether)-N,N,N,N'-tetra acetic acid (egta); removing, separating, and/or concentrating divalent metal ions in solution from other ions
05/15/2003US20030089660 Asymmetric porous polytetrafluoroethylene membrane and process for preparing the same
05/15/2003US20030089235 Gas separation membrane and method of producing the same
05/14/2003EP1310291A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter
05/14/2003EP1310005A1 Multi-component composite film method for preparing the same
05/13/2003US6562583 Method for detecting microorganisms in gases
05/08/2003US20030087083 Method for creating pores in a polymer material
05/07/2003EP1307280A1 Unsupported multizone microporous membrane
05/07/2003EP1202857A4 Polymeric membranes functionalized with polyhydroxypyridinone ligands
05/07/2003EP1051236B1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof
05/06/2003US6559192 Semipermeable porous membranes of semi-crystalline fluoropolymers
05/06/2003US6558546 Separation membranes
05/06/2003US6558455 Porous gas permeable material for gas separation
05/02/2003EP1306121A1 Modified hollow-fiber membrane
05/02/2003EP1177025A4 Improved water purification pack
05/01/2003WO2003035233A1 Separating device, analysis system, separation method and method for manufacture of separating device
05/01/2003WO2003035232A1 Porous polyethylene membrane
05/01/2003US20030082308 Process for producing a coating film and process for producing a solid polymer electrolyte fuel cell
05/01/2003US20030080049 Permeability; for separating pure molecules from mixtures
05/01/2003US20030080042 Adjustable nanopore, nanotome, and nanotweezer
05/01/2003CA2465099A1 Separation device, analysis system, separation method, and method of manufacturing the separation device
05/01/2003CA2464328A1 Porous polyethylene membrane
04/2003
04/30/2003CN1414891A Thin porous layer with open porosity and method for production thereof
04/24/2003WO2003034529A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability
04/24/2003WO2003033576A1 Solid polymer membrane for fuel cell prepared by in situ polymerization
04/24/2003WO2003033575A1 Polymer based permeable membrane for removal of ions
04/24/2003WO2003033053A1 Method of selectively eliminating virus and leukocytes, eliminating material and eliminating apparatus
04/24/2003US20030077435 Wetting substrate with terpolymer
04/24/2003US20030075516 For removing platelet concentrate or apheresis platelets from blood during storage
04/24/2003US20030075044 Vibration/rotation from microwave energy alters molecular structure/polarity of membrane; pervaporation
04/24/2003CA2464351A1 Method for selectively removing virus and leukocytes, removing material and removing apparatus
04/24/2003CA2462814A1 Solid polymer membrane for fuel cell with polyamine imbibed therein for reducing methanol permeability
04/24/2003CA2459357A1 Solid polymer membrane for fuel cell prepared by in situ polymerization
04/23/2003WO2002034374A1 Hydrophilized membrane and method of hydrophilization therefor
04/23/2003EP1019238B1 Microporous membrane with a stratified pore structure created in situ and process
04/23/2003EP0868208B1 Affinity membrane system and method of using same
04/23/2003CA2426498A1 Hydrophilized membrane and process for hydrophilization thereof
04/22/2003US6551684 Substrate with interstitial gaps having polymeric membrane within the gaps that are thinner than the cross-sectional thickness of the substrate
04/22/2003US6551536 Reverse osmosis membrane having excellent anti-fouling property and method for manufacturing the same
04/17/2003WO2003031696A1 Hollow fibre consisting of an inorganic material which can be sintered, and method for producing the same
04/17/2003WO2003031533A1 Hydrophilic material and process for producing the same
04/17/2003WO2003031038A1 Hollow fiber film and method for production thereof
04/17/2003WO2003031036A2 Composite nanofiltratrion and reverse osmosis membranes and method for producing the same
04/17/2003WO2002036249A1 Novel membranes having improved mechanical properties, for use in fuel cells
04/17/2003US20030070545 Chemical modification of polyimides
04/16/2003EP1301559A1 Modified sulfonamide polymers
04/16/2003EP1301256A2 Method for modifying membrane rejection characteristics
04/16/2003EP0757589B1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
04/16/2003CN1105594C Microporous membrane and method for producing same
04/15/2003US6547859 Process for making microporous membranes having selected gas-selective sites and the membranes so made
04/10/2003US20030066805 Method of treating reverse osmosis membrane element, and reverse osmosis membrane module
04/10/2003US20030066796 Composite nanofiltration and reverse osmosis membranes and method for producing the same
04/10/2003US20030066426 Gas-liquid separation membrane and production method thereof
04/09/2003EP1300436A1 Method for producing thermoplastic resin micro-porous film
04/09/2003EP1300187A1 Method for controlling permeability by high frequency wave and method for producing organic membrane for separation
04/09/2003EP1299462A1 Membrane and the use thereof
04/09/2003EP1299178A1 Improved silica membranes and process of production thereof
04/08/2003US6544422 Method of making a composition for separating and concentrating certain ions from mixed ion solutions
04/08/2003US6544419 Reacting an polyamino resin with organosilicon compound
04/08/2003US6544418 Preparing and regenerating a composite polymer and silica-based membrane
04/08/2003CA2320263C Process of forming a permeable gas separation material
04/03/2003WO2003026832A1 Forming a perforate membrane by laser drilling and a subsequent electro-polishing step
04/03/2003WO2003026779A1 Multilayer microporous film
04/03/2003WO2002062880A3 Asymmetric hydrophilic membrane by grafting
04/03/2003WO2002004083A9 Surface modified membranes and methods for producing the same
04/03/2003US20030064003 Artificial lung of membrane type
04/02/2003EP1298752A1 Process for producing a coating film and process for producing a solid polymer electrolyte fuel cell
04/02/2003EP1297855A1 Artificial lung of membrane type
04/02/2003EP1297330A2 Surface coating on a liquid/solid contact surface for controlling electroosmotic processes
04/02/2003CN1104458C Microporous film of high molecular weight polyolefin and process for producing same
04/01/2003US6540953 Microporous membrane and method for providing the same
04/01/2003US6540813 Method of preparing composite gas separation membranes from perfluoropolymers
03/2003
03/27/2003WO2003024576A2 Filtration membrane
03/27/2003US20030060521 Polymer having a hydrophobic hydrocarbon region, a hydrophilic region containing covalently bound acid functional groups and protic functional groups; especially block polymers and interpenetrating polymer networks
03/27/2003US20030059346 Method and apparatus for environmental phosphate/nitrate pollution removal using a selectively permeable molecularly imprinted polymer membrane
03/26/2003EP1295647A1 Nozzles in perforate membranes and their manufacture
03/26/2003EP1295631A2 Method of treating reverse osmosis membrane element and reverse osmosis membrane module
03/26/2003EP0946220B1 Reactive coatings
03/26/2003CN1103682C Highly porous polyvinylidene difluoride membranes and filter produced therefrom
03/26/2003CN1103625C High-permeability composite reverse osmosis membrane and reverse osmosis membrane assembly using same
03/26/2003CA2404983A1 Process for producing a coating film and process for producing a solid polymer electrolyte fuel cell
03/20/2003WO2003023890A2 Hydrophilic polymers and their use in electrochemical cells
03/20/2003WO2003022412A2 Proton-conducting membrane and the use of the same
03/20/2003WO2003022411A1 Semipermeable composite membrane and process for producing the same
03/20/2003US20030054154 Method of making a porous green form and oxygen transport membrane
03/20/2003US20030052055 Hollow fiber membrane, hollow fiber membrane module, and water purifier
03/20/2003CA2736066A1 Hydrophilic polymers and their use in electrochemical cells
03/19/2003EP0707033B1 Composite porous polytetrafluoroethylene membrane
03/19/2003CN1403269A Method for producing microporous barrier with layered porous structure generated in-situ
03/13/2003WO2003020425A1 Multi-layer coated porous materials and methods of making the same
03/13/2003US20030047505 Tubular filter with branched nanoporous membrane integrated with a support and method of producing same
03/12/2003EP1291060A2 Porous polytetrafluoroethylene Membrane and air filter medium
03/12/2003EP1290069A2 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation
03/12/2003EP1289636A1 Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
03/12/2003EP1289635A1 Method for making a nanofiltration membrane, and resulting membrane
03/12/2003EP1289630A1 Module with membrane elements in a cross-flow and in a dead-end arrangement
03/12/2003CN1401417A Reverse osmosis separating membrane with excellent antiscaling nature, method for mfg. same
03/12/2003CN1102865C Method for separating and concentrating certain ions using ion binding ligands bonded to membranes
03/06/2003WO2003018655A1 Process for preparing graft copolymer membranes
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