Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
11/2003
11/05/2003CN1126588C Nano sieve membrane reactor of MnO2
11/04/2003US6641647 Hydrogen-permeable structure and method of manufacturing the same
10/2003
10/30/2003WO2003089372A2 Method for purifying solutions containing cyanamide
10/30/2003WO2003089234A1 Membrane composite structure and method of production
10/30/2003WO2003089225A1 Method for forming hollow fibers
10/30/2003WO2003089120A1 Hollow fibres
10/30/2003WO2003089117A1 Hydrogen separation using oxygen ion-electron mixed conducting membranes
10/30/2003WO2003014201A9 Membranes for ion transport
10/30/2003WO2002064242A3 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
10/30/2003WO2002005937A8 Asymmetric, permanently hydrophilic filtration membranes
10/30/2003US20030203271 Micron-scale features are molded into the polymeric material polydimethylsiloxane
10/30/2003US20030203183 Membrane module elements
10/30/2003US20030201231 Microporous filter media, filtration systems containing same, and methods of making and using
10/30/2003US20030200834 Method for forming chromium anisotropic metal particles
10/30/2003CA2482844A1 Membrane composite structure and method of production
10/30/2003CA2480432A1 Hollow fibres
10/29/2003EP1357626A1 Process for manufacturing a porous body
10/29/2003EP1356856A1 Silicone-coated organic solvent resistant polyamide composite nanofiltration membrane, and method for preparing the same
10/29/2003CN1452590A Metal bearing membranes
10/29/2003CN1452508A Ceramic/metal composite article, composite structure for transporting oxide ion, and composite article having sealing property
10/29/2003CN1451469A Hollow fibre ultrafiltration membrane of phenodiazine polyether-sulphone-ketone material and preparing process thereof
10/29/2003CN1451468A Phenodiazine polyether-sulphone-ketone polymer alloy ultrafiltering membrane and preparing method thereof
10/29/2003CN1451467A Polyelectrolyte membrane for osmotic vaporization and method for making said membrane
10/29/2003CN1451466A Polyelectrolyte membrane for osmotic vaporization and method for making said membrane
10/29/2003CN1125669C Polysulfone hollow fiber semipermeable membrante, and prepring method and use thereof
10/28/2003US6639108 Ammoximation of ketones and work-up by pervaporation/vapor permeation
10/28/2003US6638988 Porous film, separator for cell, and cell
10/28/2003US6638575 Plasma sprayed oxygen transport membrane coatings
10/28/2003CA2252679C Integral multi-layered ion-exchange composite membranes
10/23/2003WO2003086595A1 Hydrophobic membrane materials for filter venting applications
10/23/2003WO2003086594A1 Use of hydrophobically modified copolymers based on n-vinyl monomers for the production of membranes
10/23/2003WO2003086577A1 Leukocyte filter construction and a method of use thereof
10/23/2003WO2003002237A3 Use of membranes to separate organic liquids having different polarities
10/23/2003US20030199081 Utilized to implement a polymerase chain reaction (PCR); contains sample polynucletide, polymerase, nucleoside triphosphates, primers, and a temperature controller for controlling temperature of contents of chamber;
10/23/2003US20030197308 Microstructure tube; uniform overcoatings; gas permeability
10/23/2003US20030196964 A microporous structure having a mean flow path of </=0.6 micron; and a microbiological interception enhancing agent of a cationic metal complex capable of imparting a positive charge, preferably having an immobilized adsorbent prefilter
10/23/2003US20030196963 A microporous structure having a mean flow path of </=1 micron; and, a microbiological interception enhancing agent of a cationic metal complex capable of imparting a positive charge, preferably having an immobilized adsorbent prefilter
10/23/2003US20030196905 Metal membrane filter, and method and apparatus for the production thereof
10/23/2003CA2480513A1 Hydrophobic membrane materials for filter venting applications
10/22/2003EP1354073A2 Method for the treatment of work pieces with a palladium colloid solution
10/22/2003EP1354068A1 Recovery of xylose
10/22/2003EP1085936B1 A membrane and use thereof
10/22/2003EP0900249B1 Integral multi-layered ion-exchange composite membranes
10/22/2003EP0831963B1 Microfabricated porous membranes with bulk support
10/22/2003CN1450930A Soft tubing unit
10/22/2003CN1124874C Process and special equipment for preparing anti-pollution compound polyvinyl alcohol film
10/21/2003US6635594 Coating with a layer of zeolite particles of a narrow particle distribution size of between 20 and 0.01 microns
10/21/2003US6635104 Gas separation device
10/16/2003WO2003084894A1 Complex mixed conductor and its preparing method
10/16/2003WO2003084651A1 Epoxysilicone coated membranes
10/16/2003WO2003084645A1 Method for removing a nitrogen oxide from a gas
10/16/2003WO2003084628A2 Process for preparing palladium alloy composite membranes for use in hydrogen separation, palladium alloy composite membranes and products incorporating or made from the membranes
10/16/2003WO2003067691A3 Polymer electrolyte membranes for use in fuel cells
10/16/2003WO2003000390A3 Membranes and their manufacture
10/16/2003WO2002075835A3 Polymer electrolyte membrane fuel cell
10/16/2003US20030194547 Membrane composite structure and method of production
10/16/2003US20030192828 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same
10/16/2003US20030192826 Hydrophobic membrane Materials for filter venting applications
10/16/2003US20030192820 Hollow fiber membrane contactor
10/16/2003US20030192428 Hollow fiber membrane contactor
10/16/2003US20030192363 Filter for gas analysis
10/15/2003EP1351757A2 Copolyimide gas separation membranes
10/15/2003CN1449317A Module used as a filter, catalyst or heater and a method for producing the same
10/15/2003CN1449302A Modified polymer having improved properties and process for manufacturing same
10/15/2003CN1448718A Blood testing unit
10/15/2003CN1448717A Blood testing unit and blood testing method and apparatus
10/15/2003CN1124175C Preparation method of dry type polyacrylointrile ultrafiltration membrane
10/14/2003US6632850 Crystallizable propylene- containing polymer, a beta-nucleating agent, and a diluent that is miscible with the polymer at a temperature above the melting temperature of the polymer
10/14/2003US6632849 Heating a highly heat resistant resin porous film at a temperature of at least 800 C. to form channels extending from one surface to the other surface of the film
10/14/2003US6632847 Polymer composition, membrane containing said composition, method for the production and uses thereof
10/14/2003US6632366 Cellulose acetate propionate or cellulose acetate butyrate.
10/14/2003US6632361 A hydrophilically acting shaped object with porous structure forms a flat, tubular or hollow fiber membrane for pyrogen retention, comprising a synthetic polymer component and an additive of copolymer of vinylpyrrolidone and vinylimidazole
10/14/2003US6632360 Separating device comprising a ceramic membrane
10/14/2003US6632359 Apparatus with high elimination performance of low molecular weight proteins and remarkably decreased endotoxin inflow from dialyzate side obtained by adjusting membrane characteristics within certain specific values
10/09/2003WO2003083985A2 Ion exchange composite material based on proton conductive silica particles dispersed in a polymer matrix
10/09/2003WO2003082481A1 Nanoporous coatings
10/09/2003WO2003082451A1 Novel block polyester-ether gas separation membranes
10/09/2003WO2003069705A3 Tubular solid oxide fuel cell stack
10/09/2003WO2003029744A3 A thermoplastic heat exchanger and method of making the same
10/09/2003US20030190486 Process for Preparing Palladium Alloy Composite Membranes for Use in Hydrogen Separation, Palladium Alloy Composite Membranes and Products Incorporating or Made from the Membranes
10/09/2003US20030189003 Containing a main filter for blocking the leukocytes and a post-filter for preventing leakage of the leukocytes having a higher median pore size than main filter and it is placed downstream of main filter
10/09/2003US20030188637 Ceramic-metal composite body, composite structure for transporting oxide ion. and composite body having sealing property
10/09/2003CA2480345A1 Ion exchange composite material based on proton conductive silica particles dispersed in a polymer matrix
10/08/2003EP1349868A1 Process to concentrate insoluble proteins by vibrating membrane filtration
10/08/2003EP1349646A1 Material for detoxification of blood containing foreign toxic substances
10/08/2003EP1349645A1 Substance for limited selective adsorption and/or absorption of endogenic substances in the blood
10/08/2003EP1349644A1 Modified membranes
10/08/2003EP1349641A1 Device and method for cleaning a fluid, such as water
10/08/2003CN1447715A Membranes and method of manufacture thereof
10/07/2003US6630518 Ion-conductive membranes used in numerous applications such as proton conductors in fuel cells or electrolytic cells; polymer membrane material is irradiated and irradiated polymer membrane material is sulfonated
10/07/2003US6630265 Inorganic cation exchange material with silica and polymer based binders; inexpensive
10/02/2003WO2003081761A2 Conducting polymer activators based on microporous asymmetric membranes
10/02/2003WO2003081706A1 Electrolyte film and solid polymer fuel cell using the same
10/02/2003WO2003080228A1 Hollow fiber membrane contact apparatus and process
10/02/2003WO2003080227A2 Novel block polyurethane-ether and polyurea-ether gas separation membranes
10/02/2003US20030187081 Polyether-polysulfone membrane
10/02/2003US20030186801 Porous silicon nitride article and method for its production thereof
10/02/2003US20030186611 For use in packaging material or fibrous material
10/02/2003US20030186457 Blood testing unit and blood testing method and apparatus
10/02/2003US20030186428 Preparing a sample to be analyzed from a sample with very large volume