Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
03/2003
03/18/2003WO2002024315A1 Porous membrane
03/18/2003US6533855 Dispersions of silicalite and zeolite nanoparticles in nonpolar solvents
03/18/2003CA2422697A1 Porous membrane
03/18/2003CA2259756C Fluid separation devices capable of operating under high carbon dioxide partial pressures which utilize creep-resistant solid-state membranes formed from a mixed conducting multicomponent metallic oxide
03/13/2003WO2003020641A1 Small crystallite zeolite cha
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
03/13/2003US20030047069 Passing the gas mixture over at least one adsorption or membrane stage containing or consisting of a zeolite and recovering separated sulfur oxyfluorides
03/12/2003EP1291588A1 Humidity augmenting apparatus
03/12/2003EP1291585A2 Gas/liquid separation devices
03/12/2003EP1291322A1 Process for increasing the moisture content in a dehydrated matter
03/12/2003EP1291060A2 Porous polytetrafluoroethylene Membrane and air filter medium
03/12/2003EP1290930A1 Process for germinating plant seeds and growing a seedling
03/12/2003EP1290069A2 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation
03/12/2003EP1289637A2 Polysulfonamide matrices
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
03/12/2003EP1289628A2 Acid stable membranes for nanofiltration
03/12/2003EP1289626A1 Composite ceramic membrane oxygen separation method
03/12/2003EP1235502A4 Drinking element
03/12/2003CN1102865C Method for separating and concentrating certain ions using ion binding ligands bonded to membranes
03/11/2003US6531569 Halogenated polyimides having heat and chemical resistance used as permselective membranes
03/11/2003US6531267 Process for producing acid sensitive liquid composition containing a carbonate
03/07/2003WO2002020143A1 Ceramic/metal composite article, composite structure for transporting oxide ion, and composite article having sealing property
03/06/2003WO2003018655A1 Process for preparing graft copolymer membranes
03/06/2003WO2003018654A1 Process for preparing graft copolymer membranes
03/06/2003US20030044669 Polymer electrolyte membrane and fuel cell
03/06/2003US20030042188 Apparatus for purification of nucleic acids
03/06/2003US20030041911 Burdoin tubing in degassing and pulsation dampener application
03/06/2003CA2458957A1 Oil dehydrator
03/06/2003CA2458630A1 Process for preparing graft copolymer membranes
03/05/2003EP1289043A1 Proton exchange composite membranes, composite solutions and method for the manufacturing a fuel cell using the same
03/05/2003EP1288193A2 Ammoximation of ketones and method of processing by pervaporation/vapor permeation
03/05/2003EP1287877A1 Structured membrane
03/05/2003EP1287875A2 System for separation and recovery of perfluorocompound gases
03/05/2003EP1287874A1 Gas separation membrane and method of producing the same
03/05/2003EP1287112A2 Preparing a sample to be analysed from a sample with very large volume
03/05/2003EP1286933A1 Method for producing porous inorganic solids on the basis of an aqueous composite particle dispersion
03/05/2003EP1286919A1 Compounds derived from la 2?mo 2?o 9? and their use as ionic conductors
03/05/2003EP1156868B1 Method for manufacturing a membrane
03/05/2003CN1400920A Filter device, preferably a hollow fibre dialyser, comprising curled hollow fibres
03/05/2003CN1400919A Porous or non porous substrate coated with a polymeric composition having hydrophilic functional groups and process
03/05/2003CN1102536C Preparation method and equipment of liuhuan function water
03/04/2003US6528214 Slurrying mixture of fine and coarse mineral particles in liquid, applying to porous mold to form green intermediate product on surface in which stratification occurs; density and porosity of ceramic are uniformly decreased across membrane
03/04/2003US6527833 Hydrogen-selective silica based membrane
03/04/2003US6527828 Oxygen enhanced CDA modification to a CDO integrated scrubber
03/04/2003US6527827 Thermomembrane method and device
02/2003
02/27/2003WO2003016384A2 Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell
02/27/2003WO2003015903A1 Hollow fiber membrane for the treatment of waste lubricants and method for its production
02/27/2003WO2003015902A2 High strength asymmetric cellulosic membrane
02/27/2003US20030039774 Pre-sintering titania powder; reduction of particle sizes to screening refuse
02/27/2003US20030039609 A crystallized zeolite composed of tetrapropylammonium ion and silica sol to form zeolite shaped body, also capable of forming a zeolite membrane thereon without causing cracking; used as a gas separation membrane of a molecular sieve
02/27/2003US20030038391 Methods and systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch
02/27/2003US20030038081 For microfiltration and ultrafiltration; membranes are internally hydrophilic; separation of proteins from liquids such as milk
02/27/2003US20030038074 Antimicrobial semi-permeable membranes
02/27/2003CA2454856A1 High strength asymmetric cellulosic membrane
02/26/2003EP1285688A1 A process for impregnating supports
02/26/2003EP1285024A1 Assembly of free-standing films using a layer-by-layer process
02/26/2003EP1285003A1 Use of a secondary cell wall polymer of procaryotic microorganisms
02/26/2003EP1284933A1 Electrodialysis membrane and gasket stack system
02/26/2003EP1284812A2 Process of forming multilayered structures
02/26/2003EP1284811A1 Method of manufacturing membranes and the resulting membranes
02/26/2003EP1284810A1 Oil dehydrator
02/26/2003EP1284809A1 Small separation apparatus
02/26/2003EP1284808A1 Separation of micromolecules
02/26/2003EP1202794B1 Membrane used as a composite membrane for the separation of dissolved and suspended substances and dissolved salts from their carrier liquid
02/26/2003EP1135427B1 Method for producing cross-linked cation polymers with a reduced aox content
02/26/2003CN1399566A Filter for selectively removing leukocyte
02/26/2003CN1398974A Solid-liquid separation process of concentrated fermented rice liquid
02/25/2003US6524478 Apparatus for filtering and separating particularly biologically organic fluids
02/25/2003US6524421 Applying hydrostatic pressure to mold of cylindrical configuration; lamination
02/25/2003US6523699 Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode
02/20/2003WO2003014201A2 Membranes for ion transport
02/20/2003WO2003013708A2 Hybrid membrane, method for the production thereof and use of said membrane
02/20/2003WO2002085481A3 Polymeric membranes functionalized with egta ligands
02/20/2003US20030036577 Microporous materials and methods of making the same
02/20/2003US20030036085 Composite for use in the analysis of biopolymers
02/20/2003US20030035991 Dendrimeric polymers covalently linked into a network structure having acid functional terminal groups and may be covalently linked via linking compounds, cross-coupling reactions, or copolymerization reactions.
02/20/2003US20030035898 With aqueous colloidal dispersion of thermoplastic (per)fluoropolymers to obtain transpartent thin membranes for use in fuel cells and electrochemical processes
02/20/2003US20030034304 N-acetylated chitosan membranes
02/20/2003US20030034295 Supported mesoporous carbon ultrafiltration membrane and process for making the same
02/20/2003US20030033933 Fluid separation assembly
02/20/2003US20030033931 Porous gas permeable material for gas separation
02/20/2003US20030033929 Gas separation using organic-vapor-resistant membranes and PSA
02/19/2003EP1283742A1 Separation module and method for producing the same
02/19/2003CN1398197A Hydrogen-permeable structure and method for prepn. thereof
02/19/2003CN1101783C LaMO3 type composition, M being aluminium, gallium or indium, ir powder or sintered form, method of prepn. and use as conductor of oxygen
02/18/2003US6521277 Process for the preparation of colostrum
02/18/2003US6521130 Process for producing composite semipermeable membrane
02/17/2003CA2355437A1 N-acetylated chitosan membranes
02/15/2003CA2385947A1 Chemical modification of polyimides
02/14/2003WO2002015305A2 Method for separating carbon dioxide from a fuel and water mixture and a corresponding device
02/14/2003CA2419448A1 Method for separating carbon dioxide out of a mixture of water and fuel, and corresponding device
02/14/2003CA2397022A1 Structured membrane
02/13/2003WO2003011433A1 Metal solution-diffusion membrane and method for producing the same
02/13/2003WO2002000773A9 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation
02/13/2003US20030032739 Covalently cross-linked ionomer membranes, which is based on an alkylation reaction of sulfinate group-containing polymers with a dihaloalkane or haloaromatic crosslinking agent; use in fuel cells; mechanical properties
02/13/2003US20030031924 High crystalline polypropylene microporous membrane, multicomponent microporous membrane and method for preparing the same
02/13/2003US20030031857 Process for making porous molded bodies of thermoplastic polymers
02/13/2003US20030031613 Chemical reactor for gas phase reactant catalytic reactions