Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
05/2001
05/25/2001WO2001003815A3 Membrane used as a composite membrane for the separation of dissolved and suspended substances and dissolved salts from their carrier liquid
05/24/2001US20010001453 Inorganic nanofiltration membrane and its application in the sugar industry
05/24/2001US20010001379 Hydrogen permeation through mixed protonic-electronic conducting materials
05/23/2001EP1101792A1 Porous films and processes for the production thereof
05/23/2001EP1101790A1 Methods and apparatus for the formation of heterogeneous ion-exchange membranes
05/23/2001EP1100614A1 Polyimide membranes for recovery of aromatic solvents under hyperfiltration conditions
05/23/2001CN2431041Y Ceramic filter with composite ceramic membrane
05/23/2001CN1066214C Method of producing shaped cellulose bodies, and yarn made of cellulose filaments
05/22/2001US6235417 Two-phase hydrogen permeation membrane
05/22/2001US6235377 Microporous membrane with a stratified pore structure created in situ and process
05/22/2001US6235187 Using mixed oxide
05/17/2001WO2001034283A1 Process for co2/natural gas separation
05/17/2001DE19954158A1 Mikroporöse hydrophile Membran Microporous hydrophilic membrane
05/17/2001DE19952725C1 Gasdurchlässige Membran und deren Verwendung zur Steuerung des Gasdurchganges Gas permeable membrane and their use for the control of the gas passage
05/16/2001EP1099468A2 Microporous hydrophilic membrane
05/16/2001EP1098842A1 Composite materials for membrane reactors
05/16/2001EP1098841A1 Hydrogen generators
05/16/2001EP1098691A1 Antimicrobial semi-permeable membranes
05/16/2001EP0576659B1 Membrane, rectifying dialyzer, bioreactor and the relevant use thereof
05/16/2001CN1294944A Preparation of molecular sieve film of porous material
05/16/2001CN1065927C Electrochemical process for producing unsaturated hydrocarbon compounds from stauarated hydrocarbon compound
05/15/2001US6232253 A transition metal loaded on said membrane wherein said transition metal is selected from the group consisting of fe, cu, co, cr, ag, ni, mn, zn, ca, and mixtures thereof.
05/15/2001US6231642 Glass membrane for controlled diffusion of gases
05/15/2001US6230614 Device for reducing the oxidation of food products
05/10/2001WO2001032236A1 Filter for selectively removing leukocyte
05/09/2001EP1097962A1 Polyolefin microporous film and method for preparing the same
05/09/2001EP1097961A1 Polyolefin microporous film and method for preparing the same
05/09/2001EP1096987A1 Filter assemblies
05/09/2001CN1294610A MIcroporous polyolefin film
05/09/2001CN1294608A Polyolefin microporous film and method for preparing same
05/09/2001CN1294607A Polyolefin microporous film and method for preparing same
05/09/2001CN1065450C Molecular sieve layers and process for their manufacture
05/08/2001US6228477 Composite
05/08/2001US6228426 Process for preparing composite inorganic membranes
05/08/2001US6228262 Polysulfone based hollow fiber membrane, and a process for preparing the same
05/08/2001US6228147 Adding steam and/or carbon dioxide as a sweep gas into a hydrogen separation portion of a reaction chamber
05/08/2001US6227382 Water filtration apparatus
05/03/2001WO2001031330A1 Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus
05/03/2001DE19882417C2 Nichtporöse, gasdurchlässige Membran Non-porous, gas permeable membrane
05/03/2001CA2389042A1 Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus
05/02/2001EP1096591A1 Polymer electrolyte membrane for use in lithium batteries
05/02/2001EP1095695A2 Novel polyimide amic acid salts and polyimide membranes formed therefrom
05/02/2001EP1095694A2 Gas permeable membrane and use thereof for controlling gas passage
05/02/2001EP1094940A1 Cellulosic web with a permeant barrier or contaminant trap
05/02/2001EP1094891A1 Preparation of an organic compound by a condensation reaction
05/02/2001EP1094883A1 Apparatus, membranes and methods for removing organic compounds from a biological fluid
05/02/2001EP1094876A1 Composite membranes and methods for making such membranes
05/02/2001CN2428210Y Inorganic-diaphragm automatic low-temp. sterilizing micro-filtering apparatus for beer
05/02/2001CN1293081A Polyimide gas separation membrane
05/02/2001CN1293080A Production of improved polyimide separation membrane and its use
05/01/2001US6225246 Relates to ultra and nano filtration, and in particular to a functionality gradient self-supporting ceramic structure which can be used therefor.
05/01/2001US6224756 Apparatus for treating organic raw water utilizing anaerobic microorganisms
04/2001
04/26/2001WO2001028667A1 Heat-resistant microporous film
04/26/2001WO2001028597A1 Filtering unit for a virucide substance
04/26/2001WO2000069790A3 Method of producing aluminum oxides and products obtained on the basis thereof
04/26/2001WO2000062885A3 Method for preparing carbon membranes for separating gases
04/26/2001US20010000380 Membrane reactor including a flowing coolant in thermal contact with said chamber withdrawing thermal energy from said chamber; water gas shift reaction
04/26/2001CA2324127A1 Polymer electrolyte membrane for use in lithium batteries
04/25/2001EP1093823A1 Filtration unit for a virucidal substance
04/25/2001EP0784503B1 A filter, apparatus including the filter and a method of use of the apparatus
04/25/2001CN1292723A Composite semipermeable membrane, procedss for producing the same, and method of purifying water with the same
04/25/2001CN1292643A A process for preparation of colostrum
04/25/2001CN1292302A Air filter material, filter assembly and filter unit and manufacturing method of air filter material
04/24/2001US6221942 Dissolving zirconyl nitrate with silicon alkoxide
04/24/2001US6221476 Binding metal compounds
04/24/2001US6221247 Dioxole coated membrane module for ultrafiltration or microfiltration of aqueous suspensions
04/19/2001CA2323721A1 Hydrogen separator
04/18/2001EP0946354A4 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
04/17/2001US6218441 Melt-spun polysulfone semipermeable membranes and methods for making the same
04/17/2001US6218013 A non-porous, layered thermoplastic film comprising a polymer film layer and a barrier layer of polyester and compatible etherified, esterified, oxyalkylated and hydrocarbylsilyl etherified cyclodextrin derivative
04/17/2001US6218000 Stretching and sintering a tape made of a mixture of polytetrafluoroethylene and nanoparticles; thickness of less than 55 micrometers; abrasion resistance
04/12/2001WO2001007148A9 Polymer membrane for the separation of gas mixture
04/12/2001WO2000076011A3 Methods of preparing a microporous article
04/12/2001WO2000045447A8 Proton conducting membrane using a solid acid
04/11/2001EP1090676A1 Air filter medium, air filter pack and air filter unit comprising the same, and method for producing air filter medium
04/11/2001EP1090672A1 Honeycomb type gas separating membrane structure
04/11/2001EP1090671A1 Honeycomb type gas separating membrane
04/11/2001EP1090436A1 Process of making a composite menbrane
04/11/2001EP1089806A1 Process of producing a microporous hydrophobic inorganic membrane
04/11/2001EP1089800A1 Filtration and extraction device and method of using the same
04/11/2001EP0647250B1 Porous polytetrafluoroethylene and preparation
04/11/2001CN1290678A Inorganic film reactor for anaerobic dehydrogenation and aromatization of propane
04/10/2001US6214936 Microphase-separated polymer blends consisting of triblock copolymer of vinylaromatic, an elastomeric middle block of conjugated diene and c1 to c18 alkyl ester of (meth)acrylic acid, and diblock of vinylaromatic and (meth)acrylic ester
04/10/2001US6214757 Oxidation with oxygen gas, oxidation-reduction zones separated by membranes, heating and treating with oxygen
04/10/2001US6214488 Polymer electrolyte membrane and process for the production thereof
04/10/2001US6214382 For use in filtration such as micro-filtration membrane, ultra filtration membrane, a membrane for medical use
04/10/2001US6214093 Filter medium for air filters
04/10/2001US6214090 Thermally tolerant multilayer metal membrane
04/10/2001US6214089 Concentrating low concentration gas mixtures of perfluorocompound gases such as those present in the effluent of a semiconductor manufacturing process, using a membrane selective for a carrier gas
04/10/2001US6214078 Permeable refractory product comprising a matrix of recrystallized silicon carbide having porosity; use as hot gas filter
04/10/2001CA2066119C Heat-resisting porous membrane, hydrophilized heat-resisting porous membrane and production processes thereof
04/10/2001CA2008328C Semipermeable membrane made from a homogeneously miscible polymer blend
04/05/2001WO2001023078A1 Membrane and use thereof
04/05/2001WO2001023077A1 Process for producing composite semipermeable membrane
04/05/2001DE19947505A1 Verfahren zur Herstellung organischer Verbindungen im Membranreaktor Process for the preparation of organic compounds in the membrane reactor
04/04/2001EP1089077A2 Separation of a cellular suspension into cellular material and a filtrate
04/04/2001EP1088587A2 Process for the production of organic compounds in a membrane reactor
04/04/2001EP1087834A1 High performance composite membrane
04/04/2001EP1087833A1 Filtration system suitable for microfiltration, ultrafiltration or reverse osmosis
04/04/2001EP0686085B1 Process of making microporous pps membranes