| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 12/02/2009 | EP2125167A2 Liquid-phase and vapor-phase dehydration of organic/water solutions |
| 12/02/2009 | EP2125166A1 A gas separation membrane system and a method of preparing or reconditioning and the use thereof |
| 12/02/2009 | CN101590377A Polyvinyl alcohol amphoteric polyelectrolyte membrane for pervaporation and preparation method thereof |
| 12/02/2009 | CN101590376A Preparation of blending polyvinylidene fluoride hollow fiber membrane with improved dimensional stability |
| 12/02/2009 | CN101590375A Composite membrane for removing organic sulfide from liquefied gas and preparation method thereof |
| 12/02/2009 | CN101590374A Polyvinylidene fluoride hollow fiber film and preparation method thereof |
| 12/02/2009 | CN101590373A Preparation method of 4A zeolite filled cellulose acetate membrane and application thereof |
| 12/02/2009 | CN100564488C Membrane separation for sulfur reduction |
| 12/02/2009 | CN100564433C Polyolefin microporous membrane and method of evaluating the same |
| 12/02/2009 | CN100563819C Separating film with photocatalysis property and method for preparing the same |
| 12/02/2009 | CN100563802C Semipermeable composite membrane and process for producing the same |
| 12/02/2009 | CN100563801C Method for preparing multi-channel type hydrogen permeation palladium-based composite membrane |
| 12/02/2009 | CN100563800C Permselective membrane and process for manufacturing thereof |
| 12/02/2009 | CN100563799C Preparation technique of porous stainless steel-ceramic compound film |
| 12/02/2009 | CN100563781C Ceramic filter |
| 11/26/2009 | WO2009142398A2 Membrane and media of metal (iii) orthophosphates for extraction of high purity bioethanol, a preparation method thereof and a preparation method of high purity bioethanol using the same |
| 11/26/2009 | WO2009122679A8 Dialysis membrane |
| 11/25/2009 | EP2122030A1 Microfiber split film filter felt and method of making same |
| 11/25/2009 | EP1412064B1 Method for producing a discoid filtration body |
| 11/25/2009 | EP1165214B1 Method for producing a non-thrombogenic semipermeable membrane |
| 11/25/2009 | CN101588859A A tubular braid and composite hollow fiber membrane using the same |
| 11/25/2009 | CN100562357C Preparation of porous membrane by utilizing industrial waste residue |
| 11/25/2009 | CN100562356C Hydrophilic polyvinyl chloride alloy hollow fiber filtering film and method for producing the same |
| 11/25/2009 | CN100562353C Oxygen-permeable film, oxygen-permeable sheet and electric cell comprising the same |
| 11/24/2009 | US7622045 Hydrophilic cross-linked polymeric membranes and sorbents |
| 11/24/2009 | US7621979 Carbon film laminate and method for production thereof, and VOC removing device |
| 11/24/2009 | CA2402841C Ion exchange materials |
| 11/19/2009 | WO2009140565A1 Method of making a high-performance supported gas separation molecular sieve membrane using a shortened crystallization time |
| 11/19/2009 | US20090286178 Process for producing resist composition, filtering apparatus, resist composition applicator, and resist composition |
| 11/19/2009 | US20090282983 Hydrothermally-stable silica-based composite membranes for hydrogen separation |
| 11/19/2009 | US20090282982 Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same |
| 11/19/2009 | CA2724351A1 Method of making a high-performance supported gas separation molecular sieve membrane using a shortened crystallization time |
| 11/19/2009 | CA2666106A1 Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same |
| 11/19/2009 | CA2666101A1 Hollow fiber, dope composition for forming hollow fiber, and method of preparing hollow fiber using the same |
| 11/18/2009 | EP2119666A1 Method of transporting fluid |
| 11/18/2009 | EP2119494A1 Hollow-fiber membrane and hollow-fiber-membrane module having the same included therein |
| 11/18/2009 | EP2119493A1 Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium |
| 11/18/2009 | EP2117688A2 Modified polyamide membrane |
| 11/18/2009 | EP2117687A1 Inorganic membranes and method of making |
| 11/18/2009 | EP2117686A1 Membrane structures and their production and use |
| 11/18/2009 | EP2117685A1 Cross-linked cellulose membranes |
| 11/18/2009 | EP2117678A1 High temperature stable polyelectrolytes having backbone aromatic groups |
| 11/18/2009 | EP1617936B1 Composite materials comprising supported porous gels |
| 11/18/2009 | CN101583657A Process for producing microporous polymeric object, microporous polymeric object, and separation membrane |
| 11/18/2009 | CN101580598A Porous polytetrafluoroethylene membrane and method of producing the same, and filter medium |
| 11/18/2009 | CN101579644A Planar ceramic membrane assembly and preparation method thereof, carrier layer assembly and preparation method thereof, hydrocarbon oxidation method and ceramic membrane lamination |
| 11/18/2009 | CN101579604A Method for preparing pipe-type composite hollow fiber membrane |
| 11/18/2009 | CN100560192C Gama-polyglutamic acid compound film producing method |
| 11/18/2009 | CN100560191C In-situ polymerization process for preparing polyaniline composite hyperfiltration membrane |
| 11/17/2009 | CA2567754C Method of manufacturing a hydrogen separation substrate |
| 11/17/2009 | CA2409569C Polysulfonamide matrices |
| 11/12/2009 | WO2009137245A2 Fluoropolymer coated membranes |
| 11/12/2009 | US20090277837 Fluoropolymer Coated Membranes |
| 11/12/2009 | DE102005056564B4 Polymerelektrolytmembran mit Koordinationspolymer, Verfahren zu seiner Herstellung sowie Verwendung in einer Brennstoffzelle Polymer electrolyte membrane having coordination polymer, method for its preparation and use in a fuel cell |
| 11/11/2009 | CN101578129A Hollow fiber membrane and method for manufacturing thereof |
| 11/11/2009 | CN101575210A Method for improving structural stability of BaCo0.7Fe0.2Nb0.1O3-Delta oxygen permeation membrane material |
| 11/11/2009 | CN101574629A Method for preparing polyvinyl alcohol/polyether sulfone pervaporation composite membrane |
| 11/11/2009 | CN101574628A Method for preparing HZSM5 zeolite filled cellulose acetate membrane and application thereof |
| 11/11/2009 | CN101574627A Preparation method and application of hybrid pervaporation membrane |
| 11/11/2009 | CN100558452C Semipermeable composite membrane and process for producing the same |
| 11/11/2009 | CN100558451C Process for producing semipermeable composite membrane |
| 11/10/2009 | US7615599 Functionalized main chain polymers |
| 11/10/2009 | CA2304470C Recovery and reuse of nonionic surfactants from aqueous solutions |
| 11/05/2009 | WO2009133857A1 Exhaust gas purifying filter |
| 11/05/2009 | WO2009132839A1 Hydrophobic deaeration membrane |
| 11/05/2009 | DE102008020291A1 Preparing module for water purification for electronic industry, boiler water purification, drinking water production from brackish water and sea water or sewage cleaning, involves providing housing |
| 11/05/2009 | CA2717890A1 Hydrophobic deaeration membrane |
| 11/04/2009 | EP2113298A1 Hollow fibre membrane with improved permeability and selectivity |
| 11/03/2009 | US7611629 UV treated membranes |
| 11/03/2009 | US7611628 Ordered nanoporous permeable membrane; tightly controlled pore size, and is resistant to solvent effects (swelling); applications in chemical separations, ion channel mimetics, drug delivery, and waste water remediation |
| 11/03/2009 | CA2345528C Improved cold gas-dynamic spraying process |
| 10/29/2009 | WO2009129984A1 Carbon membranes from cellulose esters |
| 10/29/2009 | US20090269586 Multimicrolamellar Collagen Membranes |
| 10/29/2009 | CA2721860A1 Carbon membranes from cellulose esters |
| 10/28/2009 | EP2111915A1 Microporous polymeric membrane, battery separator and battery |
| 10/28/2009 | EP2111914A1 Multi-layer microporous membrane, battery separator and battery |
| 10/28/2009 | EP2111913A1 Microporous membrane and manufacturing method |
| 10/28/2009 | EP2111912A1 Microporous polyolefin membrane and manufacturing method |
| 10/28/2009 | EP2111911A1 Multi-Layer Microporous Membrane, Battery Separator and Battery |
| 10/28/2009 | EP2111910A1 System And Process For Producing A Multilayer Microporous Membrane |
| 10/28/2009 | EP2111909A1 Microporous Polyolefin Membrane And Manufacturing Method |
| 10/28/2009 | EP2111908A1 Microporous Membrane And Manufacturing Method |
| 10/28/2009 | EP2111481A1 Plasma deposited microporous carbon material |
| 10/28/2009 | CN101568374A Separation membrane and method for production thereof |
| 10/28/2009 | CN101568373A A gas separation membrane comprising a substrate with a layer of coated inorganic oxide particles and an overlayer of a gas-selective material, and its manufacture and use |
| 10/28/2009 | CN101568370A Gas separation membranes |
| 10/28/2009 | CN101565395A Technique for extracting L-tryptophan in fermentation liquor |
| 10/28/2009 | CN101564656A Preparation of nanometer composite affinity membrane used for rapidly and efficiently separating and purifying thiol protease |
| 10/28/2009 | CN101564655A Nano microcrystal filter stick with bacteria filtering function |
| 10/28/2009 | CN101564654A Heat-variable separating membrane and preparation method thereof |
| 10/28/2009 | CN101564653A Method for preparing polyolefin micro-porous membrane |
| 10/28/2009 | CN101564652A Preparation method of nanofiltration membrane by particle packing method |
| 10/28/2009 | CN100553752C Method for producing PVDF flat ultrafiltration membrane with gradient structure |
| 10/28/2009 | CN100553751C Hollow fiber ceramic membrane element and component thereof |
| 10/27/2009 | US7608554 Noncracking, reducing pressure loss, and improving mechanical strength when it is used as a gas separation membrane of a molecular sieve membrane, and a pervaporation membrane; involves use of tetrapropylammonium ion (TPA) and silica sol in a specified mixing ratio, calcining |
| 10/27/2009 | US7608305 Methods for uniform metal impregnation into a nanoporous material |
| 10/27/2009 | US7608189 Extracorporeal perfusion system which contains hollow fiber material where contaminated blood flows through; tentacles absorb toxins |
| 10/27/2009 | US7608186 Porous hydrophobic membrane substrate; a discontinuous, oleophobic layer on one side and a continuous layer of an amine containing hydrophilic polymer coating on the second side; Protective clothing for use against chemical and biological threats |
| 10/27/2009 | CA2531884C Composite oxygen ion transport element |
| 10/27/2009 | CA2474980C Precoat filtration media and methods of making and using |