| 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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| 10/22/2008 | CN100427190C Polysulfone amide separating membrane and its modifying method utilizing nanotitanium dioxide |
| 10/22/2008 | CN100427189C Method for producing selective diffusion barrier with excellent pollution resistibility |
| 10/22/2008 | CN100427188C Method for preparing titanium dioxide ceramic micro filter membrane on the porous stainless steel base |
| 10/22/2008 | CN100427187C Application of tubular metal powder sintering membrane |
| 10/22/2008 | CN100427186C Gas separating equipment and producing method thereof |
| 10/21/2008 | CA2308092C Production of hollow ceramic membranes by electrophoretic deposition |
| 10/16/2008 | WO2008124062A1 Composite structures with porous anodic oxide layers and methods of fabrication |
| 10/16/2008 | WO2008097786A3 Modified polyamide membrane |
| 10/16/2008 | US20080251456 membrane separation carried out under a carbon monoxide partial vapor pressure of more than 200 kPa |
| 10/16/2008 | US20080251447 Process for producing a dried composite semipermeable membrane |
| 10/16/2008 | CA2684771A1 Composite structures with porous anodic oxide layers and methods of fabrication |
| 10/15/2008 | EP1980314A1 Process for production of zeolite separation membrane |
| 10/15/2008 | EP1979972A2 Electrolyte containing phosphonic acid |
| 10/15/2008 | EP1979281A1 Methods for making an article coated with a photochromic film and use thereof in ophthalmological optics |
| 10/15/2008 | EP1979078A2 Proton conducting layer system and associated production method |
| 10/15/2008 | EP1341655B1 Method of making a product with a micro or nano sized structure |
| 10/15/2008 | CN101284216A Hollow fiber anion-exchange membrane and preparation method thereof |
| 10/15/2008 | CN101284215A Preparation method of perovskite hollow fiber membrane |
| 10/15/2008 | CN100425332C Preparation method of membrane-covered filter material for high-temperature flue gas/dust integrated treatment |
| 10/14/2008 | US7435497 Metal coated polymer electrolyte membrane having a reinforcement structure |
| 10/14/2008 | US7435348 Permeability and anti-pollution properties; mechanical properties, high water flux, good quality and low cost |
| 10/09/2008 | WO2008120658A1 Process for producing composite semipermeable membrane |
| 10/09/2008 | WO2008120641A1 Dry composite semipermeable membrane |
| 10/09/2008 | US20080248182 if the carrier openings have a rounded cross-section an improved mechanical strength is obtained; increased further by embodying the carrier openings with a very low surface roughness of smaller than 3 micrometres |
| 10/09/2008 | US20080245736 Porous ultrafiltration membrane ; controlled hydrophilic property; solvent stability |
| 10/09/2008 | US20080245735 Ceramic Flexible Membrane Providing Improved Adhesion to the Support Fleece |
| 10/09/2008 | US20080245723 Hollow Fiber Membrane Type Blood Purification Device |
| 10/09/2008 | US20080245663 Hydrogen gas separation membrane; proton transport mixed oxide |
| 10/09/2008 | DE112006003038T5 Wasserstofftrennmembran mit einem Träger, Brennstoffzelle und Wasserstofftrenngerät mit dieser und Verfahren zum Herstellen von dieser Hydrogen separation membrane with a carrier, the fuel cell and the hydrogen separation device with this and methods of manufacturing of this |
| 10/09/2008 | DE102007019051B3 Hohlfaserkapillarmembran und Verfahren zu deren Herstellung Hollow fiber capillary membrane and processes for their preparation |
| 10/08/2008 | EP1976621A1 Microporous molecular separation membrane with high hydrothermal stability |
| 10/08/2008 | EP1537906B1 Process for production of poly(m-phenyleneisophthal- amide) porous hollow fiber membrane |
| 10/08/2008 | CN101282780A Porous multilayered hollow-fiber membrane and process for producing the same |
| 10/08/2008 | CN101279842A Perovskite type ceramic oxygen permeable membrane for partial oxidation reaction of methane |
| 10/08/2008 | CN101279212A Preparation of intercrossed network water dealcoholizing pervaporation membrane |
| 10/08/2008 | CN101279211A Preparation of polyvinylidene fluoride dewatering microporous film |
| 10/08/2008 | CN101279210A ZSM-5 molecular sieve film and use thereof in aspect of processing arsenic |
| 10/08/2008 | CN101279209A Preparation of high-permeability A type molecular sieve film |
| 10/08/2008 | CN101279208A Method for preparing Y type molecular sieve film |
| 10/08/2008 | CN101279207A Preparation of SAPO-34 molecular sieve film for selectively separating methane gas |
| 10/08/2008 | CN101279206A MFI molecular sieve film and applications thereof in aspects of CO2 recovery and process |
| 10/08/2008 | CN101279205A Ceramic hollow fiber oxygen permeable membrane with catalyst supported on surface and manufacture method thereof |
| 10/08/2008 | CN100423822C Large aperture polyethersulfone film, preparation method and usage thereof |
| 10/08/2008 | CN100423821C Method for preparing long-chain unsaturated fatty acid graft modified acetic-acid cellulose filtering material and preparing method |
| 10/08/2008 | CN100423820C Hollow inorganic oxide fibre, its synthesis and use |
| 10/08/2008 | CN100423819C Hollow carbon fibre, its synthesis and use |
| 10/08/2008 | CN100423818C Process for improving the purity of quaternary ammonium hydroxides by electrolysis |
| 10/07/2008 | US7431838 Producing porous metallic membranes via improved two-step replication process where negative of porous non-metallic template is made by infiltrating liquid precursor into template, curing precursor to form solid negative, and removing template to expose negative and depositing metal |
| 10/07/2008 | CA2518840C Operation of mixed conducting metal oxide membrane systems under transient conditions |
| 10/07/2008 | CA2387848C Filtering unit for a virucide substance |
| 10/02/2008 | WO2008118584A2 Liquid-phase and vapor-phase dehydration of organic/water solutions |
| 10/02/2008 | WO2008118560A1 A gas separation membrane system and a method of preparing or reconditioning and the use thereof |
| 10/02/2008 | WO2008118228A2 Articles comprising a fibrous support |
| 10/02/2008 | WO2008117740A1 Vinylidene fluoride resin hollow-fiber porous membrane and process for production of the same |
| 10/02/2008 | WO2007019350A3 Microporous membrane for flash distillation |
| 10/02/2008 | US20080237125 Defouling microfiltration or ultrafiltration porous materials with inorganic alkali sulfite reducing agent and compatible solvent |
| 10/02/2008 | DE102008005504A1 Beschichtetes asymmetrisches Membransystem mit oleophoben und hydrophilen Eigenschaften Coated asymmetric membrane system with oleophobic and hydrophilic properties |
| 10/02/2008 | DE102006045282B4 Isoporöse Membran und Verfahren zu ihrer Herstellung Isopore membrane and processes for their preparation |
| 10/02/2008 | CA2679444A1 Liquid-phase and vapor-phase dehydration of organic/water solutions |
| 10/02/2008 | CA2678274A1 A gas separation membrane system and a method of preparing or reconditioning and the use thereof |
| 10/01/2008 | CN101277754A Carbon membranes |
| 10/01/2008 | CN101277753A Process for producing zeolite separation membrane |
| 10/01/2008 | CN101277752A Composite membrane material for hydrogen separation and element for hydrogen separation employing the same |
| 10/01/2008 | CN101275264A Microstructure and method of manufacturing the same |
| 10/01/2008 | CN101274227A Method for preparing polymer micro-filter membrane |
| 10/01/2008 | CN101274226A Method for preparing polymer anion-exchange membrane |
| 10/01/2008 | CN101274225A Method for producing hydrogen gas separation material |
| 10/01/2008 | CN101274224A Highly stable molybdenum-contained mixed conducting compact oxygen permeable membrane material, and preparation method and application thereof |
| 10/01/2008 | CN101274223A Method for preparing pd-zeolite compound film based on zeolite bed regulated macroporous support |
| 10/01/2008 | CN101274221A In-situ polymerization process for preparing polyaniline composite hyperfiltration membrane |
| 10/01/2008 | CN101274220A Method for preparing polyaniline and nano-fibre blend composite film |
| 10/01/2008 | CN100422215C Cellulose acetate maked by bamboo pulp as raw material and mfg. process and application thereof |
| 09/30/2008 | US7429343 Process for producing polyolefin membrane with integrally asymmetrical structure |
| 09/30/2008 | US7429280 Mixing Nafion" precursors with tetraethoxysilane and applying to an intermediate carrier, forming a self-supporting membrane, removing the support, heat treatment; sol gels; improved proton conductivity and rewettability |
| 09/30/2008 | CA2618350A1 Coated asymmetric membrane system having oleophobic and hydrophilic properties |
| 09/25/2008 | WO2008114046A1 Process and apparatus for treatment of organic solvents |
| 09/25/2008 | WO2008057842A3 Micro-and nanocomposite support structures for reverse osmosis thin film membranes |
| 09/25/2008 | US20080234527 Separating membrane dehydrogenates hydrocarbon within flow type reaction tube containing catalyst supported by carrier composed of metallic heat conductive support having metal oxide layer localized on surface |
| 09/25/2008 | US20080233423 Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 09/25/2008 | US20080233271 Layered Structures And Method For Producing The Same |
| 09/25/2008 | US20080230517 Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter |
| 09/25/2008 | DE102008004164A1 Katalytische Schicht-Elektrolytmembran-Anordnung, Übertragungsblatt und Verfahren zu deren Herstellung Catalytic layer-electrolyte membrane assembly, transfer sheet and process for their preparation |
| 09/24/2008 | EP1972373A1 Production method of hydrogen production filter |
| 09/24/2008 | EP1971422A1 Gas separation membranes containing a microporous silica layer based on silica doped with a trivalent element |
| 09/24/2008 | EP1618078B1 Improved porous mullite bodies and methods of forming them |
| 09/24/2008 | EP1345673B1 Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof |
| 09/24/2008 | CN101269955A Perovskite type ceramic oxygen-permeable membrane material with large grain character |
| 09/24/2008 | CN101269954A BaCoO3 based perovskite type ceramic oxygen-permeable membrane material with Sn, Fe doped at B position |
| 09/24/2008 | CN101269304A Method for preparing pervaporation membrane for separating alcohol-water system |
| 09/24/2008 | CN101269303A Hollow fiber compound film with ultra-thin active layer, preparation method and application thereof |
| 09/24/2008 | CN101269302A Non-crystallization permanent hydrophilic PVDF membrane material and preparation method thereof |
| 09/24/2008 | CN100420624C Multiple phase alloys and membranes thereof for hydrogen separation-purification and their method of preparation |
| 09/23/2008 | US7427358 filtration and chromatographic separation of 4-(2-hydroxyethyl)phenol, 4-(2-hydroxyethyl)benzene-1,2-dioland and other phenolic compounds from olives pressing; oxidation in the presence of methylrhenium trioxide and hydrogen peroxide in solvents, concentration, pulverization and recovering water |
| 09/23/2008 | CA2362853C Polymer membrane and a process for the production thereof |
| 09/23/2008 | CA2353378C Anion exchange membrane, process for its production and solution treating apparatus |
| 09/18/2008 | WO2008111673A1 Method of transporting fluid |
| 09/18/2008 | WO2008111641A1 Porous body and filter |
| 09/18/2008 | WO2008111516A1 Hydrogen-permeable alloy, hydrogen-permeable membrane, and method for production thereof |
| 09/18/2008 | WO2008111510A1 Method for test on integrity of microporous membrane |
| 09/18/2008 | WO2008110844A1 Membrane structures and their production and use |