| 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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| 02/28/2007 | CN1301851C Non-symmetrical multihole polytetrafluloethylene membrane for filter |
| 02/28/2007 | CN1301782C Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration |
| 02/27/2007 | US7183017 Physicochemical properties and superior fuel cell performance in hydrogen oxygen fuel cells |
| 02/27/2007 | US7182917 Membrane reactor/purifier for producing syn gas; hydrogen selective palladium alloy membrane; stack containing an array of pairs of high pressure and lower pressure chambers |
| 02/27/2007 | US7182894 mixing 2-bis (4-aminophenoxy) diethyl ether with aqueous chloroaurate ions in solvents, then polymerizing the mixture to obtain gold nanoparticles encapsulated polymers and leaching the gold particles with iodine to obtain the hollow structures, having stability, used for separation and drug delivery |
| 02/27/2007 | US7182870 Hollow fiber membrane and method of producing the same |
| 02/22/2007 | WO2007022100A1 Membranes and methods useful for caustic applications |
| 02/22/2007 | WO2007021705A2 Improved ceramic foam filter for better filtration of molten iron |
| 02/22/2007 | WO2007021640A2 Bimetallic treatment system and its application for removal and remediation of polychlorinated biphenyls (pcbs) |
| 02/22/2007 | WO2007021532A1 Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process |
| 02/22/2007 | WO2007021409A1 Separation and concentration channel with determined pore shape |
| 02/22/2007 | WO2007020743A1 Pipe end connector and zeolite separation film element |
| 02/22/2007 | WO2007020625A2 Foam silicone parts in irrigation emitters |
| 02/22/2007 | WO2007020397A1 Method and apparatus for improving the air quality within an enclosed space |
| 02/22/2007 | US20070039874 remove water with solvent, remove the first solvent with an inert solvent, contacting the membrane with a mono-functional amine reactive haloformate compound; improve membrane performance, such as chlorine resistance; reverse osmosis membrane, hyperfiltration membrane, and nanofiltration membrane |
| 02/22/2007 | US20070039873 Modified polyamide matrices and methods for their preparation |
| 02/22/2007 | US20070039872 Vinylidene fluoride based resin porous hollow yarn and method for production thereof |
| 02/22/2007 | US20070039858 Nanocarpets for trapping particulates, bacteria and spores |
| 02/22/2007 | US20070039471 Filter element and method for the production thereof |
| 02/22/2007 | US20070039299 Porous sintered composite materials |
| 02/22/2007 | DE19618920B4 Verbundhohlfaser aus poröser Keramik und Verfahren zu seiner Herstellung Composite hollow fiber of porous ceramics and process for its preparation |
| 02/22/2007 | CA2617610A1 Polyalkyleneacrylamide salt for acid gas scrubbing process |
| 02/21/2007 | EP1754692A1 Mullite bodies |
| 02/21/2007 | EP1448293B1 A solid multicomponent mixed proton and electron conducting membrane |
| 02/21/2007 | EP1258283B1 Composite material for fuel gas formation for a fuel cell and method of its production |
| 02/21/2007 | EP1206961B1 Filter membranes for physiologically active substances |
| 02/21/2007 | EP1200179B8 Charged filtration membranes and uses therefor |
| 02/21/2007 | EP1194216B1 Method of making microporous filter membrane |
| 02/21/2007 | EP1016425B1 Process for producing hydrophilized polyolefins and leukocyte-removing material thereof |
| 02/21/2007 | CN1918739A Membranes for fuel cells, method for producing said membranes and production of fuel cells using membranes of this type |
| 02/21/2007 | CN1917935A Integral asymmetric membrane, method for producing said membrane and use thereof |
| 02/21/2007 | CN1301287C Prepn process of positively charged hybrid organic-inorganic film |
| 02/21/2007 | CN1301150C Hollow fiber membrane and braided tubular support therefor |
| 02/21/2007 | CN1301149C Polyolefin membrane with an integrally asymmetric structure and method for the production thereof |
| 02/20/2007 | US7179636 Using filtering process to detect, separate and concentrate microorganisms in liquid sample |
| 02/20/2007 | US7179325 Hydrogen-selective silica-based membrane |
| 02/20/2007 | US7179323 utilized in a gas separation device to recover oxygen from an oxygen-containing gas or as an oxidation reactor to oxidize compounds in a feed gas stream by oxygen permeated through the mixed metal oxide ceramic material of the membrane modules |
| 02/20/2007 | US7179322 Oxygen and nitrogen enriched atmospheres in aircraft |
| 02/20/2007 | US7179321 Facilitated transport membranes comprising a porous support and a solid polymer electrolyte consisting of a transition metal salt and a polymer having phthalic structure |
| 02/15/2007 | WO2007019157A1 Process for making cation exchange membranes with reduced methanol permeability |
| 02/15/2007 | WO2007018444A1 Hydrogen purification membrane, filtering element and membrane device |
| 02/15/2007 | WO2007018428A1 Porous membrane and recording medium comprising same |
| 02/15/2007 | WO2007018423A1 Porous membrane and recording medium, as well as process for preparing same |
| 02/15/2007 | WO2007018422A1 Porous membrane and recording medium comprising same |
| 02/15/2007 | WO2007018393A1 Nano composite hollow fiber membrane and method of manufacturing the same |
| 02/15/2007 | WO2007018284A1 Separation membrane for use in treatment of liquid comprising aromatic ether polymer which is hydrophilized with hydrophilizing agent |
| 02/15/2007 | WO2007018242A2 Hollow fiber membrane type blood purifier |
| 02/15/2007 | WO2007017650A1 Carbon membranes |
| 02/15/2007 | WO2007017085A2 Process for cross-linking cellulose ester membranes |
| 02/15/2007 | US20070036959 Porous films with chemical resistance |
| 02/15/2007 | US20070034515 Radiation- or thermally-curable oxetane barrier sealants |
| 02/15/2007 | DE10353894B4 Filterelement und Verfahren zu dessen Herstellung A filter element and method for its production |
| 02/15/2007 | DE102006016258A1 Herstellung monomerer, oligomerer und polymerer Phosphon-säureester, Phosphonsäuren und Sulfonsäuren durch nucleophile aromatische Substitution Preparing monomeric, oligomeric and polymeric phosphonic acid esters, phosphonic and sulfonic acids by nucleophilic aromatic substitution |
| 02/15/2007 | CA2616867A1 Process for cross-linking cellulose ester membranes |
| 02/14/2007 | EP1751516A2 Particulate filter and method of use |
| 02/14/2007 | EP1427532B1 Multi-layer coated porous materials and methods of making the same |
| 02/14/2007 | CN2868986Y Electric physical oxygen-making machine |
| 02/14/2007 | CN1914264A Porous film and method for preparation thereof |
| 02/14/2007 | CN1913960A Porous membrane microstructure devices and methods of manufacture |
| 02/14/2007 | CN1913946A Process for removing microbubbles from a liquid |
| 02/14/2007 | CN1911494A Preparation method of polyimide nanometer filtering membrane |
| 02/14/2007 | CN1300227C Microporous membrane and its preparing process and use thereof |
| 02/14/2007 | CN1299811C Method for preparing cation exchange membrane with high content of sodium sulfonate group |
| 02/14/2007 | CN1299810C Method for modifying hydroophilicity of highly active separation membrane made from polymer |
| 02/14/2007 | CN1299809C Preparation method of carbon nanotube-polyvinyl alcohol pervaporation film for separating benzene/cyclohexane |
| 02/14/2007 | CN1299808C Tubular reducing stainlss steel micro porous film and its preparing method |
| 02/14/2007 | CN1299807C Method for preparing filter membrane of palladium-base alloy/aperture gradient Ti-Al intermetallic compound homogeneous support body for hydrogen separation |
| 02/13/2007 | US7175762 Self-assembly; nanotubes; detectors |
| 02/13/2007 | US7175694 Higher rate of hydrogen purification; reduced membrane diffusion loss; thin, durable, high temperature resistance; economical, simple |
| 02/13/2007 | US7175693 Method for preventing fuel infiltration into microporous polymer membranes |
| 02/13/2007 | CA2181421C Para-oriented aromatic polyamide porous film |
| 02/08/2007 | US20070031717 Composite proton exchange membrane and method of manufacturing the same |
| 02/08/2007 | US20070029251 Radiating or casting a solution of transition metal or alloy having particle size of 0.01-20 mu m and synthetic polymer in a polar solvent; oxidizing in N2 and H2 without O2 at 400-600 degrees C; and sintering at 900-1,300 degrees C. in N2/H2; small pore size, high porosity; useful for water treatment |
| 02/08/2007 | DE10305866B4 Anorganische Schicht Inorganic layer |
| 02/08/2007 | DE10222568B4 Kompositmembran und Verfahren zu deren Herstellung The composite membrane and process for their preparation |
| 02/07/2007 | EP1749320A1 Polymer separator for a lithium battery |
| 02/07/2007 | EP1748836A2 Device with a membrane on a carrier, as well as a method for manufacturing such a membrane |
| 02/07/2007 | EP1428572B1 Zeolite laminated composite and zeolite membrane reactor using the same |
| 02/07/2007 | CN1909954A Composite membrane |
| 02/07/2007 | CN1909953A Membrane production method |
| 02/07/2007 | CN1907549A Stainless steel net sintering polytetrafluoroethylene film and process for making same |
| 02/07/2007 | CN1298530C Non symmetrical porous polytetrafluoro membrane for clothing material |
| 02/07/2007 | CN1298520C Cold isopressing method |
| 02/07/2007 | CN1298414C Organic-inorganic substances compound membrane and its preparation method |
| 02/07/2007 | CN1298397C Blood purifying apparatus |
| 02/06/2007 | US7172644 Separation of hydrogen gas streams; depositing on porous substrate; forming activated zones; overcoating with second material; forming intermetallic diffusion barrier |
| 02/06/2007 | US7172076 Internal die filters with multiple passageways which are fluidically in parallel |
| 02/01/2007 | WO2007014298A1 Methods and systems for dispersing ultrafine non-polar particles into a polymer/solvent/non-solvent solution and products formed thereby |
| 02/01/2007 | WO2007013861A1 Process for producing a porous track membrane |
| 02/01/2007 | WO2007012388A1 Membrane structure for the elimination of hydrogen or oxygen |
| 02/01/2007 | US20070026219 Cellulose-based microporous membrane |
| 02/01/2007 | US20070026217 Selectively permeable film supported membrane |
| 02/01/2007 | US20070026190 Base for honeycomb filter, method for producing same and honeycomb filter |
| 02/01/2007 | US20070023957 Assembly of free-standing films using a layer-by-layer process |
| 02/01/2007 | US20070023354 Methods and systems for dispersing ultrafine non-polar particles into a polymer/solvent/non-solvent solution and products formed thereby |
| 02/01/2007 | DE102005052390A1 Membranaufbau zur Abscheidung von Wasserstoff oder Sauerstoff Membrane structure for separating hydrogen or oxygen |
| 02/01/2007 | CA2615965A1 Process for producing a porous track membrane |
| 01/31/2007 | EP1747600A2 Proton exchange membrane (pem) based on hybrid inorganic-organic copolymers with grafted phosphoric acid groups and implanted metal cations |
| 01/31/2007 | EP1747172A1 PRECURSOR ORGANIC SOLUTIONS OF TETRAVALENT METAL PHOSPHATES AND PYROPHOSPHATES AND THEIR USE FOR ELECTRODE MODIFICATION AND FOR THE PREPARATION OF COMPOSITE MEMBRANE FOR FUEL CELLS WORKING AT TEMPERATURES > 90°C AND/OR AT LOW RELATIVE HUMIDITY |
| 01/31/2007 | EP1747059A1 Pervaporation composite membranes |