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| Number | Title | Issue Date |
| 8177890 | Stable supported Pd-alloy membranes A Pd alloy membrane and method of making are described. ... | 05/15/2012 |
| 8167983 | Gas separation membranes The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent. The present invention additionally... | 05/01/2012 |
| 8137442 | Process for producing a nanoporous layer of nanoparticles and layer thus obtained Process for producing at least one nanoporous layer of nanoparticles chosen from nanoparticles of a metal oxide, nanoparticles of metal oxides, and mixtures of said nanoparticles, on a surface of a substrate, in which at least one colloidal sol, in which said nanopa... | 03/20/2012 |
| 8118920 | Multi-layered support system In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or ... | 02/21/2012 |
| 8092581 | Gas separation membrane A gas separation membrane has: a polymeric microporous membrane which has a polyolefin as a main component, and which is manufactured by wet phase separation process, and has a porosity of 20 to 80%, an average pore diameter of 1 to 100 nm and a piercing strength at... | 01/10/2012 |
| 8070860 | Pd menbrane having improved H-permeance, and method of making An H2-permeable membrane system (117) comprises an electroless-deposited plating (115) of Pd or Pd alloy on a porous support (110, 110′). The Pd plating comprises face-centered cubic crystals cumulatively having a morphology of hexa... | 12/06/2011 |
| 8016924 | Device for gas separation and method for producing such a system A system for gas separation has a mechanically stable metallic substrate layer having a pair of opposite faces and formed throughout with open pores. Respective functional layers laminated on each of the faces are composed of TiO2 or ZrO2. Thes... | 09/13/2011 |
| 7959716 | Hydrogen separation membrane on a porous substrate A hydrogen permeable membrane is disclosed. The membrane is prepared by forming a mixture of metal oxide powder and ceramic oxide powder and a pore former into an article. The article is dried at elevated temperatures and then sintered in a reducing atmosphere to pr... | 06/14/2011 |
| 7938894 | Hybrid organic-inorganic gas separation membranes The invention discloses a composition comprising a hybrid composite organic-inorganic membrane. The hybrid organic-inorganic membrane according to the present invention may comprise an amorphous porous layer incorporating organic functionalities. The amorphous porou... | 05/10/2011 |
| 7914611 | Multi-layered support system In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or ... | 03/29/2011 |
| 7909917 | Porous structure with seed crystal-containing layer for manufacturing zeolite membrane, zeolite membrane, and method for manufacturing zeolite membrane A porous substrate with a seed crystal-containing layer for manufacturing a zeolite membrane includes: a ceramic porous substrate, and a seed crystal-containing layer containing a zeolite powder to function as a seed crystal for forming a zeolite membrane and a cera... | 03/22/2011 |
| 7862648 | Hydrothermally-stable silica-based composite membranes for hydrogen separation Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to water vapor at high temperatures. An exemplary membrane comprises an amo... | 01/04/2011 |
| 7771520 | System and method for forming a membrane that is super-permeable to hydrogen A hydrogen separation membrane and its associated method of fabrication. The hydrogen separation membrane has a first material layer that is permeable to atomic hydrogen. The first material has a first catalytic ability to disassociate molecular hydrogen into atomic... | 08/10/2010 |
| 7749312 | Air conditioning system An air conditioning system comprising a gas-impermeable wall defining a space for air conditioning, and a selective separating member disposed in the wall as a part of the wall, having a function of allowing preferential permeation of oxygen and carbon dioxide and a... | 07/06/2010 |
| 7699911 | Ozone resistant O/Nseparation membranes Ozone resistant O2/N2 gas separation membranes comprise a polymer membrane and an ozone reacting component, such as an antioxidant. The antioxidant may be included in the support layer of a composite membrane or included in the entire structure... | 04/20/2010 |
| 7678181 | Hydrogen permeable membrane, fuel cell and hydrogen extracting apparatus equipped with the hydrogen permeable membrane, and method of manufacturing the hydrogen permeable membrane A hydrogen permeable membrane (10) for selectively allowing hydrogen to permeate therethrough includes a metal base layer (12) containing vanadium (V), a metal coating layer (16) containing palladium (Pd), and an intermediate layer (14) t... | 03/16/2010 |
| 7615105 | Separation membrane It is an object of the present invention to provide a separation membrane in which a film-forming solution can be prevented from reaching a rear surface of a porous support in a step of forming a film, the adhesion between a functional film for separation and the po... | 11/10/2009 |
| 7604690 | Composite material for ultra thin membranes A composite material that may be used for a thin membrane is disclosed. This composite material includes first material that has a quasi-periodic system of vertical trenches (nanotrenches) with wavelength period that may be in the range between 20 and 500 nm. These ... | 10/20/2009 |
| 7588628 | Microporous ceramic materials The present invention provides methods for making a microporous ceramic material using a metal silicon powder and including a reaction sintering process of the silicon. A material for forming a microporous ceramic material used in these methods includes a metal sili... | 09/15/2009 |
| 7585356 | Hydrothermally-stable silica-based composite membranes for hydrogen separation Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to water vapor at high temperatures. An exemplary membrane comprises an amo... | 09/08/2009 |
| 7572321 | Membrane, method of making same and heat exchanger furnished with said membrane A membrane 12 that exhibits superior condensation resistance regardless of the type of moisture-permeable resin, that has satisfactory adhesion between a porous film and a reinforcing member, and that can be manufactured in a simple manner. The membran... | 08/11/2009 |
| 7559979 | Hydrogen separator and method for production thereof A hydrogen separator is provided, including a porous substrate having a large number of pores communicating from a first surface to a second surface thereof, and having a hydrogen-separating layer disposed on the first surface so that the hydrogen-separating layer h... | 07/14/2009 |
| 7556676 | Composite oxygen ion transport membrane A composite oxygen ion transport membrane having a dense layer, a porous support layer, an optional intermediate porous layer located between the porous support layer and the dense layer and an optional surface exchange layer, overlying the dense layer. The dense la... | 07/07/2009 |
| 7527673 | Polyimide based mixed matrix composite membranes A polyimide MMC membrane useful for the production of oxygen-enriched air or nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons or nitrogen, and the separation of helium or hydrogen from various streams. Membranes of polyimide polymers, su... | 05/05/2009 |
| 7510598 | Gas separating body and method for producing same A gas separator is provided, including a porous substrate made of a first ceramic and a gas-separating layer containing zeolite disposed on the surface of the porous substrate. The gas-separating layer further contains, in addition to zeolite, a thermal expansion co... | 03/31/2009 |
| 7491262 | Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same There is provided a nanocomposite membrane comprising an Ag-nanoparticle/polymer nanocomposite, in which the Ag-particles are uniformly dispersed in the polymer matrix, and a support membrane for supporting the nanocomposite, as well as a process of preparing said m... | 02/17/2009 |
| 7449052 | Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same The invention relates to a composite structure consisting of a relatively long filtration bar comprising, from the outside, an ultra-thin layer (26) that is selectively permeable to hydrogen and made from palladium or silver alloy. Said layer is disposed on a... | 11/11/2008 |
| 7442344 | Ceramic member with oxygen ion conductivity and use thereof It is an object of the present invention to provide a ceramic member with excellent balance between oxygen ion conductivity and endurance (resistance to cracking and the like), an oxygen ion permeation module and a chemical reactor such as an oxygen separator, using... | 10/28/2008 |
| 7438887 | Manganese oxide nanowires, films, and membranes and methods of making Nanowires, films, and membranes comprising ordered porous manganese oxide-based octahedral molecular sieves, and methods of making, are disclosed. A single crystal ultra-long nanowire includes an ordered porous manganese oxide-based octahedral molecular sieve, and h... | 10/21/2008 |
| 7435283 | Modular fuel stabilization system A fuel stabilization system includes a first deoxygenator and a second deoxygenator both for removing dissolved oxygen from a hydrocarbon fuel. The first and second deoxygenators are arranged in parallel or series to sequentially remove a portion of dissolved oxygen... | 10/14/2008 |
| 7435284 | Parallel-plate diffusion gas dehumidifier and methods for use A parallel-plate diffusion gas dehumidifier has a treatment zone having at least one water-permeable membrane. The gas dehumidifier includes an untreated gas inlet, a treatment zone bounded by water-permeable membranes, a support structure for the membranes, access ... | 10/14/2008 |
| 7431753 | Oxygen enrichment apparatus An oxygen enrichment apparatus includes a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined place; a ventilating unit for suctioning exterior air into the main body... | 10/07/2008 |
| 7425231 | Feed gas contaminant removal in ion transport membrane systems Method for gas purification comprising (a) obtaining a feed gas stream containing one or more contaminants selected from the group consisting of volatile metal oxy-hydroxides, volatile metal oxides, and volatile silicon hydroxide; (b) contacting the feed gas stream ... | 09/16/2008 |
| 7422627 | Gas transmitter with selective gas permeable surfaces A gas transmitter having selective gas permeable surfaces includes a support disc that is provided with a plurality of through openings. The support disc is made from a semiconductor material. The transmitter further includes a membrane covering the openings in the ... | 09/09/2008 |
| 7413687 | Low temperature proton conducting oxide devices A device for conducting protons at a temperature below 550° C. includes a LAMOX ceramic body characterized by an alpha crystalline structure. ... | 08/19/2008 |
| 7410531 | Hydrogen purification membranes, components and fuel processing systems containing the same Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purifi... | 08/12/2008 |
| 7404848 | Humidifier and a method for producing the same A humidifier and a method for producing it can reduce gas leakage through inside the surfaces of humidifying membranes or through interfaces between the humidifying membranes and separators. The humidifier includes water permeable humidifying membranes and gas separ... | 07/29/2008 |
| 7396384 | Fuel cell gas separator A fuel cell gas separator (14) between two planar solid oxide fuel cells (12) comprises a first layer (22) which is formed of a material that is impermeable to gases, a second layer (24) which is formed of a material that is impermeable t... | 07/08/2008 |
| 7396382 | Functionalized inorganic membranes for gas separation A porous membrane for separation of carbon dioxide from a fluid stream at a temperature higher than about 200° C. with selectivity higher than Knudsen diffusion selectivity. The porous membrane comprises a porous support layer comprising alumina, silica, zirconia o... | 07/08/2008 |
| 7393388 | Spiral wound fuel stabilization unit for fuel de-oxygenation A deoxygenator includes a plurality of permeable membranes spirally wound about an exhaust tube for removing dissolved oxygen from a hydrocarbon fuel. The permeable membrane is spirally wrapped about the exhaust tube and defines fuel passages and exhaust passages. T... | 07/01/2008 |
