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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8047382 | Membrane structure and method of making A membrane structure is provided. The membrane structure includes a first layer having a plurality of interconnected pores; and a second layer disposed on the first layer. The second layer has a plurality of unconnected pores. Each of the unconnected pores is in flu... | 11/01/2011 |
| 7959011 | Ceramic flexible membrane providing improved adhesion to the support fleece The present invention relates to flexible ceramic membranes which, depending on embodiment, are useful as separators for batteries, especially lithium batteries, and also a process for their production. Ceramic or hybridic membranes have the disadvantage that... | 06/14/2011 |
| 7874432 | Protected alloy surfaces in microchannel apparatus and catalysts, alumina supported catalysts, catalyst intermediates, and methods of forming catalysts and microchannel apparatus The invention describes microchannel apparatus and catalysts that contain a layer of a metal aluminide or are made in a process in which a metal aluminide layer is formed as an intermediate. Certain processing conditions have surprisingly been found to result in sup... | 01/25/2011 |
| 7866486 | Composite ceramic hollow fibres method for production and use thereof Composites comprising at least one hollow fiber of oxygen-transporting ceramic material, which is a ceramic material which conducts oxygen anions and electrons or a combination of ceramic material which conducts oxygen anions and a ceramic or nonceramic material whi... | 01/11/2011 |
| 7717272 | Ceramic porous membrane and ceramic filter There are disclosed a ceramic porous membrane formed with less membrane formation times and having less defects, a small and uniform thickness and a high resolution, and a ceramic filter. A silica membrane as a ceramic porous membrane is formed on a titania UF membr... | 05/18/2010 |
| 7578939 | Ceramic membrane water filtration A process for combined ozone degradation and filtration using a multi-layered, nanocrystalline, sintered ceramic, metal oxide catalyst and ceramic membrane filter is described. The process reduces fouling of the membrane and degrades ozone remaining in the water fro... | 08/25/2009 |
| 7547393 | Membrane structure and method of making A membrane structure is provided. The membrane structure includes a polymer layer having a plurality of pores; and a ceramic layer disposed on the polymer layer. The ceramic layer has a plurality of substantially unconnected pores. Each of the substantially unconnec... | 06/16/2009 |
| 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 |
| 7431838 | Gas/ion species selective membrane support by multi-stage nano-hole array metal structure An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into the template, curing the precursor to form a solid negative, and removi... | 10/07/2008 |
| 7387732 | Organic-inorganic membranes The invention relates to organic/inorganic hybrid polymer blends and hybrid polymer blend membranes that are composed of: one polymer acid halide containing SO2X, POX2 or COX groups (X═, Cl, Br, I); one elemental or metallic oxide or hydroxid... | 06/17/2008 |
| 7361272 | Anisotropic porous material The present invention is to provide an anisotropic porous material for a fluid filter which can perform a separation process of a large amount of fluid with high accuracy, which can achieve high flux, and which can improve detergent properties. The anisotropic porou... | 04/22/2008 |
| 7338624 | Ceramic manufacture for a composite ion transport membrane A method of producing a green form for use in manufacturing a composite, ceramic ion transport membrane is provided in which first and second ceramic powder mixtures are used to produce first and second layers of the green form. The first and second ceramic powder m... | 03/04/2008 |
| 7335470 | Compilations of nucleic acids and arrays and methods of using them In one aspect the invention provides compilations of nucleic acids, articles of manufacture, e.g., arrays, and methods for the detection of chromosomal abnormalities, such as a chromosomal aneuploidies, deletions, amplifications, and the like, and the diagnosis or p... | 02/26/2008 |
| 7329311 | Porous sintered composite materials The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle material penetrating a portion of the porous base material; the powdered ... | 02/12/2008 |
| 7323033 | Nanostructured surfaces having variable permeability A nanostructured substrate is disclosed having a plurality of substrate openings disposed between the nanostructures on the substrate. When a desired fluid comes into contact with the substrate, at least a portion of the fluid is allowed to pass through at least one... | 01/29/2008 |
| 7314504 | Porous gas permeable material for gas separation A gas separator, a method for producing the gas separator, and a method for separating gases based on a property of inelasticity of the gases. The inventive gas separator is a permeable porous material for separating a mixture of gases by selectable pore size exclus... | 01/01/2008 |
| 7309385 | Efficient 3-D nanostructured gas separation membranes There is provided a high efficient gas separation membrane of two or more layers, which comprises a separating layer of 3-dimensional nanostructure and a supporting layer, wherein the 3-dimensional nanostructure can maximize a surface area per unit permeation area. | 12/18/2007 |
| 7306642 | High CTE reaction-bonded ceramic membrane supports A porous ceramic support for a gas separation membrane formed by sintering a green body containing grains of a refractory ceramic oxide with a high coefficient of thermal expansion and grains of a reactive binder precursor. Upon sintering, the reactive binder precur... | 12/11/2007 |
| 7294404 | Graded photocatalytic coatings The invention provides graded photocatalytic coatings. In one aspect, the invention provides a substrate carrying a photocatalytic coating that includes a first graded film region and a second graded film region. The first graded film region has a substantially cont... | 11/13/2007 |
| 7288199 | Ceramic filter and method for purifying water A ceramic filter is provided including a substrate, a separation layer comprising titania and having an average pore size in a range of 0.08 to 1 μm and a thickness in a range of 5 to 20 μm, and an intermediate layer formed between the substrate and the separation... | 10/30/2007 |
| 7287650 | Structures that inhibit microbial growth Structures treated with a microbiological interception enhancing agent comprising of a water-soluble cationic material having a counter ion associated therewith at specific sites on the cationic material, in combination with a biologically active metal salt, wherein... | 10/30/2007 |
| 7282148 | Porous silicon composite structure as large filtration array A novel asymmetric filter membrane, and process for making is disclosed in several exemplary versions. The membrane structure is physically robust and suitable for use in a wide variety of applications. The support membrane is may be comprised of material such as a ... | 10/16/2007 |
| 7276166 | Fiber-fiber composites A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a paper-... | 10/02/2007 |
| 7255726 | Composite gas separation modules having high Tamman temperature intermediate layers A composite gas separation module includes a porous metal substrate; an intermediate layer that includes a powder having a Tamman temperature higher than the Tamman temperature of the porous metal substrate and wherein the intermediate layer overlies the porous meta... | 08/14/2007 |
| 7255725 | Porous inorganic membrane containing carbon; a process for its preparation; and use thereof A porous inorganic membrane comprises at least one inorganic phase having separating properties. Said membrane has a carbon content representing 0.05% to 25% by weight with respect to the mass of said inorganic phase and is selective to non-condensable gases. It is ... | 08/14/2007 |
| 7217755 | Organic/inorganic nanocomposites, methods of making, and uses as a permeable reactive barrier Nanocomposite materials having a composition including an inorganic constituent, a preformed organic polymer constituent, and a metal ion sequestration constituent are disclosed. The nanocomposites are characterized by being single phase, substantially homogeneous m... | 05/15/2007 |
| 7214316 | Apparatus containing phosphate selective resin An apparatus containing crosslinked polymer for binding phosphate anions is provided, the polymer comprises a polyvalent cation attached to the polymer through at least one covalently bound anionic functional group, and wherein the anionic group is selected from a g... | 05/08/2007 |
| 7201846 | Micro-fluidic anti-microbial filter An anti-microbial filter (105) for a micro-fluidic system (100) includes a silicon-based filter membrane (213) having holes (218) formed therein. The membrane (213) is formed on a substrate (211). One side of the filter memb... | 04/10/2007 |
| 7202390 | Process for production of cumene This invention related to an improved process for preparation of cumene. More particularly, the present invention relates to a process for the preparation of cumene using catalytic membrane reactors. The membrane used in the process facilitates reaction in a forward... | 04/10/2007 |
| 7179500 | Sub-micron electrolyte thin film on nano-porous substrate by oxidation of metal film A fluid impermeable thin film is fabricated on a porous substrate by depositing a material having a certain spatial oxidation expansion. After deposition, the material is oxidized whereby the deposited material expands and forms a void free film on top of the porous... | 02/20/2007 |
| 7172075 | Defect free composite membranes, method for producing said membranes and use of the same A defect free semipermeable composite membrane having outstanding integrity and high water permeability is provided. Said composite membrane comprises an inside support layer to provide sufficient mechanical strength, an outside barrier layer to provide selective se... | 02/06/2007 |
| 7169304 | Porous polymer water filter and methods of use in refrigeration The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent materials as opposed to merely binding adsorbent materials together thro... | 01/30/2007 |
| 7169213 | Multi-channel cross-flow porous device A multi-channel modular device (10) processes between two fluid streams of different compositions. The device (10) includes a porous body (150) having a first plurality of feed-flow pathways (110) disposed in the body (150) for tra... | 01/30/2007 |
| 7165682 | Defect free composite membranes, method for producing said membranes and use of the same A defect free semipermeable composite membrane having excellent integrity and high water permeability is provided. Said composite membrane comprises an inside support layer to provide sufficient mechanical strength; an outside barrier layer to provide selective sepa... | 01/23/2007 |
| 7125528 | Membrane systems containing an oxygen transport membrane and catalyst An apparatus for separating oxygen from an oxygen-containing gas and facilitating a chemical reaction with the separated oxygen includes a mixed conducting membrane, a porous body, and a material for catalyzing the reaction. The mixed conducting membrane has respect... | 10/24/2006 |
| 7119151 | Antimicrobial agent and production process thereof An antimicrobial agent utilizes a resin having acrylonitrile and styrene and/or a conjugated diene as units. The antimicrobial agent includes a metal-salt-containing copolymer, and the metal-salt-containing copolymer is obtained by treating a copolymer containing ac... | 10/10/2006 |
| 7112237 | Porous sintered composite materials The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle material penetrating a portion of the porous base material; the powdered ... | 09/26/2006 |
| 7112234 | Composite porous media A composite porous media for either gas or liquid flow is strong and efficient, and can readily be formed in or into a wide range of different shapes and configurations. In particular, the porous media is a composite of a metal, aerogel or ceramic foam (i.e., a reti... | 09/26/2006 |
| 7108813 | Gas/ion species selective membrane supported by multi-stage nano-hole array metal structure An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into the template, curing the precursor to form a solid negative, and removi... | 09/19/2006 |
| 7097768 | Coconut mesocarp-based biofilter material and its use in a wastewater treatment system A biofilter material for biofiltering a fluid is disclosed. This biofilter material comprises fragments of coconut mesocarp. A wastewater treatment system is also disclosed and comprises a filter bed and a water distribution system. The filter bed comprises fragment... | 08/29/2006 |
