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7615104 |
Fuel deoxygenation system with multi-layer oxygen permeable membrane
A fuel system for an energy conversion device includes a deoxygenator system with an oxygen permeable membrane formed from a multiple of layers. The layers include a sealant layer, an oxygen...
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7614505 |
Ceramic filter and regenerating method thereof
A ceramic filter includes a porous base member formed of a ceramic porous body, a carbonaceous membrane formed on the porous base member, and an inorganic separation membrane formed on the...
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7611628 |
Aligned nanotubule membranes
A method is provided for producing a permeable membrane, comprising the steps of aligning a plurality of hollow nanotubules to form a mat, coating the mat with a continuous polymer matrix to form a...
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7608189 |
Device for removing bacterial lipopolysaccharides and/or lipoteichoic acids from protein-containing fluids and its use for the treatment of sepsis
A device for removing bacterial lipopolysaccharides and lipoteichoic acids from blood or plasma in an extracorporeal perfusion system contains, in a housing that can be incorporated into the...
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7608186 |
Coated asymmetric membrane system having oleophobic and hydrophilic properties
A porous membrane assembly includes, in an exemplary embodiment, a porous membrane substrate having hydrophobic properties. The membrane substrate includes a first side, an opposing second side and...
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7604746 |
Pervaporation composite membranes
The present application discloses a composite membrane comprising (a) a support member that has a plurality of pores extending through the support member and (b) a cross-linked copolymer comprising...
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7604130 |
Flat membrane element and regeneration method thereof
To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by...
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7604129 |
Lyotropic liquid crystal nanofiltration membranes
The invention provides composite nanofiltration membranes (FIG. 5 ) with lyotropic liquid crystal (LLC) polymer porous membranes ( 30 ) attached to a porous support ( 20 ). The LLC membranes are...
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7601263 |
Composite membrane and process
The invention relates to a composite with a separation-active membrane layer and a supporting membrane, a process for the production of the same and a process for using the same. The composite...
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7597932 |
Mesoporous permeation layers for use on active electronic matrix devices
The present invention provides improved synthetic polymer hydrogel permeation layers for use on active electronic matrix devices for biological assays. The present invention includes methods for...
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7591954 |
Method for removing leukocytes, leukocyte-removing filter and utilization thereof
A method for removing leukocytes, whereby leukocytes can be removed at a higher level of performance in a short filtration time without clogging. A method comprising passing a leukocyte-containing...
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7584860 |
Hydrophilic body and method of manufacture
A hydrophilic body includes a porous membrane with hydrophobic properties. The porous membrane includes at least one of expanded polytetrafluoroethylene, woven polytetrafluoroethylene, and non...
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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...
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7578871 |
Gas separation membrane with partial surfactant coating
A gas separation module includes fibers formed of a membrane which exhibits selectivity between gaseous components to be separated. The fibers are partially coated with a solution which enhances...
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7572374 |
Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration
An in-vivo plasmapheresis or in-vivo ultrafiltration membrane comprises a plurality of elongated hollow microporous fibers each fiber having an outer wall, an inner wall and an interior lumen...
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7562778 |
Composite porous membrane and method for producing the same
An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and...
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7560025 |
Method of manufacturing membranes and the resulting membranes
This invention provides a process for making microporous membranes from a polymer solution and the membranes therefrom. A thermal assist, such as heating of the polymer solution can be effected...
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7557164 |
Membranes of fluorinated ionomer blended with nonionomeric fluoropolymers for electrochemical cells
Blends of fluorinated ionomer with at least two nonionomeric fluoropolymers provide fuel cell membranes whose tensile strength and conductivity are superior to blends using a single fluoropolymer.
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7556677 |
Solvent resistant asymmetric integrally skinned membranes
There is provided an asymmetric integrally skinned membrane comprising a polyimide and another polymer selected from the group consisting of polyvinylpyrrolidone, sulfonated polyetheretherketones...
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7537718 |
Hydrophilic polyethersulfone membrane and method for preparing same
The present disclosure relates to improved efficient and effective systems and methods of manufacturing hydrophilic polyethersulfone (PES) membrane suitable for commercial applications and the...
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7537697 |
Selective membrane having a high fouling resistance
A selective membrane having a high fouling resistance. In one embodiment, the selective membrane is a composite polyamide reverse osmosis membrane in which a hydrophilic coating is applied to the...
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7537327 |
Internal die filters with multiple passageways which are fluidically in parallel
An internal filter includes a lower substrate and an upper substrate. Fluid passages are formed by etching grooves into the surface(s) of the upper and/or lower substrates and/or in one or more...
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7534287 |
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...
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7524425 |
Filter for the removal of substances from blood products
A filter device for the depletion of the leukocyte content from blood products comprising: a porous element comprising at least one fibrous web having a pore size suitable for leukocyte removal...
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7497951 |
Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and method for water treatment using the same
A composite semipermeable membrane, which comprises a separating functional layer comprising polyamide formed on a porous substrate film, wherein the separating functional layer comprising...
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7490725 |
Reverse osmosis membrane and process
A reverse osmosis membrane, and methods for making and using the membrane. The membrane has a continuous, defect-free, non-porous, hydrophilic coating that reduces the susceptibility to fouling.
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7485233 |
Hydrophilic mixed matrix material having reversible water absorbing properties
Polymer-ceramic mixed matrix compositions contain one or more organic polymers and a nano-sized dispersion of inorganic metal oxide particles which are dispersed throughout the composition....
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7484626 |
Water nano-filtration device
A water filter includes a porous support characterized by a mean porosity in the range of 20 to 50% and a mean pore size of 2 to 5 μm; and a carbon filter medium membrane disposed thereon which is...
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7478729 |
Fuel-filtering device
A fuel-filtering device is disposed inside a fuel tank for filtering a fuel. The fuel-filtering device includes a filter body having a bag shape and a communication hole, and is formed of a...
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7470639 |
Production of wetlaid-spunbond laminate membrane support
Nonwoven fabric laminates suitable for use as semipermeable membrane supports are produced by forming a spunbond nonwoven fabric first layer of continuous thermoplastic polymer filaments; forming a...
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7459487 |
Polymer composite membrane and method of making the same
The present invention provides a polymer composite membrane having a polymer membrane and a poly(furfuryl alcohol) filling internal pores of the polymer membrane. The polymer composite membrane can...
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7449112 |
Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation
A novel polyvinyl alcohol-based polymer membrane is disclosed. The novel polyvinyl alcohol-based polymer membrane of the present invention comprises two different compounds which are crosslinked by...
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7445712 |
Asymmetric forward osmosis membranes
There is disclosed a membrane formulation having high flux for forward osmosis applications. There is disclosed a forward osmosis filtration membrane having a salt rejection 99+% or greater, and...
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7441666 |
Process for producing an asymmetric porous film
It is intended to provide asymmetric porous films which are usable in blood dialysis, plasma separation, etc. and particularly excellent in the performance of selectively separating (fractionating)...
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7438193 |
Nanoporous membrane and method of fabricating the same
Provided are a nanoporous membrane and a method of fabricating the same. The nanoporous membrane includes a support, and a separation layer including a plurality of nano-sized pores at a density of...
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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...
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7419525 |
Filter and method of making
A filter, comprising: a plurality of individual elongated members arranged into a configuration, each of the plurality of elongated members having an internal cavity extending completely...
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7410066 |
Filter for selectively eliminating leukocytes
It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while...
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7410065 |
Membrane for the separation of material mixtures and method for production thereof
The invention relates to a membrane for the separation of material mixtures by the principle of vapor permeation or pervaporation, in particular for the dewatering of organic solvents, comprising...
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7407742 |
Plasma or serum separator, plasma or serum sampling method, plasma or serum separating method, test carrier and glass fiber
Provided are a plasma or serum separator and a plasma or serum sampling method capable of isolating plasma or serum with good efficiency from a small amount of blood without using a centrifuge and...
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7393391 |
Fabrication of an anisotropic super hydrophobic/hydrophilic nanoporous membranes
Anisotropic hydrophobic/hydrophilic nanoporous membranes and methods of forming anisotropic hydrophobic/hydrophilic nanoporous membranes are disclosed. The method of forming the nanoporous membrane...
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7381331 |
Hydrophilic membrane and associated method
A membrane is provided, which may include a microporous base membrane; and a cross-linkable coating disposed on a surface of the membrane. The coating may include polyvinyl nucleophilic polymer and...
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7378020 |
Fluoropolymer membrane
A porous fluoropolymer membrane comprising a first surface, a second surface, nodes and free fibrils, wherein one of the first and second surfaces has a greater number of free fibrils per unit area...
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7370766 |
Filter cloth and replaceable filter module
A filter cloth whose underside comprises substantially parallel, additional yarns 8 that are thicker than the rest of the yarns of the cloth, substantially parallel channels 9 being formed...
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7364660 |
Porous membrane
A polyamide having an equilibrium water absorption of not more than 10% is used as a main material. As a polyamide having an equilibrium water absorption of not.more than 10%, for example, a...
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7344580 |
Filter unit
Converting machines give rise to polluted air which must be removed with the aid of fans and filters. The invention aims at removal of the polluted air in such a way that the servicing interval is...
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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...
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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...
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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...
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7300801 |
Welded sample preparation articles and methods
Solid phase extraction articles, well-less filtration devices, and methods of manufacturing the articles and devices are disclosed. Methods of extracting analytes from samples using the articles...
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