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7637983 |
Metal organic framework���polymer mixed matrix membranes
Metal-organic framework (MOF)-polymer mixed matrix membranes (MOF-MMMs) have been prepared by dispersing high surface area MOFs (e.g. IRMOF-1) into a polymer matrix (e.g. Matrimid 5218). The MOFs...
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7625426 |
Method for making nano-scale filter
A nano-scale filter ( 10 ) includes a porous supporting component ( 14 ) and a carbon nanotube filtration membrane ( 12 ) sintered on a top surface of the porous supporting component. The porous...
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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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7601134 |
Separation
The invention refers to method for selectively binding and separating at least one component from whole blood or a body fluid, whereby the blood or body fluid is allowed to pass through a rigid...
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7597677 |
Wearable ultrafiltration device
An ultrafiltration device adapted to be worn on a portion of the body of a patient includes a blood inlet tube leading from a first blood vessel, a blood pump, an anticoagulant reservoir for...
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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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7560024 |
Method and system for controlling pore size of microporous phase inversion membranes
This invention provides for a method to control the pore size or bubble point of porous membranes made by phase inversion in a continuous manufacturing process by blending two or more solutions...
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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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7517603 |
Stressed thin-film membrane islands
A structure including a support defining an opening, and a tensilely stressed thin-film membrane disposed to occlude the opening, the membrane contacting at least a portion of the support. The...
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7491330 |
Silver chloride treated water purification device containing the porous grog and method for making same
A porous grog with a body composition of water, clay and combustible material. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter....
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7481941 |
Method for separating components from blood plasma
The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to...
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7479243 |
Microporous polyolefin membrane, and method of producing the same
The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is...
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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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7441667 |
Composite membranes for liquid filtration having improved uniformity and adhesion of substrate to membrane
An improved casting substrate is provided for use in a composite membrane for use as a fluid filtration medium. The composite membrane has good adhesion between the casting substrate and the...
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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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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...
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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...
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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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7393483 |
Process for production of poly(m-phenyleneisophthal-amide) porous hollow fiber membrane
A polymetaphenylene isophthalamide porous hollow fiber membrane is produced by extruding a film-forming solution comprising polymetaphenylene isophthalamide, polyvinylpyrrolidone and an inorganic...
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7368056 |
Production of potable liquids
Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include...
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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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7309428 |
Apparatus for separating components from blood plasma
The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to...
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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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7276042 |
Low hydraulic resistance cartridge
A cartridge for treating medical or biological fluid includes a first cap having an inlet for the fluid, a container including a plurality of compartments and a second cap including an outlet for...
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7264724 |
Fluid path control element for fluid processing module
A fluid path control element which when stacked alternatively with a fluid porous sheet can be formed into a filtration module. The fluid path control element comprises a porous membrane having...
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7244811 |
Method for the treatment of polyazole films
The present invention relates to a process for the treatment of polyazole films, in which a film is passed at least twice through a trough filled with a liquid, with the film being unrolled from a...
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7226978 |
Techniques to improve polyurethane membranes for implantable glucose sensors
The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the...
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7223341 |
Positively charged membrane
The present invention provides a positively charged microporous membrane having a protein binding capacity of about 25 mg/ml or greater comprising a hydrophilic porous substrate and a crosslinked...
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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...
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7156997 |
Package assembly for piperazine-based membranes
A package assembly comprising a sealed water-impermeable bag enclosing: a spiral wound filtration element comprising a piperazine-based membrane, and an aqueous solution comprises a substantially...
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7140497 |
Selective deleukocytation unit for a platelet product
The invention includes a filtration unit for the selective deleukocytation of a fluid containing blood platelets such as blood or a blood component. The unit includes a medium for deleukocytation...
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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...
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7067058 |
Hydrophilic membrane and process for making the same
A process for imparting hydrophilic properties to a polymeric membrane by exposing the membrane to an acrylate monomer containing hydrophilic segments, such as ethylene oxide, and a hydrophilic...
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7051883 |
Wetlaid-spunbond laminate membrane support
Nonwoven fabric laminates suitable for use as semipermeable membrane supports are provided. The fabric laminates generally include at least two layers: a spunbond layer of continuous filament...
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7014049 |
Device for bio-affinity material
Bio-affinity material containing at least one biologically active saccharide which is covalently bound via at least one spacer to a cross-linked matrix and that the material is autoclaved....
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6960297 |
Dialyzers for blood treatment and processes for production thereof
A dialyzer for blood treatment including a semipermeable membrane which is made of a hydrophobic polymer and a hydrophilic polymer, and has a water permeating performance drying of ½ or higher...
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6955222 |
Method for secondary oil recovery
A method and a system for treating seawater to facilitate secondary recovery of petroleum from a location below a body of saline water by flooding a permeable stratum with the treated water. The...
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6919026 |
Semipermeable membrane support and process of preparation thereof
A semipermeable membrane support includes, a non-woven fabric including main fiber and binder fiber, both of which are formed of synthetic resin fine fiber, the non-woven fabric being manufactured...
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6855121 |
Blood-related dialysis and treatment
A method of treating blood or plasma of a subject to remove metabolic contaminants by electrophoresis. Blood or plasma from the subject is placed in a first solvent stream, the first solvent stream...
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6852223 |
Asymmetric porous polytetrafluoroethylene membrane and process for preparing the same
The present invention relates to an asymmetric porous polytetrafluoroethylene membrane comprising a dense skin layer and a continuously foamed porous layer, (1) the dense skin layer having a...
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6833073 |
Composite nanofiltration and reverse osmosis membranes and method for producing the same
The present invention relates to nanofiltration and reverse osmosis membranes that may be used in a number of commercial applications in which a contaminant, such as salt, must be separated from a...
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6818333 |
Thin zeolite membrane, its preparation and its use in separation
Described is a supported zeolite membrane that consists of a zeolite/substrate composite layer that exhibits, in the n-butane/isobutane separation, a permeance of n-butane of at least 6.10 −7 ...
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6815123 |
Lithium-ion battery using heat-activatable microporous membrane
The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also...
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6805801 |
Method and apparatus to remove additives and contaminants from a supercritical processing solution
The present invention pertains to methods and apparatus for removal of one or more solutes from a supercritical process solution. Solute additives and contaminants are removed from supercritical...
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6773590 |
Filtering membranes on the basis of welded polymer structures and method for manufacture thereof
The filtering membranes of the present invention are made from a pair of polymer films stretched in a liquid surface-active medium for the formation of crazes filled with the aforementioned medium....
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6770202 |
Porous membrane
The present invention provides integral porous membranes comprising an amorphous halopolymer, as well as processes for preparing the membranes, and devices comprising the membranes. An example of...
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6749747 |
Filter membrane module comprising an integrated heat exchanger
The invention relates to a membrane module in order to filter media which are capable of flowing. Said module incorporates an integrated heat exchanger. According to the invention, the membrane...
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6685835 |
Method for filtering surface water with thin supernatant layer and implementing plant
In a method of filtration, a liquid to be filtered is brought into contact with the surface of a filter medium and is passed through the filter medium. A supernatant liquid layer is created on the...
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6663775 |
Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same
A charge mosaic membrane having excellent selective permeability comprises a cationic polymer component, an anionic polymer component and a matrix component. Both of the cationic polymer component...
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6586638 |
Process for removing and recovering of phenolic compounds from aqueous fluids
There is provided a process for removing and recovering one or more unassociated phenolic compounds dissolved in aqueous fluid, the process comprising the steps of: (a) transferring the one or more...
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