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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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.
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....
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...