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7591947 |
Porous membrane microstructure devices and methods of manufacture
A membrane microstructure device is disclosed. The membrane microstructure device includes a first glass, ceramic or glass-ceramic plate defining a first recess, a second glass, ceramic or...
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7591948 |
Process for production of a regioselective membrane
A process for production of a microporous affinity membrane having regioselective affinity for compounds in blood or other biologically active fluids to be removed during purification of blood or...
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7569144 |
Device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and use thereof
The invention relates to a device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and to the use thereof. The inventive device comprises at least...
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7555964 |
Phase separation system and housing therefore
A method and apparatus for the physical separation of components from a multi-phase fluid stream into its component phases. More particularly, the invention relates to a housing for a phase...
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7544176 |
Glaucoma implant having MEMS flow module with flexing diaphragm for pressure regulation
One embodiment of a MEMS flow module ( 34 ) includes a first plate ( 36 ) and a second plate ( 48 ) that are separated by a first link ( 62 ). A plurality of concentrically disposed, annular...
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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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7520988 |
Cross-flow filter cassette
An improved cross-flow filtration unit utilizing at least one two-ply membrane is disclosed that has a particular pore size relationship in the two membrane layers.
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7520919 |
Transducer-protector device for medical apparatus
The transducer-protector device for medical apparatus comprises a housing formed by two half-shells, a membrane defining a gas-permeable anti-contamination barrier, a female Luer first connection...
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7470535 |
Static diffusion cell for diffusion sampling systems
A new design for a static diffusion cell for use in a diffusion sampling apparatus to be used in conjunction with automated or manual sampling is disclosed. The diffusion cell of present invention...
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7459171 |
Method for the improvement of transport across adaptable semi-permeable barriers
The invention relates to a method, a kit and a device for controlling the flux of penetrants across an adaptable semi-permeable porous barrier, the method comprising the steps of: preparing a...
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7452510 |
Manually-operable multi-well microfiltration apparatus and method
A multi-well microfiltration apparatus and method are provided and feature a manual touch-off system for transferring pendent drops hanging from discharge-conduits of a discharge-conduit array to...
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7431837 |
Mixing vessel and method of use
A mixing vessel contains a septum, dividing a first chamber from a second chamber. By relatively moving the septum with respect to the ends of the vessel, and flowing a fluid through the septum,...
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7415299 |
Monitoring method and/or apparatus
A method and apparatus for substance monitoring. One application is an easy to handle continuous glucose monitor using a group of hollow out-of-plane silicon microneedles to sample substances in...
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7390673 |
Method and device for identifying volatile substances in solution
The invention relates to a method for fluorimetrically or photometrically identifying gaseous substances or substances, which can be converted into a gaseous state, in samples. Decomposition...
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7384550 |
Glaucoma implant having MEMS filter module
Various MEMS filter elements or modules are disclosed, and which may be used in a glaucoma implant ( 490 ). One such MEMS filter module ( 34 ) includes a first film ( 70 ) and a second film ( 46 )...
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7384549 |
Method and apparatus for the filtration of biological solutions
A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process...
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7371325 |
Well for processing a fluid
A well ( 50 ) comprising a side wall ( 10 ), a sealing ring ( 40 ), a rib arrangement ( 5 ), and a filter ( 20 ), for use in processing a fluid, e.g., by microtitration or microfiltration, is...
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7371322 |
Filtration system and dynamic fluid separation method
A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes...
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7344576 |
Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids
Methods of separating fluids using capillary forces and/or improved conditions for are disclosed. The improved methods may include control of the ratio of gas and liquid Reynolds numbers relative...
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7316779 |
Filtration system and method for obtaining a cytology layer
A filter assembly for separating and collecting a layer of particulate matter (e.g., cells) from a liquid containing the particulate matter (e.g., a biological fluid specimen). The filter assembly...
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7303681 |
Dynamic membrane wafer assembly and method
A method for separating aromatic hydrocarbons from a feed stream. The method includes flowing the feed stream through a first channel within a first wafer assembly that may contain an underflow...
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7297269 |
Cross-flow filtration cassettes and methods for fabrication of same
This invention relates generally to filtration cassettes, and, more particularly to methods of fabricating cross-flow filtration cassettes. Cassettes of the invention are characterized, in part, by...
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7288195 |
Method and apparatus for directly sampling a fluid for microfiltration
A process for filtering a fluid is provided. The process includes providing a filtration cell having a filter membrane, a base configured to receive filtrate passing through the membrane, and a...
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7279215 |
Membrane modules and integrated membrane cassettes
The invention features integrated membrane assemblies for selectively transferring a constituent to or from a fluid. The assemblies include two or more flat sheet membrane elements and at least one...
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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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7226540 |
MEMS filter module
Various MEMS filter elements or modules are disclosed. One such MEMS filter module ( 34 ) includes a first film ( 70 ) and a second film ( 46 ) that are spaced and interconnected by a plurality of...
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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...
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7208079 |
Process for the treatment of waste oils
A process for the treatment of waste oil comprises the steps of (a) supplying a stream of the waste oil to a dehydrator to dehydrate the waste oil and obtain a stream of dehydrated waste oil; (b)...
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7189321 |
Fluid treatment module having hollow membranes
The invention relates to a hollow membrane ( 11 ) comprising two support layers arranged one above the other forming a space between them and a plurality of capillary tubes arranged between the...
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7189322 |
Charged membrane
The present invention provides a hydrophilic charged microporous membrane comprising a porous hydrophobic substrate and a coating comprising a charge-providing agent. The present invention further...
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7186331 |
Monitoring unit for monitoring the condition of a semi-permeable membrane
The invention concerns a monitoring unit [ 10 ] for monitoring the condition of a semi-permeable membrane [ 24 ] in a water purification system, and particularly the condition of spiral membrane in...
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7175762 |
Nanocarpets for trapping particulates, bacteria and spores
A nanofeature particulate trap comprising a plurality of densely packed nanofeatures, such as nanotubes, and a particulate detector incorporating the nanofeature particulate trap are provided. A...
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7156996 |
Multichamber microdialysis device
The invention is a multichamber microdialysis device with a multitude of sample chambers in close side by side arrangement (similar to a microtiter plate) for receiving liquid samples, and at least...
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7153424 |
Apparatus for purifying water
An apparatus for purifying water, that includes a frame, in connection with which is arranged a primary space for water to be filtered, secondary space for filtered water and a filter. The filter...
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7143900 |
Separation device and method of making the same
A separation device, such as a filter or separation line apparatus, and method of making the same.
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7141171 |
Membrane cascade-based separation
The present invention provides counter flow cascade separation systems useful to separate solute/solute pairs present in a solvent. The separation systems include a series of interconnected stages...
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7135117 |
Well for processing a fluid
A well ( 50 ) comprising a side wall ( 10 ), a sealing ring ( 40 ), a rib arrangement ( 5 ), and a filter ( 20 ), for use in processing a fluid, e.g., by microtitration or microfiltration, is...
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7135114 |
Filtration device
In a filtration device ( 1 ) comprising a pressure-resistant housing ( 2 ) with a liquid inlet opening ( 3 ) and an outlet opening ( 4 ) for filtered matter, into which a collecting channel ( 12 )...
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7132049 |
Negatively charged membrane
The present invention provides, in certain embodiments, a negatively charged microporous membrane comprising a porous substrate and a crosslinked coating having fixed negative charges. The...
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7125493 |
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
The present invention relates to the field of synthetic polymeric microfiltration membrane materials that are fabricated to separate liquids from solids contained therein. One aspect of the...
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7122121 |
Advanced submerged membrane modules, systems and processes
Advanced submerged membrane systems are provided. Said submerged membrane systems have multiple membrane modules comprising of strips of flat sheet membrane, bundles of self-support hollow fiber...
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7108791 |
High-resolution virus removal methodology and filtration capsule useful therefor
The present invention provides a high-resolution membrane-based method for removing a virus from a manufactured protein-containing solution, the method being particularly characterized by its...
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7105089 |
Liquid—liquid extraction system and method
A liquid-liquid extraction system including an outer chamber and an inner chamber. The outer chamber is adapted to contain one of a feed solution and a liquid extractant and defines a containment...
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7094346 |
Cross-flow filtration cassettes and methods for fabrication of same
This invention relates generally to filtration cassettes, and, more particularly to methods of fabricating cross-flow filtration cassettes. Cassettes of the invention are characterized, in part, by...
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7052603 |
Single-use manifold for automated, aseptic transfer of soulutions in bioprocessing applications
Presteralized manifolds are provided which are designed for sterile packaging and single-use approaches. Disposable tubing and flexible-wall containers are assembled via aseptic connectors. These...
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7037425 |
Mesoporous membrane collector and separator for airborne pathogen detection
A process and apparatus for the collection of biological materials from air. Collection and separation devices utilize a novel membrane structure formed from a functionalized inorganic mesoporous...
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7033499 |
Flexible disposable vessel
A disposable flexible vessel contains a septum, dividing a first chamber from a second chamber. By flowing a fluid through the septum, the fluid is treated as it moves from the first chamber to the...
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6998047 |
Cast membrane structures for sample preparation
A method for casting-in-place composite and/or non-filled structures which are useful as sorptive or reactive media or for size-based separations. Any particular housing size or configuration can...
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6986428 |
Fluid separation membrane module
The present invention includes a membrane construction for selectively transferring a constituent to or from a fluid. The membrane construction includes a multi-layer fluid impermeable support...
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6939515 |
Apparatuses and methods for creating and testing pre-formulations and systems for same
The invention provides methods, apparatus, and systems for performing high-throughput preparation and screening of salts and polymorphs of drug candidates. The invention is directed towards...
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