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| Number | Title | Issue Date |
| 8187441 | Electrochemical pump The invention provides electrochemically-based methods and devices for producing fluid flow and/or changes in fluid pressure. In the methods and devices of the invention, current passes through a divided electrochemical cell. Adjacent compartments of the cell are di... | 05/29/2012 |
| 8114259 | Method and system for providing potable water An electrically-driven separation apparatus can be used with a pressure-driven separation apparatus to provide potable water having a desired total dissolved solids (TDS). ... | 02/14/2012 |
| 8016993 | Electrostatic desalination and water purification An apparatus, system and method for desalination and purification of water where fresh water is extracted from salt water, leaving behind the higher salinity salt water. Salt water is bubbled, aerated, sprayed, or otherwise agitated to cause breaking bubbles along t... | 09/13/2011 |
| 7918980 | Electrocapturing flow cell A flow cell for electrophoretically-assisted capturing analytes from a flow. The flow cell includes a specimen chamber, a first membrane, a second membrane, a first electrode chamber, and a second electrode chamber. The specimen chamber may have a sample inlet and a... | 04/05/2011 |
| 7718047 | Electrochemical high pressure pump The invention provides electrochemically-based methods and devices for producing fluid flow and/or changes in fluid pressure. In the methods and devices of the invention, current is passed through a divided electrochemical cell. Adjacent compartments of the cell are... | 05/18/2010 |
| 7358487 | Ion gate An ion gate is disposed between a first volume occupied by a first carrier gas and ions of the first carrier gas and a second volume occupied by a second carrier gas. The ion gate includes at least one channel connecting the first volume to the second volume, a firs... | 04/15/2008 |
| 7323613 | Method and installation for the treatment of radioactive wastes The invention relates to a method and system for the treatment of radioactive wastes produced as a consequence of the operation of nuclear power plants with pressurized water reactors and boron reactivity regulation accompanied by the simultaneous production of envi... | 01/29/2008 |
| 7316769 | Length-dependent recoil separation of long molecules Separation of long molecules by length is obtained by forcing such molecules to traverse a boundary between a low free-energy region and a high free-energy region. In one embodiment, the high free-energy region is a dense pillar region or other structure formed on a... | 01/08/2008 |
| 7214301 | Filter or filter-element for modified electro-dialysis (MED) purposes Filter or filter-element designated for Modified Electro-Dialysis (MED) purposes characterized in that the filter or filter-element comprises a porous, ceramic, mainly uniform material with functional, preferably ion selective groups grafted onto the inner, porous s... | 05/08/2007 |
| 7214300 | Integrated electrokinetic devices and methods of manufacture Devices with electrokinetic elements are disclosed as well as their method of microfabrication for use in micro-scale analysis, mixture separation and reaction. The devices consist of solid hydrophilic-matrix films that have been microfabricated into a variety of mi... | 05/08/2007 |
| 7163624 | Electrostatic separator An electrostatic separator intended for separation of liquid phase systems, made up of mixtures of liquids of various electrical permittivity. In particular, the separator is intended for separation of an oil-and-water emulsion. The electrostatic separator contains ... | 01/16/2007 |
| 7144487 | Factor VIII separation The claims describe methods for isolating functionally active Factor VIII using a membrane-based separation system containing a separation membrane to create a first and second interstitial volume between at least two restriction membranes. One or more stabilizing a... | 12/05/2006 |
| 7135102 | Method and system for dewatering particulate materials A system and method for dewatering particulate materials employs an improved dewatering probe generally including a single non-conducting pipe having a plurality of holes or slots, an anode mounted on the pipe adjacent one end of the pipe, and a cathode mounted on t... | 11/14/2006 |
| 7108772 | Device and process for electrodialysis of ultrafiltration premeate of electrocoat paint An electrodialysis cell (40) suitable for removal of paint solubilizer from electrocoat paint ultrafilter permeate includes a tubular, non-conductive housing (42), a substantially cylindrical, hollow object electrode (48) in the housing, a subst... | 09/19/2006 |
| RE39293 | Separation of plasma components A method for separating components from plasma, the method comprising (I) separating the plasma into a first and second component, the first component comprising an albumin/α-1-antirypsin pool and the second component comprising plasma containing components having ... | 09/19/2006 |
| 7077962 | Method and apparatus for parallel desalting Parallel desalting (PDS) includes a hybrid membrane softening (MS) system for de-mineralizing water for residential and commercial use. Parallel desalting produces “soft” water without the use of salt, or any other liquid chemical reagent normally used to carry ... | 07/18/2006 |
| 7077942 | Removal of biological contaminants A method of removing a biological contaminant from a mixture containing a biomolecule and the biological contaminant, the method comprising: (a) placing the biomolecule and contaminant mixture in a first solvent stream, the first solvent stream being separated from ... | 07/18/2006 |
| 7066900 | Removal of metabolic components from blood An electrophoresis system for removing or reducing concentration of a metabolic component from blood or plasma of a subject is provided. A method for removing or reducing concentration or amount of a metabolic component in blood or plasma of a subject is also provid... | 06/27/2006 |
| 7060173 | Removal of biological contaminants A method of removing a biological contaminant from a mixture containing a biomolecule and the biological contaminant, the method comprising: (a) placing the biomolecule and contaminant mixture in a first solvent stream, the first solvent stream being separated from ... | 06/13/2006 |
| 7033473 | Method and apparatus for combined magnetophoretic and dielectrophoretic manipulation of analyte mixtures Methods and apparatuses for discriminating matter utilizing dielectrophoresis combined with magnetophoresis. A sample having one or more constituents is injected into an inlet port of a chamber. A carrier medium flow is initiated at the inlet port to establish a flo... | 04/25/2006 |
| 7008534 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/07/2006 |
| 6991715 | Prion diagnostic test The claims provide for detecting prions in a sample by (a) subjecting a sample to membrane-based electrophoresis to separate and/or concentrate at least some prions present in the sample; and (b) detecting and or identifying the presence of the separated and/or conc... | 01/31/2006 |
| 6977033 | Method and apparatus for programmable fluidic processing A method and apparatus for microfluidic processing by programmably manipulating a packet. A material is introduced onto a reaction surface and compartmentalized to form a packet. A position of the packet is sensed with a position sensor. A programmable manipulation ... | 12/20/2005 |
| 6974671 | Methods for indentifying compounds that modulate gluconeogenesis through the binding of CREB to the PGC-1 promoter In accordance with the present invention, it has been discovered that CREB regulates hepatic gluconeogenesis via the co-activator, PGC-1. PGC-1 potentiated glucocorticoid induction of the gene for PEPCK, the rate limiting enzyme in gluconeogenesis, via the glucocort... | 12/13/2005 |
| 6974071 | Inclined solder wave methodology for wave soldering double sided pin-in-hole electronic components An apparatus for applying solder to an electronic circuit board substrate includes a solder wave device for generating a molten wave of solder and, above that, a movable substrate holder. The substrate holder includes a support for an electronic circuit board substr... | 12/13/2005 |
| 6969453 | Small separation apparatus An electrophoresis apparatus for processing compounds in small sample volumes comprising a cathode in a static cathode buffer zone or compartment, an anode in a static anode buffer zone or compartment. The cathode disposed relative to the anode so as to be adapted t... | 11/29/2005 |
| 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 enhancing the pre-formulation discovery process used for drug development. I... | 09/06/2005 |
| 6863833 | Microfabricated apertures for supporting bilayer lipid membranes The invention provides microfabricated silicon substrates and devices having extremely small apertures (termed “nanoapertures”) and methods for producing such nanoapertures. The devices have a nanoaperture (which may have a diameter ranging from about a few mill... | 03/08/2005 |
| 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 being separated form a second solvent stream by an electrophoretic m... | 02/15/2005 |
| 6824740 | Apparatus for active biological sample preparation Systems and methods for the electronic sample preparation of biological materials utilize the differential charge-to-mass ratio and/or the differential affinity of sample constituents to separation materials for sample preparation. An integrated system is provided f... | 11/30/2004 |
| 6814865 | Ion exchange membranes, methods and processes for production thereof and uses in specific applications The invention includes novel anion exchange membranes formed by in situ polymerization of at least one monomer, polymer or copolymer on a woven support membrane and their methods of formation. The woven support membrane is preferably a woven PVC membrane. The invent... | 11/09/2004 |
| 6746594 | Miniature support for thin films containing single channels or nanopores and methods for using the same Single-channel thin film devices and methods for using the same are provided. The subject devices comprise cis and trans chambers connected by an electrical communication means. At the cis end of the electrical communication means is a horizontal conical aperture se... | 06/08/2004 |
| 6712946 | Electrodialysis of multivalent metal salts A method for electrodialysis is conducted in a multi-compartment, preferably a four compartment, electrodialysis cell configuration wherein an inexpensive source of protons, preferably from a strong inorganic acid enables the conversion of multivalent metal salts in... | 03/30/2004 |
| 6685809 | Methods for forming small-volume electrical contacts and material manipulations with fluidic microchannels A microfabricated device employing a bridging membrane and methods for electrokinetic transport of a liquid phase biological or chemical material using the same are described. The bridging membrane is deployed in or adjacent to a microchannel and permits ... | 02/03/2004 |
| 6660150 | Separation of micromolecules An apparatus and method for the separation of molecules having a molecular mass from about 200 to 5000 Da, particularly micromolecules having a molecular mass of less than 5000 Dalton. The apparatus contains an anode, a cathode disposed between the anode a... | 12/09/2003 |
| 6638408 | Method and device for separation of charged molecules by solution isoelectric focusing The invention provides a novel solution isoelectric focusing device and method that can reproducibly fractionate charged molecules into well-defined pools. This approach can be applied to mixtures of charged molecules, such as eukaryotic proteome samples ... | 10/28/2003 |
| 6607624 | Fiber-forming process A new fiber-forming method, and related apparatus, are taught in which extruded filaments of fiber-forming material are directed through a processing chamber that is defined by two parallel walls, at least one of which is instantaneously movable toward an... | 08/19/2003 |
| 6605203 | Electrode apparatus There is disclosed an electrode apparatus, which comprises an electrode (1) composed of a conductor through which perforations (2) are formed from a surface to a backing surface, wherein when the conductor is maintained at an electric potential sufficient... | 08/12/2003 |
| 6569301 | Cation exchange membrane selectively permeable to monovalent cations and method for its production The present invention provides a cation exchange membrane which has excellent durability, a high limiting current density, a low direct current membrane resistance and excellent selectivity to monovalent cations. In the present invention, a cation exchang... | 05/27/2003 |
| 6541228 | Electrodialysis methods for purification and recovery of gluconic acid derivatives A process for purifying and concentrating a gluconic acid derivative, such as 2-keto-L-gulonic acid, comprising introducing a non-viable and/or acidified fermentation medium or an in-vitro reactor medium comprising at least the gluconic acid derivative an... | 04/01/2003 |
